CN108344335A - A method of utilizing all purpose instrument test pulse Doppler Fuze starting characteristic - Google Patents
A method of utilizing all purpose instrument test pulse Doppler Fuze starting characteristic Download PDFInfo
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- CN108344335A CN108344335A CN201711335893.5A CN201711335893A CN108344335A CN 108344335 A CN108344335 A CN 108344335A CN 201711335893 A CN201711335893 A CN 201711335893A CN 108344335 A CN108344335 A CN 108344335A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C21/00—Checking fuzes; Testing fuzes
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- Radar Systems Or Details Thereof (AREA)
Abstract
The present invention is a kind of method using all purpose instrument test pulse Doppler Fuze starting characteristic, this method directly generates radiofrequency signal using the pulse transmission signals of tested fuse as synchronizing signal triggering vector signal source, without Other Instruments, for working frequency up to millimeter wave, cost is relatively low；Easy to operate, parameter adjustment is conveniently；Versatility is good, and the scope of application is wider.Especially, vector signal source can combine the synchronizing signal of pulsed Doppler fuze into the adjustment of line delay, adapt to the synchronous base drift of pulsed Doppler fuze.The present invention can easily adjust data according to parameters such as selected trajectory, speed, and vector signal source launches the vector echo data consistent with current trajectory parameter, the start-up parameter of acquisition and recording pulsed Doppler fuze.This method can realize zero-lag, more particularly to adapt to the pulse synchronous signal clock of pulsed Doppler fuze, error caused by since vector signal source is asynchronous with tested fuse clock be avoided to influence.
Description
Technical field
The invention belongs to a kind of electronic fuse startability test methods more particularly to a kind of utilization all purpose instrument to test
The method of pulsed Doppler fuze starting characteristic is a kind of microwave/millimeter wave pulsed Doppler fuze startability static simulation
Test method.
Background technology
Electronic fuse using the information entrained by the echo during missile target encounter come Detonating Time of making decisions on one's own, to
Start warhead, reaches the effective damage to target.The pulsed Doppler fuze acted on over the ground measures during body intersection
Distance provides enabling signal in specific range.
The main method of the startability test of electronic fuse has target examination and two class of laboratory simulation, range test effect
Really, it but takes, effort, and since electronic fuse is the system disposably acted on, needs mass data that could carry out
Comprehensive statistics, it is costly；Laboratory static simulation is to go out the echo-signal of dynamic meeting using unit simulation, tests radio
The start-up parameter of fuse, environmental parameter is controllable, reproducible, and efficiency is higher.At present to the startup of pulse Doppler system fuse
Performance test mostly uses greatly model plane and hangs the methods of winged or dedicated system simulation, and it is insufficient that model plane hang winged method：Time and effort consuming, cost
Height, velocity interval are limited.
Wan Xigan etc. exists《Guidance and fuse》The 2nd phases of volume 34 in 2013 publish thesis《Electronic fuse generalization half is in kind
Analogue system research》In point out that " the echo data model received is respectively stored in intermediate frequency generator by simulated radar echo system
Included large capacity solid-state memory.Intermediate frequency generator realizes that the arbitrary intermediate-freuqncy signal in broadband generates using high-speed DAC, for standardization
Module can increase and decrease according to echo channel quantity.Control unit controls under the triggering of fuse synchronous base several respectively according to instruction
Intermediate frequency generator exports echo, forms compound echo after synthesis, forms radio-frequency echo wave after up-conversion, radio-frequency modulations subsystem can
It is exchanged according to fuse working frequency range.Real-time control system includes simulation hardware control platform and analogue system control software.Using
High-performance industrial personal computer realizes that analogue system control software is developed based on Labview, the echo for receiving simulation computer formation
Model data, download model data, the operation of management simulated radar echo analogue system, monitoring Fuze Test Data are simultaneously fought partly with drawing
The assessment to fuse performance, hardware control platform integrated communication interface card, data collecting card are realized in the connection of matter emulation subsystem
And large-capacity memory card." its shortcoming：(1) hardware system is relative complex, and expansion is bad；(2) control software needs to carry out
Complicated signal generates and timing control.
Gu Zhenjie exists《Fire control radar technology》The 2nd phase of volume 38 in 2009 publishes thesis《Missile guidance emulation test system
Target simulation technical research》In point out " range information of target echo be mainly reflected in the increase of distance and it is increased when
Between postpone, simulated target echo delay method mainly have radio-frequency delay and slowed-down video, due to slowed-down video need extract thunder
Up to transmitting pulse signal, technical difficulty is big, and coherent pulse signalf is difficult to ensure, cannot meet the requirement of modern radar target simulation.At present
The radio frequency delay technique of comparative maturity mainly has fiber delay time, digital radiofrequency memory delay and saw delay etc., in the past
Common saw delay, poor signal quality, narrower bandwidth.The method coherence of optical fiber delay is good, and implementation method is simple,
Signal quality is preferable, but volume is big, price is high, and since it is multi-stage cascade, and repeatedly noise floor is very high after decaying amplification,
It is easy to generate unwanted decoy signal "；" with the development of digital sample and memory technology, DRFM has become current mesh
The important means for marking simulation is limited by current device level, and DRFM can only operate in intermediate frequency, therefore for high-frequency signal, first
First multiple down coversion is carried out to it, transform to intermediate-freuqncy signal and handled again, by up-conversion again to signal after the completion of processing
It is restored ".Shortcoming：(1) multiple upper and lower frequency conversion so that system is relative complex, and needs according to working frequency points
Change adjustment and replaces frequency mixer；(2) system self delay needs to carry out accurate verification；(3) it is readily incorporated noise.
Establish the deficiency of dedicated system analogy method：Expansion is bad, and the parameter changes such as intersection speed are cumbersome, parameter essence
It spends poor.In the analogue echoes for carrying out pulse Doppler system fuse using radio frequency simulation method, due to tested fuse and instrument
The temperature drift of the time irreversibility and fuse clock of device equipment room leads to delay time error during simulating missile target encounter
Larger, the velocity accuracy of simulation is poor.
Invention content
Drawn using all purpose instrument test pulse Doppler in order to avoid the shortcomings of the prior art, present invention proposition is a kind of
Believe the method for starting characteristic, it is characterised in that：The intermediate frequency of tested fuse is exported and is connect with oscillograph, impulse modulation synchronizing signal
It is connect with the external trigger port of vector signal source；The calibration signal output of vector signal source is connect with oscillograph；Oscillograph and meter
Calculation machine, vector signal source and computer are connected using bus；Testing procedure is as follows：
The external trigger port of step 1, tested fuse impulse modulation synchronizing signal and vector signal source connects；
Step 2 calculates intersection step according to scheduled intersection speed and range accuracy；
N=(H0-H1)/r, in formula：N is the number of steps of entire intersection process, H0For the initial distance during intersection, H1
For the termination distance along the fuse direction of motion during intersection, r is the step-length for intersecting step；
Computation delay step-length：In formula：C is the light velocity, and=3*108m/s, θ are exploring antenna wave beam
With fuse direction of motion angle；
Calculate the repetition pulse number of intersection step：M=r/v*PRF, in formula：V is intersection speed, and PRF is that pulse repeats frequency
Rate；
Step 3, computer generate pulse Doppler baseband waveform according to parameters such as pulse width, repetition rate, sample rates；
Calculate the points of each pulse period：P=fs/PRF, in formula：Fs is the sample rate of vector signal source；
Calculate the points of impulse waveform：Q=y*fs, in formula：Y is pulse width；
Calculate the delay points of each of pulse signal intersection step：X=fs* τ；
It obtains：Each pulse has p, and wherein q expression Doppler, remaining is 0；By each intersecting step-length, Doppler
The position of pulse moves forward x；
Step 4, block signal are combined into sequence, download to vector signal source：
The power of echo pulse sequence is calculated according to radar equation：
In formula, PrTo receive power, PtFor transmission power, G is antenna gain, and λ is wavelength, and σ is that the radar scattering of target is cut
Face, R are target to detector distance；
Pulse train is set paragraph by paragraph to intersect step-length, is linked in sequence after the completion of combination, arrow is downloaded to by master control computer
Measure signal source；
Step 5, the arbitrary wave mode of setting vector signal source select waveform：The waveform play mode of vector signal source is set,
The arbitrary wave of waveform selection User Defined, the title that entitled 3rd step of data file is downloaded；
Step 6, setting vector signal source triggering mode are：Segment Advance Single, into pulse train
Single triggers, and triggering every time causes waveform segment in sequence to play primary, then stops, and waits to be triggered, is then advanced to next
Section terminates until playing；
Step 7, connected vector signal source to oscillograph, are delayed using Oscilloscope Calibration：According toIt calculates the initial time delay during entirely intersecting and terminates and be delayed,
Middle τ1For the corresponding delay of initial distance, R1For initial distance, τnTo terminate apart from corresponding delay, RnIt is corresponding to terminate distance
Delay, θ is exploring antenna wave beam and fuse direction of motion angle；
Adjust the waveform broadcast time-delay parameter of vector signal source so that the initial time delay of oscilloscope display, terminate delay with
It calculates consistent；
Step 8, connected vector signal source are exported to transmitting antenna, connection fuze actuation signal to oscillograph；
Step 9, radio-frequency transmissions, the startup situation of oscillograph recording fuse：According to t=t0-t1, H=H0- Vt calculates tested
The position at fuze actuation moment determines whether to meet the requirements.t0To intersect process initial time, t1For the tested fuze actuation moment,
H0For initial distance, v is lower intersection speed degree；
Step 10, the test for terminating or carrying out next letter of carrying out the coffin upon burial.
The vector signal source has external signal Trigger Function；Vector signal source frequency adjustment range should meet micro-
Wave, the corresponding frequency requirement of Millimeter Wave Pulsed Doppler Fuze.
The connection antenna of the vector signal source is standard-gain horn antenna, and 3dB beam angles and gain are
Carry out calibration measurement.
A kind of method using all purpose instrument test pulse Doppler Fuze starting characteristic proposed by the present invention directly utilizes
The pulse transmission signals of tested fuse generate radiofrequency signal as synchronizing signal triggering vector signal source, are not necessarily to Other Instruments, work
For working frequency up to millimeter wave, cost is relatively low；Easy to operate, parameter adjustment is conveniently；Versatility is good, and the scope of application is wider.Especially,
Vector signal source can combine the synchronizing signal of pulsed Doppler fuze into the adjustment of line delay, adapt to pulsed Doppler fuze
Synchronous base drifts about.
The present invention can easily adjust data according to parameters such as selected trajectory, speed, and vector signal source is launched and worked as
The consistent vector echo data of preceding trajectory parameter, the start-up parameter of acquisition and recording pulsed Doppler fuze.This method can be realized
Zero-lag, more particularly to adapt to the pulse synchronous signal clock of pulsed Doppler fuze, avoid due to vector signal source with it is tested
Error caused by fuse clock is asynchronous influences.
The present invention utilizes vector signal source, easily carries out the adjustment of frequency range, draws suitable for microwave, Millimeter Wave Pulsed Doppler
The application of letter, and the purpose of software control can be realized by master control computer.Meanwhile by the way that superposition interference signal can be passed through
Method tests the interference free performance of electronic fuse, vdiverse in function, easy to adjust.Therefore, the present invention has structure superior and makes
With convenient feature.
Description of the drawings
Fig. 1：The principle of the present invention block diagram
1 master control computer；2 vector signal sources；3 transmitting antennas；4 tested fuses；5 oscillographs；6 start indicator lamps；
Fig. 2：Pulsed Doppler fuze intersection sampling simulation step figure：
Fig. 3：Pulsed Doppler fuze echo-signal base band segment；
Fig. 4：Baseband signal delay diagram is intended to；
Fig. 5：Pulse Doppler radio frequency exports segment；
Fig. 6：The corresponding radio frequency output delay figure of starting distance；
Fig. 7：It terminates and exports delay figure apart from corresponding radio frequency；
Fig. 8：Pulsed Doppler fuze enabling signal figure.
Specific implementation mode
In conjunction with embodiment, attached drawing, the invention will be further described：
The solution of the present invention is referring to Fig. 1：By master control computer 1 and vector signal source 2, transmitting antenna 3, start-up parameter
Monitoring device forms；The start-up parameter monitoring device is made of start indicator lamp 6, oscillograph 5.The transmitting of tested fuse 4
The external trigger port that pulse passes through cable connection vector signal source 2 as synchronous signal port；Vector signal source 2 connects oscillograph
5 carry out delay time calibration；Vector signal source 2 connects transmitting antenna 3 and emits radiofrequency signal, and the startup output of tested fuse 4 connects
Start indicator lamp 6 is connect, while connecting oscillograph 5；Master control computer 1 is referred to by cable and vector signal source 2 and oscillograph 5
Enable communication and data transmission.
The master control computer stores or utilizes software programming echo data, and will by cable or GPIB transmission lines
Signal and instruction are downloaded to vector signal source, while can read the startability parameter of the tested fuse of oscillograph recording
It takes and analyzes.
The vector signal source, have external signal Trigger Function, using the pulse transmission signals of tested fuse as
Synchronizing signal triggers the radio-frequency transmissions of vector signal source；Vector signal source can will be surveyed by master control computer or simulation calculation
Waveform, which is downloaded, is used as baseband signal, and is played out according to the pattern that master control computer is set；Vector signal source frequency adjusts model
It encloses wider, microwave, the corresponding frequency requirement of Millimeter Wave Pulsed Doppler Fuze can be met.
The antenna is standard-gain horn antenna, and 3dB beam angles and gain have carried out calibration measurement.
The package unit is suitable for microwave, the startability test of Millimeter Wave Pulsed Doppler Fuze uses, and only needs
Corresponding electromagnetic horn is replaced according to frequency range.
Specific embodiment：Master control computer 1 calls in the echo data of storage according to setting condition or simulation calculation goes out back
Wave number evidence, each pulse carries out the transformation of delay time, the decaying of amplitude according to scheduled distance and speed, and downloads data to
In vector signal source 2；The transmitting impulsive synchronization of tested fuse 4 triggers vector signal source 2, vector signal source 2 by oscillograph 5 into
The calibration of line delay adjusts system delay, so that signal is played consistent with synchronous triggering；Vector signal source 2 presses the waveform of download
It is emitted in the air by transmitting antenna 3 according to scheduled frequency, power parameter, tested fuse 4 receives " analog radio frequency echo " and oneself
After body emits signal progress relevant treatment, machine provides enabling signal in due course, and enabling signal passes through cable connection to oscillograph
5, it is monitored.Master control computer 1 can also control oscillograph 5 and acquire enabling signal, to facilitate the calibration and survey that start information
Amount.The startup situation of tested fuse 4 can be indicated that lamp does not work when test starts by start indicator lamp 6, and the bright expression of lamp is opened
It is dynamic.
Case study on implementation of the present invention be test S frequency ranges pulsed Doppler fuze starting characteristic, simulate tested fuse with
Friendship of the speed of 1000 meter per seconds from 40 meters (along the fuse direction of motion, the distance of fuze antenna to target front end) to -10 meters of distances
Received radiofrequency signal during meeting, including following operating procedure：
The first step, attachment device, synchronous signal line connection；Both FD feed can be radiated, can also be carried out by injecting
HWIL simulation；
External trigger is carried out using the transmitting pulse of pulsed Doppler fuze, is connected to the external trigger port of vector signal source.
Using Agilent E8267D vector signal sources, the time synchronization pulse of pulsed Doppler fuze is connected to E8267D
The ports PATTERN TRIG IN, for trigger E8267D emit echo-signal.
Second step calculates intersection velocity step, intersection step repetition pulse according to scheduled intersection speed and range accuracy
The parameters such as number, delay stepsize；
According to analogue echoes precision setting intersection velocity step r, n=(H0-H1)/r, in formula, n is entire intersection process
Number of steps, H0To intersect the initial distance of process, H1To intersect the termination distance of process, r is the step-length for intersecting step.H0=40
Rice, H1=-5 meters, r=1.5 meters, obtain n=30..
According toComputation delay step-length, τ are delay stepsize, and r is the step-length for intersecting step, and c is
The light velocity ,=3*108m/s, θ are the angle of exploring antenna wave beam and the fuse direction of motion.R=1.5 meters, θ=0 °, obtain τ=
10ns。
The repetition pulse number of intersection step is calculated according to m=r/v*PRF, m is the repetition pulse number for intersecting step, and r is to hand over
The step-length of meeting step, v are intersection speed, and PRF is pulse recurrence frequency.R=1.5 meters, v=1000 meter per seconds, PRF=100KHz,
Obtain m=150.
That is, entirely intersection process is 30 sections, every section is 150 pulses, after 150 pulses, delay variation 10ns.See Fig. 2,
Indicate each 1.5 meters of step-length of intersection.
Third step, master control computer generate echo baseband waveform according to parameters such as pulse width, repetition rate, sample rates；
The points of each pulse period are calculated according to p=fs/PRF, p is the points of each pulse period, and fs believes for vector
The sample rate in number source, PRF is pulse recurrence frequency.Fs=100MS/s, PRF=100KHz obtain p=1000.
The points of impulse waveform are calculated according to q=y*fs, q is the points of each impulse waveform, and fs is vector signal source
Sample rate, y are pulse width.Fs=100MS/s, y=500ns obtain q=50.
It is the baseband signal segment of missile target encounter data, sample rate f s=100MS/s as shown in Figure 3.
The delay points of each of pulse signal intersection step-length are calculated according to x=fs* τ, for one intersection step r of x is right
The delay points answered, fs are the sample rate of vector signal source, and τ is the corresponding delay stepsize of intersection step.Fs=100MS/s, τ=
10ns obtains x=1.
Then each pulse has p, and wherein q expression echo, remaining is 0, each intersects step-length, the position of echo is forward
It is x mobile.I.e. each pulse has, wherein 50 points of echo at 1000 points, remaining is 0, each to intersect 1.5 meters of step-length, the position of echo
1 is adjusted forward.
It is the schematic diagram for intersecting the delay of process baseband signal of pulsed Doppler fuze and target as shown in Figure 4, figure (a) is
Paragraph 1, figure (b) are the 2nd section, and figure (c) is the 3rd section, and figure (d) is the 4th section, and every section of 1.5 meters of step-length of intersection respectively illustrates in figure
Every section of preceding several pulses, it can be seen that the decrementing procedure being delayed with the change pulse of missile target encounter distance.
4th step, block signal are combined into sequence, download to vector signal source；
The power of echo pulse sequence is calculated according to radar equation.
In formula, PrTo receive power, PtFor transmission power, G is antenna gain, and λ is wavelength, and σ is that the radar scattering of target is cut
Face, R are target to detector distance.
Pulse train is set paragraph by paragraph according to intersection step-length, is linked in sequence after the completion of combination, is downloaded to by master control computer
Vector signal source.It is that pulse Doppler radio frequency exports segment as shown in Figure 5.
5th step, the arbitrary wave mode of setting vector signal source select waveform；
The waveform play mode of vector signal source, the arbitrary wave of waveform selection User Defined, data file entitled are set
The title that four steps are downloaded.
6th step, setting vector signal source triggering mode；The triggering mode that vector signal source is arranged is：Segment
Advance Single, the triggering mode can be triggered into the single of pulse train, and triggering every time leads to the waveform in sequence
Section plays primary, then stops, and waits to be triggered, is then advanced to next section, terminates until playing.
7th step, connected vector signal source to oscillograph, are delayed using Oscilloscope Calibration；
According toCalculate initially prolonging during entirely intersecting
When and terminate delay, wherein τ1For the corresponding delay of initial distance, R1For initial distance, τnTo terminate apart from corresponding delay, Rn
To terminate apart from corresponding delay, θ is exploring antenna wave beam and vertical line angle.R1=40 meters, Rn=-5 meters, obtain τ1=
270ns,.
Adjust the waveform broadcast time-delay parameter of vector signal source so that the initial time delay of oscilloscope display, terminate delay with
It calculates consistent, is starting distance corresponding radio frequency output delay figure, Fig. 7 corresponding radio frequency outputs during being as shown in Figure 6
Prolong and attempts.
8th step, connected vector signal source are exported to transmitting antenna, connection fuze actuation signal to oscillograph；
9th step, radio-frequency transmissions, the startup situation of oscillograph recording fuse.
According to t=t0-t1, H=H0- vt calculates the position at tested fuze actuation moment, determines whether to meet the requirements.t0For
Intersection process initial time, t1For tested fuze actuation moment, H0For initial distance, v is lower intersection speed degree.It is as shown in Figure 8
Pulsed Doppler fuze enabling signal figure.
Tenth step, end or the test for carrying out next letter of carrying out the coffin upon burial.
Claims (1)
1. a kind of method using all purpose instrument test pulse Doppler Fuze starting characteristic, it is characterised in that：By tested fuse
Intermediate frequency output connect with oscillograph, the external trigger port of impulse modulation synchronizing signal and vector signal source connects；Vector signal
The calibration signal output in source is connect with oscillograph；Oscillograph is connect with computer, vector signal source and computer using bus；It surveys
Steps are as follows for examination：
The external trigger port of step 1, tested fuse impulse modulation synchronizing signal and vector signal source connects；
Step 2 calculates intersection step according to scheduled intersection speed and range accuracy；
N=(H0-H1)/r, in formula：N is the number of steps of entire intersection process, H0For the initial distance during intersection, H1For intersection
In the process along the termination distance of the fuse direction of motion, r is the step-length for intersecting step；
Computation delay step-length：In formula：C is the light velocity ,=3*108m/s, θ be exploring antenna wave beam with
Fuse direction of motion angle；
Calculate the repetition pulse number of intersection step：M=r/v*PRF, in formula：V is intersection speed, and PRF is pulse recurrence frequency；
Step 3, computer generate pulse Doppler baseband waveform according to parameters such as pulse width, repetition rate, sample rates；
Calculate the points of each pulse period：P=fs/PRF, in formula：Fs is the sample rate of vector signal source；
Calculate the points of impulse waveform：Q=y*fs, in formula：Y is pulse width；
Calculate the delay points of each of pulse signal intersection step：X=fs* τ；
It obtains：Each pulse has p, and wherein q expression Doppler, remaining is 0；By each intersecting step-length, Doppler pulse
Position move forward x；
Step 4, block signal are combined into sequence, download to vector signal source：
The power of echo pulse sequence is calculated according to radar equation：
In formula, PrTo receive power, PtFor transmission power, G is antenna gain, and λ is wavelength, and σ is the radar cross section of target, R
For target to detector distance；
Pulse train is set paragraph by paragraph to intersect step-length, is linked in sequence after the completion of combination, vector letter is downloaded to by master control computer
Number source；
Step 5, the arbitrary wave mode of setting vector signal source select waveform：The waveform play mode of vector signal source, waveform are set
Select the arbitrary wave of User Defined, the title that entitled 3rd step of data file is downloaded；
Step 6, setting vector signal source triggering mode are：Segment Advance Single, into the single of pulse train
Triggering, every time triggering cause waveform segment in sequence to play primary, then stop, and wait to be triggered, are then advanced to next section, directly
Terminate to broadcasting；
Step 7, connected vector signal source to oscillograph, are delayed using Oscilloscope Calibration：According toIt calculates the initial time delay during entirely intersecting and terminates and be delayed,
Wherein τ1For the corresponding delay of initial distance, R1For initial distance, τnTo terminate apart from corresponding delay, RnTo terminate apart from right
The delay answered, θ are exploring antenna wave beam and fuse direction of motion angle；
Adjust the waveform broadcast time-delay parameter of vector signal source so that the initial time delay of oscilloscope display terminates delay and calculates
It is consistent；
Step 8, connected vector signal source are exported to transmitting antenna, connection fuze actuation signal to oscillograph；
Step 9, radio-frequency transmissions, the startup situation of oscillograph recording fuse：According to t=t0-t1, H=H0- vt calculates tested fuse
The position of Startup time determines whether to meet the requirements.t0To intersect process initial time, t1For tested fuze actuation moment, H0For
Initial distance, v are lower intersection speed degree；
Step 10, the test for terminating or carrying out next letter of carrying out the coffin upon burial.
The vector signal source has external signal Trigger Function；Vector signal source frequency adjustment range should meet microwave, milli
The corresponding frequency requirement of metric wave pulsed Doppler fuze.
The connection antenna of the vector signal source is standard-gain horn antenna, and 3dB beam angles and gain have carried out
Calibration measures.
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| CN201711335893.5A CN108344335B (en) | 2017-12-13 | 2017-12-13 | Method for testing starting characteristic of pulse Doppler fuse by using universal instrument |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110356595A (en) * | 2019-06-11 | 2019-10-22 | 北京空间飞行器总体设计部 | A kind of interference scene simulation system for spacecraft orbit dynamic test |
| CN110991030A (en) * | 2019-11-28 | 2020-04-10 | 北京电子工程总体研究所 | Method and system for simulating universal complex war introduction system |
| CN113391308A (en) * | 2021-05-21 | 2021-09-14 | 雷探科技(深圳)有限公司 | X-waveband all-solid-state dual-polarization Doppler radar for monitoring fire smoke particles |
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|---|---|---|---|---|
| EP1260785B1 (en) * | 2001-05-25 | 2005-03-16 | Raytheon Company | Passive proximity fuze utilizing Doppler effect |
| CN106342167B (en) * | 2006-09-01 | 2011-08-24 | 上海无线电设备研究所 | Millimeter wave CW with frequency modulation active/microwave broadband is than mutually passive combined fuze |
| CN104237867B (en) * | 2014-08-27 | 2016-09-21 | 北京环境特性研究所 | The determination method and apparatus of effective doppler bandwidth of fuse receiver |
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2017
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1260785B1 (en) * | 2001-05-25 | 2005-03-16 | Raytheon Company | Passive proximity fuze utilizing Doppler effect |
| CN106342167B (en) * | 2006-09-01 | 2011-08-24 | 上海无线电设备研究所 | Millimeter wave CW with frequency modulation active/microwave broadband is than mutually passive combined fuze |
| CN104237867B (en) * | 2014-08-27 | 2016-09-21 | 北京环境特性研究所 | The determination method and apparatus of effective doppler bandwidth of fuse receiver |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110356595A (en) * | 2019-06-11 | 2019-10-22 | 北京空间飞行器总体设计部 | A kind of interference scene simulation system for spacecraft orbit dynamic test |
| CN110991030A (en) * | 2019-11-28 | 2020-04-10 | 北京电子工程总体研究所 | Method and system for simulating universal complex war introduction system |
| CN110991030B (en) * | 2019-11-28 | 2023-10-13 | 北京电子工程总体研究所 | Method and system for simulating general complex warfare system |
| CN113391308A (en) * | 2021-05-21 | 2021-09-14 | 雷探科技(深圳)有限公司 | X-waveband all-solid-state dual-polarization Doppler radar for monitoring fire smoke particles |
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| CN108344335B (en) | 2020-01-10 |
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