CN206114892U - Mark school equipment is responsied to radio based on chronogenesis pulse code - Google Patents

Abstract

The utility model discloses a mark school equipment is responsied to radio based on chronogenesis pulse code, response mark school equipment principal including the radio, the radio is responsied mark school equipment principal and is decoded control starting circuit and mark school installing support by emit antenna, receiving antenna, address and constitute. The utility model discloses aerial answer signal coded format is unique, be difficult for explaiing, strong interference rejection, the secret safety problem that leaks and probably cause because of radio signal has effectively been avoided in daily mark school test procedure, high sensitivity, range is big, it is low to response the bit error rate, ensure to mark the school precision, instruct through the inquire of receiving radar radiation simultaneously, and after carrying out recognition process to it, the radiation transponder pulse unanimous with the transponder, and has a self -checking function, ensure to inspect the operational capability of its main function part, artificial antenna electricity transponder function is used for the mark school to radar system.

Description

A kind of radio response calibration equipment encoded based on time sequential pulse

Technical field

This utility model is related to a kind of radio response calibration equipment technical field encoded based on time sequential pulse, particularly It is related to a kind of above water craft radar system that is applied to and detects calibration equipment.

Background technology

Radar accuracy be the target component estimated value of radar surveying relative to the levels of precision between target actual parameter value, Generally, the quality of radar measurement accuracy is characterized and is weighed with the size of its measurement error, according to source and the property of error production, Random error, systematic error and human error can be divided into, random error is also referred to as incidental error, be pure random quantity, be System error is the error component that retest changes according to certain rules, and the systematic error of radar has certain rule, is raising The accuracy of measurement data, in data handling by data smoothing, filtering suppressing random noise, and systematic error then passes through Calibration is correcting.

Radar system is a kind of ground installation by integration of equipments such as all kinds of detections, control, data transfer, communications, it Main task is to complete to detect, track and recognize, the precision of radar is the important technology index of effective detection, directly affects radar The performance of system, is elapsed over time, and the performance and technical parameter of radar system can occur drift, and system accuracy can change Become, the navigation safety of ship will be directly affected, therefore, regular accuracy checking and calibration are carried out to radar system becomes very urgent Cut, especially before ship performs significant task, after grade repairing, it is necessary to performance checking and precision calibration are carried out to system, wirelessly Electric response calibration equipment is a kind of suitable for above water craft detections of radar calibration equipment, is played in radar system technical guarantee Important function.

Utility model content

Based on the technical problem that background technology is present, the purpose of this utility model is to propose a kind of radar orientation curve to survey Examination, the technological means of antenna system calibration.

This utility model provides following technical scheme：

A kind of radio response calibration equipment encoded based on time sequential pulse, including radio response calibration equipment body, The radio response calibration equipment body is installed by transmitting antenna, reception antenna, address decoding control start-up circuit and calibration Support is constituted, and the transmitting antenna includes response transmitting antenna and response transmitting branch, and the beam angle of transmitting antenna is 6 ° ± 25 ', frequency range is millimeter wave, and transmitting antenna is that offset-fed launches surface antenna, and the reception antenna includes inquiring reception antenna and inquiry Receiving branch, the frequency of reception antenna is Ku wave bands, and beam angle is 45～75 °, and reception antenna is flat helical antenna, described The reception antenna of radio response calibration equipment body receives the high-frequency energy of radar emission and converts thereof into control signal, passes through Radio direction finding response antenna produces transponder pulse signal.

The radio response calibration equipment body is using time sequential pulse coding techniques, bistatic mode work and parameter It is independently arranged, synchronized relation is formed by the control triggering of radio response starting impulse, radio response calibration equipment body connects Receive antenna and receive radar emission signal, pass sequentially through video amplifier, shaping and enter address decoder, and with radio response calibration The address code set in equipment body is compared, and when comparing successfully, control pulse shaper forms radio answering machine and swashs Light response irradiator enabling signal.

Preferably, the circuit of the response transmitting branch is made up of DDS, doubler, PDRO, 100MHz crystal oscillator, the DDS Outfan be electrically connected with wave filter, the outfan of the wave filter is electrically connected with amplifier, the output of the amplifier End be electrically connected with manipulator, the input of the DDS is electrically connected with the outfan of doubler, the 100MHz crystal oscillators it is defeated The input for going out end with doubler is electrically connected, and the outfan of 100MHz crystal oscillators is electrically connected with the input of PDRO.

Preferably, the polarization mode of the transmitting antenna is circular polarisation or verticalization.

Preferably, the circuit of the inquiry receiving branch is by low-noise amplifier, wave filter, amplifier and power splitter group Into the outfan of the low-noise amplifier is electrically connected with wave filter, and the outfan of the wave filter is electrically connected with amplification Device, the outfan of the amplifier are electrically connected with the input of power splitter, and the outfan of the power splitter is electrically connected with The outfan for having filter cell, filter cell is electrically connected with comparator by the logarithmic detector for electrically connecting respectively, described The outfan of logarithmic detector is electrically connected with analog switch, and the outfan of the analog switch is connected with time parameter measurement.

Preferably, the radio response calibration equipment body is run for 27V ± 2.7V in AC or DC voltage, is consumed Electric current is not more than 1.5A.

This utility model provides a kind of radio response calibration equipment encoded based on time sequential pulse, aerial answer signal Coded format is unique, is difficult to crack, strong antijamming capability, effectively prevent in daily calibration test process because of radio signal Leak the secret and safe problem being likely to result in, and sensitivity is high, and operating distance is big, and the response bit error rate is low, it is ensured that calibration precision, together When by receiving the inquiry instruction of radar emission, and after being identified processing to which, radiate the transponder pulse consistent with transponder, And there is self-checking function, it is ensured that the ability to work of its main function components is checked, simulation radio transponder function is for thunder Up to the calibration of system.

Description of the drawings

Fig. 1 is a kind of radio response calibration equipment pictorial diagram encoded based on time sequential pulse of this utility model；

Fig. 2 is offset-fed parabolic antenna figure；

Fig. 3 is flat helical antenna measurement direction figure；

Fig. 4 is transmitting branch circuit composition frame chart；

Fig. 5 is receiving branch circuit composition frame chart；

Fig. 6 is changed power relation schematic diagram of the AD8313 output voltages with input signal；

Fig. 7 is pulse code time diagram；

Fig. 8 is command pulse sequence diagram；

Fig. 9 is pulse analysiss circuit theory diagrams.

In figure：1 radio response calibration equipment body, 2 reception antennas, 3 transmitting antennas, 4 calibration mounting brackets.

Specific embodiment

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only this utility model a part of embodiment, rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of this utility model protection.

As shown in figs 1-9, Fig. 1 is a kind of radio response calibration equipment reality encoded based on time sequential pulse of this utility model Thing figure；Fig. 2 is offset-fed parabolic antenna figure；Fig. 3 is flat helical antenna measurement direction figure；Fig. 4 is constituted for transmitting branch circuit Block diagram；Fig. 5 is receiving branch circuit composition frame chart；Fig. 6 shows with the changed power relation of input signal for AD8313 output voltages It is intended to；Fig. 7 is pulse code time diagram；Fig. 8 is command pulse sequence diagram；Fig. 9 is pulse analysiss circuit theory diagrams.

Fig. 1-9 are referred to, this utility model provides a kind of technical scheme：

A kind of radio response calibration equipment encoded based on time sequential pulse, including radio response calibration equipment body 1, Radio response calibration equipment body 1 is installed and is propped up by transmitting antenna 3, reception antenna 2, address decoding control start-up circuit and calibration Frame 4 is constituted, and transmitting antenna 3 includes response transmitting antenna and response transmitting branch, and the beam angle of transmitting antenna 3 is 6 ° ± 25 ', Frequency range is millimeter wave, and transmitting antenna 3 is that offset-fed launches surface antenna, and reception antenna 2 includes inquiring that reception antenna and inquiry are received Road, the frequency of reception antenna 2 is Ku wave bands, and beam angle is 45～75 °, and reception antenna 2 is flat helical antenna, and radio should The high-frequency energy for answering the reception radar emission of reception antenna 2 of calibration equipment body 1 converts thereof into control signal, by radio Orientation response antenna produces transponder pulse signal.

Radio response calibration equipment body 1 is only using time sequential pulse coding techniques, bistatic mode work and parameter Erect and put, synchronized relation, the reception of radio response calibration equipment body 1 are formed by the control triggering of radio response starting impulse Antenna 2 receives radar emission signal, passes sequentially through video amplifier, shaping and enters address decoder, and with radio response calibration The address code set in equipment body 1 is compared, and when comparing successfully, control pulse shaper forms radio answering machine and swashs Light response irradiator enabling signal.

The circuit of response transmitting branch is made up of DDS, doubler, PDRO, 100MHz crystal oscillator, and the outfan of DDS electrically connects Wave filter is connected to, the outfan of wave filter is electrically connected with amplifier, and the outfan of amplifier is electrically connected with manipulator, DDS Input be electrically connected with the outfan of doubler, the outfan of 100MHz crystal oscillators is electrically connected with the input of doubler, The outfan of 100MHz crystal oscillators is electrically connected with the input of PDRO.

The polarization mode of transmitting antenna 3 is circular polarisation or verticalization.

The circuit of inquiry receiving branch is made up of low-noise amplifier, wave filter, amplifier and power splitter, low noise amplification The outfan of device is electrically connected with wave filter, and the outfan of wave filter is electrically connected with amplifier, the outfan and work(of amplifier The input of device is divided to be electrically connected, the outfan of power splitter has been electrically connected with filter cell, the output of filter cell End is electrically connected with comparator by the logarithmic detector for electrically connecting respectively, and the outfan of logarithmic detector is electrically connected with simulation and opens Close, the outfan of analog switch is connected with time parameter measurement.

Radio response calibration equipment body 1 is run for 27V ± 2.7V in AC or DC voltage, is consumed electric current and is not more than 1.5A。

This utility model provides a kind of radio response calibration equipment encoded based on time sequential pulse, aerial answer signal Coded format is unique, is difficult to crack, strong antijamming capability, effectively prevent in daily calibration test process because of radio signal Leak the secret and safe problem being likely to result in, and sensitivity is high, and operating distance is big, and the response bit error rate is low, it is ensured that calibration precision, together When by receiving the inquiry instruction of radar emission, and after being identified processing to which, radiate the transponder pulse consistent with transponder, And there is self-checking function, it is ensured that the ability to work of its main function components is checked, simulation radio transponder function is for thunder Up to the calibration of system.

Radio response calibration equipment is instructed by receiving the inquiry of radar emission, and after being identified processing to which, spoke The transponder pulse consistent with transponder is penetrated, while having self-checking function, it is ensured that check the ability to work of its main function components, work( Can go up radio transponder function is exactly simulated for the calibration to radar system.

As shown in figure 1, radio response calibration equipment receives the signal of radar emission, Jing video amplifiers, shaping are simultaneously entered To in 1000022015.92 address decoders, and it is compared with the address code in equipment, when they are consistent, controls arteries and veins Rush shaper and form radio answering machine and laser response irradiator enabling signal, radio response calibration equipment is using transmitting-receiving point The mode of putting works, and parameter is independently arranged, and forms synchronized relation by the control triggering of radio response starting impulse, by selecting and setting Count rational reception antenna 2 and transmitting antenna 3 ensures with larger reception beam angle and launching beam width, and pulse Parameter, radiation sequential etc..

As shown in Fig. 2 transmitting antenna 3 is offset-fed reflector antenna, beam angle is 6 ° ± 25 ', and frequency range is millimeter wave, pole Change mode is circular polarisation or vertical polarization, if using vertical polarization uses light waveguide feed, if necessary to circular polarisation, just in feedback Add one section of circular polarisation changeover portion between electric section and loudspeaker.

As shown in figure 3, the frequency of reception antenna 2 is Ku wave bands, beam angle is 45～75 °, and reception antenna 2 is plane spiral shell Rotation antenna, antenna measurement direction are as shown in Figure 3.

As shown in figure 4, be transmitting branch circuit composition frame chart, the circuit of response transmitting branch by DDS, doubler, PDRO, 100MHz crystal oscillators are constituted, and the outfan of DDS is electrically connected with wave filter, and the outfan of wave filter is electrically connected with amplifier, puts The outfan of big device is electrically connected with manipulator, and the input of DDS is electrically connected with the outfan of doubler, 100MHz crystal oscillators Outfan is electrically connected with the input of doubler, and the outfan of 100MHz crystal oscillators is electrically connected with the input of PDRO.

100MHz signals are exported using crystal oscillator, and crystal oscillator output signal is divided into two-way, input is provided for 1GHz doubler all the way Signal, reference signal of another road as PDRO, reference clock of the 1GHz doubler output signal as DDS, DDS pass through frequency After a frequency in four frequencies of controlled output, and the mixing of PDRO output signals, device and amplifier are obtained accordingly after filtering Frequency, the 1/4 of the frequency correspondence fixed identification frequency of radar four of wave filter output, mixer output signal is entered to be modulated Device, is modulated according to certain rule, output pulse signal, after output of pulse signal to doubler, output to corresponding thunder Up to tranmitting frequency, after amplifier may amplify the signal to the signal of system needs, by transmitting antenna 3 to radar emission, in calibration Car to selecting one of frequency to carry out calibration during radar calibration, modulation pulse according to radar emission signal pulse require into Row modulation, constant-temperature crystal oscillator of the crystal oscillator using high stable, phase noise are better than -150dBc/Hz@1KHz, frequency Degree of stability is better than 1 × 10-7, and frequency accuracy is better than 100kHz.

1GHz doubler realized by the way of harmonic oscillator+wave filter+amplifier, harmonic oscillator input signal It is that 100MHz comes from crystal oscillator, exports the harmonic component of 100MHz, by the wave filter of 1GHz, filters harmonic oscillator output nothing With frequency component, the signal of 1GHz is amplified to the power 0dBm of DDS needs finally by amplifier.

High performance AD9858 chips of the DDS using AD companies, the frequency all the time of AD9858 can reach 1GHz, export miscellaneous Dissipate better than -55dBc, disclosure satisfy that the requirement of radio response calibration equipment discharger, the phase of 1000022015.94AD9858 Bit accumulator digit is 32, can derive that according to the theory of DDS the frequency resolution of the signal of DDS outputs is 0.23Hz, In DDS reference frequency outputs, select four suitable frequencies that one in four suitable frequencies is selected by frequency control word Output.

PDRO is that signal and reference signal by sampled phase-locked loop to realize exporting microwave frequency are locked, PDRO outputs The frequency stability and crystal oscillator of signal and DDS output signals is identical, PDRO output signals it is spuious better than -75dBc, output The selection of frequency controls fPDRO+fDDS output frequencies in X frequency ranges depending on final output frequency and the output frequency of DDS, Its frequency relation is fout=(fPDRO+fDDS) × 4.

The effect of frequency mixer is directly to be added the frequency relation of PDRO with DDS output signals, the local oscillator/radio frequency of frequency mixer Frequency range is 5GHz ~ 20GHz, and intermediate operating frequency scope is DC ~ 7GHz, and local oscillation power scope is+7dBm ~ 13dBm, frequency conversion Loss is 5dB, local oscillator-radio frequency isolation 35dB, and the effect of wave filter is to filter the output garbage signal of frequency mixer, is retained The frequency component of fPDRO+fDDS, amplifier are to amplify the frequency component that wave filter exports fPDRO+fDDS, compensate frequency mixer With the loss of wave filter, and by power bring up to doubler needs power level.

The continuous wave signal of input is modulated into pulse signal, pulse letter equivalent to a single-pole single-throw switch (SPST) by manipulator Number temporal regularity and be added to modulator control port modulation pulsion phase it is same, manipulator is less than 2.4dB in the Insertion Loss of X frequency ranges, Isolation is more than 80dB, and standing wave is less than 1.8.

The effect of doubler and amplifier is by the radiofrequency signal direct frequency doubling of X frequency ranges to Ka frequency ranges, amplifier output The signal of Ka frequency ranges is：Output 8mm signal powers 80mW.

If Fig. 5 is receiving branch circuit composition frame chart, receiving branch is mainly connect by the reception guided missile passage of reception antenna 2 The microwave signal of receipts, and microwave signal is carried out processing the frequency and time parameter of the signal that post analysis are received, inquiry connects The circuit on revenue and expenditure road is made up of low-noise amplifier, wave filter, amplifier and power splitter, and the outfan of low-noise amplifier is electrical Wave filter is connected with, the outfan of wave filter is electrically connected with amplifier, the outfan of amplifier and the input electricity of power splitter Property connect, the outfan of power splitter has been electrically connected with filter cell, and the outfan of filter cell is respectively by being electrically connected The logarithmic detector for connecing is electrically connected with comparator, and the outfan of logarithmic detector is electrically connected with analog switch, analog switch it is defeated Go out end and be connected with time parameter measurement.

The signal for receiving enters wave filter after first passing through low-noise amplifier, filters the garbage signal beyond bandwidth, so After being mixed with the DRO of a fixed frequency afterwards, by wave filter and amplifier, the signal for receiving is down-converted to after L frequency ranges Processed, processing procedure is to be divided into four road signals by power splitter, passed through corresponding band filter per road signal respectively, When carrying out calibration for a radar, the signal for receiving is only possible to fall in one of wave filter, and now the wave filter is defeated Going out has signal, and remaining wave filter does not have signal output, and filter output signal into comparator, is sentenced after logarithmic detector Not which path filter output has signal, so that it may which which frequency the signal that differentiation is currently received is, while logarithmic detector The video pulse of output after analog switch synthesizes signal all the way goes to carry out time parameter measurement, and measurement result is given 1000022015.95 control unit.

As shown in fig. 6, when signal to noise ratio is 10dB, the sensitivity -90dBW of reception device, from low-noise amplifier, makes an uproar Sonic system number can be better than 3dB, and gain is set as 10dB, therefore be -80dBW in the sensitivity of low noise amplifier output signal, After mixing and filtering amplifies, minimum signal -80dBW is exported, amplifier is used for the loss for compensating frequency mixer and wave filter, frequency Within 1GHz, signal to noise ratio is better than 7dB to range set, and four wave filter outputs enter logarithmic detector, and logarithmic detector will be adopted AD8313 circuit realirations, AD8313 bandwidth are 0.1GHz ~ 2.5GHz, and dynamic range is 70dB, and output voltage is with input signal Changed power and change, Changing Pattern is as shown in Figure 6.

In this utility model, the overall major parameter of radio response calibration equipment body 1.

During transmitting：It is operated under the frequency of four kinds of fixed code names, the frequency of the transmission signal under all use conditions is missed ± 5 megahertzs of difference, 80 milliwatt of power level of the pulse signal for sending, transmission signal are operated in the side of transmitting antenna 3 under 0.5Pmax It it is 6 ° ± 40 ' to line width, the polarizability of radiation signal is circle.

During reception：The reception of four kinds of code name frequencies is realized, in signal/noise ratio is under 10dB, the sensitivity of reception device- 90dBW, 30～35 М Hz of transmission frequency band of code name frequency, under 0.5 Р max levels, the deflection of reception antenna 2 is 45～ 75, the non-stop run time is 8 hours, is interrupted 1 hour, the DC voltage 27V ± 2.7V of needs, consumes electric current and is not more than 1.5A, 405 × 340 × 400 mm of overall dimensions.

As shown in fig. 7, time sequential pulse coding rule：

A. the formation basic theory of command pulse sequence：Command pulse sequence is formed by the command encoder of radar, it is ensured that to right The radio response calibration equipment of address is answered to transmit two constant instructions " course angle constant instruction HXC ", " height constant instructions GDC ", " arming instructs JCB ", " transponder inquiry instruction YDX ", optics transponder enabled instruction " is exchanged and terminates JJ ", is referred to The code of order was encoded by interpulse period, and when instruction code is carried out and sizes values are encoded, dispersion ratio is 0.995 micro- Second, " course angle constant instruction HXC ", " height constant instruction GDC " are made up of three pulse groups, " transponder inquiry instruction YDX " It is to be made up of a three pulse groups and nine Ge Liang pulses races, instruction " exchange and terminate JJ " is constituted with a two pulse groups, in office In what set of pulses group between the first pulse and second pulse at intervals of guided missile address AP, first pulse and the 3rd arteries and veins Between punching at intervals of instruction code.

If Fig. 8 is command pulse sequential structure, first pulse of pulse group " transponder inquiry instruction YDX " and instruction arteries and veins Rush group " course angle constant instruction HXC ", between first pulse of " height constant instruction GDC " at intervals of instruction size value, Instruction " arming instructs JCB " replaces instruction " transponder inquiry instruction YDX " to be transmitted.

Transmission instruction is distributed in potential point, and each potential point is asymmetric on a timeline, is instructed " HXC ",

" GDC " can take up any point in 59 potential points, and instruction " YDX " occupies first potential point,

Instruction " JJ " occupies the 22nd potential point.

When transmitter and receiver works, in order to ensure that fixed duty ratio will add to command pulse sequence：Six Two pulse groups of guided missile address AP, pulse group are evenly distributed on interval after instruction " YDX " transmission；When instruction " HXC " and " GDC " When pulse group is overlapped with instruction " YDX " pulse group, there is the 12nd and the 13rd guided missile address pulse group.

By first and the 3rd time interval between pulse tT, tpkb, tk, tb in the form of three pulses determine pulse Attribute.

The sequence that clock pulses and command pulse are formed on element outputs is formed in instruction, these pulses are cumulatively added, send out It is sent in 3 manipulator of transmitting antenna, is converted into radio signal and is radiated to calibration device orientation.

B., during instruction analysis calibration in radio response calibration equipment, send out from radar system instruction path antenna The high-frequency signal penetrated, is received by radio response calibration device antenna, and the microwave from antenna itself enters into inspection Jing after frequency conversion In ripple device, pulse analysiss electricity is entered into the form of address pulse, clock pulses and command pulse by the signal of diode detection Lu Zhong.

Address and command pulse decoding that pulse analysiss circuit is spaced to appointment codes, isolate course and height control electricity Pressure, radio response control instruction.

It is illustrated in figure 9 pulse analysiss circuit, including guided missile address storage devices, guided missile address decoder, command pulse Decoder, echo impulse shaper and crystal oscillator composition, guided missile address code number format for binary code repressentation three Digit, is set by the associated button of upper control computer man-machine dialog interface, and the pulse train that cymoscope comes enters into guided missile In address decoder, guided missile address code is spaced the address code interval with storage in the storage device and is compared by it, when When they are consistent, sending command pulse decoding allows instruction.

When the guided missile address code of two pulses reaches pulse analysiss circuit every time, radio response calibration equipment starts arteries and veins Rush shaper and send manipulator starting " synchronization " instruction.

The above, only this utility model preferably specific embodiment, but protection domain of the present utility model is not Be confined to this, any those familiar with the art in the technical scope that this utility model is disclosed, according to this practicality New technical scheme and its utility model design in addition equivalent or change, should all cover in protection model of the present utility model Within enclosing.

Claims (5)

1. a kind of radio response calibration equipment encoded based on time sequential pulse, including radio response calibration equipment body（1）, It is characterized in that：The radio response calibration equipment body（1）By transmitting antenna（3）, reception antenna（2）, address decoding control Start-up circuit processed and calibration mounting bracket（4）Composition, the transmitting antenna（3）Including response transmitting antenna and response transmitting Road, transmitting antenna（3）Beam angle be 6 ° ± 25 ', frequency range is millimeter wave, transmitting antenna（3）Launch surface antenna, institute for offset-fed State reception antenna（2）Including inquiry reception antenna and inquiry receiving branch, reception antenna（2）Frequency be Ku wave bands, wave beam width Spend for 45～75 °, reception antenna（2）For flat helical antenna, the radio response calibration equipment body（1）Reception antenna （2）The high-frequency energy for receiving radar emission converts thereof into control signal, produces response arteries and veins by radio direction finding response antenna Rush signal；

The radio response calibration equipment body（1）Using time sequential pulse coding techniques, bistatic mode work and parameter It is independently arranged, synchronized relation, radio response calibration equipment body is formed by the control triggering of radio response starting impulse（1）'s Reception antenna（2）Radar emission signal is received, video amplifier, shaping is passed sequentially through and is entered address decoder, and should with radio Answer calibration equipment body（1）The address code for inside setting is compared, and when comparing successfully, control pulse shaper forms radio should Answer machine and laser response irradiator enabling signal.

2. it is according to claim 1 it is a kind of based on time sequential pulse encode radio response calibration equipment, it is characterised in that： The circuit of the response transmitting branch is made up of DDS, doubler, PDRO, 100MHz crystal oscillator, and the outfan of the DDS electrically connects Wave filter is connected to, the outfan of the wave filter is electrically connected with amplifier, and the outfan of the amplifier is electrically connected with tune Device processed, the input of the DDS are electrically connected with the outfan of doubler, outfan and the doubler of the 100MHz crystal oscillators Input is electrically connected, and the outfan of 100MHz crystal oscillators is electrically connected with the input of PDRO.

3. it is according to claim 1 it is a kind of based on time sequential pulse encode radio response calibration equipment, it is characterised in that： The transmitting antenna（3）Polarization mode be circular polarisation or verticalization.

4. it is according to claim 1 it is a kind of based on time sequential pulse encode radio response calibration equipment, it is characterised in that： The circuit of the inquiry receiving branch is made up of low-noise amplifier, wave filter, amplifier and power splitter, the low noise amplification The outfan of device is electrically connected with wave filter, and the outfan of the wave filter is electrically connected with amplifier, the amplifier it is defeated The input for going out end with power splitter is electrically connected, and the outfan of the power splitter has been electrically connected with filter cell, filtering The outfan of device unit is electrically connected with comparator, the outfan electricity of the logarithmic detector by the logarithmic detector for electrically connecting respectively Property be connected with analog switch, the outfan of the analog switch is connected with time parameter measurement.

5. it is according to claim 1 it is a kind of based on time sequential pulse encode radio response calibration equipment, it is characterised in that： The radio response calibration equipment body（1）Run for 27V ± 2.7V in AC or DC voltage, consume electric current and be not more than 1.5A。