CN105095232B - A kind of information processing method and electronic equipment - Google Patents
A kind of information processing method and electronic equipment Download PDFInfo
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Abstract
This application discloses a kind of information processing methods, are applied in electronic equipment, which comprises when the electronic equipment receives a signal, the signal are divided into N number of block, N is the integer more than or equal to 2；The feature power value for extracting each block in N number of block obtains N number of feature power value altogether；Based on N number of feature power value, the average power content of the signal is obtained.Disclosed herein as well is corresponding electronic equipments.
Description
Technical field
This application involves technical field of information processing more particularly to a kind of information processing methods and electronic equipment.
Background technique
With the development of the information processing technology, various communication systems occur in people's lives.Such as: it is wired
Communication system, wireless communication system etc..Terminal device in usual communication system has variable power consumption, power consumption
The equipment for depending primarily on the application program run on the terminal device and being connect with the terminal device.
Under a kind of use state of the terminal device, which can run in the state of relative free, or hold
The some simple tasks of row, such as word processing.Under another use state, which can be performed multiple synchronization task, such as regard
Frequency coding, imprinting disc play game, even other USB device power supplies.Due between the various use states of terminal device
Switching is rapid and continuous, therefore terminal device can constitute burst streaming communication system.
In the prior art, the method for calculating the mean power of burst flow terminal in communication system equipment is: assuming that terminal is set
The standby signal received is S, and the length of signal is M.Indicate to receive the mean power of signal with power, then:
Power=10*log10 (sum (S (i) * S'(i))/M), wherein S' indicates to receive the conjugation of signal, S (i) table
Show that the ith sample point of signal S, sum () indicate summation；
Or power=20*log10 (sum (abs (S (i)))/M), wherein abs () indicates absolute value；
Or power=10*log10 (sum (real (S (i)) .^2+imag (S (i)) .^2)/M), wherein real () is indicated
Real part is taken, imag () expression takes imaginary part；Or
Power=20*log10 (max (real (S (i)), imag (S (i)))+min (real (S (i)), imag (S
(i)))/M), wherein max () expression is maximized, and min () expression is minimized.
But during the application applicant applies for technical solution in realizing the embodiment of the present application, find above-mentioned technology extremely
It has the following technical problems less:
In the prior art, the operand that the method for calculating the mean power of burst flow terminal in communication system equipment is related to
Greatly, delay is big, and the burst streaming communication system for not being suitable for high speed is realized.
Therefore, skill existing for the method for the mean power in the prior art for calculating burst flow terminal in communication system equipment
Art problem is: operand is big, and delay is big, and the burst streaming communication system for not being suitable for high speed is realized.
Summary of the invention
The embodiment of the present application solves calculating in the prior art by providing a kind of information processing method and electronic equipment
The method of the mean power of burst flow terminal in communication system equipment is: operand is big, and delay is big, uncomfortable
Burst streaming communication system for high speed is realized.Provide a kind of mean power that operand is small calculating method.
On the one hand, the embodiment of the present application provides a kind of information processing method, is applied in electronic equipment, the method packet
It includes:
When the electronic equipment receives a signal, the signal is divided into N number of block, N is more than or equal to 2
Integer；
The feature power value for extracting each block in N number of block obtains N number of feature power value altogether；
Based on N number of feature power value, the average power content of the signal is obtained.
It is optionally, described that the signal is divided into N number of block, specifically:
The signal is divided into N number of block with same predetermined length；Or
The signal is divided into the mutually different N number of block of length.
It is optionally, described that the signal is divided into N number of block, specifically:
According to pre-defined rule, the signal is divided into N number of block, the pre-defined rule are as follows: the signal
The length of sampling parameter or the corresponding data packet of the signal.
Optionally, the feature power value for extracting each block in N number of block, specifically:
The maximum power value of each block in N number of block is extracted as the feature power value；Or
The minimal power values of each block in N number of block are extracted as the feature power value；Or
Any performance number of each block in N number of block is extracted as the feature power value.
Optionally, described to be based on N number of feature power value, the average power content of the signal is obtained, is specifically included:
Based on N number of feature power value, the total power value of the signal is obtained；
The total power value is averaging processing, the average power content is obtained.
On the other hand, the embodiment of the present application provides a kind of electronic equipment, comprising:
Division unit, for when the electronic equipment receives a signal, the signal to be divided into N number of block, N
For the integer more than or equal to 2；
Extraction unit obtains N number of feature for extracting the feature power value of each block in N number of block altogether
Performance number；
Computing unit obtains the average power content of the signal for being based on N number of feature power value.
Optionally, the division unit is specifically used for:
The signal is divided into N number of block with same predetermined length；Or
The signal is divided into the mutually different N number of block of length.
Optionally, the division unit is specifically used for:
According to pre-defined rule, the signal is divided into N number of block, the pre-defined rule are as follows: the signal
The length of sampling parameter or the corresponding data packet of the signal.
Optionally, the extraction unit is specifically used for:
The maximum power value of each block in N number of block is extracted as the feature power value；Or
The minimal power values of each block in N number of block are extracted as the feature power value；Or
Any performance number of each block in N number of block is extracted as the feature power value.
Optionally, the averaging unit specifically includes:
First computing unit obtains the total power value of the signal for being based on N number of feature power value；
Second computing unit obtains the average power content for the total power value to be averaging processing.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
1, in the embodiment of the present application, due to using when the electronic equipment receives a signal, first by the letter
Number it is divided into N number of block, then extracts the feature power value of each block in N number of block, obtain N number of feature altogether
Performance number is finally based on N number of feature power value, obtains the technological means of the average power content of the signal, utilize electronics
The feature power value that multiple blocks that the signal that equipment receives includes have, calculates the average power content of the signal, compares
Operand is big in the prior art, the method for the big mean power that is delayed, and the embodiment of the present application provides a kind of small flat of operand
Equal power calculation algorithms.
2, in the embodiment of the present application, due to using sampling parameter or the letter according to electronic equipment received signal
The signal, is divided into the technological means of N number of block by the length of number corresponding data packet, uses various ways pair
Electronic equipment received signal is divided, and the mode of a variety of division signals is provided.
3, in the embodiment of the present application, due to extracting each signal in N number of block that electronic equipment received signal includes
The feature power value of block, specifically: the maximum power value of each block in N number of block is extracted as the feature function
Rate value；Or the minimal power values of each block in N number of block are extracted as the feature power value；Or described in extracting
Technological means of any performance number of each block as the feature power value in N number of block, so block is appointed
One performance number can be used as the feature power value, and the feature power value of block is extracted using various ways, is provided
A variety of modes for extracting feature power value.
4, in the embodiment of the present application, due to using in the N number of block for including based on the signal that electronic equipment receives
The feature power value of each block, obtains the total power value of the signal, and then the total power value is averaging processing,
The technological means for obtaining the average power content of the signal, during specific implementation, above-mentioned two step can use hardware meter
Unit is calculated to realize, compared with the prior art in be related to compared to the prior art multiple multiply-add operation mean power method, it is existing
The method for having technology to provide is not suitable for hardware realization, and mean power provided by the embodiments of the present application calculates method and largely reduces
Multiply-add operation provides a kind of suitable for hard-wired mean power calculating method.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of application for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of flow chart of information processing method in the embodiment of the present application one；
Fig. 2 is a kind of specific flow chart of step 3 in information processing method in the embodiment of the present application one；
Fig. 3 is the module map of a kind of electronic equipment in the embodiment of the present application two.
Specific embodiment
For the purposes, technical schemes and advantages of the application are more clearly understood, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
It is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.?
In the case where not conflicting, the features in the embodiments and the embodiments of the present application can mutual any combination.In the process of attached drawing
The step of illustrating can execute in a computer system such as a set of computer executable instructions.Although also, in process
Logical order is shown in figure, but in some cases, it can be to be different from shown or described by sequence execution herein
Step.
The embodiment of the present application solves calculating in the prior art by providing a kind of information processing method and electronic equipment
The method of the mean power of burst flow terminal in communication system equipment is: operand is big, and delay is big, uncomfortable
Burst streaming communication system for high speed is realized.Provide a kind of mean power that operand is small calculating method.
Technical solution in the embodiment of the present application is in order to solve the above technical problems, general thought is as follows:
A kind of information processing method is provided, is applied in electronic equipment, which comprises when the electronic equipment receives
When to a signal, the signal is divided into N number of block, N is the integer more than or equal to 2；It extracts every in N number of block
The feature power value of a block obtains N number of feature power value altogether；Based on N number of feature power value, the signal is obtained
Average power content.
The feature power value having using multiple blocks that the signal that electronic equipment receives includes, calculates the signal
Average power content, operand is big compared to the prior art, and the method for the big mean power that is delayed, the embodiment of the present application provides one
The small mean power of kind operand calculates method.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
Technical solution is stated to be described in detail.It should be understood that the specific features in the application and embodiment are to present techniques side
The detailed description of case, rather than the restriction to the application, in the absence of conflict, in the embodiment of the present application and embodiment
Technical characteristic can be combined with each other.
Embodiment one
The embodiment of the present application provides a kind of information processing method, is applied in electronic equipment, and the electronic equipment can be with
Personal computer, tablet computer, smart phone, smart television etc., the application to this with no restriction.The electronic equipment and one
Base station or other electronic equipments and the channel for being used for transmission signal constitute communication system.Due to electronic equipment power consumption with
The use demand of user is related, so the power consumption of electronic equipment is variable, thus electronic equipment constitutes burst circulation
Letter system.Method provided by the embodiments of the present application is applied in the electronic equipment for constituting burst streaming communication system.
As shown in Figure 1, information processing method provided by the embodiments of the present application includes:
Step 1: when the electronic equipment receives a signal, the signal is divided into N number of block, N be greater than
Integer equal to 2；
Step 2: extracting the feature power value of each block in N number of block, obtain N number of feature power value altogether；
Step 3: being based on N number of feature power value, obtain the average power content of the signal.
In the embodiment of the present application, the specific implementation of step 1 is: according to pre-defined rule, the signal being divided into institute
State N number of block, wherein the pre-defined rule are as follows: the length of the sampling parameter of the signal or the corresponding data packet of the signal
Degree, and the signal can be divided into N number of block with same predetermined length；Or the signal can be divided and be grown up
Spend mutually different N number of block.
After electronic equipment sends the request of request burst flow data packet, base station or other electronic equipments can receive this and ask
It asks, and corresponding data packet is sent to electronic equipment.After electronic equipment receives the data packet, due to including in data packet
The signal of certain length first has to divide the signal, which is divided into calculate the mean power of the signal
N number of block.Wherein, the specific value of N precision determination according to required for calculating mean power, if necessary to precision
The value of height, N can be relatively larger, i.e., the signal is divided into more multiple blocks.It is low if necessary to precision, the value of N
Can be relatively smaller, i.e., the signal is divided into less a block.Certainly, the value of N also influences the size of operand,
The value of N is big, and operand is accordingly big, and the value of N is small, and operand is accordingly small, and how the value of specific N is arranged, and the application is not done
Any restriction.
During dividing to the signal, which can be divided into N number of letter according to the sampling parameter of signal
Number block, such as: for the signal during being converted from analog into digital signal, sampling number is to sample 10 every 1 second
Point, then can be using signal length corresponding to 10 points as a block.It can also be by the signal according to the signal pair
The length for the data packet answered is divided into N number of block, such as: the length of the corresponding data packet of the signal is 100 bytes, then can be with
The signal is divided into 100 blocks, which can also be divided into 50 blocks.
Another example is: sampling rate 3.52G/s, i.e. sampling number are every 1 second in a high-speed burst streaming communication system
Sample 3.52 hundred million sampling points, it is assumed that the length of data sequence is 168, and sample rate is using 2 samplings, and a corresponding sequence is adopted
Sampling point number is exactly 336, then every 336 sampling points of 3.52 hundred million sampling points can be divided into a block.
It is only to the division mode of signal herein for example, actually all can be divided into signal more than or equal to 2
The division mode of a block is just not listed one by one herein all within the scope of the application.
In the embodiment of the present application, what electronic equipment received is not necessarily data information, it is also possible to noise information, because electric
For sub- equipment when power calculates, whether this unknown sampling number information corresponds to valid data information.And electronic equipment
Specific start position information is not known, it is assumed that the length of data sequence is 168, then the sequence that length is 168 is to repeat to send out yet
It send, does not influence power calculation.
During the signal is divided into N number of block, N number of block can have same predetermined length, such as 1 word
Section, predetermined length can be set by user's sets itself or electronic equipment, and N number of block can also be different with length, and such as one
The length of a block is 1 byte, and the length of another block is 2 bytes.The length of specific each block, can be according to need
Sets itself or division are wanted, the application does not do any restriction.
1 is being executed the step, after obtaining N number of block, information processing method provided by the embodiments of the present application is carried out step
Rapid 2.Step 2 specifically has following several implementations:
The first implementation: the maximum power value of each block in N number of block is extracted as the feature
Performance number；
Second of implementation: the minimal power values of each block in N number of block are extracted as the feature
Performance number；
The third implementation: any performance number of each block in N number of block is extracted as the feature
Performance number.
It elaborates below to step 2.
For each of N number of block block, includes multiple subsignals in each block, specifically include
How many a subsignals, the length depending on the block.The feature power value of each block in N number of block is extracted, specifically
Following steps can be executed to each block:
Obtain the sub- performance number for the multiple subsignals for including in each block；
Multiple sub- performance numbers are compared, obtain the maximum power value in multiple subsignal performance numbers as the block
Maximum power value, the feature power value as the block；
Multiple sub- performance numbers are compared, obtain the minimal power values in multiple subsignal performance numbers as the block
Minimal power values, the feature power value as the block；
Using any performance number in multiple sub- performance numbers as the feature power value of the block.
Finally, can be using the maximum power value of block each in N number of block as N number of feature power value, it can also be with
Using the minimal power values of block each in N number of block as N number of feature power value, or by signal each in N number of block
Any performance number of block as N number of feature power value, can also by the maximum power value of block a part of in N number of block,
The minimal power values of a part of block and any performance number of a part of block are as N number of feature power value.Specific implementation
It in the process, can be by the maximum power value of block in N number of block, the minimal power values of block and any of block
Any combination of performance number three does not do any restriction as N number of feature power value, the application.
During specific implementation, also have greater than 0 less than 0 since the performance number of subsignal has, so the application is implemented
It needs to carry out absolute value operation in example, that is, takes the absolute value of the performance number of subsignal.In addition, due to by the function of multiple subsignals
Rate value is compared, and maximum value or minimum value is obtained, so needing to be compared operation in the embodiment of the present application.When using hardware
When realization, the device for obtaining absolute value and comparator can be used.
2 are being executed the step, after obtaining N number of feature power value, information processing method provided by the embodiments of the present application is just held
Row step 3.As shown in Fig. 2, step 3 specifically includes the following steps:
Step 31: being based on N number of feature power value, obtain the total power value of the signal；
Step 32: the total power value being averaging processing, the average power content is obtained.
It elaborates below to step 3.
After obtaining N number of feature power value, N number of performance number is added, so that it may obtain the total power value P of signal.When
When using hardware realization, adder can be used.
Then, total power value P is averaging processing, obtains the average power content power of signal, when using hardware realization
When, shifting function can be carried out, divider or shift unit are used.
When the unit of average power content power is watt-hour, following formula is utilized:
When the unit of average power content power is decibel, following formula is utilized:
It therefore,, first will be described due to using when the electronic equipment receives a signal in the embodiment of the present application
Signal is divided into N number of block, then extracts the feature power value of each block in N number of block, obtains N number of spy altogether
Performance number is levied, N number of feature power value is finally based on, obtains the technological means of the average power content of the signal, utilize electricity
The feature power value that multiple blocks that the signal that sub- equipment receives includes have, calculates the average power content of the signal, phase
Operand is big than in the prior art, and the method for the big mean power that is delayed, it is small that the embodiment of the present application provides a kind of operand
Mean power calculates method.
Embodiment two
Based on the same inventive concept, additionally provide a kind of electronic equipment in the embodiment of the present application, due to the electronic equipment with
The principle that above- mentioned information processing method solves the problems, such as is similar to information processing method, therefore the implementation of the electronic equipment may refer to
The implementation of method, overlaps will not be repeated.
As shown in figure 3, the embodiment of the present application provides a kind of electronic equipment, comprising:
Division unit 10, for when the electronic equipment receives a signal, the signal to be divided into N number of signal
Block, N are the integer more than or equal to 2；
Extraction unit 20 obtains N number of spy for extracting the feature power value of each block in N number of block altogether
Levy performance number；
Computing unit 30 obtains the average power content of the signal for being based on N number of feature power value.
Optionally, the division unit is specifically used for:
The signal is divided into N number of block with same predetermined length；Or
The signal is divided into the mutually different N number of block of length.
Optionally, the division unit is specifically used for:
According to pre-defined rule, the signal is divided into N number of block, the pre-defined rule are as follows: the signal
The length of sampling parameter or the corresponding data packet of the signal.
Optionally, the extraction unit is specifically used for:
The maximum power value of each block in N number of block is extracted as the feature power value；Or
The minimal power values of each block in N number of block are extracted as the feature power value；Or
Any performance number of each block in N number of block is extracted as the feature power value.
During specific implementation, the performance number for the subsignal for including due to each block has and also has greater than 0 less than 0
, so needing to carry out absolute value operation in the embodiment of the present application, that is, take the absolute value of the performance number of subsignal.In addition, due to
The performance number of multiple subsignals is compared, maximum value or minimum value are obtained, so needing to carry out in the embodiment of the present application
Compare operation.When using hardware realization, the device for obtaining absolute value and comparator can be used.
Optionally, the averaging unit specifically includes:
First computing unit that is, will be N number of for obtaining the total power value of the signal based on N number of feature power value
Performance number is added, so that it may obtain the total power value P of signal.When using hardware realization, adder can be used.
Second computing unit obtains the average power content for the total power value to be averaging processing.Work as use
When hardware realization, shifting function can be carried out, divider or shift unit are used.
The one or more technical solutions provided in above-mentioned application embodiment, have at least the following technical effects or advantages:
1, in the embodiment of the present application, due to using when the electronic equipment receives a signal, first by the letter
Number it is divided into N number of block, then extracts the feature power value of each block in N number of block, obtain N number of feature altogether
Performance number is finally based on N number of feature power value, obtains the technological means of the average power content of the signal, utilize electronics
The feature power value that multiple blocks that the signal that equipment receives includes have, calculates the average power content of the signal, compares
Operand is big in the prior art, the method for the big mean power that is delayed, and the embodiment of the present application provides a kind of small flat of operand
Equal power calculation algorithms.
2, in the embodiment of the present application, due to using sampling parameter or the letter according to electronic equipment received signal
The signal, is divided into the technological means of N number of block by the length of number corresponding data packet, uses various ways pair
Electronic equipment received signal is divided, and the mode of a variety of division signals is provided.
3, in the embodiment of the present application, due to extracting each signal in N number of block that electronic equipment received signal includes
The feature power value of block, specifically: the maximum power value of each block in N number of block is extracted as the feature function
Rate value；Or the minimal power values of each block in N number of block are extracted as the feature power value；Or described in extracting
Technological means of any performance number of each block as the feature power value in N number of block, so block is appointed
One performance number can be used as the feature power value, and the feature power value of block is extracted using various ways, is provided
A variety of modes for extracting feature power value.
4, in the embodiment of the present application, due to using in the N number of block for including based on the signal that electronic equipment receives
The feature power value of each block, obtains the total power value of the signal, and then the total power value is averaging processing,
The technological means for obtaining the average power content of the signal, during specific implementation, above-mentioned two step can use hardware meter
Unit is calculated to realize, compared with the prior art in be related to compared to the prior art multiple multiply-add operation mean power method, it is existing
The method for having technology to provide is not suitable for hardware realization, and mean power provided by the embodiments of the present application calculates method and largely reduces
Multiply-add operation provides a kind of suitable for hard-wired mean power calculating method.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Specifically, one of the embodiment of the present application information processing method is applied in electronic equipment, the method pair
The computer program instructions answered can be stored in CD, hard disk, on the storage mediums such as USB flash disk, when in storage medium with one kind
The corresponding computer program instructions of information processing method are read or are performed by an electronic equipment, include the following steps:
When the electronic equipment receives a signal, the signal is divided into N number of block, N is more than or equal to 2
Integer；
The feature power value for extracting each block in N number of block obtains N number of feature power value altogether；
Based on N number of feature power value, the average power content of the signal is obtained.
Optionally, the signal store in the storage medium and step: is divided into N number of block, corresponding meter
Calculation machine instructs during being specifically performed, specially following steps:
The signal is divided into N number of block with same predetermined length；Or
The signal is divided into the mutually different N number of block of length.
Optionally, the signal store in the storage medium and step: is divided into N number of block, corresponding meter
The instruction of calculation machine specifically comprises the following steps: during being specifically performed
According to pre-defined rule, the signal is divided into N number of block, the pre-defined rule are as follows: the signal
The length of sampling parameter or the corresponding data packet of the signal.
Optionally, store in the storage medium and step: the feature of each block in N number of block is extracted
Performance number, corresponding computer instruction is during being specifically performed, specially following steps:
The maximum power value of each block in N number of block is extracted as the feature power value；Or
The minimal power values of each block in N number of block are extracted as the feature power value；Or
Any performance number of each block in N number of block is extracted as the feature power value.
Optionally, stored in the storage medium and step: it is based on N number of feature power value, obtains the signal
Average power content, corresponding computer instruction specifically be performed during, specifically comprise the following steps:
Based on N number of feature power value, the total power value of the signal is obtained；
The total power value is averaging processing, the average power content is obtained.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (8)
1. a kind of information processing method is applied in electronic equipment, which comprises
When the electronic equipment receives a signal, the signal is divided into N number of block, N is whole more than or equal to 2
Number；
The feature power value for extracting each block in N number of block obtains N number of feature power value altogether；
Based on N number of feature power value, the average power content of the signal is obtained；
It is wherein described that the signal is divided into N number of block, specifically:
According to pre-defined rule, the signal is divided into N number of block, the pre-defined rule are as follows: the sampling of the signal
The length of parameter or the corresponding data packet of the signal.
2. the method as described in claim 1, which is characterized in that it is described that the signal is divided into N number of block, specifically:
The signal is divided into N number of block with same predetermined length；Or
The signal is divided into the mutually different N number of block of length.
3. the method as described in claim 1, which is characterized in that the spy for extracting each block in N number of block
Performance number is levied, specifically:
The maximum power value of each block in N number of block is extracted as the feature power value；Or
The minimal power values of each block in N number of block are extracted as the feature power value；Or
Any performance number of each block in N number of block is extracted as the feature power value.
4. method as claimed in claim 1 or 3, which is characterized in that it is described to be based on N number of feature power value, described in acquisition
The average power content of signal, specifically includes:
Based on N number of feature power value, the total power value of the signal is obtained；
The total power value is averaging processing, the average power content is obtained.
5. a kind of electronic equipment, comprising:
Division unit, for the signal being divided into N number of block, N is big when the electronic equipment receives a signal
In the integer for being equal to 2；
Extraction unit obtains N number of feature power for extracting the feature power value of each block in N number of block altogether
Value；
Computing unit obtains the average power content of the signal for being based on N number of feature power value；
Wherein the division unit is specifically used for:
According to pre-defined rule, the signal is divided into N number of block, the pre-defined rule are as follows: the sampling of the signal
The length of parameter or the corresponding data packet of the signal.
6. electronic equipment as claimed in claim 5, which is characterized in that the division unit is specifically used for:
The signal is divided into N number of block with same predetermined length；Or
The signal is divided into the mutually different N number of block of length.
7. electronic equipment as claimed in claim 5, which is characterized in that the extraction unit is specifically used for:
The maximum power value of each block in N number of block is extracted as the feature power value；Or
The minimal power values of each block in N number of block are extracted as the feature power value；Or
Any performance number of each block in N number of block is extracted as the feature power value.
8. electronic equipment as described in claim 5 or 7, which is characterized in that the averaging unit specifically includes:
First computing unit obtains the total power value of the signal for being based on N number of feature power value；
Second computing unit obtains the average power content for the total power value to be averaging processing.
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| JP3407711B2 (en) * | 2000-04-27 | 2003-05-19 | 日本電気株式会社 | Path search circuit in DS-CDMA receiver |
| JP3973929B2 (en) * | 2002-03-05 | 2007-09-12 | 松下電器産業株式会社 | Howling detection device |
| KR100703203B1 (en) * | 2005-10-26 | 2007-04-06 | 삼성전기주식회사 | Code Detection Apparatus and Method for Direct Sequence Spread Spectrum Signals |
| CN101075845B (en) * | 2006-05-15 | 2010-10-13 | 大唐移动通信设备有限公司 | Method and apparatus for realizing down synchronization in first search of area |
| CN101635937B (en) * | 2009-08-19 | 2011-12-28 | 清华大学 | Idle frequency band detector applied to UHF frequency band |
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