CN203941285U - The carrier-borne secondary radar checkout equipment of a kind of integrated form - Google Patents
The carrier-borne secondary radar checkout equipment of a kind of integrated form Download PDFInfo
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- CN203941285U CN203941285U CN201420179736.5U CN201420179736U CN203941285U CN 203941285 U CN203941285 U CN 203941285U CN 201420179736 U CN201420179736 U CN 201420179736U CN 203941285 U CN203941285 U CN 203941285U
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Abstract
The carrier-borne secondary radar checkout equipment of integrated form, comprises frequency hopping transceiver module, terminal extension set, aobvious control extension set and antenna four parts; Frequency hopping transceiver module comprises the sub-extension set of transmitting, receives sub-extension set and frequency source module; Frequency source module produces three road signals, gives respectively the sub-extension set of transmitting, receives sub-extension set, and Third Road is for frequency detecting; Launch sub-extension set and be on the carrier wave that digital signal modulated that amplitude keying signal, simulating signal are converted to sends here to frequency source, and after amplifying, deliver to antenna transmission output; Receive the signal that sub-extension set receiving antenna sends, by frequency-selecting filter filtering clutter; Terminal extension set is the processing section of secondary radar calibration facility; Function is controlled in the operation that aobvious control extension set is realized; The utility model complete function, good portability, easy to operate, calibration cost is low, good in economic efficiency.
Description
Technical field
The utility model patent belongs to a kind of Radar Calibration equipment, particularly a kind of carrier-borne secondary radar checkout equipment, the verification that can solve major function and the critical performance parameters of carrier-borne secondary radar.
Background technology
Carrier-borne secondary radar is being undertaken the target that carrier-borne primary radar is found and is being carried out enemy and we's Attribute Recognition of fast and reliable, the aircraft in spatial domain of living in is carried out air route supervision and provides the raw information of target and the important mission of flight path information, and the correctness of the completeness of its major function and critical performance parameters is checked and detection has great importance.
At present, for the scaling method of secondary radar, be mainly that the transponder that utilizes naval vessels and aircraft to load is worked in coordination with secondary radar is demarcated, naval vessels and aircraft are under real boat and the real state flying, utilize the transponder of its loading, by mutually inquiring with secondary radar and replying, coordinate the inspection that can complete its major function.But the method is deposited problem both ways: the one, and the method cannot realize the test to secondary radar critical performance parameters.The critical performance parameters whether state of the art in regulation directly has influence on the performance of secondary radar, such as emissive power, if the emissive power of secondary radar, lower than predetermined value, can affect its operating distance greatly, thereby causes its fighting efficiency to decline.Therefore, utilize the method to carry out having defect in test function completeness; The 2nd, the enforcement of the method need to be set out armed forces in real combat and coordinate, and complicated operation, collaborative difficulty are high, deficiency in economic performance.
Existing radar recognizer in-site modeling device can only be replied simulation, does not possess interrogation function, also without basic detectability.Understanding at present U.S. FIR company has navigation management secondary radar field detecting device, model ATC601, but this equipment volume is large, and weight has 12 kilograms, is inconvenient to use.
Summary of the invention
The utility model adopts comprehensive integration, integrated design thought, by the reception extension set of other calibration facilities, reflection extension set, frequently combine extension set, variable attenuator is integrated into " frequency hopping transceiver module ", employ new technology the simulation relevant treatment of secondary identification friend-or-foe radar signal, change digital correlation into and process and be integrated in terminal extension set, reduced the hardware components of intermediate frequency process, utility model portable carrier-borne secondary radar calibration facility, with wired, wireless mode realizes two of secondary radar interrogation function kinds of interrogation modes (identification inquiry and non-identification inquiry), the correctness of the major functions such as two kinds of answer-modes of answering (identification is replied with non-identification and replied) is carried out on-site proving, to fill up secondary radar check-up before use, grade maintenance and face the blank of rushing to repair staking-out work.The utility model is compared with method with other secondary radar calibration facilities, have easy and simple to handle, volume is little, lightweight feature, has good Portability, maintainability and significant use value and military benefit.
The technical solution of the utility model is:
The carrier-borne secondary radar checkout equipment of integrated form, is characterized in that, the carrier-borne secondary radar checkout equipment of this integrated form comprises frequency hopping transceiver module, terminal extension set, aobvious control extension set and antenna four parts.
Frequency hopping transceiver module comprises the sub-extension set of transmitting, receives sub-extension set and frequency source module.
Frequency source module, comprising: thick film circuit, amplifier, power splitter, and it produces three road signals, gives respectively the sub-extension set of transmitting, receives sub-extension set, and Third Road is for frequency detecting; The frequency of frequency source generation San road signal is just the same, is to divide gained by same oscillation source merit.
Launch sub-extension set, comprise digital signal modulated module, amplitude keying mode transfer piece, amplifier, capability correction module, low-pass filtering module, coupling mechanism, detection module and signal processing module; Carrier wave is delivered to amplifier amplification through modulation module after digital signal modulated, through amplifier, capability correction module, low-pass filter elimination harmonic wave, then, through coupling mechanism coupling, gives wave detector, detection output conduct transmitting after treatment indicator signal.
Receiving sub-extension set comprises: limiter, frequency-selecting filter, frequency mixer, radio frequency input enters limiter through transmit-receive switch, after carry out the amplification of low noise radio frequency, then pass through frequency-selecting filter filtering, after proofread and correct, send into frequency mixer.
Terminal extension set is the processing section of secondary radar calibration facility.
Antenna is for the secondary radar interrogating signal receiving is delivered to and received sub-extension set through transmit-receive switch, and the answer signal that the sub-extension set simulation of transmitting is produced is launched.
The utility model can solve the staking-out work of carrier-borne secondary radar of present stage, has conveniently, feature safe and simple to operate, has very high efficiency-cost ratio, significant use value and military benefit.
The beneficial effects of the utility model are:
1. complete function, realizes major function inspection and the critical performance parameters of radio recognition equipment and two kinds of secondary radars of secondary aviation management equipment and demarcates.
2. good portability, adopts main frame Miniaturization Design technology, improves to greatest extent complete machine and criticizes productivity and equipment dependability.Main frame weight only has 2.5kg, and module is 4.
3. easy to operate, can demarcate operation whenever and wherever possible.
4. calibration cost is low.Demarcate the consumption of operation process cost free, and can demarcate operation to all secondary radars, good in economic efficiency.
Accompanying drawing explanation
Fig. 1 is carrier-borne secondary radar calibration facility structural representation of the present utility model.
Fig. 2 is that frequency source of the present utility model forms structural representation.
Fig. 3 is that the sub-extension set of transmitting of the present utility model forms structural representation.
In figure: 1 antenna; 2 transmit-receive switches; 3 receive sub-extension set; The sub-extension set of 4 transmitting; 5 frequency source modules;
6 terminal extension sets; 7 aobvious control extension sets.
Embodiment
For reducing volume, the weight of secondary radar calibration facility, it is frequency hopping transceiver module that portable carrier-borne secondary radar calibration facility of the present utility model will receive extension set, reflection extension set, frequently comprehensive extension set, variable attenuator comprehensive integration; On the signal processing method of radio recognition equipment, employ new technology simulation relevant treatment, change digital correlation into and process and be integrated in terminal extension set, reduce the hardware components of intermediate frequency process, improve the reliability of equipment, and reduce the volume and weight of complete machine; In the design of antenna, adopt and be directly installed on the antenna on main frame.
This frequency hopping transceiver module is mainly comprised of transmitting, reception, frequency source three parts, as shown in Figure 1.Frequency source produces three road signals, gives respectively the sub-extension set of transmitting, receives sub-extension set, frequency detecting, as shown in Figure 2.Frequency source adopts thick film circuit integrated, and the frequency of generation is controlled by the frequency control code of inputting, and the frequency of three road signals is just the same.Launch sub-extension set and be on the carrier wave that digital signal modulated that amplitude keying signal (0,1 signal), simulating signal are converted to sends here to frequency source, and after amplifying, by transmit-receive switch, deliver to antenna transmission and export.Launching the output power of sub-extension set is controlled by power control code.Antenna reception to signal through transmit-receive switch, deliver to and receive sub-extension set, first by switch frequency-selecting filter group filtering clutter, by frequency-selecting control code, controlled, the local oscillation signal mixing that high-frequency signal after filtering and frequency hopping synthesizer are sent here, filtering, obtain the intermediate-freuqncy signal of 60MHz, this signal after filtering, amplify, then obtain vision signal after putting amplification demodulator in intermediate frequency amplitude limit, logarithm.
(1) frequency source module
The composition of frequency source as shown in Figure 2, comprising: the compositions such as thick film circuit, amplifier, power splitter.Frequency source adopts thick film circuit integrated, needs the signal of external crystal oscillator generation as reference frequency, and the frequency of generation is controlled by the frequency code of inputting.When frequency does not lock, frequency source is also exported a losing lock signal, and this signal is for the self check of frequency source.Output frequency, by Hyblid Buffer Amplifier, carries out merit and divides, and the sub-extension set of transmitting is given as carrier wave in a road; Another road is carried out merit again and is divided, and a road is for frequency detecting, and a road is given and received sub-extension set, as local oscillator, inputs.
Thick film circuit is integrated phaselocked loop and voltage controlled oscillator, and all circuit used, this integrated circuit has very high performance, and its phase noise is-90dBc.Buffer amplifier is also monolithic integrated microwave circuit, and volume is very little.
(2) launch sub-extension set
Launch the composition of sub-extension set as shown in Figure 3.Carrier wave is delivered to amplifier amplification through simulating signal after digital signal modulated, through capability correction, power attenuation, low-pass filter elimination harmonic wave, then through coupling mechanism coupling part energy, give wave detector, detection output is after treatment as transmitting indicator signal; Transmit-receive switch is delivered in the main output of coupling mechanism, by amplitude keying modulation output.Transmitting is opened signal and is delivered to amplifier through overdrive circuit, removes the power supply of control amplifier, and amplifier is only just worked when transmitting.
Simulating signal is comprised of driving circuit and double balanced mixer to digital signal modulated, and driving circuit is the signal of needs modulation to be become to the signal of two-way single spin-echo, and two paths of signals is added to the intermediate frequency end of double balanced mixer.When electric current of intermediate frequency is enough large, the output of double balanced mixer (RF end) and the phase differential of inputting (Lo end), determine poor 180 degree that equal of phase of output signal by flowing to intermediate frequency end sense of current.And amplitude is substantially constant.Signal after ovennodulation is delivered in an one chip amplifier, through amplifying output.
Amplifier adopts the intermediate power amplifier of linear magnifying state, and the variation better and high low temperature of its inband flatness is less; Capability correction is mainly the precision of corrected power decay; Low-pass filter is filtering harmonic wave.Adopt the shutoff ratio of the electrical isolation transmit-receive switch assurance amplitude keying signal of import monolithic high-isolation.
(3) receive sub-extension set
Receiving sub-extension set comprises: limiter, frequency-selecting filter, frequency mixer.Radio frequency input enters limiter through transmit-receive switch, after carry out the amplification of low noise radio frequency, then pass through frequency-selecting filter filtering, after proofread and correct, send into frequency mixer mixing, obtain after 60MHz intermediate-freuqncy signal enters wave filter amplifying again, divide and make two-way, a road limited range enlargement output is exported and is gone 70MHz intermediate frequency to form circuit as intermediate frequency; Output video pulse signal is put through in logarithm in one tunnel, and pulse signal amplifies as original video, outputs to component detection mouth.Frequency-selecting filter is comprised of one group three the not identical wave filters of centre frequency, and this wave filter adopts dielectric filter, has that volume is little, Out-of-band rejection is high, lightweight advantage.Frequency-selecting code is added on one-out-three monolithic integrated switch, controls this switch and selects one of them wave filter.Correcting circuit is a programmable attenuator, and the data of the damping capacity of this attenuator in a storer determine, frequency code is as the address of this storer, and this attenuator is used for compensating the gain inequality of different receive frequencies.
Limiter is comprised of a plurality of PIN diode, and when power input surpasses clipping lever, this circuit loss is very large, makes the output level can be too not high, plays the effect of protection receiver.When input signal is very little, the insertion loss of circuit is very little, and about 1dB can not have too much influence to noise figure.
Storer and programmable attenuator component frequency compensating circuit.Between from antenna port to frequency mixer, have many elements, its total amplitude versus frequency characte is uneven, be approximately ± 1.5dB of fluctuation.In order to reduce this difference, before first order frequency mixer, connect a programmable attenuator, its damping capacity is determined by the data in storer.Data are to write in advance according to the actual gain of each module.
Claims (1)
1. the carrier-borne secondary radar checkout equipment of integrated form, is characterized in that, the carrier-borne secondary radar checkout equipment of this integrated form comprises frequency hopping transceiver module, terminal extension set, aobvious control extension set and antenna four parts;
Frequency hopping transceiver module comprises the sub-extension set of transmitting, receives sub-extension set and frequency source module;
Frequency source module, comprising: thick film circuit, amplifier, power splitter, and it produces three road signals, gives respectively the sub-extension set of transmitting, receives sub-extension set, and Third Road is for frequency detecting; The frequency of frequency source generation San road signal is just the same, is to divide gained by same oscillation source merit;
Launch sub-extension set, comprise digital signal modulated module, amplitude keying mode transfer piece, amplifier, capability correction module, low-pass filtering module, coupling mechanism, detection module and signal processing module; Carrier wave is delivered to amplifier amplification through modulation module after digital signal modulated, through amplifier, capability correction module, low-pass filter elimination harmonic wave, then, through coupling mechanism coupling, gives wave detector, detection output conduct transmitting after treatment indicator signal;
Receiving sub-extension set comprises: limiter, frequency-selecting filter, frequency mixer, radio frequency input enters limiter through transmit-receive switch, after carry out the amplification of low noise radio frequency, then pass through frequency-selecting filter filtering, after proofread and correct, send into frequency mixer;
Terminal extension set is the processing section of secondary radar calibration facility;
Antenna is for the secondary radar interrogating signal receiving is delivered to and received sub-extension set through transmit-receive switch, and the answer signal that the sub-extension set simulation of transmitting is produced is launched.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420179736.5U CN203941285U (en) | 2014-04-15 | 2014-04-15 | The carrier-borne secondary radar checkout equipment of a kind of integrated form |
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| CN201420179736.5U CN203941285U (en) | 2014-04-15 | 2014-04-15 | The carrier-borne secondary radar checkout equipment of a kind of integrated form |
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| CN203941285U true CN203941285U (en) | 2014-11-12 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105548975A (en) * | 2015-12-11 | 2016-05-04 | 中国科学院电子学研究所 | High-stability radio-frequency channel gain calibration apparatus and method |
| CN107247256A (en) * | 2017-07-19 | 2017-10-13 | 南京全信光电系统有限公司 | A kind of rf integration detector and method |
| CN109116310A (en) * | 2018-09-11 | 2019-01-01 | 广东圣大电子有限公司 | A kind of aircraft collision avoidance system secondary radar radio frequency transceiver |
| CN110554267A (en) * | 2019-09-24 | 2019-12-10 | 贵州航天电子科技有限公司 | Response signal test system |
| CN110716183A (en) * | 2019-10-18 | 2020-01-21 | 上海微波技术研究所（中国电子科技集团公司第五十研究所） | Handheld detector of X-waveband guide responder and testing method thereof |
| CN114397634A (en) * | 2022-01-14 | 2022-04-26 | 中国电子科技集团公司第十研究所 | Outfield ground test system for airborne radar electronic warfare function performance |
-
2014
- 2014-04-15 CN CN201420179736.5U patent/CN203941285U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105548975A (en) * | 2015-12-11 | 2016-05-04 | 中国科学院电子学研究所 | High-stability radio-frequency channel gain calibration apparatus and method |
| CN107247256A (en) * | 2017-07-19 | 2017-10-13 | 南京全信光电系统有限公司 | A kind of rf integration detector and method |
| CN109116310A (en) * | 2018-09-11 | 2019-01-01 | 广东圣大电子有限公司 | A kind of aircraft collision avoidance system secondary radar radio frequency transceiver |
| CN109116310B (en) * | 2018-09-11 | 2023-10-20 | 广东圣大电子有限公司 | Secondary radar radio frequency transceiver of airplane anti-collision system |
| CN110554267A (en) * | 2019-09-24 | 2019-12-10 | 贵州航天电子科技有限公司 | Response signal test system |
| CN110716183A (en) * | 2019-10-18 | 2020-01-21 | 上海微波技术研究所（中国电子科技集团公司第五十研究所） | Handheld detector of X-waveband guide responder and testing method thereof |
| CN110716183B (en) * | 2019-10-18 | 2021-08-17 | 上海微波技术研究所（中国电子科技集团公司第五十研究所） | Handheld detector of X-waveband guide responder and testing method thereof |
| CN114397634A (en) * | 2022-01-14 | 2022-04-26 | 中国电子科技集团公司第十研究所 | Outfield ground test system for airborne radar electronic warfare function performance |
| CN114397634B (en) * | 2022-01-14 | 2023-06-09 | 中国电子科技集团公司第十研究所 | Airborne radar electronic warfare functional performance outfield ground test system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141112 Termination date: 20160415 |