CN207184496U - A kind of specific region radio signal detection device - Google Patents
A kind of specific region radio signal detection device Download PDFInfo
- Publication number
- CN207184496U CN207184496U CN201720918782.6U CN201720918782U CN207184496U CN 207184496 U CN207184496 U CN 207184496U CN 201720918782 U CN201720918782 U CN 201720918782U CN 207184496 U CN207184496 U CN 207184496U
- Authority
- CN
- China
- Prior art keywords
- signal
- frequency
- control
- slave
- main frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a kind of specific region radio signal detection device, its signal detection unit, for being detected to the wireless signal in specific region；The signal detection unit includes main frame, slave and is connected respectively with main frame and slave to carry out signal control, computing, contrasted by the way that two paths of signals is strong and weak, controller inside and outside distinguishable region, by controller Synchronization Control and carry out data transmission between described main frame and slave；For the primary antenna by carrying out sensing reception to all directions signal and being connected by the first coupler with main frame, the primary antenna is provided at the antenna combining of one or more in detection zone and being evenly distributed in detection zone.The slave antenna to all directions signal by carrying out sensing reception and being connected by the second coupler with slave；The utility model can be rapidly completed the detection capture of radio signal；It can effectively prevent from reporting by mistake by selecting detection range to realize the control of supervision scope.
Description
Technical field
It the utility model is related to technical field of radio, more particularly to a kind of specific region radio signal detection device.
Background technology
The popularization of radio signal meets the requirement to information communication in people's life, but thing followed safety and guarantor
Close requirement just seems that the radio signal detection of specific region is particularly important, such as secrecy place, examination hall etc..How it is accurate really
It is the utility model technical issues that need to address to determine zone boundary.
In prior art, gps satellite location technology is taken, using the known spatial locations of more than three satellites,
With linear intersection in space method, ground point to be located is tried to achieve, but considers the influence of various errors, in order to reach positioning accuracy request,
The satellite of simultaneous observation more than 4 is at least needed, this scheme is adapted to outdoor, indoors substantially without satellite-signal, particularly one
A little meeting rooms and occasion for having particular/special requirement, are not applied to.
TDOA location technologies are taken, the method positioned using the time difference.Monitoring station is reached by measurement signal
Time, it may be determined that the distance of signal source.Using the distance of signal source to each monitoring station, (centered on monitoring station, distance is
Radius is made to justify), it just can determine that the position of signal.But the typically more difficult measurement of absolute time, reached by comparison signal each
The time difference of monitoring station, with regard to that can make using monitoring station as focus, range difference is the hyperbola of major axis, and hyp intersection point is exactly to believe
Number position.But radio signal transmission excessive velocities, information source and monitoring station distance are near, and positioning precision is poor, does not apply to.
It can be seen that low precision in the prior art be present, the technical problem not applied to specific region.
Utility model content
The utility model provides a kind of specific region radio signal detection device, to solve to have essence in the prior art
Degree is poor, the technical problem not applied to specific region.
In a first aspect, the utility model embodiment provides a kind of specific region radio signal detection device, its feature
It is, including with lower component：
Signal detection unit, for being detected to the radio signal in specific region；The signal detection unit bag
Include main frame, slave and be connected respectively with main frame and slave and carry out signal control, computing, contrasted by the way that two paths of signals is strong and weak, area
Controller inside and outside subregion, by controller Synchronization Control and carry out data transmission between described main frame and slave；
Primary antenna to all directions signal by carrying out sensing reception and being connected by the first coupler with main frame, the main day
Line is provided at the antenna combining of one or more in detection zone and being evenly distributed in detection zone；
Slave antenna to all directions signal by carrying out sensing reception and being connected by the second coupler with main frame, the secondary day
Line is provided at the antenna combining of one or more that detection zone is outer and is evenly distributed on outside detection zone.
Alternatively, the main frame and slave, Receiver Module and Base-Band Processing and control supplementary module are included, it is complete
Into Channel Processing, including synchronization, Xie Kuo, demodulation, decode, deinterleave, going to disturb and protocal analysis, network exchange control analysis,
And the processing of Direction Finding Algorithm is carried out to analyzing the signal come.
Alternatively, the Receiver Module includes the RF preselector, radio frequency amplifier, the first mixing being sequentially connected
Device, if bandpas filter, the first intermediate frequency amplifier, the second frequency mixer and frequency-selecting filter, wherein the first frequency mixer and second
Frequency sweep local vibration source is connected between frequency mixer, and the Receiver Module is as independent functional module, built-in high speed micro-control
Device processed, communicated by high-speed serial bus and Base-Band Processing and control supplementary module.
Alternatively, the Base-Band Processing and control supplementary module are combined by two circuit-board cards, and the module is mainly wrapped
Contain：It is responsible for the baseband signal processing unit for being sampled and being handled to analog baseband signal；It is responsible for communicating with host computer, completing to set
The control administrative unit of standby monitoring management；It is responsible for the power subsystem of whole platform power, baseband signal processing unit is included successively
The high-speed A/D conversion circuit of connection, extensive PLD and high speed digital signal processor；High speed analog-to-digital conversion
Circuit is completed to carry out anti-aliasing filter and digitized sampling to the baseband signal of Receiver Module output；It includes being sequentially connected
Anti-aliasing Filter Circuits, analog to digital conversion circuit, be connected with sample frequency generator on analog to digital conversion circuit, believe in high-speed figure
Control auxiliary unit microcontroller is connected with number processor, and it runs embedded Linux system, the outside for management platform
The monitoring of communication interface and equipment state, by Ethernet interface and the communication interaction of host computer, to outside control command or message
Parsed or be transmitted to digital signal processor, realize control of the host computer to RF hardware, the inquiry of module hardware state,
Signal processing results report, and power subsystem is responsible for the conditioning, isolation and filtering of external input power, and generation is suitable to each function
The low noise dc source of unit, the digitized sampling of ABB or intermediate-freuqncy signal is completed, carried out according to special algorithm corresponding
Real-time or non real-time signal analysis and processing, and by result be uploaded to master station or system store.
Alternatively, the instruction that the controller is sent to Base-Band Processing and control supplementary module parses, and is converted
Acted for corresponding hardware controls, realize control of the signal processing unit to RF hardware, simultaneously for rapid frequency-sweeping application, control
Device processed is also responsible for directly controlling wideband frequency synthesizer to complete autonomous frequency sweep setting.
The one or more technical schemes provided in the utility model embodiment, at least have the following technical effect that or excellent
Point：
It is simple in construction in the present embodiment, radio signal can be quickly distinguished in region or outside region, be captured as
Power is high, and it is few to fail to report false；Simultaneously using synchronization, high-speed sampling, multi thresholds real time contrast analysis inside and outside high-precision region；Using
Full band scan, big data storage, the pattern of historical data analysis, Operating Complexity is low, and software and data processing hommization are set
Meter, with reference to above-mentioned advantage, the present embodiment has further the advantage that：
1. it is rapidly completed the detection capture of radio signal.
2. by selecting detection range to realize the control of supervision scope, effectively prevent from reporting by mistake.
3. monitoring mode is flexible, full frequency band monitoring (20MHz-3.6GHz), the monitoring of emphasis frequency range and emphasis business are supported
A variety of monitoring modes such as monitoring；Detection capture selectively can be carried out to other radio signals, such as wireless intercom device, eavesdropping
Device, private communication radio station etc..
4. support multi-signal collection and alarm triggering pattern, such as energy, time, degree.
5. supporting signal library facility, the known signal frequency in place can be demarcated, it is convenient to repeat to detect.
6. the demodulation of FM, AM signal can be realized, there is audio restoring function.
7. support《People's Republic of China's radio frequency division regulation》, each frequency range function can be shown, side
Just unknown signaling investigation when place is detected first.
8. supporting network distribution type to lay mode, the data of all monitoring stations are carried out by monitoring terminal computer real
When gather and analysis, the supervision scope of extended wireless electric signal.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are these
Some embodiments of utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to these accompanying drawings.
Fig. 1 is a kind of specific region radio signal detection device structural representation in the present embodiment；
Fig. 2 is the structural representation of Receiver Module in the present embodiment；
Fig. 3 is the structural representation of Base-Band Processing and control supplementary module in the present embodiment；
Fig. 4 is simultaneous techniques principle schematic in the present embodiment；
Fig. 5 is the structure chart of the present embodiment Computer equipment；
Fig. 6 is the specific wire bond composition of antenna in the present embodiment.
In reference：1. signal detection unit；2. main frame；3. slave；4. controller；5. the first coupler；6. second
Coupler；7. primary antenna；8. slave antenna；9. computer；10. Receiver Module；11. Base-Band Processing and control supplementary module；
12. RF preselector；13. radio frequency amplifier；14. the first frequency mixer；15. if bandpas filter；16. the first intermediate frequency amplifies
Device；17. the second frequency mixer；18. frequency sweep local vibration source；19. High Speed Microcontroller；20. frequency-selecting filter；21. at baseband signal
Manage unit；22 high-speed A/D conversion circuits；23. extensive PLD；24. high speed digital signal processor；It is 25. anti-
Aliasing filter circuit；26. analog to digital conversion circuit；27. sample frequency generator；28. control auxiliary unit microcontroller；29. electricity
Source unit；601. memory；602. processor；603. computer program.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to
The scope of the utility model protection.
Embodiment one
A kind of specific region radio signal detection device is present embodiments provided, refer to Fig. 1-3, described device bag
Include：
Signal detection unit, for being detected to the radio signal in specific region；The signal detection unit bag
Include main frame, slave and be connected respectively with main frame and slave and carry out signal control, computing, contrasted by the way that two paths of signals is strong and weak, area
Controller inside and outside subregion, by controller Synchronization Control and carry out data transmission between described main frame and slave；
Primary antenna to all directions signal by carrying out sensing reception and being connected by the first coupler with main frame, the main day
Line is provided at the antenna combining of one or more in detection zone and being evenly distributed in detection zone；
Slave antenna to all directions signal by carrying out sensing reception and being connected by the second coupler with main frame, the secondary day
Line is provided at the antenna combining of one or more that detection zone is outer and is evenly distributed on outside detection zone.
The main frame and slave, include Receiver Module and Base-Band Processing and control supplementary module, complete channel
Processing, including synchronization, Xie Kuo, demodulation, decode, deinterleave, going to disturb and protocal analysis, network exchange control analysis, it is and right
Analyze the processing that the signal come carries out Direction Finding Algorithm.
The Receiver Module includes RF preselector, radio frequency amplifier, the first frequency mixer, the midband being sequentially connected
Bandpass filter, the first intermediate frequency amplifier, the second frequency mixer and frequency-selecting filter, wherein between the first frequency mixer and the second frequency mixer
Frequency sweep local vibration source is connected with, and the Receiver Module built-in high speed microcontroller, passes through height as independent functional module
Fast universal serial bus and Base-Band Processing and control supplementary module are communicated.
The present embodiment employs software and radio technique system middle width strip IF process scheme, and lower become is carried out repeatedly to radio frequency
Frequency and the intermediate-freuqncy signal that a 20MHz bandwidth is formed by bandpass filter, after carrying out A/D conversion to it, with reference to software wireless
Power technology, Digital IF Processing, including the work such as FFT and demodulation are carried out in DSP.So can greatly it improve
The performance indications of monitoring device simultaneously extend its monitoring function, while also reduce cost, may finally realize connecing for low cost
Receipts machine completes the function that high-grade monitoring device just possesses.
As shown in Fig. 2 Receiver Module explanation
External radio-frequency signal enters receiver through platform " radio frequency inputs (RFInput) " port, first has to pre- by radio frequency
Device is selected, is filtered, high power block signal and image disturbing signal beyond frequency acceptance band is filtered out, prevents in rear class radio frequency
Occur saturation " obstruction " phenomenon in amplifier, occur Image interference phenomenon in Frequency mixing processing.As basic configuration, each frequency band
The RF preselector acquiescence of gear is all low pass filter.Under the complex electromagnetic environments such as electronic countermeasure, the high power letter in band
Number merit attention.These signals can cause receiver to block, and influence to normally receive.In order to solve the above problems, the present embodiment
RF preselector is provided and customizes design service.Can be according to customer demand, there is provided meet " the variable band-pass filter of index
Array " substitutes low pass preselector, to realize the suppression with interior high power block signal.
The output signal of RF preselector, RF variable gain amplifier can be entered, complete necessary signal amplitude conditioning.
Because radio-frequency transmitter overall noise is mainly determined by the noise coefficient of pre-amplifier.Variable gain herein is put
Big device will mainly determine the noiseproof feature of receiver.This amplifier may be configured as high-gain low-noise amplification mode, to obtain most
Good noiseproof feature, complete the optimum reception to pole weak radio-frequency signal；Meanwhile the stage gain adjusts, it is ensured that signal is entering
With optimal mixing level during the first frequency mixer.
Main intermediate frequency (base band) signal for completing to move the radiofrequency signal down coversion in broadband into lower frequency of mixing.
Detailed process slightly difference, but sample two-stage mixing structure because of each frequency band gear difference.First order frequency mixer is in broadband
Under the cooperation of span local oscillator, radiofrequency signal is moved to the first fixed intermediate-frequency channel.The passage can carry out channel filtering and
Amplification, completes superhet narrow-band reception process.Frequency band residing for first intermediate frequency it is higher (>3.6GHz), enough property can not ensured
Digitized sampling processing is done on the premise of energy, it is necessary to further down coversion.Second level frequency mixer can repeat and the first frequency mixer class
As processing procedure, be responsible for the first intermediate-freuqncy signal down coversion.The centre frequency of second intermediate-frequency channel output signal is less than
35MHz, baseband signal processing unit can be sent directly into as baseband signal, complete digitized sampling.For the ease of overlap joint the 3rd
Square baseband processing equipment, the Gain tuning ability that the second intermediate-frequency channel is configured with channelizing filtering and user can set.Filtering is main
For being mixed the unnecessary signals such as spuious product, local oscillator leakage；Gain tuning purpose is to provide foot for follow-up analog-digital converter
Enough sampled signal amplitudes, ensure that transfer process there are enough signal to noise ratio.
Radio frequency reception built-in high speed microcontroller, is believed as independent functional module by high-speed serial bus and base band
Number processing unit is communicated.Microcontroller parses to the instruction that baseband signal processing unit is sent, and is translated into phase
The hardware controls action answered, realizes control of the signal processing unit to RF hardware.For rapid frequency-sweeping application, microcontroller is also
It is responsible for directly controlling wideband frequency synthesizer to complete autonomous frequency sweep setting.
High-speed A/D conversion circuit is completed to carry out anti-aliasing filter to base band (intermediate frequency) signal of Receiver Module output
And digitized sampling.The highest sampling rate of original sampling data is up to 14bit up to 100MHz, precision.It is specific in order to coordinate
User's request, sample frequency occur circuit can be adjusted within the specific limits with 1Hz precision, do through FPGA and become under numeral
Baseband vector (I/Q) signal is exported after frequency, to simplify rear class digital signal processing.
For the consideration of real-time, the digital sample data that analog to digital conversion circuit 28 exports will be by extensive FPGA
(FPGA) circuit is done directly collection, and the process of sample frequency generator and sample collection is by high speed digital signal processor
(DSP) control, particular sample rate, the sampling of particular moment, specific points can be completed by the programming to DSP.For most
The sampled data being collected into eventually, DSP are read big outside DSP piece by the high speed local bus between FPGA with dma mode
Capacity internal memory, further to be handled.
Fig. 3
The Base-Band Processing and control supplementary module are combined by two circuit-board cards, and the module mainly includes：It is responsible for
The baseband signal processing unit for being sampled and being handled to analog baseband signal；It is responsible for communicating with host computer, completing monitoring of tools
The control administrative unit of management；It is responsible for the power subsystem of whole platform power, baseband signal processing unit includes what is be sequentially connected
High-speed A/D conversion circuit, extensive PLD and high speed digital signal processor；High-speed A/D conversion circuit is complete
The baseband signal of paired Receiver Module output carries out anti-aliasing filter and digitized sampling；What it included being sequentially connected resists mixed
Filter circuit, analog to digital conversion circuit are folded, sample frequency generator is connected with analog to digital conversion circuit, in high-speed digital video camera
Control auxiliary unit microcontroller is connected with device, and it runs embedded Linux system, and the PERCOM peripheral communication for management platform connects
The monitoring of mouth and equipment state, by Ethernet interface and the communication interaction of host computer, is solved to outside control command or message
Digital signal processor is analysed or be transmitted to, realizes control of the host computer to RF hardware, the inquiry of module hardware state, at signal
Reason result reports, and power subsystem is responsible for the conditioning, isolation and filtering of external input power, produces suitable for each functional unit
Low noise dc source.The digitized sampling of ABB or intermediate-freuqncy signal is completed, is carried out according to special algorithm corresponding real-time
Or Non-real time signals analyzing and processing, and result is uploaded to master station or stored in system.
Base-Band Processing and control supplementary module 11 are combined by two circuit-board cards, and board is positioned in metal shielding box
Form independent functional unit.Its core circuit is high performance broadband superhet, below figure.According to receiving ability point
For two gears：20MHz-1.5GHz、 20MHz-3.6GHz.
Alternatively, the instruction that the controller is sent to Base-Band Processing and control supplementary module parses, and is converted
Acted for corresponding hardware controls, realize control of the signal processing unit to RF hardware, simultaneously for rapid frequency-sweeping application, control
Device processed is also responsible for directly controlling wideband frequency synthesizer to complete autonomous frequency sweep setting.Realize Whole frequency band (20MHz-3000MHz)
Quick scanning, sweep speed meet the demand that seamless capture is carried out to transient signal up to 10GHz/s (@RBW=25kHz).
Embodiment two
The utility model provides a kind of specific region radio signal detection method, it is characterised in that methods described bag
Include：
The radio signal of controller while Receiving Host and slave, after Synchronization Analysis, contrast signal is strong and weak, distinguishes
Inside and outside region.
Alternatively, the Synchronization Analysis main frame and the synchronous collection method of estimation include：Main frame needs to wait for slave and prepared
Cheng Hou, " starting to scan " instruction is uniformly assigned, then major and minor machine completes a frame sampling simultaneously, and stops, and treats both sides at completion
Manage and it is ready after, continue " scanning ".
Alternatively, methods described includes：Host signal intensity is more than slave signal intensity, determines radio signal in region
It is interior；Host signal intensity is less than slave signal intensity, determines radio signal outside region.If radio signal is in region
It is interior, alarm；If radio signal outside region, excludes the detection to the signal automatically.
The present embodiment also discloses a kind of method of specific region radio signal detection, it is characterised in that based on above-mentioned
Wide intermediate frequency software radio receiver technology, to reach the target that closely-spaced full frequency band quickly scans, therefore enters with the following method
One step improves speed：
(1) fast frequency spectrum assessment algorithm
Set according to multi-threshold, constant duration is sampled, preserve results of intermediate calculations, Synchronization Analysis calculates, real-time report
As a result flow, the mathematics algorithms such as Sampling, probability statistics, regression analysis, minimum cladding process have been used in this flow, can
Greatly to improve the speed of spectral estimation analysis, meet the needs of real-time measurement system, it is sharp in hardware computation, result report
Corresponding service logical calculated is carried out to initial data with FPGA and DSP, allows hardware processing element to be completed according to specified scheme pre-
Work is handled, processing parameter can be issued modification by host computer, result data finally be reported into host computer, in Synchronization Analysis
First have to choose a high steady clock source during calculating as synchronous triggering signal, connected by long range shielding line, connected to reduce
Interference in line, take reliable level synchronization mode.Master and slave receiver is set, and synchronous flowage structure is：Main receiver
Receive synchronous preparation instruction post processing wait state, trigger pulse of the cycle detection from receiver；Receive from receiver and synchronously sweep
After retouching instruction, main receiver trigger pulse is transmitted to while scanning, main frame completes single pass after receiving, and waits next time
Trigger signal；After completing with once triggering, two receivers each report the data for adding timestamp, and main frame can be by transmission delay
Deduct.
Embodiment three
For convenience of description, Fig. 5 illustrate only the part related to the utility model embodiment, and particular technique details is not taken off
Show, refer to the utility model embodiment method part.A kind of computer equipment, including memory 601, processor 602 and
The computer program 603 that can be run on memory 601 and on processor 602 is stored in, the processor 602 performs described
Following steps are realized during program wherein, memory 601 is used to store software program and module, and processor 602 is held by operation
Row is stored in the software program and module of memory 601, so as to perform at the various function application and data of mobile terminal
Reason.Memory 601 can mainly include storing program area and storage data field, wherein, storing program area can storage program area, extremely
Application program needed for few One function etc.；Storage data field can store uses created data according to computer equipment
Deng.The control centre of the mobile communication terminal of processor 602, utilize each of various interfaces and the whole mobile communication terminal of connection
Individual part, by running or performing the software program and/or module that are stored in memory 601, and call and be stored in storage
Data in device 601, the various functions and processing data of mobile phone are performed, so as to carry out overall prison to mobile phone
Control.Optionally, processor 602 may include one or more processing units.
Example IV
As shown in fig. 6, in specific works, by black triangle antenna combining in region, primary antenna is formed, by outside region
Hollow triangle antenna combining, slave antenna is formed, is coupled with major and minor machine, signal control, computing are carried out by controller, passed through
Two paths of signals is strong and weak to be contrasted, inside and outside distinguishable region.
The various change mode and instantiation of the method for specific region radio signal detection in embodiment two are same
Suitable for the computer equipment of the present embodiment, by the detailed description of the foregoing method detected to specific region radio signal,
Those skilled in the art are clear that the computer equipment in the present embodiment, thus it is succinct for specification, herein
No longer it is described in detail.
Claims (5)
1. a kind of specific region radio signal detection device, it is characterised in that including with lower component：
Signal detection unit (1), for being detected to the radio signal in specific region；The signal detection unit (1)
The control of progress signal, computing are connected respectively including main frame (2), slave (3) and with main frame (2) and slave (3), are believed by two-way
Number strong and weak contrast, the controller (4) inside and outside distinguishable region are synchronous by controller (4) between described main frame (2) and slave (3)
Control and carry out data transmission；
Primary antenna (7) to all directions signal by carrying out sensing reception and being connected by the first coupler (5) with main frame (2), institute
State primary antenna (7) and be provided at the antenna combining of one or more in detection zone and being evenly distributed in detection zone；
Slave antenna (8) to all directions signal by carrying out sensing reception and being connected by the second coupler (6) with slave (3), institute
State slave antenna (8) and be provided at the antenna combining of one or more that detection zone is outer and is evenly distributed on outside detection zone.
A kind of 2. specific region radio signal detection device according to claim 1, it is characterised in that the main frame
(2) and slave (3), include Receiver Module (10) and Base-Band Processing and control supplementary module (11), complete at channel
Reason, including synchronization, Xie Kuo, demodulation, decode, deinterleave, going to disturb and protocal analysis, network exchange control analysis, and to point
The signal separated out carries out the processing of Direction Finding Algorithm.
3. a kind of specific region radio signal detection device according to claim 2, it is characterised in that the radio frequency connects
Receive module (10) include be sequentially connected RF preselector (12), radio frequency amplifier (13), the first frequency mixer (14), intermediate frequency band logical
Wave filter (15), the first intermediate frequency amplifier (16), the second frequency mixer (17) and frequency-selecting filter (20), wherein the first frequency mixer
(14) frequency sweep local vibration source (18) is connected between the second frequency mixer (17), and the Receiver Module (10) is as independent
Functional module, built-in high speed microcontroller (19), entered by high-speed serial bus and Base-Band Processing and control supplementary module (11)
Row communication.
4. a kind of specific region radio signal detection device according to claim 2, it is characterised in that at the base band
Reason and control supplementary module (11) are combined by two circuit-board cards, and the module mainly includes：It is responsible for analog baseband signal
The baseband signal processing unit (21) for being sampled and being handled；The control of the responsible monitoring of tools management that communicates, completes with host computer
Administrative unit；It is responsible for the power subsystem (29) of whole platform power, baseband signal processing unit (21) includes the height being sequentially connected
Fast analog to digital conversion circuit (22), extensive PLD (23) and high speed digital signal processor (24)；High speed analog-digital conversion
Change-over circuit (22) is completed to carry out anti-aliasing filter and digitized sampling to the baseband signal of Receiver Module (10) output；Its
Including Anti-aliasing Filter Circuits (25), the analog to digital conversion circuit (26) being sequentially connected, it is connected with and adopts on analog to digital conversion circuit (26)
Sample frequency generator (27), control auxiliary unit microcontroller (28) is connected with high speed digital signal processor (24), and it is transported
Row embedded Linux system, for the monitoring of the external communication interface and equipment state of management platform, by Ethernet interface with it is upper
The communication interaction of position machine, is parsed or is transmitted to digital signal processor to outside control command or message, realize host computer
The inquiry of control, module hardware state to RF hardware, signal processing results report, and power subsystem (29) is responsible for outside defeated
Enter the conditioning, isolation and filtering of power supply, produce the low noise dc source suitable for each functional unit.
A kind of 5. specific region radio signal detection device according to claim 2, it is characterised in that the controller
(4) instruction sent to Base-Band Processing and control supplementary module (11) parses, and is translated into corresponding hardware controls and moves
Make, realize control of the signal processing unit to RF hardware, simultaneously for rapid frequency-sweeping application, controller (4) is also responsible for directly
Control wideband frequency synthesizer to complete autonomous frequency sweep to set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720918782.6U CN207184496U (en) | 2017-07-27 | 2017-07-27 | A kind of specific region radio signal detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720918782.6U CN207184496U (en) | 2017-07-27 | 2017-07-27 | A kind of specific region radio signal detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207184496U true CN207184496U (en) | 2018-04-03 |
Family
ID=61737731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720918782.6U Active CN207184496U (en) | 2017-07-27 | 2017-07-27 | A kind of specific region radio signal detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207184496U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112448777A (en) * | 2019-09-05 | 2021-03-05 | 福建灵信信息科技有限公司 | Multifunctional wireless signal detection method |
-
2017
- 2017-07-27 CN CN201720918782.6U patent/CN207184496U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112448777A (en) * | 2019-09-05 | 2021-03-05 | 福建灵信信息科技有限公司 | Multifunctional wireless signal detection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103439686B (en) | Single channel radio direction-finding system | |
| CN109143218B (en) | Lightning positioning system and lightning positioning method based on VHF radar | |
| CN111044971A (en) | Two-dimensional interferometer direction finding system | |
| CN107861095A (en) | A kind of single radio-frequency channel two dimensional wireless electricity direction-finding system | |
| CN1963545A (en) | Apparatus and method for testing standing wave of multi-antenna radio-frequency signal | |
| CN107239611B (en) | Vector signal analysis device and method | |
| CN102083090A (en) | Method and device for positioning interference source | |
| CN104635062B (en) | A kind of electromagnetic radiation from environment monitors system | |
| CN103490784A (en) | Two-channel satellite navigation anti-interference A/D chip | |
| CN208820791U (en) | A kind of onboard wireless pyroelectric monitor system | |
| CN107241151A (en) | A kind of specific region radio signal detection device and method | |
| CN207184496U (en) | A kind of specific region radio signal detection device | |
| CN101431826A (en) | Cell carrier wave tracing method and system for GSM system | |
| CN107949012A (en) | Base station information acquiring method and apparatus | |
| CN107613504A (en) | The method of testing of communication test instrunent and multi-communication standard signal | |
| CN205880195U (en) | Radio direction finding system | |
| CN106374946B (en) | A kind of receiver radio frequency panoramic scanning circuit | |
| CN1980100B (en) | Real-time continuous wide-band wire-less transmitting detection method and apparatus | |
| CN107426685A (en) | A kind of method and apparatus for obtaining multimode location fingerprint data storehouse | |
| CN110794361A (en) | Binary channels ta kang signal reconnaissance device | |
| CN101283293B (en) | Lightning detection | |
| CN206497212U (en) | Unmanned plane detection system and unmanned plane based on digital array | |
| CN202856743U (en) | Double-system portable radio direction finding device | |
| CN114079516B (en) | DVOR air signal test analysis system based on unmanned aerial vehicle and ZYNQ | |
| CN213717065U (en) | Automatic tracking system for satellite communication high-precision antenna |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |