CN207689663U - A kind of fire control radar detecting system - Google Patents
A kind of fire control radar detecting system Download PDFInfo
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- CN207689663U CN207689663U CN201820136541.0U CN201820136541U CN207689663U CN 207689663 U CN207689663 U CN 207689663U CN 201820136541 U CN201820136541 U CN 201820136541U CN 207689663 U CN207689663 U CN 207689663U
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Abstract
The utility model discloses a kind of fire control radar detecting system, including Measurement ＆control computer, measuring instrument group, microwave switch group and radar adaptive box, the non-moving end of the microwave switch group is connected by radar adaptive box with tested radar equipment；The measuring instrument group is made of high-speed digitization instrument, Vector Signal Analyzer and microwave power meter, first moved end of microwave switch group is connected by high-speed digitization instrument with Measurement ＆control computer, second moved end of microwave switch group is connected by Vector Signal Analyzer with Measurement ＆control computer, the third moved end of microwave switch group is connected by microwave power meter with Measurement ＆control computer, and the 4th moved end of microwave switch group is connected with Measurement ＆control computer.The measuring instrument of the utility model can meet radar test demand again by instruments such as simple spectrum instrument, microwave power meter and oscillographs after unnecessary function cutting using the goods shelf products of existing maturation come integrated, that is, reduce system cost and also reduce requirement to testing staff's technology.
Description
Technical field
The utility model is related to a kind of fire control radar detecting systems.
Background technology
Currently, army is only equipped with the detection of the qualitative tests such as radar simulator for XXXX and XXXX fire control radars
Equipment only rests on the BIT functions of line radar and using target simulator to radar system to the maintenance work of the radar
System carries out in the level of functional inspection.Although the BIT functions of radar are advanced and more comprehensive, radar horizon is declined
Or the degree of support of unstable equal trouble shootings of tracking is perfect not enough, therefore, no in situ quantitation detection device the case where
Under, the needs of the inside and outside field performance checking of above-mentioned amphitypy radar, troubleshooting test and more fully fault location are cannot be satisfied, and
Radar simulator cost is higher, also has higher requirements to the technology of testing staff.
Furthermore XXXX and XXXX fire control radars in the prior art simulate various radars only with radar simulator
Signal generates the modulation waveform of various types of signal, controls output signal power and control microwave frequency etc., but radar target simulation
The deviation that device simulates true environment is larger, and imaging also has bigger difference with true radar imagery.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of fire control radar detecting system.
The purpose of this utility model is achieved through the following technical solutions：A kind of fire control radar detecting system, including
The non-moving end of Measurement ＆control computer, measuring instrument group, microwave switch group and radar adaptive box, the microwave switch group passes through radar
Adaptive box is connected with tested radar equipment.
The measuring instrument group is made of high-speed digitization instrument, Vector Signal Analyzer and microwave power meter, and microwave is opened
First moved end of pass group is connected by high-speed digitization instrument with Measurement ＆control computer, and the second moved end of microwave switch group is believed by vector
Number analyzer is connected with Measurement ＆control computer, and the third moved end of microwave switch group is connected by microwave power meter with Measurement ＆control computer,
4th moved end of microwave switch group is connected with Measurement ＆control computer.
4th moved end of the high-speed digitization instrument, Vector Signal Analyzer and microwave switch group by PXI buses with
The Measurement ＆control computer is connected；The microwave power meter is connected by usb bus with Measurement ＆control computer.
The radar adaptive box includes babinet and is set to the movement circuit of box house, and the movement circuit includes same
Axis wave detector, coaxial attenuator group and the cross guide directional coupler with absorbing load, the coaxial wave detector are connected to
The power of tested radar couples test side；
The cross guide directional coupler with absorbing load include directional coupler and with directional coupler impedance
Matched absorbing load, the directional coupler are formed by the first rectangular waveguide and the second rectangular waveguide vertically fitting, and described
One rectangular waveguide is through path transmission line waveguide, and the second rectangular waveguide is coupling path transmission line waveguide, directional coupler
Input terminal is connected by waveguide with the power output Waveguide interface of tested radar, and the straight-through end of directional coupler passes through transmission waveguide
It is connected with absorbing load, the coupled output of directional coupler is connected with the coaxial interface of the coaxial attenuator group, described same
The signal output end of axis attenuator group draws interface with the command power on babinet and is connected.
The command power that the non-moving end of the microwave switch group is adapted to radar on box body draws interface and is connected.
A kind of fire control radar detecting system further includes Zero greeve controller, and the Zero greeve controller is set to the observing and controlling
In No. zero slot of computer, the 4th moved end of the high-speed digitization instrument, Vector Signal Analyzer and microwave switch group passes through PXI
Bus is connected with the Zero greeve controller.
The Measurement ＆control computer is connected by RS-232 buses with tested radar equipment.
A kind of fire control radar detecting system further includes regulated power supply, the current output terminal of the regulated power supply with it is each
Measuring instrument, the energization input of microwave switch group are connected.
The utility model has the beneficial effects that：
1）Measurement ＆control computer cooperates with measuring instrument group and tested radar signal is collected and is handled, and utilization is existing
Ripe goods shelf products can meet radar test demand again by simple spectrum instrument, the radio frequency after unnecessary function cutting to integrate
The instruments such as power meter and oscillograph reduce system cost and also reduce requirement to testing staff's technology.
2）Microwave switch group is used to the output end of detection device being assigned to each tester module, to reduce measuring instrument
Device mitigates operating personnel and frequently changes the burden of test connection and prevent from connecing for the input/output interface quantity of tested radar
It is wrong.
3）It is connected to realize with measuring instrument group using PXI buses and is only equipped with the qualitative tests such as radar simulator
The automatic test of the inside and outside field performance checking of two kinds of radars of detection device, operation are more convenient；Entire testing process is controlled automatically
System, it is more efficient that test data such as can be preserved, be inquired, being printed at functions, the dates back.
4）In test, radar adaptive box is maximum allowable defeated according to the numerical value and each modularization measuring instrument for being tested parameter
Enter value, complete decaying, conversion and the matching treatment work of various radiofrequency signals, while also simplifying the connecting line of test cable
Road.
5）Cross guide directional coupler with absorbing load uses in the test of radar transmitter output end power, uses
Decay in radar transmitter output power, and to being input to the signal of radar receiver without decaying, absorbing load
Load instead of antenna as radar transmitter during the test, and the transmission power that can absorb radar is prevented to external radiation,
For absorbing load is compared to antenna, small volume structure is compact, helps to realize the miniaturization of adaptive box, while impedance being avoided to lose
Increase with caused reflection power, cross guide directional coupler has compact-sized, good directionality, bandwidth, transkit attenuation
The advantages that nearly constant, disclosure satisfy that the required low transkit attenuation in the design of microwave system and compact-sized waveguide is fixed
To the demand of coupler.
Description of the drawings
Fig. 1 is the utility model principle block diagram；
Fig. 2 is radar adaptive box functional block diagram；
Fig. 3 is the cross guide directional coupler structure chart with absorbing load；
In figure, 1- absorbing loads, the first rectangular waveguides of 2-, 2.1- input terminals, the straight-through ends 2.2-, the second rectangular waveguides of 3-,
4- transmission waveguides, 5- metal flanges, 6- Warning Marks, 7- coupled outputs.
Specific implementation mode
Below in conjunction with embodiment, the technical solution of the utility model is clearly and completely described, it is clear that retouched
The embodiment stated is only the utility model a part of the embodiment, instead of all the embodiments.Based in the utility model
Embodiment, the every other embodiment that those skilled in the art are obtained under the premise of not making the creative labor, all belongs to
In the range of the utility model protection.
Refering to fig. 1-3, the utility model provides a kind of technical solution：As shown in Figure 1, a kind of fire control radar detecting system,
Including Measurement ＆control computer, measuring instrument group, microwave switch group and radar adaptive box.
The non-moving end of the microwave switch group is connected by radar adaptive box with tested radar equipment, and microwave switch group is used for
The output end of detection device is assigned in each tester module, to reduce input and output of the measuring instrument for tested radar
Interface quantity mitigates operating personnel and frequently changes the burden of test connection and prevent wrong.
The measuring instrument group is made of high-speed digitization instrument, Vector Signal Analyzer and microwave power meter, and microwave is opened
First moved end of pass group is connected by high-speed digitization instrument with Measurement ＆control computer, high-speed digitization instrument by PXI buses with it is described
Measurement ＆control computer is connected.
The measuring instrument group is the function of integrated oscillograph and multimeter, has selected the high speed PXI numbers of four-way 5GS/s
Word instrument, is installed on the peripheral slot of cabinet, the signals such as synchronizes for the transmitting pulse parameter of instrumentation radar, bullet machine.
Second moved end of the microwave switch group is connected by Vector Signal Analyzer with Measurement ＆control computer, vector signal point
Analyzer is connected by PXI buses with the Measurement ＆control computer, and the Vector Signal Analyzer is the common radar and wireless of carrying out
The instrument of communication signal analysis, it is one by digitized analog signal that Vector Signal Analysis, which crosses range request input signal, then
Using DSP technical finesses and data output is provided, FFT algorithms calculate frequency-domain result, and demodulating algorithm calculates modulation and code
Field result.
The third moved end of the microwave switch group is connected by microwave power meter with Measurement ＆control computer, and microwave power meter passes through
Usb bus is connected with Measurement ＆control computer, and the microwave power is calculated as the 10MHz~18GHz, USB that detection device utilizes NI companies
The microwave power meter of interface, it completes radar emission unit and the transmission power of instruction issue unit measures.
4th moved end of the microwave switch group is connected with Measurement ＆control computer, specifically, the 4th moved end of microwave switch group
It is connected with the Measurement ＆control computer by PXI buses, Measurement ＆control computer directly transmits work with microwave switch group into row information.
As shown in Figures 2 and 3, the radar adaptive box includes babinet and is set to the movement circuit of box house, institute
It includes coaxial wave detector, coaxial attenuator group and the cross guide directional coupler with absorbing load to state movement circuit.
The coaxial wave detector is connected to the power coupling test side of tested radar, and coaxial wave detector is used in radar emission
It uses in pulse envelope test, is mainly made of detection tube, filter, coaxial wave detector is connected to the power coupling detection of radar
End, for demodulating the pulse envelope of radar emission signal and filtering out the carrier signal of X-band, so that oscillograph is tested.
The cross guide directional coupler with absorbing load include directional coupler and with directional coupler impedance
Matched absorbing load 1, the directional coupler and absorbing load 1 use in the test of radar transmitter output end power,
For decaying to radar transmitter output power, and to being input to the signal of radar receiver without decaying.
The impedance matching refers in energy transmission, it is desirable that the impedance of absorbing load 1 will be with the spy in directional coupler
Levy impedance it is equal, transmission at this time not will produce reflection, this shows that all energy are all absorbed by absorbing load 1, it is on the contrary then
There is energy loss in transmission.
The directional coupler is that two transmission lines are placed on position close enough so that power on a line can be with
The microwave/millimeter wave component being coupled on another line, can be used for the isolation, separation and mixing of signal, and directional coupler is one
Kind has directive power coupling element, and cross guide directional coupler is hung down by the first rectangular waveguide 2 and the second rectangular waveguide 3
Straight be fitted into forms, and common wall is wide wall, and coupling device is cross gap, and first rectangular waveguide 2 is that through path transmits
Line waveguide, the second rectangular waveguide 3 are coupling path transmission line waveguide, and cross guide directional coupler has compact-sized, side
The advantages that tropism is good, bandwidth, nearly constant transkit attenuation, disclosure satisfy that the required low transition in the design of microwave system
The demand of decaying and compact-sized guide directional coupler.
The some or all of power of through path transmission line is coupled in coupling path transmission line, and requires work(
Rate is only transmitted to coupled output 7 in coupling path transmission line, and then inactivity exports for another port.
First rectangular waveguide, 2 and second rectangular waveguide 3 is the important guided wave dress using metal tube transmission electromagnetic wave
Set, tube wall is usually copper, aluminium or other metal materials, its main feature is that it is simple in structure, mechanical strength is big, without interior in waveguide
Conductor, loss is low, power capacity is big, and electromagnetic energy is guided to propagate in waveguide inner space, can prevent external electromagnetism
Wave is revealed.
The input terminal 2.1 of the directional coupler is connected by waveguide with the power output Waveguide interface of tested radar, fixed
Be connected to the straight-through end 2.2 of coupler with absorbing load 1 by transmission waveguide 4, the coupled output 7 of directional coupler with it is described
The coaxial interface of coaxial attenuator group is connected, and the command power on the signal output end and babinet of the coaxial attenuator group, which draws, to be connect
Mouth is connected.
The directional coupler is 50dB directional couplers, and directional coupler is focused mainly in design in full frequency band
Coupled linear degree, make directional coupler in X frequency ranges the degree of coupling be one fix or deviation very little value, so as in power conversion
When introduce accurate coefficient, the design degree of coupling is that 50dB is in order to which the output power of radar is decayed 1000 times, after disclosure satisfy that
The power tolerance range of grade coaxial attenuator.
The absorbing load 1 is 50 Ω absorbing loads, for replacing antenna as radar transmitter during the test
Load, and the transmission power for absorbing radar is prevented to external radiation, for absorbing load 1 is compared to antenna, small volume structure is compact,
The miniaturization of adaptive box is helped to realize, absorbing load 1 is primarily upon it in design and bears power and equiva lent impedance, radar hair
The mean power of machine output is penetrated up to 500W, therefore the maximum power for designing absorbing load 1 is 1000W, to avoid impedance mismatching
Caused reflection power increases, and the equiva lent impedance of the 50 Ω absorbing loads 1 is designed as 50 ± 2 Ω.
The straight-through end 2.2 is connected by metal flange 5 with transmission waveguide 4, and the metal flange 5 is fixed by design
Flange on waveguide terminal, and can install to be aligned with companion flange and the accessory of clamping, to ensure between waveguide
The complete transmission of signal.
Preferably, 2 upper surface of the first rectangular waveguide is equipped with Warning Mark 6, and the Warning Mark 6 is marked with signal side
To and actual measurement the degree of coupling, sense is the energy that directional coupler distinguishes incidence wave and back wave in an emission system
A module or quality factor for power, sense have the measurement accuracy of power, voltage standing wave ratio and return loss
Directly influence.
The sense of the directional coupler depends on the electric field component in termination power and magnetic-field component, and magnetic field is divided
Amount will lead to the value of magnetic polarizability, and then influence the calculation value of the degree of coupling, and if through path transmission line medium wave propagation side
To becoming with original direction on the contrary, the port that then coupled output 7 of power and inactivity export in coupling path transmission line
Also it can change correspondingly.Therefore being only aware of the sense of directional coupler used and overlapping index could be arranged correctly
Desired value, avoid because detection when sense and degree of coupling mistake caused by engineering design mistake.
The coaxial attenuator group is by 10dB coaxial attenuators, 20dB coaxial attenuators, 30dB coaxial attenuators are single or
It is multiple to concatenate, it can be by tested radar signal decays to the acceptable power bracket of instrument, since coaxial attenuator concatenates
In test loop, the excessive signal measurement that will result directly in of error is overproof, and therefore, 30dB coaxial attenuators, 20dB coaxially decline
Subtract device and 10dB coaxial attenuators are all made of accurate customization device to reduce the error in test loop.
A kind of fire control radar detecting system further includes Zero greeve controller, and the Zero greeve controller is set to the observing and controlling
In No. zero slot of computer, the 4th moved end of the high-speed digitization instrument, Vector Signal Analyzer and microwave switch group passes through PXI
Bus is connected with the Zero greeve controller, and Zero greeve controller is mainly used for the data that orderly management comes from the transmission of each measuring instrument.
The Measurement ＆control computer is connected by RS-232 buses with tested radar equipment, and whole system can pass through observing and controlling meter
Calculation machine directly carries out the work of data acquisition and analysis to being tested radar equipment.
A kind of fire control radar detecting system further includes regulated power supply, the current output terminal of the regulated power supply with it is each
Measuring instrument, the energization input of microwave switch group are connected.
The measuring instrument group and microwave switch group use AC220V mains-supplieds, it is contemplated that measuring instrument group and microwave are opened
Pass group needs to adapt to the unstable present situation in outfield, and it is measuring instrument to be integrated with the alternating current steady voltage plug with UPS functions in systems
Group power supply, selects ripe goods shelf products, is installed on tank lower part.
Alternating current steady voltage plug is worked in a manner of AC-DC-AC, and major function is in external power down by being continued with accumulator
Spare AC power is provided.Since PXES-2630 cabinets are to the of less demanding of supply voltage（100-240V, 40-60Hz）,
It is primarily upon its output power and battery capacity when therefore designing.
According to the maximum power dissipation (4A@230V or 8A@115V) of measuring instrument group and microwave switch group, power has been selected
Capacity is the UPS inverters of 1500VA, has not only met the greatest requirements of measuring instrument group and microwave switch group to power supply in this way, but also
There are certain surpluses, while also mitigating system weight as possible.
The main function of the accumulator is to continue as inverter in external power down to provide input.It is mainly reflected in two
Aspect：First, the time for preserving data and normal shutdown is provided for measuring instrument group and microwave switch group, to prevent loss of data
Or system failure；Second is that tested radar is allowed to be restored to safe condition.It can be seen that UPS is provided spare based on both the above function
Power supply does not need long time, therefore, the lead-acid accumulator series connection of three pieces of 12V 12Ah is selected, in this way, can provide not
Less than 10 minutes（Under the maximum power dissipation of measuring instrument group and microwave switch group）Cruise duration, can also mitigate system weight as possible
Amount.
The above is only the preferred embodiment of the utility model, it should be understood that the utility model is not limited to herein
Disclosed form is not to be taken as excluding other embodiments, and can be used for other combinations, modifications, and environments, and
Can be in contemplated scope described herein, modifications can be made through the above teachings or related fields of technology or knowledge.And this field
The modifications and changes that personnel are carried out do not depart from the spirit and scope of the utility model, then all rights appended by the utility model
It is required that protection domain in.
Claims (7)
1. a kind of fire control radar detecting system, it is characterised in that：Including Measurement ＆control computer, measuring instrument group, microwave switch group with
And radar adaptive box, the non-moving end of the microwave switch group are connected by radar adaptive box with tested radar equipment；
The measuring instrument group is made of high-speed digitization instrument, Vector Signal Analyzer and microwave power meter, microwave switch group
The first moved end be connected with Measurement ＆control computer by high-speed digitization instrument, the second moved end of microwave switch group passes through vector signal point
Analyzer is connected with Measurement ＆control computer, and the third moved end of microwave switch group is connected by microwave power meter with Measurement ＆control computer, microwave
4th moved end of switching group is connected with Measurement ＆control computer.
2. a kind of fire control radar detecting system according to claim 1, it is characterised in that：The high-speed digitization instrument, arrow
4th moved end of amount signal analyzer and microwave switch group is connected by PXI buses with the Measurement ＆control computer；The microwave
Power meter is connected by usb bus with Measurement ＆control computer.
3. a kind of fire control radar detecting system according to claim 1, it is characterised in that：The radar adaptive box includes case
Body and the movement circuit for being set to box house, the movement circuit include coaxial wave detector, coaxial attenuator group and band
The cross guide directional coupler of absorbing load, the coaxial wave detector are connected to the power coupling test side of tested radar；
The cross guide directional coupler with absorbing load include directional coupler and with directional coupler impedance matching
Absorbing load（1）, the directional coupler is by the first rectangular waveguide（2）With the second rectangular waveguide（3）Vertically fitting forms, institute
State the first rectangular waveguide（2）For through path transmission line waveguide, the second rectangular waveguide（3）It is fixed for coupling path transmission line waveguide
To the input terminal of coupler（2.1）Be connected with the power output Waveguide interface of tested radar by waveguide, directional coupler it is straight
Go side（2.2）Pass through transmission waveguide（4）With absorbing load（1）It is connected, the coupled output of directional coupler（7）With it is described coaxial
The coaxial interface of attenuator group is connected, and signal output end and the command power on babinet of the coaxial attenuator group draw interface phase
Even.
4. a kind of fire control radar detecting system according to claim 3, it is characterised in that：The microwave switch group it is motionless
It holds the command power being adapted to radar on box body to draw interface to be connected.
5. a kind of fire control radar detecting system according to claim 1, it is characterised in that：Further include Zero greeve controller, institute
Zero greeve controller is stated in No. zero slot of the Measurement ＆control computer, the high-speed digitization instrument, Vector Signal Analyzer and micro-
4th moved end of wave switching group is connected by PXI buses with the Zero greeve controller.
6. a kind of fire control radar detecting system according to claim 1, it is characterised in that：The Measurement ＆control computer passes through
RS-232 buses are connected with tested radar equipment.
7. a kind of fire control radar detecting system according to claim 1, it is characterised in that：Further include regulated power supply, it is described
The current output terminal of regulated power supply is connected with the energization input of each measuring instrument, microwave switch group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820136541.0U CN207689663U (en) | 2018-01-26 | 2018-01-26 | A kind of fire control radar detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820136541.0U CN207689663U (en) | 2018-01-26 | 2018-01-26 | A kind of fire control radar detecting system |
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| Publication Number | Publication Date |
|---|---|
| CN207689663U true CN207689663U (en) | 2018-08-03 |
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ID=62990483
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820136541.0U Expired - Fee Related CN207689663U (en) | 2018-01-26 | 2018-01-26 | A kind of fire control radar detecting system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109308344A (en) * | 2018-08-30 | 2019-02-05 | 西北工业大学 | The airborne radar signal shared based on air situation track is trapped modelling method of probabilistic |
| CN111273243A (en) * | 2020-03-20 | 2020-06-12 | 中国人民解放军海军航空大学青岛校区 | Radar integrated test platform |
| CN116087902A (en) * | 2023-04-07 | 2023-05-09 | 南京雷电信息技术有限公司 | Radar rapid comprehensive detection equipment and method based on hybrid bus |
-
2018
- 2018-01-26 CN CN201820136541.0U patent/CN207689663U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109308344A (en) * | 2018-08-30 | 2019-02-05 | 西北工业大学 | The airborne radar signal shared based on air situation track is trapped modelling method of probabilistic |
| CN111273243A (en) * | 2020-03-20 | 2020-06-12 | 中国人民解放军海军航空大学青岛校区 | Radar integrated test platform |
| CN116087902A (en) * | 2023-04-07 | 2023-05-09 | 南京雷电信息技术有限公司 | Radar rapid comprehensive detection equipment and method based on hybrid bus |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |