CN208805564U - A kind of radar beacon machine - Google Patents
A kind of radar beacon machine Download PDFInfo
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- CN208805564U CN208805564U CN201821208001.5U CN201821208001U CN208805564U CN 208805564 U CN208805564 U CN 208805564U CN 201821208001 U CN201821208001 U CN 201821208001U CN 208805564 U CN208805564 U CN 208805564U
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- 238000012544 monitoring process Methods 0.000 claims abstract description 36
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- 238000005259 measurement Methods 0.000 claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 238000005516 engineering process Methods 0.000 claims abstract description 10
- 230000008878 coupling Effects 0.000 claims abstract description 7
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- 230000003321 amplification Effects 0.000 claims description 6
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- 238000012545 processing Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 5
- 230000005055 memory storage Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of radar beacon machines, belong to Radar Technology field.A kind of radar beacon machine, including dual-mode antenna, transmit-receive switch, receiving unit, digital frequency memory unit, reception and down-converter unit, computer control unit, up-conversion and transmitting unit, power amplifier, instantaneous frequency measurement unit, display and control unit, power supply, signal criterion source, mark frequency and local oscillator unit, it is characterized in that, equipped with signal monitoring unit, detection comparison circuit is equipped in signal monitoring unit, signal monitoring unit receives the signal from antenna or a reference source and carries out detection to signal by detection comparison circuit；Signal monitoring unit receives the coupling tributary signal of output power amplifier, and the measurement of output power is completed by detection comparison circuit.Signal monitoring module is added in the utility model in complete machine structure, and the real-time monitoring to complete machine signal, the precision of guarantee test may be implemented.
Description
Technical field
The utility model relates to a kind of radar beacon machines, belong to Radar Technology field.
Background technique
In modern war, electronic countermeasure is more and more, and the target environment and living environment that radar faces are the same as previous phase
Than huge variation has occurred, operational environment becomes increasingly complex, and counter radar has been equipped with swift and violent development, electronic interferences, anti-spoke
Boosted missile, Stealthy Target and low-level penetration have played the fighting efficiency of radar and battlefield existence is constituted and seriously threatened.To thunder
Up to technology optimization and improving play the role of in current electronic countermeasure situation it is vital.
Nowadays some radar beacon machine equipments used, can only realize the simple calibration to radar, can not be to the function of signal
Rate variation is realized to be monitored in real time.In actual use, with the damage of radio frequency line, microwave module in environment, microwave link
Consumption variation, the output power of complete machine also have corresponding either large or small influence.
Utility model content
The purpose of the utility model is to provide a kind of radar beacon machine, the utility model mainly solves radar beacon machine equipment
In can not to input, output signal power be monitored the problem of, when output signal power fluctuation when, can not learn power in time
Variation, can not make output power and timely adjust, be unable to reach desired test result.The utility model is in complete machine structure
Middle addition signal monitoring module, may be implemented the real-time monitoring to complete machine signal, the precision of guarantee test.
The purpose of this utility model is achieved through the following technical solutions, a kind of radar beacon machine, including transmitting-receiving day
Line, transmit-receive switch, receiving unit, digital frequency memory unit, reception and down-converter unit, computer control unit, up-conversion and hair
Penetrate unit, power amplifier, instantaneous frequency measurement unit, display and control unit, power supply, signal criterion source, mark frequency and local oscillator unit, characterized in that set
There is signal monitoring unit, detection comparison circuit is equipped in signal monitoring unit, signal monitoring unit, which receives, comes from antenna or benchmark
The signal in source simultaneously carries out detection to signal by detection comparison circuit；Signal monitoring unit receives the coupling branch letter of output power amplifier
Number, the measurement of output power is completed by detection comparison circuit.
Preferably, the receiving antenna receives subject radar emission signal, that is, radiofrequency signal, is limited by receiving unit
Signal monitoring unit is sent into all the way by a single-pole double-throw switch (SPDT) selection after width, filtering processing to supervise received signal power
It surveys, another way is sent into reception and down-converter unit；
Radiofrequency signal passes through low noise amplification in reception and down-converter unit, and function is divided into two-way, send instantaneous frequency measurement all the way
Unit carries out pulsewidth, pulse arrival time parameter measurement, and parameter is sent to digital frequency memory unit；Another way passes through frequency conversion
After send to digital frequency memory unit as sample signal, for generating echo signal；
It receives and down-converter unit is by its internal pulse shaper generation zero distance pulse envelope signal, as being
System synchronization pulse, zero distance pulse envelope signal are used as digital frequency memory circuit ADC sampled reference signal；Reception and down coversion
Unit will fade to digital frequency memory by its internal converter unit under the signal of 400MHz~3300MHz and 9.5GHz~16GHz
Intermediate frequency baseband signal required for unit, intermediate frequency baseband signal and zero distance pulse envelope signal are synchronous in time；
Local oscillation signal needed for reception and down-converter unit is provided by mark frequency and local oscillator unit.
Preferably, the digital frequency memory unit, including digital frequency memory plate and Interface Control Panel, technology generator；Technology produces
Raw device controls digital frequency memory plate to the radar mean frequency base band received and down-converter unit is sent according to zero distance pulse envelope signal
Signal carries out high-speed sampling, in the memory block for storing to sliding window formula digital frequency memory plate, sends further according to display control unit
Target component is resolved, and the time delay value of each pulse is calculated, in the case where zero distance pulse envelope signal synchronizes, with each pulse
Time delay value generates read control signal, and the intermediate frequency that sequence reads digital frequency memory intralamellar part storage emits pulse, by delay and how general
Strangle modulation simulated target echo-signal, be then sent to up-conversion and transmitting unit become 400MHz~3300MHz and 9.5GHz~
The radiofrequency signal of 16GHz believes the radio frequency of 400MHz~3300MHz and 9.5GHz~16GHz in up-conversion and transmitting unit
Number carry out switch modulation, amplitude modulation, most externally emit after power amplifier is by power amplification from transmitting antenna afterwards, the coupling of power amplifier final stage
Clutch is coupled out feeding signal monitoring unit all the way and is monitored to the RF signal power of transmitting；Up-conversion and transmitting unit institute
Local oscillation signal is needed to be provided by mark frequency and local oscillator unit；
Computer control unit is connected with digital frequency memory unit and display and control unit, and it is single that computer control unit receives aobvious control
The control command that member issues after the resolving for carrying out target range and speed, is issued to digital frequency memory unit and completes corresponding control；
Simultaneous computer control unit receives the data that digital frequency memory unit uploads.
Preferably, it is transmit-receive switch, power amplifier, up-conversion and transmitting unit, mark frequency and sheet that the power supply, which is radar beacon machine,
Shake unit, signal criterion source, receiving unit, single-pole double-throw switch (SPDT), reception and down-converter unit, instantaneous frequency measurement unit, signal prison
It surveys unit and power supply is provided.
Compared with prior art, the utility model has the following beneficial effects:
First, the utility model is by dual-mode antenna, transmit-receive switch, receiving unit, digital frequency memory unit, reception and down coversion
Unit, computer control unit, up-conversion and transmitting unit, instantaneous frequency measurement unit, display and control unit, power supply, signal criterion source, mark
The part such as frequency and local oscillator unit, signal monitoring unit forms.Signal monitoring unit receives the signal for coming from antenna (a reference source), whole
The signal of a link power amplifier coupling output, and detection is carried out to signal, on the basis of the power once exported, what is tested every time
When the power of output signal is monitored, can be by the fluctuating of power by wave detector when equipment output power has fluctuation
It reflects, the gain of prime attenuator and amplifier is controlled by fluctuating size, adjust the power in channel in time to protect
The precision of confirmatory test.
Second, signal monitoring unit front end is reduced signal power, is prevented to signal monitoring by the attenuator of control 20dB
Equipment is burnt.By wave detector monitoring signals power, attenuator and amplifier, guarantee test essence are controlled by fluctuations
Degree, in addition gives measured data to data acquisition module, is recorded, and return host computer, show on the upper computer interface
Come, forms the process of a closed-loop control.Signal monitoring unit receives the coupling tributary signal of output power amplifier, is compared by detection
Circuit completes the measurement of output power, and actual output is enabled to reach desired combat setting.
Detailed description of the invention
Fig. 1 is the signal connection schematic diagram of the utility model radar beacon machine.
Fig. 2 is the side view of the utility model radar beacon machine；
Fig. 3 is the main view of the utility model radar beacon machine；
Fig. 4 is the rearview of the utility model radar beacon machine.
Specific embodiment
The utility model is further illustrated in conjunction with attached drawing and real examination example.
As shown in Figs 1-4, radar beacon machine, including dual-mode antenna, transmit-receive switch, receiving unit, digital frequency memory unit, connect
Receipts and down-converter unit, computer control unit, up-conversion and transmitting unit, power amplifier, instantaneous frequency measurement unit, display and control unit, electricity
Source, signal criterion source, mark frequency and local oscillator unit, characterized in that be equipped with signal monitoring unit, be equipped with detection in signal monitoring unit
Comparison circuit, signal monitoring unit receive the signal from antenna or a reference source and are examined by detection comparison circuit to signal
Wave；Signal monitoring unit receives the coupling tributary signal of output power amplifier, and the measurement of output power is completed by detection comparison circuit.
This experiment is novel to receive subject radar emission signal by receiving antenna, by clipping, passes through one after filtering processing
The selection of a single-pole double-throw switch (SPDT) is sent into signal monitoring unit all the way and is monitored to received signal power, another way be sent into receive and
Down-converter unit, radiofrequency signal pass through low noise amplification in reception and down-converter unit, and function is divided into two-way, send instantaneous survey all the way
Frequency and impulsive measurement circuit carry out the parameter measurements such as pulsewidth, pulse arrival time, and parameter are sent to digital frequency memory unit；
Another way is sent to digital frequency memory unit after frequency conversion as sample signal, for generating echo signal.Reception and down coversion list
Member generates zero distance pulse envelope signal (ZRPE) by its internal pulse shaper and is used as system synchronization pulse；It should
Signal and receiving unit export it is downconverted after intermediate-freuqncy signal it is synchronous in time, be used as number frequency memory circuit ADC sampling base
Calibration signal.
Receive and down-converter unit inside converter unit by the signal of 400MHz~3300MHz and 9.5GHz~16GHz
Under fade to intermediate-freuqncy signal required for digital frequency memory, local oscillation signal needed for frequency conversion is provided by local oscillator unit.
For digital frequency memory unit using digital frequency memory as core, main includes digital frequency memory plate and Interface Control Panel etc..Inside it
Technology generator according to zero distance pulse envelope signal, control in the radar that wideband digital frequency memory sends down coversion network
Frequency baseband signal carries out high-speed sampling, stores in the memory block of digital storage to sliding window formula, further according to display control unit
The target component sent is resolved, and the time delay value of each pulse is calculated, and in the case where zero distance pulse envelope signal synchronizes, uses these
Time delay value generates read control signal, and the intermediate frequency that sequence reads digital frequency memory storage inside emits pulse, by delay and Doppler
Simulated target echo-signal is modulated, up-conversion network is then sent to and becomes penetrating for 400MHz~3300MHz and 9.5GHz~16GHz
Frequency signal, in frequency conversion and transmitting unit to signal carry out switch modulation, amplitude modulate, most afterwards after power amplifier is by power amplification from
Transmitting antenna externally emits, and the coupler of power amplifier final stage is coupled out is sent into signal monitoring unit to the radiofrequency signal function of transmitting all the way
Rate is monitored.
In display control unit, by display control software, system parameter, radar running parameter, target RCS etc. are set
Parameter, carries out the resolving and generation of initial combat, and is issued to digital frequency memory unit.Technology generator root inside digital frequency memory
According to initial combat, carries out combat decomposition and calculate distance of each target relative to radar according to combat situation, determine each target
Time delay value of the echo-signal relative to radar transmitted pulse, it is suitable with these time delay values in the case where zero distance pulse envelope signal synchronizes
The corresponding intermediate frequency that sequence reads digital radiofrequency memory storage emits pulse, and the target that accurate simulation corresponds to different delay value is returned
Wave impulse.
Radial direction in order to simulate the Doppler frequency shift of coherent target echo, by technology generator according to each target with respect to radar
Movement velocity calculates the Doppler frequency shift of target echo, and Doppler frequency signal is added in radar baseband signal, generates thunder
Up to target echo intermediate-freuqncy signal, i.e., it joined the values of Doppler frequency shift of target in medium-frequency pulse signal.Through time delay and Doppler
The intermediate frequency target echo signal pulse signal of modulated by frequency shift carries out the radio frequency letter that up-conversion becomes radar emission through up-conversion network
Number.
Signal monitoring unit mainly monitors the signal at two, is the letter for monitoring the subject radar that receiving antenna receives all the way
Number, another way monitoring complete machine passes through the radiofrequency signal that power amplifier is launched.The two signals are transmitted on display and control unit interface, with
The combat of actual setting is compared to each other, if being unsatisfactory for combat set by software interface, can be adjusted in real time micro- inside complete machine
Wave module, so that reality output reaches desired combat setting.
Claims (4)
1. a kind of radar beacon machine, including dual-mode antenna, transmit-receive switch, receiving unit, digital frequency memory unit, reception and down coversion
Unit, computer control unit, up-conversion and transmitting unit, power amplifier, instantaneous frequency measurement unit, display and control unit, power supply, signal criterion
Source, mark frequency and local oscillator unit, characterized in that be equipped with signal monitoring unit, detection comparison circuit, letter are equipped in signal monitoring unit
Number monitoring unit receives the signal from antenna or a reference source and carries out detection to signal by detection comparison circuit；Signal monitoring
Unit receives the coupling tributary signal of output power amplifier, and the measurement of output power is completed by detection comparison circuit.
2. a kind of radar beacon machine according to claim 1, characterized in that receiving antenna receives subject radar emission signal
That is radiofrequency signal is sent into letter by a single-pole double-throw switch (SPDT) selection after receiving unit carries out clipping, filtering processing all the way
Number monitoring unit is monitored received signal power, and another way, which is sent into, to be received and down-converter unit；
Radiofrequency signal passes through low noise amplification in reception and down-converter unit, and function is divided into two-way, send instantaneous frequency measurement unit all the way,
Pulsewidth, pulse arrival time parameter measurement are carried out, and parameter is sent to digital frequency memory unit；Another way sent after frequency conversion to
Digital frequency memory unit is as sample signal, for generating echo signal；
It receives and down-converter unit is by its internal pulse shaper generation zero distance pulse envelope signal, it is same to be used as system
Step pulse signal, zero distance pulse envelope signal are used as digital frequency memory circuit ADC sampled reference signal；Reception and down-converter unit
Digital frequency memory unit will be faded under the signal of 400MHz~3300MHz and 9.5GHz~16GHz by its internal converter unit
Required intermediate frequency baseband signal, intermediate frequency baseband signal and zero distance pulse envelope signal are synchronous in time；
Local oscillation signal needed for reception and down-converter unit is provided by mark frequency and local oscillator unit.
3. a kind of radar beacon machine according to claim 2, characterized in that the number frequency memory unit, including number storage
Frequency plate and Interface Control Panel, technology generator；Technology generator controls digital frequency memory plate pair according to zero distance pulse envelope signal
The radar mean frequency baseband signal that reception and down-converter unit are sent carries out high-speed sampling, stores to sliding window formula digital frequency memory plate
In memory block, resolved further according to the target component that display control unit is sent, calculate the time delay value of each pulse, zero away from
It is synchronized down from pulse envelope signal, generates read control signal with the time delay value of each pulse, sequence reads digital frequency memory intralamellar part
The intermediate frequency of storage emits pulse, by delay and Doppler modulation simulated target echo-signal, is then sent to up-conversion and transmitting
Unit becomes the radiofrequency signal of 400MHz~3300MHz and 9.5GHz~16GHz, to 400MHz in up-conversion and transmitting unit
The radiofrequency signal of~3300MHz and 9.5GHz~16GHz carries out switch modulation, amplitude modulation, most afterwards through power amplifier by power amplification
Externally emit from transmitting antenna afterwards, the coupler of power amplifier final stage is coupled out the radio frequency letter for being sent into signal monitoring unit all the way to transmitting
Number power is monitored；Local oscillation signal needed for up-conversion and transmitting unit is provided by mark frequency and local oscillator unit；
Computer control unit is connected with digital frequency memory unit and display and control unit, and computer control unit receives under display and control unit
The control command of hair after the resolving for carrying out target range and speed, is issued to digital frequency memory unit and completes corresponding control；Simultaneously
Computer control unit receives the data that digital frequency memory unit uploads.
4. a kind of radar beacon machine according to claim 3, characterized in that the power supply is that radar beacon machine is that transmitting-receiving is opened
Pass, power amplifier, up-conversion and transmitting unit, mark frequency and local oscillator unit, signal criterion source, receiving unit, single-pole double-throw switch (SPDT), reception
And down-converter unit, instantaneous frequency measurement unit, signal monitoring unit provide power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821208001.5U CN208805564U (en) | 2018-07-28 | 2018-07-28 | A kind of radar beacon machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821208001.5U CN208805564U (en) | 2018-07-28 | 2018-07-28 | A kind of radar beacon machine |
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| CN208805564U true CN208805564U (en) | 2019-04-30 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111505595A (en) * | 2020-07-06 | 2020-08-07 | 四川天中星航空科技有限公司 | Radar moving target simulation system |
| CN112180352A (en) * | 2020-08-24 | 2021-01-05 | 西安空间无线电技术研究所 | High-integration-level comprehensive radio frequency sensing array system |
| CN112782701A (en) * | 2021-02-10 | 2021-05-11 | 深圳成谷科技有限公司 | Visibility perception method, system and equipment based on radar |
| CN112803963A (en) * | 2020-12-31 | 2021-05-14 | 福建星海通信科技有限公司 | Non-directional beacon equipment with communication function |
| CN113391313A (en) * | 2020-03-13 | 2021-09-14 | 广东华风海洋信息***服务有限公司 | All-in-one sea radar observation device |
-
2018
- 2018-07-28 CN CN201821208001.5U patent/CN208805564U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113391313A (en) * | 2020-03-13 | 2021-09-14 | 广东华风海洋信息***服务有限公司 | All-in-one sea radar observation device |
| CN111505595A (en) * | 2020-07-06 | 2020-08-07 | 四川天中星航空科技有限公司 | Radar moving target simulation system |
| CN112180352A (en) * | 2020-08-24 | 2021-01-05 | 西安空间无线电技术研究所 | High-integration-level comprehensive radio frequency sensing array system |
| CN112180352B (en) * | 2020-08-24 | 2024-06-11 | 西安空间无线电技术研究所 | High-integration comprehensive radio frequency sensing array system |
| CN112803963A (en) * | 2020-12-31 | 2021-05-14 | 福建星海通信科技有限公司 | Non-directional beacon equipment with communication function |
| CN112803963B (en) * | 2020-12-31 | 2022-05-10 | 福建星海通信科技有限公司 | Non-directional beacon equipment with communication function |
| CN112782701A (en) * | 2021-02-10 | 2021-05-11 | 深圳成谷科技有限公司 | Visibility perception method, system and equipment based on radar |
| CN112782701B (en) * | 2021-02-10 | 2024-04-02 | 深圳成谷科技有限公司 | Method, system and equipment for sensing visibility based on radar |
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