CN210110074U - Battlefield radar signal generation system - Google Patents
Battlefield radar signal generation system Download PDFInfo
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- CN210110074U CN210110074U CN201920807185.5U CN201920807185U CN210110074U CN 210110074 U CN210110074 U CN 210110074U CN 201920807185 U CN201920807185 U CN 201920807185U CN 210110074 U CN210110074 U CN 210110074U
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Abstract
The utility model relates to an informationization field, concretely relates to battlefield radar signal generation system, including the main control computer, the main control computer is used for setting up radar signal parameter, the main control computer with be used for calculating radar signal parameter and distribute the modulation parameter calculation of passageway and link to each other with the distribution module, modulation parameter calculation and distribution module link to each other with the wave form production module that is used for producing radar signal, wave form production module with be used for carrying out digital synthesis and digital analog conversion to radar signal, and form the signal selection of intermediate frequency signal and link to each other with digital synthesis module, signal selection and digital synthesis module link to each other with the broadband D/A conversion module that is used for converting analog signal into digital signal; the utility model provides a technical scheme can effectively overcome the defect of radar signal environment in the unable simulation actual combat that prior art exists.
Description
Technical Field
The utility model relates to an information-based field, concretely relates to battlefield radar signal generation system.
Background
Modern war is a high-tech and high-volume electronic information war, radar and radar countermeasures always occupy indispensable important positions by means of specific fighting modes and fighting efficiency, and play more and more important roles on the information fighting stage in the 21 st century to become the key for information fighting defeat.
To fully exploit the practical effectiveness of radar and radar countermeasure equipment, it is necessary for the equipment operator to be sufficiently familiar with the characteristics and operating skills of the equipment. The actual radar equipment cannot be deployed due to factors such as high manufacturing cost, site limitation and difficult maintenance, and has high radiation in the actual use process. Therefore, the battlefield radar signal simulation system is an indispensable matching device when the active radar or radar countermeasure equipment is used for actual combat training. Due to the limitation of a radar signal source, a signal environment generated by a radar signal simulation system has a small difference with an actual combat signal environment, and relevant army training and assessment projects are difficult to effectively develop, so that the exertion of the fighting capacity of army and equipment is influenced.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
To the above-mentioned shortcoming that prior art exists, the utility model provides a battlefield radar signal generation system can effectively overcome the defect of radar signal environment in the unable simulation actual combat that prior art exists.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
the battlefield radar signal generation system comprises a main control computer, wherein the main control computer is used for setting radar signal parameters, the main control computer is connected with a modulation parameter calculation and distribution module which is used for calculating the radar signal parameters and distributing channels, and the modulation parameter calculation and distribution module is connected with a waveform generation module which is used for generating radar signals;
the radar.
Preferably, the waveform generating module is provided with 8 independent signal generators, the signal generators are connected with an ethernet interface and an RS232 serial port for receiving the radar signal parameters through a control interface module, and signals generated by the signal generators are combined and then sent to the interface module.
Preferably, each signal generator comprises a frequency phase modulation module for modulating the frequency and the phase of the signal, and a pulse modulation module for completing the pulse cutting of the signal according to the pulse width and the repetition frequency change.
Preferably, the frequency phase modulation module generates a single-point frequency radar signal, a chirp radar signal, a frequency-coded radar signal, a frequency diversity radar signal, a two-phase coded radar signal, a four-phase coded radar signal.
Preferably, the system further comprises a frequency synthesis module, a memory, a power supply and a portable case, wherein the frequency synthesis module provides local oscillator signals for the system and dot frequency source signals for a clock of the broadband D/a conversion module, the memory is used for recording characteristics of each radiation signal and generating a file, and the main control computer and each module are installed in the portable case.
Preferably, the main control computer is connected with the wireless communication module to perform information interaction with the outside, and is connected with the touch display screen to perform human-computer interaction with the outside.
Preferably, the operator edits radar model, radar parameters, radar radiation source parameters, tactical planning and assessment schemes on the touch display screen.
Preferably, the power amplifier module adopts a broadband high-linearity solid-state power amplifier system.
(III) advantageous effects
Compared with the prior art, the utility model provides a battlefield radar signal generation system has following beneficial effect:
(1) the 8-channel intermediate frequency signals are adopted for digital synthesis, the broadband D/A conversion module converts the analog signals into digital signals, the excitation up-conversion module performs up-conversion and excitation amplification on the intermediate frequency signals to form 8 paths of pulse or continuous radar signals, and the pulse missing phenomenon does not exist, so that the actual combat radar signal environment can be simulated really;
(2) the method has the advantages of friendly man-machine interface, simple operation, capability of editing radar models, radar parameters, radar radiation source parameters, tactical planning and assessment schemes, capability of arbitrarily setting radar signal parameters in a working range, and recording and storing functions;
(3) the system has the advantages of high integration level, portability, simple and convenient operation, complete simulation signal patterns, real signals and frequency spectrum, large quantity and wide application range, and can be applied to actual combat training and examination, and can also be applied to function debugging, performance testing and field maintenance of radar countermeasure equipment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic view of the system of the present invention;
FIG. 2 is a schematic diagram of the waveform generation module of FIG. 1 according to the present invention;
fig. 3 is a system installation diagram of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
A battlefield radar signal generation system, as shown in fig. 1 to 3, comprising a main control computer for setting radar signal parameters, the main control computer being connected to a modulation parameter calculation and distribution module for calculating the radar signal parameters and distributing channels, the modulation parameter calculation and distribution module being connected to a waveform generation module for generating radar signals;
the waveform generation module is connected with a signal selection and digital synthesis module which is used for carrying out digital synthesis and digital-to-analog conversion on radar signals and forming intermediate frequency signals, the signal selection and digital synthesis module is connected with a broadband D/A conversion module which is used for converting analog signals into digital signals, the broadband D/A conversion module is connected with an excitation up-conversion module which is used for carrying out up-conversion and excitation amplification on the intermediate frequency signals to form radio frequency excitation signals, the excitation up-conversion module is connected with a power amplification module which is used for carrying out power amplification on the radio frequency excitation signals, and the radio frequency excitation signals after the power amplification of the power amplification module are output through antenna radiation.
The waveform generating module is internally provided with 8 paths of mutually independent signal generators, the signal generators are connected with an Ethernet interface and an RS232 serial port which are used for receiving radar signal parameters through the control interface module, and signals generated by the signal generators are combined and then sent to the interface module.
Each signal generator comprises a frequency phase modulation module for modulating the frequency and the phase of the signal, and a pulse modulation module for completing the pulse cutting of the signal according to the pulse width and the repetition frequency change.
The frequency phase modulation module generates a single-point frequency radar signal, a linear frequency modulation radar signal, a frequency coding radar signal, a frequency diversity radar signal, a two-phase coding radar signal and a four-phase coding radar signal.
The system also comprises a frequency synthesis module, a memory, a power supply and a portable case, wherein the frequency synthesis module provides local oscillation signals for the system and provides point frequency source signals for a clock of the broadband D/A conversion module, the memory is used for recording the characteristics of each radiation signal and generating a file, and the main control computer and each module are installed in the portable case.
The main control computer is connected with the wireless communication module to perform information interaction with the outside, and is connected with the touch display screen to perform man-machine interaction with the outside.
And an operator edits a radar model, radar parameters, radar radiation source parameters, tactical planning and assessment schemes on the touch display screen.
The power amplification module adopts a broadband high-linearity solid-state power amplification system.
The modulation parameter calculating and distributing module calculates radar signal parameters and distributes channels, the waveform generating module generates radar signal waveforms according to the radar signal parameters, the signal selecting and digital synthesizing module performs digital synthesis and digital-to-analog conversion on the radar signals and forms intermediate frequency signals, the D/A conversion module converts the analog signals into the digital signals, the excitation up-conversion module performs up-conversion and excitation amplification on the intermediate frequency signals to form radio frequency excitation signals, the power amplification module performs power amplification on the radio frequency excitation signals, and the radio frequency excitation signals after the power amplification of the power amplification module are output through antenna radiation.
The waveform generating module is internally provided with 8 paths of mutually independent signal generators, the signal generators are connected with an Ethernet interface and an RS232 serial port which are used for receiving radar signal parameters through the control interface module, and signals generated by the signal generators are combined and then sent to the interface module.
Each signal generator comprises a frequency phase modulation module for modulating the frequency and the phase of the signal, and a pulse modulation module for completing the pulse cutting of the signal according to the pulse width and the repetition frequency change. The frequency phase modulation module generates a single-point frequency signal, a linear frequency modulation signal, a frequency coding phase, frequency diversity, a phase two-phase coding signal and a phase four-phase coding signal.
Adopt 8 passageway intermediate frequency signals to carry out digital synthesis, broadband D/A conversion module converts analog signal to digital signal, and excitation up-conversion module carries out the up-conversion and the excitation is enlargied to intermediate frequency signal and forms 8 way pulse or continuous radar signal, does not have the pulse leakage phenomenon to can really simulate actual combat radar signal environment.
The system has the advantages of high integration level, portability, simple and convenient operation, complete simulation signal patterns, real signals and frequency spectrum, large quantity and wide application range, can be applied to actual combat training and examination of radar countermeasure teams, can also be applied to function debugging, performance testing and field maintenance of radar countermeasure equipment, and effectively solves the problems of the loss of the training combat targets and the signal environment of the radar countermeasure teams.
The main control computer is connected with the wireless communication module to perform information interaction with the outside, and is connected with the touch display screen to perform man-machine interaction with the outside. And an operator edits a radar model, radar parameters, radar radiation source parameters, tactical planning and assessment schemes on the touch display screen.
The system also comprises a frequency synthesis module, a memory, a power supply and a portable case, wherein the frequency synthesis module provides local oscillation signals for the system and provides point frequency source signals for a clock of the broadband D/A conversion module, the memory is used for recording the characteristics of each radiation signal and generating a file, and the main control computer and each module are installed in the portable case.
The man-machine interface is friendly, the operation is simple, the radar model, the radar parameters, the radar radiation source parameters, the tactical planning and the assessment scheme can be edited, the radar signal parameters can be set randomly in the working range, and the recording and storing functions are realized.
The technical scheme of the application has the following main technical indexes that the whole device is formed:
1) frequency range: 8-18 GHz;
2) instantaneous bandwidth: 800 MHz;
3) analog signal pattern:
a) a conventional pulsed radar signal;
b) frequency agile radar signals (step 5MHz, frequency range 800 MHz);
c) repeating frequency staggered radar signals;
d) repeating frequency jitter radar signals (jitter ratio is less than or equal to 10%);
e) frequency diversity radar signals (2 diversity and 2-8 time-sharing diversity at the same time);
f) phase encoded radar signals (2/4 phase encoded);
g) frequency encoding the radar signal;
h) linear frequency modulation radar signals (the bandwidth of a frequency modulation band is 5 MHz-50 MHz, and the slope of the frequency modulation is less than or equal to 10 MHz/mus);
i) frequency modulated continuous wave radar signals (the frequency modulation bandwidth is 5 MHz-50 MHz);
j) a continuous wave radar signal;
k) radar signals of special systems (given technical parameters);
4) pulse width range: 0.2-50 mus;
5) repetition period range: 4 mus-10 ms;
6) the number of analog radars is: maximum 8 parts (when frequency modulation continuous wave radar signals and continuous wave radar signals are generated, only 1 part of radar signals are generated in an analog mode).
7) Emission index:
l) output power: not less than 5W;
m) output power control: 0dB to 31dB, stepping by 1 dB;
n) output signal spurs: less than or equal to-40 dBc; output signal harmonics: less than or equal to-40 dBc;
8) antenna index:
o) gain: not less than 16dB @8 GHz; not less than 19dB @18 GHz;
p) polarization: linearly polarizing;
9) power supply by a power supply: AC220V/50 Hz.
It is noted that the present invention is only for providing a hardware configuration different from the prior art, so that the skilled person can implement further development under such hardware configuration, and the software program can be programmed by the programmer in the field at the later stage according to the actual effect requirement.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (8)
1. Battlefield radar signal generating system, including the main control computer, its characterized in that: the main control computer is used for setting radar signal parameters, the main control computer is connected with a modulation parameter calculation and distribution module which is used for calculating the radar signal parameters and distributing channels, and the modulation parameter calculation and distribution module is connected with a waveform generation module which is used for generating radar signals;
the radar.
2. The battlefield radar signal generating system of claim 1, wherein: the wave form generating module is provided with 8 paths of mutually independent signal generators, the signal generators are connected with an Ethernet interface and an RS232 serial port which are used for receiving the radar signal parameters through a control interface module, and signals generated by the signal generators are combined and then sent to the interface module.
3. The battlefield radar signal generating system of claim 2, wherein: each signal generator comprises a frequency phase modulation module for modulating the frequency and the phase of the signal and a pulse modulation module for completing the pulse cutting of the signal according to the pulse width and the repetition frequency change.
4. The battlefield radar signal generating system of claim 3, wherein: the frequency phase modulation module generates a single-point frequency radar signal, a linear frequency modulation radar signal, a frequency coding radar signal, a frequency diversity radar signal, a two-phase coding radar signal and a four-phase coding radar signal.
5. The battlefield radar signal generating system of claim 1, wherein: the broadband D/A conversion module is used for receiving a local oscillation signal and a point frequency signal, the local oscillation signal is provided for a system, the point frequency signal is provided for a clock of the broadband D/A conversion module, the storage is used for recording the characteristics of each radiation signal and generating a file, and the main control computer and the modules are installed in the portable case.
6. The battlefield radar signal generating system of claim 1, wherein: the main control computer is connected with the wireless communication module to perform information interaction with the outside, and is connected with the touch display screen to perform man-machine interaction with the outside.
7. The battlefield radar signal generating system of claim 6, wherein: and an operator edits a radar model, radar parameters, radar radiation source parameters, tactical planning and assessment schemes on the touch display screen.
8. The battlefield radar signal generating system of claim 1, wherein: the power amplification module adopts a broadband high-linearity solid-state power amplification system.
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| CN201920807185.5U CN210110074U (en) | 2019-05-31 | 2019-05-31 | Battlefield radar signal generation system |
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| CN201920807185.5U CN210110074U (en) | 2019-05-31 | 2019-05-31 | Battlefield radar signal generation system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110189571A (en) * | 2019-05-31 | 2019-08-30 | 中科泰格(北京)科技有限公司 | Battlefield radar signal generates system |
| CN111521977A (en) * | 2020-04-22 | 2020-08-11 | 安徽华可智能科技有限公司 | Radar signal source |
-
2019
- 2019-05-31 CN CN201920807185.5U patent/CN210110074U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110189571A (en) * | 2019-05-31 | 2019-08-30 | 中科泰格(北京)科技有限公司 | Battlefield radar signal generates system |
| CN111521977A (en) * | 2020-04-22 | 2020-08-11 | 安徽华可智能科技有限公司 | Radar signal source |
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