CN207799062U - Reconnaissance radar simulated target detection device - Google Patents
Reconnaissance radar simulated target detection device Download PDFInfo
- Publication number
- CN207799062U CN207799062U CN201820049915.5U CN201820049915U CN207799062U CN 207799062 U CN207799062 U CN 207799062U CN 201820049915 U CN201820049915 U CN 201820049915U CN 207799062 U CN207799062 U CN 207799062U
- Authority
- CN
- China
- Prior art keywords
- module
- circuit
- radar
- frequency
- clock
- 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 reconnaissance radar simulated target detection device, device includes main system control module, power management module, clock module, digital baseband transmission system module, voltage test module, waveform testing module, spectrum analysis module, radar mean frequency conditioning module and radar millimeter wave test accessories；Main system control module is connected with digital baseband transmission system module, voltage test module, digital baseband transmission system module is respectively connected with waveform testing module, spectrum analysis module, radar mean frequency conditioning module, spectrum analysis module includes connected receiving portion and local oscillator part, and power management module is independently connected with spectrum analysis module, voltage test module, waveform testing module and clock module respectively；High steady clock module is connected with digital baseband transmission system module and spectrum analysis module, and technical solutions of the utility model quickly can completely test the overall performance of reconnaissance radar, effectively improve the detection accuracy and integrality of reconnaissance radar.
Description
Technical field
The utility model is a kind of reconnaissance radar simulated target detection device, belongs to test field of measuring technique.
Background technology
Reconnaissance radar is a millimeter wave electric scanning active phased array radar, can vehicle-mounted work can also make on ground
It is worked with tripod.Comprehensive target situation can not only be monitored, while the implementation of the target in region-of-interest can be scouted,
High precision tracking, enemy and we's inquiry and target danger level judge, and can to command system real-time report coordinates of targets information, from
And guide firepower to threatening target to implement strike.The Measuring error platform for establishing automated intelligent is the head for meeting Reconnaissance Equipment construction
Target is wanted, to realize this target, undoubtedly more stringent requirements are proposed to the maintenance support of Reconnaissance Equipment.Therefore, accomplish to scout
System Construction and system maintenance ensure synchronized development.Reconnaissance radar equipment includes the kind equipment such as radar host computer, tripod, battery.
It is often equipped with there are two types of support methods, first, implementing online in situ detection to gadget on scout car, second is that radar is filled
It is standby to be removed from scout car, implement online in situ detection.Test not only needs a variety of instrument toolings, also departing from practical work
Make use environment, being many failures can not in time be found by situ.In the wild under condition of battlefield, equipment is accused in quickly test
State quality is that base level equipment Safeguard needs completing for task.
Utility model content
Technical problem to be solved in the utility model is the deficiency for above-mentioned background technology, provides a kind of magnetic suspension
More Fans are integrated into a module by air blower multi-connected unit control system and its control method, and host computer directly judges to open several
Fans export how many flow, and the start and stop of air blower are controlled with this, and human cost and power consumption are saved for client.
The utility model is to realize that above-mentioned purpose of utility model adopts the following technical scheme that：
Reconnaissance radar simulated target detection device, described device include main system control module, power management module, clock mould
Block, digital baseband transmission system module, voltage test module, waveform testing module, spectrum analysis module, radar mean frequency improve mould
Block and radar millimeter wave test accessories；Wherein connection relation is as shown in Figure 3.
The main system control module is connected with digital baseband transmission system module, voltage test module, electric measurement chip
Voltage measurements are sent to main system control module, then are carried out by main system control module and digital baseband transmission system module
Information exchange；
The digital baseband transmission system module and waveform testing module, spectrum analysis module, radar mean frequency conditioning module
It is respectively connected with, the waveform testing module realizes that the time-domain analysis to arbitrary wave signal, the spectrum analysis module include being connected
Receiving portion and local oscillator part, be used for radiofrequency signal frequency-domain analysis, and complete radio frequency signal amplitude analysis calculate；
The power management module respectively with spectrum analysis module, voltage test module, waveform testing module and clock mould
Block is independently connected, and is that each module is independently-powered；
The high steady clock module is connected with digital baseband transmission system module and spectrum analysis module.
Further, the detection device is scout car electro-optical system reconnaissance radar, detection device for the radar of test
It is internally integrated simulated target information and real-time playback, quickly detects reconnaissance radar target location accuracy.
Further, the voltage test module includes protection circuit, channel selection circuit, signal processing circuit, function
Selection and channel selection control circuit, power supply circuit, isolation circuit, power reference circuit, governor circuit, ac rectifier,
Clock generation circuit, wherein the front end that protection circuit is inputted as signal inhibits overshoot signal and big voltage, high current letter
Number, rear class channel circuit is effectively protected；
The signal processing circuit is selected with function and channel selection control circuit is connected, and signal controls electricity through channel selecting
Road is connected with isolation circuit, and isolation circuit is connected with ac rectifier, and signal is finally sent to governor circuit, by Algorithm Analysis
It is sent to main system control module with calculating；
The power supply circuit provides power supply for each circuit of entire module, and clock generation circuit generates what governor circuit needed
Clock signal.
Further, the digital baseband transmission system module includes that clock circuit, A/D analog to digital conversion circuits, SATA are deposited
Store up disk, FPGA circuitry, usb circuit and power-switching circuit, wherein clock circuit and A/D analog to digital conversion circuits and FPGA electricity
Road connects, and SATA storage looping data bus is connect with FPGA circuitry, and usb circuit is connect with FPGA circuitry,
The spectrum analysis module includes receiving portion and local oscillator two parts circuit, before the receiving portion is by receiver
End, the first frequency conversion, the second frequency conversion, third frequency conversion and third intermediate frequency modulate circuit composition；Local oscillator part includes the first local oscillator, second
Local oscillator and third local oscillation circuit composition；Wherein, receiver front end is connect with the input terminal of the first frequency conversion, the output of the first frequency conversion with
The input of second frequency conversion connects, and the output of the second frequency conversion is connect with third intermediate frequency modulate circuit；The input of second local oscillator and first
The output of local oscillator is connected, and output is connected with the input of third local oscillator.
Further, the radar mean frequency conditioning module includes data converting circuit, D/A analog to digital conversion circuits, filtered electrical
Road, local oscillation circuit, program-controlled attenuator circuit and clock circuit, wherein data dress changes circuit and D/A analog to digital conversion circuits, D/A moduluses
Conversion circuit is connected with filter circuit, local oscillation circuit respectively, and filter circuit is connected with program-controlled attenuator circuit, clock circuit and D/A
Analog to digital conversion circuit is connected.
The utility model proposes reconnaissance radar equipment digital interface protocol emulation test method and detection device, design side
Case has the following advantages：
（1）Method for rapidly testing with reconnaissance radar equipment；
（2）Online in situ detection technology is equipped with reconnaissance radar；
（4）The ability that repair is suggested is positioned and provided with fast failure；
（5）With complete Chinesizing display, man-machine interface is friendly, easy to operate the characteristics of waiting intelligence instruments.
Description of the drawings
Fig. 1 is Reconnaissance Equipment testing requirement schematic diagram used by the utility model；
Fig. 2 is Reconnaissance Equipment test method schematic diagram used by the utility model；
Fig. 3 is reconnaissance radar detection device functional schematic used by the utility model；
Fig. 4 is reconnaissance radar detection device simulated target detection function schematic diagram used by the utility model；
Fig. 5 is reconnaissance radar detection device radar mean frequency conditioning module functional schematic used by the utility model；
Fig. 6 is Reconnaissance Equipment test method and realization device software flow pattern used by the utility model；
Wherein, 1- main system control modules, 2- low-power dissipation power supply management modules, the steady clock modules of 3- high, 4- digital basebands letter
Number processing module, 5- voltage test modules, 6- waveform testing modules, 7- spectrum analysis modules, 8- radar mean frequency conditioning modules；
31- data ports, the channels 32- 1, the channels 33- 2,34-COM, the input of 35- radio frequencies, the output of 36- intermediate frequencies, 37- triggerings are same
Step, the program-controlled attenuation modules of 38-v/ Ω, 39-4G, 40- receiver modules, 41- local oscillator synthesis modules, 42- Keyboard Controls and signal
Indicating module, 43- key-press modules；
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
The all other embodiment obtained, shall fall within the protection scope of the present invention.
The utility model embodiment provides a kind of reconnaissance radar simulated target detection device, that is, Reconnaissance Equipment quick in situ survey
The device of examination is capable of the working condition, functions of the equipments, performance technologies index of in situ detection Reconnaissance Equipment.The utility model is implemented
Example also provides corresponding realization detecting system.It is described in detail separately below.
The utility model detection device includes：Main system control module 1, low-power dissipation power supply management module 2, high steady clock module
3, digital baseband transmission system module 4, voltage test module 5, waveform testing module 6, spectrum analysis module 7 and radar mean frequency tune
Module 8 is managed, the relationship between module is shown in Fig. 3.
Main system control module 1：Main system control module 1 requires Chinesizing display completely, and man-machine interface is friendly, easy to operate
Etc. functions.
Main system control module 1 has the characteristics that low-power consumption, open, easy extension, mainly by low power processor, true colour display screen
The compositions such as display screen, touch screen, FPGA, power supply unit.Main control device is the OMAP3730 low power processors of TI, and dominant frequency is
1000MHz.OMAP3730 processors include two CPU in a package, and high-end Cortex-A8 ARM CPU can be with
For operating system and application program, another TMS32064x DSP may be used as Digital Signal Processing.OMAP3730 processors
The interfaces such as GPMC, USB, RS232, RS485 and GPIO can be expanded.Processor is configured with the Mobile of 1 256MB
The Nand Flash chips of DDR, 512MB.When application program is in normal or waiting operation, the Mobile DDR of low-voltage have
Low-down power consumption.Network interface uses LAN9220 network controllers.TPS65930 as power supply managing, keyboard interface and from
USB interface chip.Electric resistance touch screen uses TSC2046 touch screen controllers；Display is using the very color liquid crystal of 8 cun of 800 × 600 TFT
Screen, and liquid crystal display power consumption is greatly reduced instead of inverter using LED backlight.OMAP3730 main system control modules 1 configure
WinCE6.0 operating systems.
Low-power dissipation power supply management module 2：To meet EMC Requirements, design EMI filter circuit is to input dc power
Source carries out EMI filtering, defends logical detector for radar and provides high quality power supply, while preventing EMI interference system normal operations.
Power converting circuit carries out the conversion of DC-DC, realizes high efficiency, low-power consumption is respectively frequency spectrum by switching
Analysis module 7, voltage test module 5, waveform testing module 6 and high steady clock module 3 are independently-powered.
Control circuit and output monitoring circuit joint-monitoring simultaneously carry out power management, provide monitoring temperature and management, low temperature
Start heating, high temperature alarm, each road power supply output monitoring, alarm prompt provide necessary safeguard measure for power converting circuit.
High steady clock module 3：High temperature clock module selects the PFOC17 series constant-temperature crystal oscillators of Chengdu black earth, the typical case of crystal oscillator
Index：Annual aging characteristic ± 0.1ppm, phase noise -145dBc/Hz@1kHz, -150dBc/Hz@10kHz；When crystal oscillator passes through output
Clock distributor circuit, the clock distribution chip through special low jitter will clock output signal be distributed into multichannel all the way and plurality of level is patrolled
Volume, give modules.Calibration circuit is made of the voltage reference of DA digital-to-analogue conversions and low excursion with temperature low-voltage noise, is passed through
DA adjusts the numerical control of constant-temperature crystal oscillator the intelligence and sequencing for realizing clock alignment.
Digital baseband transmission system module 4：Power-switching circuit is filtered by the direct current 24V voltages of input, be converted to+
5V ,+3.3V etc. meet 4 power demands of digital baseband transmission system module, and to meet Electro Magnetic Compatibility and reliability, power supply turns
It changes chip and is all made of linear stabilized power supply, have the characteristics that output accuracy is high, ripple is low.Clock circuit is mainly by crystal oscillator and driving
Circuit forms, and is that digital processing circuit FPGA and spectrum analysis module 7 provide clock reference signal.SATA disk uses military solid-state
Hard disk, have it is small, transmission speed is fast, meet high/low temperature work index request.Fpga chip supports dynamic load, according to
Different configuration files is dynamically loaded into fpga chip by the demand under different test patterns by USB interface.FPGA is configured
Circuit is mainly made of microcontroller and CPLD, and fpga chip selects serial 9,500,000 high-performance of the Virtex-5 of Xilinx companies
FPGA.Digital signal processing circuit major function be FPGA by bus mode and main system control module 1GPMC bus interface into
Row data communication, big data quantity interacts between FPGA and main system control module 1 when realizing spectrum measurement.It is logical to be carried out at the same time serial ports
Letter realizes the control function to other modules in equipment by the order that interface serial ports is sent.
Radar mean frequency simulates the operation principle of the base band data storage of source signal：Main system control module 1 controls FPGA, passes through
Canned data in SATA disk is carried out format conversion and coding by high-speed serial bus, is sent to by chirped data format
Radar mean frequency conditioning module 8.
The operation principle of frequency spectrograph Digital IF Processing：The analog if signal and clock that spectrum analysis module 7 is provided
Signal carries out single-ended transfer difference processing, and respectively as signal to be sampled and sampling clock, differentiated intermediate-freuqncy signal carries out modulus
After conversion, the digital signal of ADC conversions is read by FPGA, the DSP in FPGA and main system control module 1 carries out digital signal and adopts
Collection, FFT transform realize the analysis to radiofrequency signal frequency domain.
Voltage test module 5：Governor circuit by USB port receive main system control module 1 instruction after, to function selection and
Channel selection control circuit is operated, to control electric measurement special chip and channel selection circuit, realize to gear and
The switching of range and the corresponding switching for measuring access.It is special that signal enters electric measurement after signal processing circuit is handled
With chip, electric measurement special chip send the data measured to the number that will be received to governor circuit, governor circuit by serial ports
It stored, handled, shown according to being sent to main system control module 1 by USB interface, to realize the measurement to voltage.In circuit
Signal processing circuit use precision for 1% precision resistance, electric measurement special chip be high-performance, low-power consumption, band microprocessor
Chip, inside includes analog/digital converter, 8-bit microprocessor, low noise high stable operational amplifier, to greatly improving
Measurement accuracy.
Waveform testing module 6：Waveform testing module 6 realizes the time-domain analysis to arbitrary wave signal, and to input signal
Frequency and amplitude measure, and by the acquisition and processing of the complete pair signals of FPGA, the data of test are transmitted to master by bus
Control unit.Preposing signal process circuit supports that the frequency range of signal input is DC~100MHz, meets the 80MHz in technical indicator.
Analog-to-digital conversion is realized using 2 AD9288 chips, the sampling clock of AD is the 200MHz clocks that FPGA phaselocked loops provide per channel
Signal, the sampling clock phase in four channels of two panels AD differ 90 degree carry out alternating samplings after, then sampled data is spliced and is existed
Together, sampling rate is improved 2 times, to meet the sample rate requirement of 400MHz.Logic control circuit is mainly controlled by FPGA
Signal path switching, range switching and triggering model selection processed etc..Clock circuit is mainly responsible for the work clock for generating FPGA
With the sampling clock of AD, FPGA changes the command word of internal PLL, AD is made to be directed to the signal of different frequency according to different when bases
Reach best sampled value.Frequency measurement circuit is mainly made of quick comparison circuit and level adjusting circuit, can fast and accurately be surveyed
Try the frequency values size of current channel.Measuring accuracy can control within 3%, and radio frequency bandwidth can reach 100MHz, can be full
It is required in sufficient technical indicator.
Spectrum analysis module 7：Receiving portion is by receiver front end, the first frequency conversion, the second frequency conversion, third frequency conversion and third
Frequency modulate circuit forms.Receiver front end：In order to protect frequency mixer and be at optimum Working, need to be declined by preposition
Subtract device suitably to decay to big radio-frequency input signals.Receiver is divided into two frequency ranges of 100KHz~3GHz and 3~4GHz, leads to
Cross RF switch switching channel and respectively by the bandpass filter of the low-pass filter of DC~3GHz and 3~4GHz to outer letter
Number it is isolated.
First frequency changer circuit relevant design：First frequency-variable module is divided into 2 frequency range channels, and 100KHz~3GHz frequency ranges go out
Consider in the Out-of-band rejection characteristic of 100KHz~3GHz low-pass filters and the realizability of the first local frequency range, in first
Frequency is determined as 3490MHz, and the of the radiofrequency signals of 100KHz to 3GHz frequency ranges and 3490MHz to 6490MHz frequency ranges
One local oscillation signal transforms to 3490MHz through the first frequency mixer, filters out the spuious of mixing by bandpass filter, is compensated through low noise
The second frequency changer circuit is input to after conversion loss；3~4GHz frequency ranges are converted convenient and become frequency ratio demand for two local oscillators, the
One intermediate frequency is determined as 1860MHz, radiofrequency signal and 4860MHz to the 5860MHz frequency ranges of 3GHz to 4GHz frequency ranges
First local oscillation signal transforms to 1860MHz through the first frequency mixer, and the spuious of mixing is filtered out by bandpass filter, with 100KHz~
3GHz frequency ranges are input to the second frequency changer circuit after sharing low noise.
Second frequency conversion and third frequency changer circuit relevant design：Second frequency conversion and third frequency changer circuit are relatively easy, need full
Foot is certain to be become frequency ratio, considers for the terseness of local oscillator synthetic schemes and the principle of bandpass sampling, determines second and the respectively
Three intermediate frequencies are 237.5MHz and 37.5MHz.Wherein it is to two local frequencies used when the progress frequency conversion of mono- intermediate frequencies of 3490MHz
3252.5MHz, it is 1627.5MHz to carry out two local frequencies used when frequency conversion to mono- intermediate frequencies of 1865MHz, is two local oscillators
The two divided-frequency of 3255MHz.It needs to carry out enough conversion loss compensation in each frequency conversion and signal is filtered；Frequency modulation in third
Reason circuit is the important link for determining frequency spectrograph level indication range, need to design multistage variable gain amplifier（Including level school
Quasi- amplifier）, to meet complete machine amplitude calibration and show the function of level adjustment.
Local oscillator part include the first local oscillator, the second local oscillator and third local oscillator, the first local frequency be designed as 3490MHz~
6490MHz, frequency stepping 5MHz, and the level for meeting driving frequency mixer can be exported；Second local frequency is designed as
3252.5MHz~3257.5MHz, and the level for meeting driving frequency mixer can be exported；Third local frequency is designed as 200MHz,
And the level for meeting driving frequency mixer can be exported.Spectrum analysis module 7 is using based on scanning tuning superhet spectrum analysis
The super-heterodyne architecture of instrument has merged the Digital Signal Processing of FFT spectrum analyzer.
Radar mean frequency conditioning module 8：The data generated by Matlab emulation are stored in SATA disk by data converting circuit
In, master control and the read-write of display module control data, FPGA is by high-speed serial bus by the data in SATA disk into row format
Conversion and coding, generate chirped modulated signal, the data in SATA disk are sent in AD by way of playback, together
When FPGA control digital phase-locked loop generate 61~69MHz linear FM signal, AD output two-pass DINSAR analog signal switch to
It is modulated on local oscillation signal after single-ended, filtering, forms linear FM signal, FPGA controls adjustable damping chip controls signal level
The power of amplitude.
As shown in Figure 1 and Figure 2, the workflow of above-mentioned detection device is：
1) Detection task of certain specific model Reconnaissance Equipment is received；
2) display control program selectes the adapter of test interface type and tests cable and attachment according to equipment model,
And according to the sequence after optimized, tested tissue flow；
3) working condition of reconnaissance radar is known according to the self-detection result of reconnaissance radar terminal or by controlling program；
4) start test bootstrap to select corresponding testing process according to expert's fault database, responded according to prompt
Operation and detection；
5) it is guided according to test, calls test module to measure reconnaissance radar key signal point, detect its index
Degree of conformity and correctness；
6) abnormal module guide maintenance personnel are directed to and carry out alternate maintenance, until trouble shooting.
The flow chart of above-mentioned test is shown in Fig. 6.
It should be noted that the contents such as information exchange, implementation procedure between each unit in above-mentioned apparatus and system, by
In being based on same design with the utility model embodiment of the method, particular content can be found in chatting in the utility model embodiment of the method
It states, details are not described herein again.
The reconnaissance radar provided above the utility model embodiment equips method for rapidly testing in situ and detection device,
It being described in detail, specific case used herein is expounded the principles of the present invention and embodiment, with
The explanation of upper embodiment is merely used to help understand the method and its core concept of the utility model；Meanwhile for this field
Those skilled in the art, according to the thought of the utility model, there will be changes in the specific implementation manner and application range, comprehensive
Upper described, the content of the present specification should not be construed as a limitation of the present invention.
Claims (6)
1. reconnaissance radar simulated target detection device, which is characterized in that described device includes main system control module, power management mould
Block, clock module, digital baseband transmission system module, voltage test module, waveform testing module, spectrum analysis module, radar
Intermediate frequency conditioning module and radar millimeter wave test accessories；
The main system control module is connected with digital baseband transmission system module, voltage test module, and electric measurement chip will be electric
Pressure measurement result is sent to main system control module, then by main system control module and digital baseband transmission system module into row information
Interaction；
The digital baseband transmission system module is distinguished with waveform testing module, spectrum analysis module, radar mean frequency conditioning module
It is connected, the waveform testing module realizes the time-domain analysis to arbitrary wave signal, and the spectrum analysis module includes connected connects
Receiving portions and local oscillator part, are used for the frequency-domain analysis of radiofrequency signal, and the analysis for completing radio frequency signal amplitude calculates；
The power management module respectively with spectrum analysis module, voltage test module, waveform testing module and high steady clock mould
Block is independently connected, and is that each module is independently-powered；
The high steady clock module is connected with digital baseband transmission system module and spectrum analysis module.
2. reconnaissance radar simulated target detection device according to claim 1, which is characterized in that the detection device is used for
The radar of test is scout car electro-optical system reconnaissance radar, and detection device is internally integrated simulated target information and real-time playback, soon
Speed detection reconnaissance radar target location accuracy.
3. reconnaissance radar simulated target detection device according to claim 2, which is characterized in that
The voltage test module includes protection circuit, channel selection circuit, signal processing circuit, function selection and channel selecting
Control circuit, power supply circuit, isolation circuit, power reference circuit, governor circuit, ac rectifier, clock generation circuit,
In, the front end that protection circuit is inputted as signal inhibits overshoot signal and big voltage, high current signal, to rear class channel electricity
Road is effectively protected；
The signal processing circuit and function select and channel selection control circuit is connected, signal through channel selection control circuit and
Isolation circuit is connected, and isolation circuit is connected with ac rectifier, and signal is finally sent to governor circuit, by Algorithm Analysis and meter
Calculation is sent to main system control module；
The power supply circuit provides power supply for each circuit of entire module, and clock generation circuit generates the clock that governor circuit needs
Signal.
4. reconnaissance radar simulated target detection device according to claim 2, which is characterized in that the digital baseband signal
Processing module includes that clock circuit, A/D analog to digital conversion circuits, SATA storage dishes, FPGA circuitry, usb circuit and power supply turn
Circuit is changed, wherein clock circuit is connect with A/D analog to digital conversion circuits and FPGA circuitry, and SATA stores looping data bus and FPGA electricity
Road connects, and usb circuit is connect with FPGA circuitry.
5. reconnaissance radar simulated target detection device according to claim 2, which is characterized in that the spectrum analysis module
Including receiving portion and local oscillator two parts circuit, the receiving portion is by receiver front end, the first frequency conversion, the second frequency conversion, third
Frequency conversion and third intermediate frequency modulate circuit composition；Local oscillator part includes the first local oscillator, the second local oscillator and third local oscillation circuit composition；Its
In, receiver front end is connect with the input terminal of the first frequency conversion, and the output of the first frequency conversion is connect with the input of the second frequency conversion, and second becomes
The output of frequency is connect with third intermediate frequency modulate circuit；The input of second local oscillator is connected with the output of the first local oscillator, output and third
The input of local oscillator is connected.
6. reconnaissance radar simulated target detection device according to claim 2, which is characterized in that the radar mean frequency conditioning
Module includes data converting circuit, D/A analog to digital conversion circuits, filter circuit, local oscillation circuit, program-controlled attenuator circuit and clock electricity
Road, wherein data dress changes circuit and D/A analog to digital conversion circuits, D/A analog to digital conversion circuits respectively with filter circuit, local oscillation circuit
It is connected, filter circuit is connected with program-controlled attenuator circuit, and clock circuit is connected with D/A analog to digital conversion circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820049915.5U CN207799062U (en) | 2018-01-12 | 2018-01-12 | Reconnaissance radar simulated target detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820049915.5U CN207799062U (en) | 2018-01-12 | 2018-01-12 | Reconnaissance radar simulated target detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207799062U true CN207799062U (en) | 2018-08-31 |
Family
ID=63271654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820049915.5U Active CN207799062U (en) | 2018-01-12 | 2018-01-12 | Reconnaissance radar simulated target detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207799062U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112834996A (en) * | 2020-12-31 | 2021-05-25 | 上海镭芯微电子股份有限公司 | Radar induction module testing method and device |
-
2018
- 2018-01-12 CN CN201820049915.5U patent/CN207799062U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112834996A (en) * | 2020-12-31 | 2021-05-25 | 上海镭芯微电子股份有限公司 | Radar induction module testing method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102571483B (en) | Integrated network parameter tester and test method applied to pulse regime | |
| CN201173965Y (en) | Core technical parameter automatic test system of electric project DC power source equipment | |
| CN201601677U (en) | Automatic test system for hybrid radio station | |
| CN109307859B (en) | TR subassembly amplitude phase characteristic quick microwave test system | |
| CN101776708A (en) | Multichannel voltage collecting device and method | |
| CN103248444B (en) | System integration method for test parameters based on unit combination | |
| CN208597083U (en) | A kind of simple X-band Network Analyzer | |
| CN207764299U (en) | A kind of restructural radar frequency synthesizer Auto-Test System | |
| CN1917404B (en) | Detection device and method of amplifier at column top in SCDMA system | |
| CN108983174B (en) | Meteorological radar integrated test equipment | |
| CN106405294B (en) | Portable power distribution product transmission calibrator and implementation test method thereof | |
| CN111624559A (en) | Electronic countermeasure in-situ test equipment | |
| CN206331109U (en) | A kind of radar range finding circuit | |
| CN115314074A (en) | Comprehensive performance test method for TR (transmitter-receiver) component | |
| CN212905410U (en) | Testing system for Takang navigation system | |
| US20220276329A1 (en) | Intelligent instrument verification system and method | |
| CN207799062U (en) | Reconnaissance radar simulated target detection device | |
| CN106301608A (en) | A kind of ultrashort wave Transmit-Receive Unit Universal debugging fitting device | |
| CN206292324U (en) | A kind of frequency-characteristic measuring-testing instrument | |
| CN210136298U (en) | General calibrating device of aviation guarantee equipment electrical parameter | |
| CN205608103U (en) | Portable electric energy quality monitoring appearance of full touch screen | |
| CN101950009A (en) | Three-phase intelligent transformer calibrator | |
| CN214201637U (en) | Automatic test system of broadband signal acquisition playback system | |
| CN116087902A (en) | Radar rapid comprehensive detection equipment and method based on hybrid bus | |
| CN212905423U (en) | Navigation radar integrated test equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |