CN204065179U - Multi-channel signal generation device - Google Patents
Multi-channel signal generation device Download PDFInfo
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- CN204065179U CN204065179U CN201420468403.4U CN201420468403U CN204065179U CN 204065179 U CN204065179 U CN 204065179U CN 201420468403 U CN201420468403 U CN 201420468403U CN 204065179 U CN204065179 U CN 204065179U
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Abstract
The utility model discloses a kind of multi-channel signal generation device, comprise: waveform generating module, for producing the discrete sample sequence with time correlation according to the type of input signal, and produce multiple discrete sample sequence when the signal inputted is multi channel signals simultaneously; Wave form output module, for being converted into physical signalling by the digital signal of input or discrete sample sequence through digital-to-analog conversion device; Channel layout modular converter, makes hyperchannel original signal convert the multi channel signals with another kind of channel form to after carrying out channel layout conversion to a kind of hyperchannel original signal; Channel layout modular converter is connected with at least one in waveform generating module and wave form output module.The beneficial effects of the utility model are: the correctness of the data that convenient test collecting device exports and accuracy, improve the availability of equipment use, promotes work efficiency, reduces human cost.
Description
Technical field
The utility model relates to the digital signal generator in signal processing technology, particularly relates to the multi-channel signal generation device that a kind of many barss from a class channel layout generate another kind of channel layout.
Background technology
Signal generator refers to the instrument of the electric test signal producing desired parameters.Along with the fast development of IT technology, signal generator no longer merely produces basic functional expression signal (as signals such as sine, triangle, pulses), user can also be allowed to import by the Wave data of the pre-recorded preservation of a certain signal pickup assembly, and such signal generator can send random waveform.Particularly there is field at low frequency signal, signal generator carries mass storage, and can prestore various complicated wave form data, the waveform sample data that should be sent by the acquisition a certain moment of tabling look-up, through D/A converting circuit, numeral sample is changed into simulating signal.
But existing signal generator all can only export the signal of one or more passage simply, between passage and onrelevant.At some application scenarios, signal collecting device needs the multiple channel signals collected, through certain rule, by the process of mimic channel or digital operation unit, convert the multi channel signals of another kind of channel form to, in the signal of this form, the signal of certain passage is all relevant with one or more passages of original signal, and the signal of this form is only required for user, and final preservation warehouse-in is also this signal.Such as ECG detecting field, standard 12 leads the voltage that electrocardiograph gathers 9 passages in human body 10 positions, by placement rule of leading, finally change and present to the electrocardiosignal of user 12 passage, the ecg database of each large authority also includes the signal data after this conversion.Existing Multi-channel signal generator can not signal data after this conversion of Direct Recognition, can only on PC first its reverse transformation to original channel data, be then loaded into signal generator and directly export by it.
Utility model content
Technical problem to be solved in the utility model is: can not the problem of signal after Direct Recognition Channel-shifted for signal generator of the prior art, a kind of multi-channel signal generation device is provided, signal generator signal is exported more flexible, cross-couplings can be set between passage and export.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of multi-channel signal generation device, comprising:
Waveform generating module, for producing the discrete sample sequence with time correlation according to the signal of input, and produces multiple discrete sample sequence when the signal inputted is multi channel signals simultaneously;
Wave form output module, for being converted into physical signalling by the digital signal of input or discrete sample sequence through digital-to-analog conversion device;
Channel layout modular converter, makes described hyperchannel original signal convert the multi channel signals with another kind of channel form to after carrying out channel layout conversion to a kind of hyperchannel original signal;
Described channel layout modular converter is connected with at least one in described waveform generating module and described wave form output module.
The beneficial effects of the utility model are: carry out the various data of Direct Recognition by arranging channel layout modular converter, the original signal that collecting device needs is exported after reverse transformation, the correctness of convenient this collecting device of test and accuracy, solve prior art and carry out the comparatively troublesome problem of two times transfer, improve the availability of equipment use, tester uses and becomes more simple and facilitate, thus improves work efficiency, reduces human cost; In addition, channel layout modular converter makes the output policy of signal more flexible, and user's dynamic specifies the coupling scheme of each channel signal to export complicated multi channel signals flexibly.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the multi-channel signal generation device of the utility model embodiment one.
Fig. 2 is the structured flowchart of the multi-channel signal generation device of the utility model embodiment two.
Fig. 3 is the structured flowchart of the multi-channel signal generation device of the utility model embodiment three.
Fig. 4 is the logic diagram of the multi-channel signal generation device of the utility model embodiment four.
Fig. 5 is the logic diagram of the multi-channel signal generation device of the utility model embodiment six.
Label declaration:
10, waveform generating module; 20, wave form output module; 30, channel layout modular converter.
Embodiment
By describing technology contents of the present utility model in detail, realized object and effect, accompanying drawing is coordinated to be explained in detail below in conjunction with embodiment.
The design of the utility model most critical is: carry out the various expert data of Direct Recognition by arranging channel layout modular converter, the correctness of convenient test collecting device image data and accuracy.
Consult Fig. 1, Fig. 2 or Fig. 3, a kind of multi-channel signal generation device, comprise waveform generating module 10, wave form output module 20 and channel layout modular converter 30.
Described waveform generating module 10 for producing the discrete sample sequence with time correlation according to the signal of input, and produces multiple discrete sample sequence when the signal inputted is multi channel signals simultaneously.
Described wave form output module 20 is for being converted into physical signalling by the digital signal of input or discrete sample sequence through digital-to-analog conversion device.
Described channel layout modular converter 30 makes described hyperchannel original signal convert the multi channel signals with another kind of channel form to after carrying out channel layout conversion to a kind of hyperchannel original signal.Channel layout modular converter 30 is connected with at least one in both waveform generating module 10 and wave form output module 20.
Channel layout modular converter carries out specific Channel-shifted multichannel signal, and this conversion has passage correlativity.Such as: each sample of first passage of output is added by the second channel inputted and the corresponding sample of four-way to get, and the second channel of output is the average by first passage and third channel.
From foregoing description, the beneficial effects of the utility model are: carry out the various data of Direct Recognition by arranging channel layout modular converter, the original signal that collecting device needs is exported after reverse transformation, the correctness of convenient this collecting device of test and accuracy, solve prior art and carry out the comparatively troublesome problem of two times transfer, improve the availability of equipment use, tester uses and becomes more simple and facilitate, thus improves work efficiency, reduces human cost; In addition, channel layout modular converter makes the output policy of signal more flexible, and user's dynamic specifies the coupling scheme of each channel signal to export complicated multi channel signals flexibly.
Further, consult Fig. 1, the link position of channel layout modular converter 30 is located between waveform generating module 10 and wave form output module 20, and channel layout modular converter 30 is for receiving the discrete sample sequence of waveform generating module 10 generation and transferring to wave form output module 20 after carrying out channel layout conversion to this discrete sample sequence.
From foregoing description, waveform generating module can be used for producing the input of multichannel discrete sample sequence data as channel layout modular converter, channel layout modular converter is converted into the hyperchannel discrete sample sequence of input the hyperchannel discrete sample sequence of another kind of channel form through a certain varying one's tactics, as the input of wave form output module, the final physical signalling exporting simulation.Transfer process described in this programme and wave form output synchronously carry out, namely signal is divided out multiple discrete area on a timeline, passage conversion and wave form output are carried out for each discrete area, the passage conversion of next discrete area of reprocessing and wave form output, described discrete area is some sample points on time shaft or the multiple sample point of continuous print.
Further, consult Fig. 2, the link position of waveform generating module 10 is located between channel layout modular converter 30 and wave form output module 20, and the signal data after channel layout conversion that waveform generating module 10 produces for receiving cable layout modular converter 30 also produces after discrete sample sequence according to this signal data and transfers to wave form output module 20.
From foregoing description, channel layout modular converter can be a pure pre-converted unit, the signal of user's input is first obtained the signal of another kind of channel layout form through passage conversion, more finally export the physical signalling of simulation via waveform generating module and wave form output module.Transfer process described in this programme can complete in advance, the i.e. passage conversion process of settling signal in advance, signal after conversion is complete in time, more further the signal after conversion is outputted to waveform generating module process, generates sample data in real time to wave form output module.Particularly, these three modules can work simultaneously, synchronism output, and following asynchronous scheme also can be adopted to carry out work.
The transfer process of described channel layout modular converter 30 is prior to the generating process of described waveform generating module 10, channel layout modular converter 30 is stored in signal library after can be used for the total data disposable transformation of same signal of input to complete, described signal library can be used for, when needs export the signal after conversion, the signal after conversion is sent to waveform generating module 10, and described waveform generating module 10 carries out transforming rear output for producing discrete sample sequence according to the signal after the conversion received and be sent to described wave form output module 20.
From foregoing description, three modules in this programme, except have front and back annexation in annexation except, also have the sequencing of execution in time.First the job order that this programme describes allows channel layout modular converter perform conversion work, now waveform generating module and wave form output module are in stopped status, after channel layout modular converter completes whole conversion work, the signal after conversion is stored in advance in signal library, when user needs the data after using these conversions, just they are transferred in follow-up waveform generating module and wave form output module from signal library, such channel layout modular converter just can obtain the longer shutdown time of having a rest, follow-up work is all performed by waveform generating module and wave form output module.Further, consult Fig. 3, the link position of wave form output module 20 is located between waveform generating module 10 and channel layout modular converter 30, and wave form output module 20 transfers to channel layout modular converter 30 for discrete sample sequence being converted into after physical simulation signal through digital-to-analog conversion device after the discrete sample sequence that receives waveform generating module 10 and produce.
From foregoing description, channel layout modular converter can also be the hardware circuit module of the direct Analog signals of a kind of energy.Transfer process described in this programme and wave form output synchronously carry out.
Further, described physical signalling comprise electric signal, light signal, acoustical signal, temperature signal and other can be perceived signal in one or more combination.
Further, described hyperchannel original signal comprises the mixing of the one or both in the one section of waveform sample signal sum functions formula signal gathered in advance.
Further, described channel layout modular converter comprises the one in mimic channel, digital circuit and software algorithm unit, and described mimic channel or digital circuit are connected with the output terminal of described wave form output module.
Further, the conversion method of described channel layout modular converter to described hyperchannel original signal comprises: channel position adjustment, increase port number, reduce port number, sample of signal exchange on a timeline in passage, one or more the combination calculated through mathematic(al) manipulation rule by original multiple channel data in destination channel data.
Please refer to Fig. 1, embodiment one of the present utility model is a kind of multi-channel signal generation device, comprises waveform generating module 10, wave form output module 20 and channel layout modular converter 30.
Described waveform generating module 10 for producing the discrete sample sequence with time correlation according to the signal of input, and produces multiple discrete sample sequence when the signal inputted is multi channel signals simultaneously.
Described wave form output module 20 for the digital signal of input or discrete sample sequence are converted into physical signalling through digital-to-analog conversion device, described physical signalling comprise electric signal, light signal, acoustical signal, temperature signal and other can be perceived signal in one or more combination.
Described channel layout modular converter 30 makes described hyperchannel original signal convert the multi channel signals with another kind of channel form to after carrying out channel layout conversion to a kind of hyperchannel original signal.Channel layout modular converter comprises the one in mimic channel, digital circuit and software algorithm unit, and channel layout switching strategy storehouse, hyperchannel original signal comprises the mixing of the one or both in the one section of waveform sample signal sum functions formula signal gathered in advance.The conversion method of channel layout modular converter to hyperchannel original signal comprises: channel position adjustment, increase port number, reduce port number, sample of signal exchange on a timeline in passage, one or more the combination calculated through mathematic(al) manipulation rule by original multiple channel data in destination channel data.
The link position of channel layout modular converter 30 is located between waveform generating module 10 and wave form output module 20, and channel layout modular converter 30 is for receiving the discrete sample sequence of waveform generating module 10 generation and transferring to wave form output module 20 after carrying out channel layout conversion to this discrete sample sequence.
Please refer to Fig. 2, embodiment two of the present utility model is a kind of multi-channel signal generation device, comprises waveform generating module 10, wave form output module 20 and channel layout modular converter 30.
Described waveform generating module 10 for producing the discrete sample sequence with time correlation according to the signal of input, and produces multiple discrete sample sequence when the signal inputted is multi channel signals simultaneously.
Described wave form output module 20 for the digital signal of input or discrete sample sequence are converted into physical signalling through digital-to-analog conversion device, described physical signalling comprise electric signal, light signal, acoustical signal, temperature signal and other can be perceived signal in one or more combination.
Described channel layout modular converter 30 makes described hyperchannel original signal convert the multi channel signals with another kind of channel form to after carrying out channel layout conversion to a kind of hyperchannel original signal.Channel layout modular converter comprises the one in mimic channel, digital circuit and software algorithm unit, and channel layout switching strategy storehouse, hyperchannel original signal comprises the mixing of the one or both in the one section of waveform sample signal sum functions formula signal gathered in advance.The conversion method of channel layout modular converter to hyperchannel original signal comprises: channel position adjustment, increase port number, reduce port number, sample of signal exchange on a timeline in passage, one or more the combination calculated through mathematic(al) manipulation rule by original multiple channel data in destination channel data.
The link position of waveform generating module 10 is located between channel layout modular converter 30 and wave form output module 20, and the signal data after channel layout conversion that waveform generating module 10 produces for receiving cable layout modular converter 30 also produces after discrete sample sequence according to this signal data and transfers to wave form output module 20.
Please refer to Fig. 3, embodiment three of the present utility model is a kind of multi-channel signal generation device, comprises waveform generating module 10, wave form output module 20 and channel layout modular converter 30.
Described waveform generating module 10 for producing the discrete sample sequence with time correlation according to the signal of input, and produces multiple discrete sample sequence when the signal inputted is multi channel signals simultaneously.
Described wave form output module 20 for the digital signal of input or discrete sample sequence are converted into physical signalling through digital-to-analog conversion device, described physical signalling comprise electric signal, light signal, acoustical signal, temperature signal and other can be perceived signal in one or more combination.
Described channel layout modular converter 30 makes described hyperchannel original signal convert the multi channel signals with another kind of channel form to after carrying out channel layout conversion to a kind of hyperchannel original signal.Channel layout modular converter comprises the one in mimic channel, digital circuit and software algorithm unit, and channel layout switching strategy storehouse, hyperchannel original signal comprises the mixing of the one or both in the one section of waveform sample signal sum functions formula signal gathered in advance.The conversion method of channel layout modular converter to hyperchannel original signal comprises: channel position adjustment, increase port number, reduce port number, sample of signal exchange on a timeline in passage, one or more the combination calculated through mathematic(al) manipulation rule by original multiple channel data in destination channel data.
The link position of wave form output module 20 is located between waveform generating module 10 and channel layout modular converter 30, and wave form output module 20 transfers to channel layout modular converter 30 for discrete sample sequence being converted into after physical simulation signal through digital-to-analog conversion device after the discrete sample sequence that receives waveform generating module 10 and produce.
Please refer to Fig. 4, embodiment four of the present utility model is a kind of multi-channel signal generation device, a channel layout switching strategy storehouse is adopted to provide some conventional layouts of leading in electrocardio field, each layout of leading is a good computer program prepared in advance, it defines input channel interface, output channel interface and the transformation rule from input interface to output interface.As direct output layout, be input to outlet chamber not through any conversion, what input is, what output is exactly; And standard 12 lead ECG layout definition input 12 passages (tunnel name is followed successively by: I, II, III, avR, avL, avF, V1, V2, V3, V4, V5, V6), export 9 passages (L, R, F, C1, C2, C3, C4, C5, C6) and from passage transformation rule (R=0, L=I, F=II, C1=V1+ (I+II)/3 of being input to output ...).
User first selects the placement strategy that will use in channel layout switching strategy storehouse, ECG layout is led as have selected standard 12, so all input channel title (I, II, III, avR of the current selected placement strategy of user will be listed at the configuration interface of channel signal configuration module ...), select a signal for user for each input channel.The stage is exported at signal, channel layout modular converter is by the transformation rule of the placement strategy selected by automatic loading user and perform flow path switch, sample sequence (9 passage) after conversion will flow to wave form output module, finally export the simulating signal of 9 passages required for user.
Embodiment five of the present utility model is a kind of multi-channel signal generation device, and the present embodiment is one and carries out the scheme of performance optimization for embodiment four.
In embodiment four, the channel layout transfer process of sample of signal and wave form output synchronously carry out, and that is, often export a sample, just change a sample in real time immediately.This real time conversion method is unpractical in some lower end platform, so the present embodiment carries out performance optimization to it, utilize the way of space for time, first carry out disposable channel layout conversion, all signal datas of all passages that will export are converted to the sample of signal of another kind of channel layout form, and preserve in memory.Like this, export the stage at signal, system can direct read signal sample successively from storer, and through the electric signal of wave form output module output needed for user.
Please refer to Fig. 5, embodiment six of the present utility model is a kind of multi-channel signal generation device, and the present embodiment is one to carry out adjusting and improved plan for embodiment four.
Under some application scenario, use software simulating channel layout transfer algorithm to there is the excessive process of calculated amount problem not in time, the present embodiment directly uses the channel layout transfer algorithm needed for mimic channel realization.The corresponding circuit module of usual a kind of channel layout, the present embodiment, by rear end change-over circuit corresponding for the channel layout automatic activation of specifying according to user, completes channel layout transfer process by the circuit activated.In addition, the present embodiment also introduces signal file parsing module, defines a kind of signal file form, and the signal file formulated according to this form saves the channel layout title that will use, and the sample of signal data of all input channels needed for this layout.The channel layout that signal file parsing module energy identification signal file is specified, and parse all channel datas, then wave form output module is passed to, the electric signal that wave form output module exports flows into the layout change-over circuit (specifying the channel layout title that will use in signal file) of specifying again, completes transfer process and export the final required multichannel electrical signal of user by layout change-over circuit.
In sum, the multi-channel signal generation device that the utility model provides carries out specific Channel-shifted multichannel signal and carrys out the various data of Direct Recognition, the correctness of convenient this collecting device of test and accuracy, solve prior art and carry out the comparatively troublesome problem of two times transfer, improve the availability of equipment use, tester uses and becomes more simple and facilitate, thus improves work efficiency, reduces human cost; In addition, channel layout modular converter makes the output policy of signal more flexible, and user's dynamic specifies the coupling scheme of each channel signal to export complicated multi channel signals flexibly.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalents utilizing the utility model instructions and accompanying drawing content to do; or be directly or indirectly used in relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (7)
1. a multi-channel signal generation device, is characterized in that, comprising:
Waveform generating module, for producing the discrete sample sequence with time correlation according to the signal of input, and produces multiple discrete sample sequence when the signal inputted is multi channel signals simultaneously;
Wave form output module, for being converted into physical signalling by the digital signal of input or discrete sample sequence through digital-to-analog conversion device;
Channel layout modular converter, makes described hyperchannel original signal convert the multi channel signals with another kind of channel form to after carrying out channel layout conversion to a kind of hyperchannel original signal;
Described channel layout modular converter is connected with at least one in described waveform generating module and described wave form output module.
2. multi-channel signal generation device according to claim 1, it is characterized in that, the link position of described channel layout modular converter is located between described waveform generating module and described wave form output module, and channel layout modular converter is for receiving the discrete sample sequence of waveform generating module generation and transferring to wave form output module after carrying out channel layout conversion to this discrete sample sequence.
3. multi-channel signal generation device according to claim 1, it is characterized in that, the link position of described waveform generating module is located between described channel layout modular converter and described wave form output module, and waveform generating module is used for the signal data after channel layout conversion of receiving cable layout modular converter generation and transfers to wave form output module after producing discrete sample sequence according to this signal data.
4. multi-channel signal generation device according to claim 1, it is characterized in that, the link position of described wave form output module is located between described waveform generating module and described channel layout modular converter, and wave form output module transfers to channel layout modular converter for discrete sample sequence being converted into after physical simulation signal through digital-to-analog conversion device after the discrete sample sequence that receives waveform generating module and produce.
5. multi-channel signal generation device according to claim 1, is characterized in that, described physical signalling comprise electric signal, light signal, acoustical signal, temperature signal and other can be perceived signal in one or more combination.
6. multi-channel signal generation device according to claim 1, is characterized in that, described hyperchannel original signal comprises the mixing of the one or both in the one section of waveform sample signal sum functions formula signal gathered in advance.
7. multi-channel signal generation device according to claim 1, it is characterized in that, described channel layout modular converter comprises the one in mimic channel, digital circuit and software algorithm unit, and described mimic channel or digital circuit are connected with the output terminal of described wave form output module.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104155494A (en) * | 2014-08-19 | 2014-11-19 | 深圳市海威信科技有限公司 | Multi-channel signal generation device |
| CN110111523A (en) * | 2019-04-09 | 2019-08-09 | 辰安天泽智联技术有限公司 | A kind of fire-fighting Internet of Things signal imitation Transmission system |
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2014
- 2014-08-19 CN CN201420468403.4U patent/CN204065179U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104155494A (en) * | 2014-08-19 | 2014-11-19 | 深圳市海威信科技有限公司 | Multi-channel signal generation device |
| CN110111523A (en) * | 2019-04-09 | 2019-08-09 | 辰安天泽智联技术有限公司 | A kind of fire-fighting Internet of Things signal imitation Transmission system |
| CN110111523B (en) * | 2019-04-09 | 2020-12-08 | 辰安天泽智联技术有限公司 | A fire-fighting Internet of things signal simulation transmission system |
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Inventor after: Xie Jinqiang Inventor after: Ye Jilun Inventor after: Qin Chengdong Inventor after: Wu Zeyu Inventor before: Xie Jinqiang Inventor before: Ye Jilun Inventor before: Qin Chengdong |
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