CN114679226B - Miniature easy-to-use electromagnetic sensing system - Google Patents
Miniature easy-to-use electromagnetic sensing system Download PDFInfo
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- CN114679226B CN114679226B CN202210216279.1A CN202210216279A CN114679226B CN 114679226 B CN114679226 B CN 114679226B CN 202210216279 A CN202210216279 A CN 202210216279A CN 114679226 B CN114679226 B CN 114679226B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04B17/00—Monitoring; Testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/14—Receivers specially adapted for specific applications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a miniature easy-to-use electromagnetic sensing system, which comprises front-end electromagnetic sensing equipment, control software and back-end data processing terminal software, wherein the front-end electromagnetic sensing equipment is connected with the control software through a network; the back-end data processing terminal software comprises a frequency domain monitoring data analysis and display module, a region monitoring data analysis and display module, a time domain monitoring data analysis and display module and a signal characteristic data analysis and display module; the frequency domain monitoring data analysis and display module is used for analyzing the frequency band scanning data to obtain frequency band occupancy rate information of the specified frequency band in the frequency domain; the region monitoring data analysis and display module is used for positioning, displaying and quantity analyzing the radiation source of the signal; the time domain monitoring data analysis and display module is used for analyzing and displaying the activity rule and the time occupancy rate of the signal according to the time sequence of the acquired scanning frequency spectrum data; and the signal characteristic data analysis and display module analyzes the multi-dimensional map information of the station signal through IQ data. The invention can rapidly carry out fine monitoring on the electromagnetic environment at any time and any place.
Description
Technical Field
The invention relates to the field of electromagnetic sensing, in particular to a miniature easy-to-use electromagnetic sensing system.
Background
With the continuous development and technological innovation of radio services, radio related technical resources become important scientific research and production elements for developing the strong communication country, are powerful weapons for supporting the development of information-based industries in China and building the strong radio military country, have increasingly prominent strategic positions and increasingly vigorous demands.
In today with the continuous expansion of radio technology and applications, the radio industry has been rapidly developing towards informatization, high speed and intellectualization. However, the exponential growth of radio equipment comes with increasingly complex spatial frequency spectrum and more diverse signal systems. This puts higher demands on the fine monitoring acquisition and information management of radio spectrum resources. How to complete fine monitoring through reference information such as target application scenes, categories, systems and the like under the condition of informatization combat becomes a key for controlling the electromagnetic situation of a region.
The existing electromagnetic sensing equipment (including fixed, movable and portable) is limited by the receptor type, power supply, road traffic, weather, manual maintenance and other conditions, and is difficult to meet military monitoring application requirements in some special environments (such as overseas special and sensitive areas, border unmanned areas, island reefs, near enemies and the like). The performance of most domestic electromagnetic environment acquisition equipment reaches the standard but has larger volume, so that the single person carrying operation is difficult to meet; moreover, most of the functional modes are single, and the software functions are closer to measurement rather than detection, so that the method is weaker in military application, and the concealed, safe and fine detection of a specific area or a local sensitive area is difficult to complete.
Disclosure of Invention
The invention aims to meet the demand of rapidly and finely monitoring the electromagnetic environment at any time and anywhere, and provides a miniature easy-to-use electromagnetic sensing system, which starts from the miniature design based on electromagnetic sensing equipment, realizes the construction of the miniature easy-to-use electromagnetic sensing equipment through the application of a miniature broadband conformal antenna design, a functional module design based on a low-power management strategy, a data efficient acquisition processing and matrix storage technology, a simple task planning and loading technology and the like.
The purpose of the invention is realized by the following technical scheme:
a miniature easy-to-use electromagnetic sensing system comprises front-end electromagnetic sensing equipment, control software and back-end data processing terminal software; the front-end electromagnetic sensing equipment is loaded with embedded software, monitors the electromagnetic environment of a covered area and finishes data acquisition and storage; the control software is installed at the mobile phone end and performs data interaction with the front-end electromagnetic sensing equipment through wireless communication; the back-end data processing terminal software is deployed on a computer and carries out off-line analysis on the data acquired by the front-end electromagnetic sensing equipment;
the front-end electromagnetic sensing equipment is respectively connected with the mobile phone end in a bidirectional way through a wireless network and is connected with the computer in a unidirectional way through a data cable; the mobile phone end is also connected with a computer;
the front-end electromagnetic induction equipment comprises a core board, a built-in broadband conformal antenna, a radio frequency receiver, a man-machine interaction module and a lithium battery pack; the core board is respectively connected with the built-in broadband conformal antenna, the radio frequency receiver, the human-computer interaction module and the lithium battery pack; the built-in broadband conformal antenna is also connected with the radio frequency receiver; the core board comprises an intermediate frequency processing and control management unit, and a power supply management unit, a storage unit, an ADC (analog-to-digital converter) and a WIFI (wireless fidelity) unit which are connected with the intermediate frequency processing and control management unit; the built-in broadband conformal antenna is connected with the WiFi unit; the radio frequency receiver is connected with the ADC converter; the lithium battery pack is connected with the power management unit;
the control software adopts a C/S application structure and comprises an equipment state monitoring module, a task generating module, a task issuing module, a task synchronizing module and a data destroying module; the state monitoring module is used for monitoring the front-end working state, the GPS position, the currently acquired data volume, the storage space capacity and the battery electric quantity state, and completing the operations of remotely shutting down equipment and restarting the equipment; the task generation module is used for generating related task parameters through a task model selected by a user; the task issuing module is used for issuing one-key tasks after the user determines the task model; the task synchronization module is used for synchronizing task parameters of data processing terminal software and a signal list to be sampled; the data destruction module is used for destroying data on the front-end electromagnetic induction equipment by one key;
the back-end data processing terminal software is deployed on a computer and comprises a frequency domain monitoring data analysis and display module, a region monitoring data analysis and display module, a time domain monitoring data analysis and display module and a signal characteristic data analysis and display module;
the frequency domain monitoring data analysis and display module is used for analyzing the frequency band scanning data to obtain frequency band occupancy rate information of the specified frequency band on the frequency domain, and counting a dynamic frequency occupancy analysis chart in the specified frequency band;
the regional monitoring data analysis and display module is used for positioning, displaying and quantitatively analyzing the radiation source of the signal;
the time domain monitoring data analysis and display module is used for analyzing and displaying the activity rule and the time occupancy rate of the signal according to the time sequence of the acquired scanning frequency spectrum data;
and the signal characteristic data analysis and display module is used for analyzing the multi-dimensional map information of the station signal through IQ data.
The human-computer interaction module comprises a key and an indicator light; the key and the indicator light are respectively connected with the power management unit in the core board.
The invention has the beneficial effects that:
the invention fully considers the application requirements of the equipment in use in sensitive places and carry-on, and takes the miniaturization, easy use, concealment and low power consumption of the equipment as the design key content. The miniature design target is realized by adopting the design modes of antenna common mode, shell material composition, ZYNQ platform application, stacking and dislocation placement and the like; by adopting a design mode of separating the front end and the rear end of the product, encrypting and transmitting data, destroying the data by one key and the like, the concealed design target is realized; based on the product application scene and the task execution templated subdivision, the technology of simple task planning, scene association, task mapping, template triggering, matrix storage and the like is adopted to realize the design goal of easy use; meanwhile, according to a product hardware architecture, a low-power-consumption design target is achieved by adopting a task threshold detection mode, a power supply self-adaptive management mode and a low-power-consumption platform application design mode.
Drawings
In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the embodiments or technical solutions of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic diagram of a front-end electromagnetic sensing apparatus of the present invention;
FIG. 2 is a functional block diagram of the embedded software of the present invention;
fig. 3 is a functional block diagram of the mobile phone end control software of the present invention;
fig. 4 is a functional block diagram of the data processing terminal software of the present invention.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
As shown in fig. 1, the front-end electromagnetic sensing device includes a core board, a built-in broadband conformal antenna, a radio frequency receiver, a human-computer interaction module, and a lithium battery pack; the core board is respectively connected with the built-in broadband conformal antenna, the radio frequency receiver, the human-computer interaction module and the lithium battery pack; the built-in broadband conformal antenna is also connected with the radio frequency receiver.
The core board comprises an intermediate frequency processing and control management unit, and a power supply management unit, a storage unit, a multimode positioning signal receiving unit, an ADC (analog-to-digital converter) and a WIFI (wireless fidelity) unit which are connected with the intermediate frequency processing and control management unit; the built-in broadband conformal antenna is connected with the multimode positioning signal receiving unit and the WiFi unit; the radio frequency receiver is connected with the ADC converter; the lithium battery pack is connected with the power management unit.
The human-computer interaction module comprises a key and an indicator light; the key and the indicator light are respectively connected with the power management unit in the core board.
The multimode positioning signal receiving unit is a Beidou module.
The built-in broadband conformal antenna mainly receives and collects electromagnetic signals in a frequency range of 100 MHz-5 GHz, receives multimode positioning signals and receives and transmits WIFI signals;
the radio frequency receiver mainly converts radio frequency signals received by the antenna into intermediate frequency signals required by an intermediate frequency processing unit of a core board;
the core board mainly realizes the processing of intermediate frequency signals and the management control of the whole terminal equipment, and comprises an intermediate frequency processing unit, a power supply management unit, a control management unit, a storage unit, a multi-mode positioning signal receiving unit and a WIFI unit. Processing, analyzing and storing the intermediate frequency signals, integrating time marks and position information in the received multimode positioning signals into the acquired signals, controlling and supplying power to each module in the terminal equipment according to set requirements, realizing the self-networking of the terminal equipment, the communication with mobile phone control software and the state feedback of the terminal equipment through a WIFI function, and transmitting the acquired data to a storage medium for storage;
the man-machine interaction module mainly realizes man-machine interaction functions of the equipment, such as on-off, WIFI switching, power state indication, data one-key destruction and the like;
the group battery mainly is the stable power supply of each inside module of signal acquisition terminal, can provide IRC monitoring information etc. for nuclear core plate power state indication simultaneously.
A miniature easy-to-use electromagnetic sensing system comprises front-end electromagnetic sensing equipment, control software and back-end data processing terminal software;
the front-end electromagnetic sensing equipment is loaded with embedded software, monitors the electromagnetic environment of a covered area and finishes data acquisition and storage;
the control software is installed at the mobile phone end and performs data interaction with the front-end electromagnetic sensing equipment through wireless communication; the back-end data processing terminal software is deployed on a computer and carries out off-line analysis on the data acquired by the front-end electromagnetic sensing equipment;
the front-end electromagnetic sensing equipment is respectively connected with the mobile phone end in a bidirectional way through a wireless network and is connected with the computer in a unidirectional way through a data cable; the mobile phone end is also connected with the computer.
As shown in fig. 2, the embedded software is loaded on the core board of the signal acquisition terminal, and mainly completes the driving and function realization of the signal processing terminal hardware, including completing the control interaction with the mobile phone control software and completing the corresponding hardware driving after receiving the task signaling, thereby realizing all functional applications (including frequency band scanning, single frequency point scanning, beidou signal receiving and processing, data acquisition and processing, device self-checking, status monitoring, etc.).
As shown in fig. 3, the control software adopts a C/S application structure, and establishes a link with a signal processing terminal WIFI through a mobile phone, so as to realize bidirectional data and control signaling interaction, and includes an equipment state monitoring module, a task generating module, a task issuing module, a task synchronizing module, and a data destruction module;
and the state monitoring module is used for monitoring states such as a front-end working state, a GPS position, a currently acquired data volume, storage space capacity, battery power and the like by mobile phone control terminal control software under the condition of establishing a link with the signal acquisition terminal WI-FI, and completing operations such as remotely closing equipment, restarting the equipment and the like.
The task generation module is used for controlling software to preset various task templates, and a user can select a task model and make a ZC scene to carry out intelligent recommendation on a task flow so as to generate related task parameters; and a personalized task template can be created through a control interface, and when tasks need to be assigned, the task template can be directly selected to assign the monitoring tasks quickly and conveniently.
The task issuing module is used for issuing a one-key task under the condition that a link is established with the signal acquisition terminal WI-FI after a user determines a task template; the signal acquisition terminal can synchronously analyze and execute after collecting the task signaling.
And the task synchronization module and the mobile phone control terminal can also be connected with a computer with data processing terminal software, and synchronize task parameters and a signal list to be sampled.
And the data destruction module can destroy data on the equipment by one key on the mobile phone APP under the condition of establishing a link with the signal acquisition terminal WI-FI.
As shown in fig. 4, the backend data processing terminal software is deployed on a computer, and can perform multi-dimensional analysis and display of signals on the collected data uploaded to the computer, including a frequency domain monitoring data analysis and display module, a region monitoring data analysis and display module, a time domain monitoring data analysis and display module, and a signal characteristic data analysis and display module;
the frequency domain monitoring data analysis and display module is used for analyzing and displaying frequency domain monitoring data, mainly indicating frequency band scanning data, preliminarily analyzing information such as signal frequency, bandwidth and amplitude through the frequency band scanning data, obtaining frequency band occupancy rate information of an appointed frequency band on a frequency domain through the analyzed signal information, and providing a basis for frequency ZB frequency point assignment; through the acquisition and analysis of multiple monitoring data, a dynamic frequency occupancy analysis chart in the designated frequency band can be counted, and the situation of signal addition and disappearance and the frequency band occupancy of the designated frequency band on different dates can be visually seen through the dynamic frequency occupancy analysis chart.
The system comprises a region monitoring data analysis and display module, wherein region data mainly refers to longitude and latitude information containing time scale information, such as longitude and latitude information in frequency spectrum data, longitude and latitude information of collection points in sample IQ data and the like. The method comprises the steps of marking landmark information on data, analyzing signal information of each spectrum acquisition point in a mobile working mode, establishing a monitoring grid rule with a global unique number by fusing signal data of each acquisition point, carrying out gridding and elementary processing on the mobile monitoring data, carrying out gridding storage on each frame of monitoring data, extracting an amplitude value of each signal on each grid, iteratively calculating the position of a radiation source according to relevance analysis and amplitude change probability, analyzing the distribution situation and the signal coverage situation of the signal, carrying out radiation source positioning and quantity analysis on the signal, and realizing cooperative analysis among multi-device acquisition data.
And the time domain monitoring data analysis and display module is used for analyzing the activity rule and the time occupancy rate of the signal according to the time sequence of the acquired scanning frequency spectrum data.
The method comprises the steps of carrying out time marking on monitoring data stored every time during monitoring, recording the acquisition time of the monitoring data, setting different statistical time intervals through analyzing and processing the data, obtaining time occupancy information and signal activity rule data of signals at different statistical intervals, and accurately mastering the signal emission activity condition through comparing disappearance conditions of the signals at different time intervals. The signal activity law can be represented by a K line graph, namely a line graph which counts the activity condition of a specified signal changing along with time, and the graph represents the time domain activity condition of the signal by taking time as a horizontal axis and taking a level value as a vertical axis.
The signal domain data mainly refers to acquired signal sample IQ data, information such as modulation characteristics, amplitude characteristics, phase characteristics, frequency characteristics, power spectrums and the like of signals can be analyzed through analysis of the IQ data, and multi-dimensional atlas information (such as a signal constellation diagram, an instantaneous frequency diagram, an instantaneous amplitude diagram, a time difference diagram and the like) of the signals of the station can be analyzed through the IQ data according to different signal modulation types and depths required by analysis.
(1) By adopting a miniature broadband matching loading and conformal integrated design mode, the problems of large antenna volume, narrow bandwidth, complex structure and difficult matching are effectively solved, and a foundation is provided for the development of follow-up miniaturized monitoring equipment.
(2) According to the invention, by adopting the modes of self-adaptive power management, template correlation loading (according to a task mode, the detection of a relevant threshold is finished through an MCU (microprogrammed control unit), the dynamic self-adaptive operation of an acquisition link is realized, the ZYNQ low-power-consumption platform application, the micro integrated design and the like, the contradiction between the performance and the power consumption of the small-size electromagnetic sensing equipment is effectively balanced, and the problems of large volume and high power consumption of the traditional monitoring equipment are solved. The design goals of miniaturization and low power consumption of equipment are realized.
(3) The invention solves the contradiction that the man-machine separation operation of the traditional monitoring equipment can not be realized by adopting the design modes of front-end separation, data encryption transmission, data one-key destruction and the like; the concealment and the safety of the equipment used in a sensitive environment are improved, and the military application effect of finely monitoring an unfamiliar region is greatly improved.
(4) According to the invention, through design modes such as simple task planning and loading, efficient data acquisition and storage and the like, the problems of complex operation, narrow application scene and low processing efficiency of the traditional monitoring equipment are solved; the use requirements on non-professionals are effectively reduced, the task scene coverage degree and mars are improved, and the reliability and the safety of data storage are guaranteed.
The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. A miniature easy-to-use electromagnetic sensing system comprises front-end electromagnetic sensing equipment, control software and back-end data processing terminal software; the front-end electromagnetic sensing equipment is loaded with embedded software, monitors the electromagnetic environment of a covered area and finishes data acquisition and storage; the control software is installed at the mobile phone end and performs data interaction with the front-end electromagnetic sensing equipment through wireless communication; the back-end data processing terminal software is deployed on a computer and carries out off-line analysis on the data acquired by the front-end electromagnetic sensing equipment;
the front-end electromagnetic sensing equipment is respectively connected with the mobile phone end in a bidirectional way through a wireless network and is connected with the computer in a unidirectional way through a data cable; the mobile phone end is also connected with a computer;
it is characterized in that the preparation method is characterized in that,
the front-end electromagnetic induction equipment comprises a core board, a built-in broadband conformal antenna, a radio frequency receiver, a man-machine interaction module and a lithium battery pack; the core board is respectively connected with the built-in broadband conformal antenna, the radio frequency receiver, the human-computer interaction module and the lithium battery pack; the built-in broadband conformal antenna is also connected with the radio frequency receiver; the core board comprises an intermediate frequency processing and control management unit, and a power supply management unit, a storage unit, an ADC (analog-to-digital converter) and a WIFI (wireless fidelity) unit which are connected with the intermediate frequency processing and control management unit; the built-in broadband conformal antenna is connected with the WiFi unit; the radio frequency receiver is connected with the ADC converter; the lithium battery pack is connected with the power management unit;
the control software adopts a C/S application structure and comprises an equipment state monitoring module, a task generating module, a task issuing module, a task synchronizing module and a data destroying module; the state monitoring module is used for monitoring the front-end working state, the GPS position, the currently acquired data volume, the storage space capacity and the battery electric quantity state, and completing the operations of remotely closing the equipment and restarting the equipment; the task generation module is used for generating related task parameters through a task model selected by a user; the task issuing module is used for issuing one-key tasks after the user determines the task model; the task synchronization module is used for synchronizing task parameters of data processing terminal software and a signal list to be sampled; the data destruction module is used for destroying data on the front-end electromagnetic induction equipment by one key;
the back-end data processing terminal software is deployed on a computer and comprises a frequency domain monitoring data analysis and display module, a region monitoring data analysis and display module, a time domain monitoring data analysis and display module and a signal characteristic data analysis and display module;
the frequency domain monitoring data analysis and display module is used for analyzing the frequency band scanning data to obtain frequency band occupancy rate information of the specified frequency band on the frequency domain, and counting a dynamic frequency occupancy analysis chart in the specified frequency band;
the regional monitoring data analysis and display module is used for positioning, displaying and quantity analyzing the radiation source of the signal;
the time domain monitoring data analysis and display module is used for analyzing and displaying the activity rule and the time occupancy rate of the signal according to the time sequence of the acquired scanning frequency spectrum data;
and the signal characteristic data analysis and display module is used for analyzing the multi-dimensional map information of the station signal through IQ data.
2. The miniature easy-to-use electromagnetic sensing system according to claim 1, wherein said human-computer interaction module comprises a key and an indicator light; the key and the indicator light are respectively connected with the power management unit in the core board.
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| CN214252437U (en) * | 2020-12-15 | 2021-09-21 | 成都九华圆通科技发展有限公司 | Miniature electromagnetic environment monitoring device |
| CN214375022U (en) * | 2020-12-15 | 2021-10-08 | 成都九华圆通科技发展有限公司 | Miniature electromagnetic environment monitoring system |
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| CN106872799A (en) * | 2017-02-08 | 2017-06-20 | 广州新拓慧电子科技有限公司 | Electromagnetic environment mobile monitoring car |
| US10338118B1 (en) * | 2018-04-12 | 2019-07-02 | Aurora Insight Inc. | System and methods for detecting and characterizing electromagnetic emissions |
| CN112595900A (en) * | 2020-12-15 | 2021-04-02 | 成都九华圆通科技发展有限公司 | Electromagnetic environment monitoring system and method |
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