CN207780226U - Novel electron war simulation system - Google Patents
Novel electron war simulation system Download PDFInfo
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- CN207780226U CN207780226U CN201820011902.9U CN201820011902U CN207780226U CN 207780226 U CN207780226 U CN 207780226U CN 201820011902 U CN201820011902 U CN 201820011902U CN 207780226 U CN207780226 U CN 207780226U
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Abstract
The utility model provides a kind of novel electron war simulation system, including：Receipts antenna is detectd for receive radar signal；For carrying out pretreated first receiving front-end to radar signal, the first receiving front-end is connect with receipts antenna is detectd；The first low-converter for radar signal to be converted to the first intermediate-freuqncy signal, the first low-converter are connect with the first receiving front-end；The first digital radiofrequency memory for carrying out delayed modulation to the first intermediate-freuqncy signal, the first digital radiofrequency memory are connect with the first low-converter；The first upconverter for the first intermediate-freuqncy signal after delayed modulation to be converted to radio frequency, the first upconverter are connect with the first digital radiofrequency memory；Numerical-control attenuator for being modulated into line amplitude to radiofrequency signal, numerical-control attenuator is connect with the first upconverter, it can really reflect the Electromagnetic Situation variation of radar under operational environment, the task performance of electronic warfare and confrontation both sides, more suit true operational environment.
Description
Technical field
The utility model is related to electronic technology field more particularly to a kind of novel electron war simulation systems.
Background technology
In modernized war, electronic warfare has been developed as a kind of independent mode of operation, is in asymmetric war environment
One of main battle weapons and combat forces with information deterrent capability.With the continuous development of Electronic Warfare Technology, radar faces
Operational environment become increasingly complex.Radar electronic warfare experiment is radar system Performance Assessment, identification and the basis of assessment and core, with
The important means of one supportive.
The training of ground radar countermeasure test includes mainly that ground static test and real goal inspection fly two kinds of forms.Ground is quiet
When state is tested, it is fixed on the place closer with subject distance by radar after electronic warfare simulator system frame height, simulates the machine of aerial sports
EW Equipment is carried, receipts subject radar signal is detectd, discharges Radar jam signal.Under this scene, due to opposite with subject radar
Cannot simulate the variation of airborne electronic equipment war equipment local environment apart from constant, conventional electronic warfare simulator system, i.e., it is opposite away from
From the variation for detecing receipts radar signal after variation；The real work efficiency that can not really reflect radar, EW Equipment, cannot be true
Reflect the battlefield Electromagnetic Situation variation under operational environment.
Utility model content
The purpose of this utility model is to provide a kind of novel electron war simulation system, effectively solves radar ground static test
When, existing electronic warfare simulator system can not really reflect the task performance of radar, EW Equipment, cannot really reflect operation ring
The technical issues of battlefield Electromagnetic Situation under border changes.
In order to solve the above-mentioned technical problem, the technical scheme that the utility model is provided is as follows：
A kind of novel electron war simulation system, including：
Receipts antenna is detectd for receive radar signal；
For carrying out pretreated first receiving front-end to radar signal, first receiving front-end connects with receipts antenna is detectd
It connects；
The first low-converter for pretreated radar signal to be converted to the first intermediate-freuqncy signal, first time change
Frequency device is connect with the first receiving front-end；
The first digital radiofrequency memory for carrying out delayed modulation to the first intermediate-freuqncy signal, first digital RF are deposited
Reservoir is connect with the first low-converter；
The first upconverter for the first intermediate-freuqncy signal after delayed modulation to be converted to radio frequency, first up-conversion
Device is connect with the first digital radiofrequency memory；
Numerical-control attenuator for being modulated into line amplitude to radiofrequency signal, the numerical-control attenuator and the first upconverter connect
It connects.
It is further preferred that first digital radiofrequency memory includes：
Analog-digital converter for the first intermediate-freuqncy signal to be converted to digital signal, the analog-digital converter and first time change
Frequency device connects；
Digital storage for being stored to the digital signal, the digital storage and the first low-converter connect
It connects；
Digital signal for reading storage is gone forward side by side the control circuit of line delay modulation, the control circuit and stored digital
Device connects；
Digital analog converter for the digital signal after delayed modulation to be converted to analog signal, the digital analog converter with
The numerical-control attenuator connection.
It is further preferred that in first receiving front-end, to the radar signal received carry out amplitude limit, filtering and
Low noise amplification processing.
It is further preferred that further including in the novel electron war simulation system：
For receiving the modulated radiofrequency signal of amplitude and carrying out pretreated second receiving front-end, before described second receives
End is connect with numerical-control attenuator；
The second low-converter for being converted to the second intermediate-freuqncy signal to pretreated radiofrequency signal, second time change
Frequency device is connect with the second receiving front-end；
Digital receiver for carrying out sorting identification to the second intermediate-freuqncy signal, the digital receiver and the second down coversion
Device connects；
For according to second intermediate-freuqncy signal generate in frequency interference signal the second digital radiofrequency memory, described second
Digital radiofrequency memory is connect with the second low-converter；
For the middle frequency interference signal generated to be converted to the second upconverter of radio frequency, second upconverter and the
Two digital radiofrequency memories connect；
The transmitter that radiofrequency signal for generating the second upconverter is amplified, the transmitter become on second
Frequency device connects；
Potato masher antenna for sending amplified radiofrequency signal, the potato masher antenna are connect with transmitter.
It is further preferred that the second digital radiofrequency memory generate transmitting signal be radar target analog signal or
Interference signal.
In novel electron provided by the utility model fights simulation system, system is docked using the first digital radiofrequency memory
The radar signal that receives carries out delayed modulation, is modulated into line amplitude to radar signal using numerical-control attenuator, according to presetting
Scene after simulating airborne electronic equipment war equipment space physics change in location, detects the propagated delay for receiving radar signal, amplitude becomes
Change, signal-to-noise ratio variation, system reaction time variation etc., with this can really reflect radar under operational environment, electronic warfare work
Make efficiency and fight the Electromagnetic Situation variation of both sides, more suits true operational environment.
Description of the drawings
Below by a manner of clearly understandable, preferred embodiment is described with reference to the drawings, to above-mentioned characteristic, technical characteristic,
Advantage and its realization method are further described.
Fig. 1 is novel electron war a kind of embodiment schematic diagram of simulation system in the utility model；
Fig. 2 is the first digital radiofrequency memory schematic diagram in the utility model；
Fig. 3 is novel electron war simulation system another embodiment schematic diagram in the utility model.
Drawing reference numeral explanation：
110- detects receipts antenna, the first receiving front-ends of 120-, the first low-converters of 130-, the storage of the first digital RFs of 140-
Device, the first upconverter of 150-, 160- numerical-control attenuators, 141- analog-digital converters, 142- digital storages, 143- control electricity
Road, 144- digital analog converters, the second receiving front-ends of 170-, the second low-converters of 180-, the second digital radiofrequency memories of 190-,
The second upconverter of 200-, 210- transmitters, 220- potato masher antennas, 230- digital receivers.
Specific implementation mode
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, attached drawing will be compareed below
Illustrate specific embodiment of the present utility model.It should be evident that the accompanying drawings in the following description is only the one of the utility model
A little embodiments for those of ordinary skill in the art without creative efforts, can also be according to these
Attached drawing obtains other attached drawings, and obtains other embodiments.
To make simplified form, in each figure only schematically show with the relevant part of the utility model, they are simultaneously
Its practical structures as product is not represented.
When the static test of ground, the place closer with subject distance by radar, mould are fixed on after electronic warfare simulator system frame height
The airborne electronic equipment war equipment of quasi- aerial sports, detects receipts radar signal, discharges radar target analog signal or radar chaff letter
Number.Under this scene, due to constant with subject radar relative distance, conventional electronic warfare simulator system cannot simulate airborne electricity
The variation of the residing battlefield surroundings of son war equipment detects the variation for receiving radar signal after relative distance variation；It can not really reflect thunder
It reaches, the real work efficiency of EW Equipment, cannot really reflect the battlefield Electromagnetic Situation variation under operational environment, with this, originally
Utility model proposes a kind of completely new electronic warfare simulator system, solves above-mentioned technical problem.
It is a kind of novel electron war embodiment schematic diagram of simulation system as shown in Figure 1, it can be seen from the figure that at this
Electronic warfare simulator system includes：It detects and receives antenna 110, the first receiving front-end 120, the first low-converter 130, the first digital RF
Memory 140, the first upconverter 150 and numerical-control attenuator 160, wherein the first receiving front-end 120 receives antenna 110 with detecing
Connection, the first low-converter 130 are connect with the first receiving front-end 120, the first digital radiofrequency memory 140 and the first low-converter
130 connections, the first upconverter 150 are connect with the first digital radiofrequency memory 140, numerical-control attenuator 160 and the first up-conversion
Device 150 connects.
During the work time, it detects to receive after antenna 110 receives radar signal and sends it to the first receiving front-end 120；The
After one receiving front-end 120 receives radar signal, pretreatment operation is carried out to it immediately, including amplitude limit, filtering, low noise are put
It is big to wait processing, and pretreated radar signal is sent to the first low-converter 130 and carries out upconversion operation.First low-converter
After 130 receive the radar signal of the first receiving front-end 120 transmission, upconversion operation is carried out to it and obtains the first intermediate-freuqncy signal simultaneously
It stores it in the first digital radiofrequency memory 140.Simultaneously, in the reading of the first digital radiofrequency memory 140 is stored in
First intermediate-freuqncy signal in portion carries out delayed modulation, and the first intermediate-freuqncy signal after delayed modulation is sent to the first upconverter
150, it is converted to radio frequency.Finally, numerical-control attenuator 160 modulates the radiofrequency signal that frequency conversion obtains into line amplitude, according to tune
Result processed obtains propagated delay and the amplitude variation of radar signal, and the space physics of airborne electronic equipment war equipment are simulated with this
The variation for receiving radar signal is detectd after change in location.
In practical applications, the place closer with subject distance by radar is fixed on after electronic warfare simulator system frame height, with quilt
Examination radar relative distance is constant, simulates the airborne electronic equipment war equipment of aerial sports.It is airborne when simulation according to presetting scene
After relative position between EW Equipment and subject radar changes, detecing the time of the radar signal received can occur
Variation, amplitude and signal-to-noise ratio can equally change, and with this after receiving radar signal, be stored using the first digital RF
Device 140 carries out delayed modulation, and guinea pig signal path propagation delay is modulated using numerical-control attenuator 160 into line amplitude, simulation
The amplitude variation and signal-to-noise ratio variation of radar signal, between the airborne electronic equipment war equipment that actual response simulates and subject radar
The variation of the radar signal received is detectd after relative position variation.
Specifically, as shown in Fig. 2, including in first digital radiofrequency memory 140：Analog-digital converter 141, stored digital
Device 142, control circuit 143 and digital analog converter 144, wherein analog-digital converter 141 is connect with the first low-converter 130, number
Word memory 142 is connect with the first low-converter 130, and control circuit 143 is connect with digital storage 142, digital analog converter 144
It is connect with numerical-control attenuator 160.
During the work time, the first low-converter 130 receive the first receiving front-end 120 transmission radar signal and by its
It is converted to after the first intermediate-freuqncy signal, analog-digital converter 141 is with being converted to digital signal by the first intermediate-freuqncy signal and deposited
It is stored in digital storage 142.Later, control circuit 143 reads digital signal from digital storage 142 and goes forward side by side line delay tune
System；Finally, the digital signal after delayed modulation is converted to by analog signal by digital analog converter 144 and is sent to the first up-conversion
Device 150 carries out upconversion operation.Specifically, which is (Field Programmable Gate Array, the scene FPGA
Programmable gate array) control circuit, read and write operation is carried out under the control of reference clock, and stored digital is read by control
The digital signal stored in device 142 realizes delayed modulation.
In the present embodiment, relative distance between airborne EW Equipment and radar is simulated as needed into line delay
Modulation, computation delay：Delay=relative distance/light velocity.It is modulated into line amplitude according to corresponding Electromagnetic Wave Propagation path loss is calculated,
Electromagnetic wave free space loss=32.45+20*log (R)+20*log (F), wherein R is relative distance, unit km；F is frequency
Rate, unit MHz；The unit of path loss is dB.
The above embodiment is improved to obtain present embodiment, as shown in figure 3, in the present embodiment, this is novel
In addition to including detecing to receive antenna 110, the first receiving front-end 120, first the 130, first number of low-converter in electronic warfare simulator system
Except RF memory 140, the first upconverter 150 and numerical-control attenuator 160, further include：Second receiving front-end 170,
Two low-converters 180, the second digital radiofrequency memory 190, the second upconverter 200, transmitter 210 and potato masher antenna 220,
Wherein, the second receiving front-end 170 is connect with numerical-control attenuator 160, the second digital radiofrequency memory 190 and the second low-converter
180 connections, the second upconverter 200 are connect with the second digital radiofrequency memory 190, transmitter 210 and the second upconverter 200
Connection potato masher antenna 220 is connect with transmitter 210.
During the work time, it the modulated radiofrequency signal of 170 reception amplitude of the second receiving front-end and is pre-processed；It
Afterwards, the second low-converter 180 carries out frequency conversion to pretreated radiofrequency signal and obtains the second intermediate-freuqncy signal；Later, digital received
Machine 230 carries out sorting identification to the second intermediate-freuqncy signal, and the second digital radiofrequency memory 190 generates intermediate frequency according to the second intermediate-freuqncy signal
Interference signal；Later, the second upconverter 200 by the middle frequency interference signal of generation be converted to radio frequency and by transmitter 210 into
Row amplification；Finally, amplified radiofrequency signal is gone out to space radiation by potato masher antenna 220.
It should be noted that above-described embodiment can be freely combined as needed.The above is only the utility model
Preferred embodiment, it is noted that for those skilled in the art, do not departing from the utility model principle
Under the premise of, several improvements and modifications can also be made, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (5)
- The simulation system 1. a kind of novel electron is fought, which is characterized in that the novel electron war simulation system includes：Receipts antenna is detectd for receive radar signal；For carrying out pretreated first receiving front-end to radar signal, first receiving front-end is connect with receipts antenna is detectd；The first low-converter for pretreated radar signal to be converted to the first intermediate-freuqncy signal, first low-converter It is connect with the first receiving front-end；The first digital radiofrequency memory for carrying out delayed modulation to the first intermediate-freuqncy signal, first digital radiofrequency memory It is connect with the first low-converter；The first upconverter for the first intermediate-freuqncy signal after delayed modulation to be converted to radio frequency, first upconverter with First digital radiofrequency memory connects；The numerical-control attenuator that radiofrequency signal for being generated to the first upconverter is modulated into line amplitude, the numerical-control attenuator with First upconverter connects.
- The simulation system 2. novel electron as described in claim 1 is fought, which is characterized in that in first digital radiofrequency memory Including：Analog-digital converter for the first intermediate-freuqncy signal to be converted to digital signal, the analog-digital converter and the first low-converter Connection；Digital storage for being stored to the digital signal, the digital storage are connect with the first low-converter；Digital signal for reading storage is gone forward side by side the control circuit of line delay modulation, and the control circuit and digital storage connect It connects；Digital analog converter for the digital signal after delayed modulation to be converted to analog signal, the digital analog converter with it is described Numerical-control attenuator connects.
- The simulation system 3. novel electron as described in claim 1 is fought, which is characterized in that right in first receiving front-end The radar signal received carries out amplitude limit, filtering and low noise amplification processing.
- The simulation system 4. novel electron as described in claim 1-3 any one is fought, which is characterized in that the novel electron war Further include in simulation system：For receiving the modulated radiofrequency signal of amplitude and carrying out pretreated second receiving front-end, second receiving front-end with Numerical-control attenuator connects；The second low-converter for being converted to the second intermediate-freuqncy signal to pretreated radiofrequency signal, second low-converter It is connect with the second receiving front-end；Digital receiver for carrying out sorting identification to the second intermediate-freuqncy signal, the digital receiver and the second low-converter connect It connects；For the second digital radiofrequency memory of frequency interference signal in being generated according to second intermediate-freuqncy signal, second number RF memory is connect with the second low-converter；The second upconverter for the middle frequency interference signal generated to be converted to radio frequency, second upconverter and the second number Word RF memory connects；The transmitter that radiofrequency signal for generating the second upconverter is amplified, the transmitter and the second upconverter Connection；Potato masher antenna for sending amplified radiofrequency signal, the potato masher antenna are connect with transmitter.
- The simulation system 5. novel electron as claimed in claim 4 is fought, which is characterized in that the second digital radiofrequency memory generated It is radar echo simulation signal or interference signal to emit signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820011902.9U CN207780226U (en) | 2018-01-04 | 2018-01-04 | Novel electron war simulation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820011902.9U CN207780226U (en) | 2018-01-04 | 2018-01-04 | Novel electron war simulation system |
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| CN207780226U true CN207780226U (en) | 2018-08-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110827598A (en) * | 2019-09-24 | 2020-02-21 | 中国人民解放军国防科技大学 | Electronic warfare equipment virtual operation training system and training method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110827598A (en) * | 2019-09-24 | 2020-02-21 | 中国人民解放军国防科技大学 | Electronic warfare equipment virtual operation training system and training method thereof |
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