CN119154969B - A ship communication monitoring system using radio technology - Google Patents
A ship communication monitoring system using radio technology Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/101—Monitoring; Testing of transmitters for measurement of specific parameters of the transmitter or components thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/27—Monitoring; Testing of receivers for locating or positioning the transmitter
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/03—Protecting confidentiality, e.g. by encryption
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Abstract
本发明涉及通信监控设备的技术领域，具体涉及一种使用无线电技术的舰船通信监控系统，该系统包括信号接收模块、信号处理模块、频谱分析模块、信号解码模块、检测模块、信息设定模块、控制模块、通信模块；频谱分析模块将无线电信号的数据传输至信号解码模块、控制模块；信号解码模块用于解密无线电信号的数据且形成明文信息，并传输至通信模块；信息设定模块用于设定定值数据，并将定值数据传输至控制模块；控制模块得出发送无线电波的身份为对方或者我方的信息，并传输至通信模块；通信模块将发送无线电波的身份为对方或者我方的信息、明文信息传输至用户端。上述有助于提高提高通信的安全系数。
The present invention relates to the technical field of communication monitoring equipment, and specifically to a ship communication monitoring system using radio technology, the system comprising a signal receiving module, a signal processing module, a spectrum analysis module, a signal decoding module, a detection module, an information setting module, a control module, and a communication module; the spectrum analysis module transmits the data of the radio signal to the signal decoding module and the control module; the signal decoding module is used to decrypt the data of the radio signal and form plain text information, and transmit it to the communication module; the information setting module is used to set fixed value data, and transmit the fixed value data to the control module; the control module obtains the information that the identity of the radio wave is the other party or our party, and transmits it to the communication module; the communication module transmits the information that the identity of the radio wave is the other party or our party and the plain text information to the user end. The above helps to improve the safety factor of communication.
Description
Technical Field
The invention relates to the technical field of communication monitoring equipment, in particular to a ship communication monitoring system using a radio technology.
Background
The radio reconnaissance technology refers to a technology for acquiring information by monitoring, intercepting, analyzing, and using radio signals. The method comprises the following steps of setting a target, definitely detecting a task and a target area, determining radio frequency bands and signal types to be monitored, arranging a receiving device, a directional antenna and an analysis instrument in the target area, ensuring that the device can cover radio activities of the target area, intercepting and recording the target signal by using the high-sensitivity receiving device, recording in real time, analyzing spectrum characteristics of the signal, determining source positions of the signal by using a direction detection technology, decoding and identifying the signal, decoding and analyzing signal content, identifying communication modes and device characteristics, analyzing and reporting information, combining analysis results with other information data, comprehensively analyzing and generating an information report.
The application document with the publication number of CN101493958A discloses an electronic certificate device for ship identity, which comprises a controller, a memory for storing electronic certificate information of the ship, a wireless transmitter-receiver and an antenna, wherein the controller is connected with the memory for the controller to call or change data in the memory, and a power supply which is connected with the wireless transmitter-receiver together and provides electric energy for the wireless transmitter-receiver.
In the prior art, the identity is confirmed by identifying the electronic certificate information, however, the situation of identity impersonation occurs in the actual application process, and the safety coefficient of communication is reduced.
Disclosure of Invention
The invention aims to help to improve the safety coefficient of communication, and provides a ship communication monitoring system using a radio technology aiming at the defects.
The invention adopts the following technical scheme:
The system comprises a signal receiving module, a signal processing module, a spectrum analysis module, a signal decoding module, a detection module, an information setting module, a control module and a communication module;
the signal receiving module is used for receiving the radio signal of the ship;
The signal processing module is used for preprocessing a radio signal;
the spectrum analysis module is used for analyzing the spectrum characteristics of the radio signal, identifying the data of the radio signal and transmitting the data of the radio signal to the signal decoding module and the control module;
The signal decoding module is used for decrypting data of the radio signal, forming plaintext information and transmitting the plaintext information to the communication module;
the detection module is used for detecting and obtaining detection data and transmitting the detection data to the control module;
the information setting module is used for setting fixed value data and transmitting the fixed value data to the control module;
The control module obtains an identity judgment factor according to the data, detection data and fixed value data of the radio signal, obtains information that the identity of the sending radio wave is the opposite side or the my side according to the identity judgment factor, and transmits the information that the identity of the sending radio wave is the opposite side or the my side to the communication module;
the communication module transmits information of which the identity of the transmitted radio wave is the opposite party or the my party and clear text information to the user side.
Optionally, the spectrum analysis module comprises a positioning sub-module and a frequency analysis sub-module,
The positioning sub-module is used for analyzing the position of the radio wave transmitting antenna and obtaining a radio wave position factor, and transmitting the radio wave position factor to the control module,
The frequency analysis sub-module is used for analyzing radio waves and obtaining actual measurement values of radio wave frequencies, and transmitting the actual measurement values to the control module;
the detection module comprises a temperature detection sub-module, an air pressure detection sub-module and a distance detection sub-module,
The temperature detection sub-module is used for detecting the ambient temperature and obtaining the actual measurement value of the ambient temperature and transmitting the actual measurement value to the control module,
The air pressure detection sub-module is used for detecting the ambient air pressure and obtaining the actual measurement value of the ambient air pressure and transmitting the actual measurement value to the control module,
The distance detection sub-module is used for detecting and obtaining the horizontal distance from the radio wave transmitting antenna to the receiving antenna, the vertical distance from the radio wave transmitting antenna to the sea level and the vertical distance from the radio wave receiving antenna to the sea level, and transmitting the horizontal distance and the vertical distance to the control module;
The information setting module is used for setting a weight index of the radio wave frequency factor, a weight index of the radio wave position factor, a first selection threshold value of the radio wave frequency accuracy index, a second selection threshold value of the radio wave frequency accuracy index, a standard value of the environment temperature, a standard value of the environment air pressure and the light speed and transmitting the values to the control module;
The control module comprises a calculation submodule and a judgment submodule,
The calculation submodule obtains a reflection path according to the horizontal distance from the radio wave transmitting antenna to the receiving antenna, the vertical distance from the radio wave transmitting antenna to the sea level, the vertical distance from the radio wave receiving antenna to the sea level, obtains a radio wave frequency accuracy index according to a standard value of an ambient temperature, an actual measurement value of an ambient air pressure, an actual measurement value of a radio wave frequency, a speed of light, a reflection path, the horizontal distance from the radio wave transmitting antenna to the receiving antenna, obtains a radio wave frequency factor according to the radio wave frequency accuracy index, a first selection threshold of the radio wave frequency accuracy index, a second selection threshold of the radio wave frequency accuracy index, obtains an identity determination factor according to the radio wave frequency factor, a weight index of the radio wave position factor, and transmits the identity determination factor to the determination submodule,
The determination submodule obtains information that the identity of the sending radio wave is the opposite party or the my party according to the identity determination factor, and transmits the information that the identity of the sending radio wave is the opposite party or the my party to the communication module.
Optionally, the distance detection submodule includes gps height equipment corresponding to a transmitting antenna, gps height equipment corresponding to a receiving antenna, and a data statistics unit;
The gps height equipment corresponding to the transmitting antenna is used for detecting and obtaining the position information of the radio wave transmitting antenna and transmitting the position information to the data statistics unit;
The gps height equipment corresponding to the receiving antenna is used for detecting and obtaining the position information of the radio wave receiving antenna and transmitting the position information to the data statistics unit;
The data statistics unit obtains the horizontal distance from the radio wave transmitting antenna to the receiving antenna, the vertical distance from the radio wave transmitting antenna to the sea level, and the vertical distance from the radio wave receiving antenna to the sea level according to the position information of the radio wave transmitting antenna and the position information of the radio wave receiving antenna, and transmits the horizontal distance to the calculation sub-module.
Optionally, when the computing submodule computes the identity judgment factor, the following equation is satisfied:
;
Wherein, As the identity determination factor,As the radio wave frequency factor,Is a weight index of a radio wave frequency factor,As the radio wave location factor,The values to be given are respectively the following,Or (b)When (when)The position of the radio wave transmitting antenna is shown as belonging to the active area of the ship, the rest is,Is a weight index of the radio wave position factor.
The beneficial effects obtained by the invention are as follows:
The control module is convenient to obtain the information that the identity of the transmitted radio wave is the opposite party or the my party, the decryption step is omitted in the process, the overall judgment speed is improved, and the safety coefficient of communication is improved.
For a further understanding of the nature and the technical aspects of the present invention, reference should be made to the following detailed description of the invention and the accompanying drawings, which are provided for purposes of reference only and are not intended to limit the invention.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a spectrum analysis module according to the present invention;
FIG. 3 is a schematic diagram of a detection module according to the present invention;
FIG. 4 is a schematic diagram of a control module according to the present invention;
FIG. 5 is a schematic diagram of a distance detection sub-module according to the present invention;
FIG. 6 is a schematic diagram of the overall structure of a second embodiment of the present invention;
Fig. 7 is a schematic structural diagram of a text analysis module in a second embodiment of the present invention.
Detailed Description
The following embodiments of the present invention are described in terms of specific examples, and those skilled in the art will appreciate the advantages and effects of the present invention from the disclosure herein. The invention is capable of other and different embodiments and its several details are capable of modification and variation in various respects, all without departing from the spirit of the present invention. The drawings of the present invention are merely schematic illustrations, and are not drawn to actual dimensions, and are stated in advance. The following embodiments will further illustrate the related art of the present invention in detail, but the disclosure is not intended to limit the scope of the present invention.
First embodiment this embodiment provides a ship communication monitoring system using radio technology, as shown in connection with fig. 1 to 5.
The system comprises a signal receiving module, a signal processing module, a spectrum analysis module, a signal decoding module, a detection module, an information setting module, a control module and a communication module;
the signal receiving module is used for receiving the radio signal of the ship;
The signal processing module is used for preprocessing a radio signal;
the spectrum analysis module is used for analyzing the spectrum characteristics of the radio signal, identifying the data of the radio signal and transmitting the data of the radio signal to the signal decoding module and the control module;
The signal decoding module is used for decrypting data of the radio signal, forming plaintext information and transmitting the plaintext information to the communication module;
the detection module is used for detecting and obtaining detection data and transmitting the detection data to the control module;
the information setting module is used for setting fixed value data and transmitting the fixed value data to the control module;
The control module obtains an identity judgment factor according to the data, detection data and fixed value data of the radio signal, obtains information that the identity of the sending radio wave is the opposite side or the my side according to the identity judgment factor, and transmits the information that the identity of the sending radio wave is the opposite side or the my side to the communication module;
the communication module transmits information of which the identity of the transmitted radio wave is the opposite party or the my party and clear text information to the user side.
Optionally, the spectrum analysis module comprises a positioning sub-module and a frequency analysis sub-module,
The positioning sub-module is used for analyzing the position of the radio wave transmitting antenna and obtaining a radio wave position factor, and transmitting the radio wave position factor to the control module,
The frequency analysis sub-module is used for analyzing radio waves and obtaining actual measurement values of radio wave frequencies, and transmitting the actual measurement values to the control module;
the detection module comprises a temperature detection sub-module, an air pressure detection sub-module and a distance detection sub-module,
The temperature detection sub-module is used for detecting the ambient temperature and obtaining the actual measurement value of the ambient temperature and transmitting the actual measurement value to the control module,
The air pressure detection sub-module is used for detecting the ambient air pressure and obtaining the actual measurement value of the ambient air pressure and transmitting the actual measurement value to the control module,
The distance detection sub-module is used for detecting and obtaining the horizontal distance from the radio wave transmitting antenna to the receiving antenna, the vertical distance from the radio wave transmitting antenna to the sea level and the vertical distance from the radio wave receiving antenna to the sea level, and transmitting the horizontal distance and the vertical distance to the control module;
The information setting module is used for setting a weight index of the radio wave frequency factor, a weight index of the radio wave position factor, a first selection threshold value of the radio wave frequency accuracy index, a second selection threshold value of the radio wave frequency accuracy index, a standard value of the environment temperature, a standard value of the environment air pressure and the light speed and transmitting the values to the control module;
The control module comprises a calculation submodule and a judgment submodule,
The calculation submodule obtains a reflection path according to the horizontal distance from the radio wave transmitting antenna to the receiving antenna, the vertical distance from the radio wave transmitting antenna to the sea level, the vertical distance from the radio wave receiving antenna to the sea level, obtains a radio wave frequency accuracy index according to a standard value of an ambient temperature, an actual measurement value of an ambient air pressure, an actual measurement value of a radio wave frequency, a speed of light, a reflection path, the horizontal distance from the radio wave transmitting antenna to the receiving antenna, obtains a radio wave frequency factor according to the radio wave frequency accuracy index, a first selection threshold of the radio wave frequency accuracy index, a second selection threshold of the radio wave frequency accuracy index, obtains an identity determination factor according to the radio wave frequency factor, a weight index of the radio wave position factor, and transmits the identity determination factor to the determination submodule,
The determination submodule obtains information that the identity of the sending radio wave is the opposite party or the my party according to the identity determination factor, and transmits the information that the identity of the sending radio wave is the opposite party or the my party to the communication module.
Specifically, the determination submodule satisfies a determination rule when determining that the identity determination factor is greater than or equal to a selection threshold of the identity determination factor, the identity indicated as transmitting radio waves is the opposite side, the identity indicated as transmitting radio waves is my side when the identity determination factor is less than the selection threshold of the identity determination factor, the selection threshold of the identity determination factor is set by a person skilled in the art according to different devices and transmission modes for transmitting radio waves, a worker can timely take measures for intercepting information according to the determined identity information, and the positioning submodule can position the radio wave transmitting antenna by a triangulation method, for example, three different receivers can be set to be respectively positioned at positions a, b and c, the three receivers respectively obtain corresponding longitude and latitude and corresponding arrival time of radio waves, finally the position of the radio wave transmitting antenna is obtained by utilizing the relation of geometric difference, triangulation principle and corresponding arrival time of radio waves, and finally the obtained position of the radio wave transmitting antenna and a target position are analyzed to obtain corresponding radio wave position factors, for example, known data that the position (the longitude and latitude coordinates are converted into longitude and latitude when calculating) of the receiver is respectively: unknown data the position of the radio wave transmitting antenna is set to Known data are that the time of arrival of the radio waves corresponding to three different receivers are respectively: the calculated time differences are respectively: The calculated distance differences are respectively: Wherein For the speed of light, then solve for: the position specification value of the radio wave transmitting antenna is obtained by the above-mentioned formula assumption And the target position range isTo the point of,At the position ofTo the point ofIt can be concluded that the position of the radio wave transmitting antenna belongs to the active area of the my ship, and the specific value of the corresponding radio wave position factor is 0.
Optionally, the distance detection submodule includes gps height equipment corresponding to a transmitting antenna, gps height equipment corresponding to a receiving antenna, and a data statistics unit;
The gps height equipment corresponding to the transmitting antenna is used for detecting and obtaining the position information of the radio wave transmitting antenna and transmitting the position information to the data statistics unit;
The gps height equipment corresponding to the receiving antenna is used for detecting and obtaining the position information of the radio wave receiving antenna and transmitting the position information to the data statistics unit;
The data statistics unit obtains the horizontal distance from the radio wave transmitting antenna to the receiving antenna, the vertical distance from the radio wave transmitting antenna to the sea level, and the vertical distance from the radio wave receiving antenna to the sea level according to the position information of the radio wave transmitting antenna and the position information of the radio wave receiving antenna, and transmits the horizontal distance to the calculation sub-module.
Optionally, when the computing submodule computes the identity judgment factor, the following equation is satisfied:
;
Wherein, As the identity determination factor,As the radio wave frequency factor,Is a weight index of a radio wave frequency factor,As the radio wave location factor,The values to be given are respectively the following,Or (b)When (when)The position of the radio wave transmitting antenna is shown as belonging to the active area of the ship, the rest is,Is a weight index of the radio wave position factor.
Optionally, when the calculation submodule calculates, the following formula is satisfied:
;
;
;
;
;
Wherein, Is an index of the frequency accuracy of the radio wave,A first selected threshold value that is an indicator of radio wave frequency accuracy,A second selection threshold value which is an index of radio wave frequency accuracy;
Is a standard value of the ambient temperature, As an actual measurement of the temperature of the environment,Is an actual measurement value of the ambient air pressure,Is the standard value of the ambient air pressure,As the actual measured value of the radio wave frequency,In order to achieve the light velocity, the light beam is,In order to be a reflection path,A horizontal distance from a radio wave transmitting antenna to a receiving antenna;
For the vertical distance of the radio wave transmitting antenna to the sea level, Is the vertical distance of the radio wave receiving antenna to the sea level.
Specifically, the radio wave transmitting antenna is an antenna responsible for converting an electric signal into a radio wave and transmitting the radio wave, the radio wave receiving antenna is an antenna responsible for receiving the radio wave and converting the radio wave into the electric signal, the weight index of the radio wave frequency factor and the weight index of the radio wave position factor are set by a person skilled in the art, the first selection threshold of the radio wave frequency accuracy index and the second selection threshold of the radio wave frequency accuracy index are set by a person skilled in the art, the standard value of the ambient temperature and the unit of the measured value of the ambient temperature are both degrees celsius, the standard value of the ambient temperature and the standard value of the ambient air pressure are set by a person skilled in the art, the ambient temperature refers to the temperature in the air, the ambient air pressure refers to the air pressure in the air, when the measured value of the ambient temperature is greater than the standard value of the ambient temperature, the refractive index in the air is reduced, the speed of the radio wave in the air is increased, the corresponding signal reaches a shorter time, the measured value of the radio wave frequency is increased, and vice versa, the value of the ambient air pressure is increased, the measured value of the air pressure is increased, and vice versa, the radio wave is reduced in the unit of the radio wave is understood to be the free to be, and the radio wave is transmitted in the free of the air, the measured value is taken as the measured value of the air, and the air is reducedThe units of the reflection path, the horizontal distance from the radio wave transmitting antenna to the receiving antenna, the vertical distance from the radio wave transmitting antenna to the sea level, and the vertical distance from the radio wave receiving antenna to the sea level are all meters per second, the reflection path can be understood as the path from the radio wave transmitting antenna to the reflection point and then to the radio wave receiving antenna, the reflection point can be understood as the sea level and is positioned at the midpoint of the horizontal distance from the radio wave transmitting antenna to the receiving antenna, the vertical distance from the radio wave transmitting antenna to the sea level can be understood as the vertical distance from the radiation center of the radio wave transmitting antenna to the sea level, and the vertical distance from the radio wave receiving antenna to the sea level can be understood as the vertical distance from the radiation center of the radio wave receiving antenna to the sea level.
The above units are only examples, and a person skilled in the art may set different speed units, temperature units, air pressure units according to actual requirements when implementing the present embodiment.
According to the embodiment, the problem of low monitoring efficiency of a traditional monitoring system is solved through the control module, the identity of the transmitted radio wave is obtained through the control module to be the information of the other party or the other party conveniently, the decryption step is omitted in the process, the overall judging speed is improved, and the safety coefficient of communication is improved.
Second embodiment this embodiment, which contains the whole of the first embodiment, provides a ship communication monitoring system using radio technology, and is shown in connection with fig. 6 and 7.
The system also comprises a text analysis module and an alarm module;
The signal decoding module also transmits the plaintext information to the text analysis module;
The text analysis module is used for analyzing the plaintext information, obtaining the total number of the target phrases, the total word number of each target phrase and the total word number of the preprocessed plaintext information, and transmitting the total word number to the calculation submodule;
the calculation submodule obtains text analysis factors according to the total number of the target phrases, the total number of words forming each target phrase and the total number of words forming the preprocessed plaintext information, and transmits the text analysis factors to the judgment submodule;
The judging submodule obtains information whether the information is useful or not according to the text analysis factors and transmits the information to the alarm module;
the alarm module carries out alarm according to whether the information is useful or not.
Specifically, the judging submodule refers to the following judging principle, when the text analysis factor is larger than or equal to the selection threshold value of the text analysis factor, the information is indicated to be useful to alarm, when the text analysis factor is smaller than the selection threshold value of the text analysis factor, the information is indicated to be not useful to alarm, the selection threshold value of the text analysis factor is set by a person skilled in the art according to the actual situation, the alarm module can timely inform the person after alarming, the person reasonably intercepts the information or makes a response scheme, for example, the person immediately intercepts the information when judging that the person is the opposite party information, and the person makes a response scheme when judging that the person is the my party information.
Optionally, the text analysis module comprises a sample sub-module, a preprocessing sub-module, a comparison sub-module and a data statistics sub-module;
The sample sub-module is used for collecting corresponding texts and establishing a target phrase digital library;
The preprocessing sub-module is used for receiving the plaintext information, removing stop words from the plaintext information, and transmitting the preprocessed plaintext information to the comparison sub-module and the data statistics sub-module;
the comparison sub-module is used for comparing the preprocessed plaintext information and the target phrase digital library;
The data statistics sub-module obtains the total number of target phrases and the total number of words forming each target phrase according to the compared preprocessed plaintext information and the target phrase digital library, obtains the total number of words forming the preprocessed plaintext information according to the preprocessed plaintext information, and transmits the total number of target phrases, the total number of words forming each target phrase and the total number of words forming the preprocessed plaintext information to the calculation sub-module.
The preprocessing sub-module is used for removing stop words, which are usually some common connecting words, articles and pronouns, such as 'on', 'off', 'on', and the like, so as to reduce noise and improve the effect and efficiency of text processing, and when the comparison sub-modules compare, 1 target phrase is indicated to exist on the assumption that the words appearing in the target phrase digital library appear in the processed text information.
With respect to creating a digital library of target phrases, "target phrases" are set by those skilled in the art with reference to three factors, "relevance," "frequency," "professionals," which refer to words that are highly relevant to action command information, such as such words that encompass action commands, tactical operations, intelligence processes, logistical safeguards, specifically may be "assault actions," "tactical withdrawal," "defensive battle plausibility," "tactical planning," "replenishment routes," "logistical support," etc., and "frequencies" refer to phrases that appear multiple times in previously collected text, such as that phrases reflect important concepts and common operations, "professionals" refers to generic phrases that are highly professional, domain-specific, specifically may be "electronic interference," "data decryption," "information reconnaissance," "satellite monitoring," "signal interception," "radar screening," etc.
Optionally, when the calculating submodule calculates the text analysis factor, the following formula is satisfied:
;
Wherein, In order to be a text analysis factor,For the total number of target phrases,To make up ofThe total number of words of the individual target phrases,The total word number is composed of the preprocessed plaintext information.
The embodiment solves the problem that the traditional monitoring system is single through the text analysis module, analyzes the obtained plaintext information through the text analysis module, obtains useful information of information through cooperation with the control module, and makes reasonable interception or response scheme for the information by staff.
The foregoing disclosure is only a preferred embodiment of the present invention and is not intended to limit the scope of the invention, so that all equivalent technical changes made by the application of the present invention and the accompanying drawings are included in the scope of the invention, and in addition, the elements in the invention can be updated with the technical development.
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| CN101281500A (en) * | 2008-05-29 | 2008-10-08 | 上海交通大学 | MCU-controlled mobile hard disk encryption system with MEMS strong chain |
| CN118501655A (en) * | 2024-04-25 | 2024-08-16 | 苏州泰莱微波技术有限公司 | Radio frequency amplifier test system and test method |
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| CN101281500A (en) * | 2008-05-29 | 2008-10-08 | 上海交通大学 | MCU-controlled mobile hard disk encryption system with MEMS strong chain |
| CN118501655A (en) * | 2024-04-25 | 2024-08-16 | 苏州泰莱微波技术有限公司 | Radio frequency amplifier test system and test method |
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