Emily_DRFM_RTS_CN

1、 Synopsis Corporation Group all rights reserved 2012 - Presentation 1 - DRFMs 數(shù)字射頻存儲器(Digital Radio Frequency Memory) Synopsis Corporation Group all rights reserved 2012 - Presentation 2 - 應(yīng)用應(yīng)用Applications A/DD/AMemory數(shù)字轉(zhuǎn)換器數(shù)字轉(zhuǎn)換器DigitizerArbitrary Waveform Generator (AWG)Direct Digital Synthesizer (D

2、DS) Digital Radio Frequency Memories (DRFM) 123Digital Receiver Synopsis Corporation Group all rights reserved 2012 - Presentation 3 - Digital Radio Frequency Memories (DRFM) are used= RF信號存儲信號存儲to store RF signals= 可編程時(shí)間延遲并回放（距離延遲）for replay after a programmable time delay (Range delay)延遲的RF信號上可加上調(diào)

3、制信息：Modulation may be applied to the delayed RF signal to emulate effects = 信號頻率（多普勒）信號頻率（多普勒） on signal frequency (Doppler),=極化（極化（RCS） polarization (RCS),=相位相位 & 幅度幅度 phase and amplitude (Clutter)DRFMs Synopsis Corporation Group all rights reserved 2012 - Presentation 4 - SimulatorsRadars (Radar T

4、argets Simulator)Missile Seekers (Close loop real time simulation)Satellite CommunicationsGPS (receiver tests in jamming environment)Cellular/PCS/Wireless CommunicationsElectronic Countermeasures SystemsIntelligence (receiver tests in jamming environment)Radars (Test and Evaluation, Training)ECM (ja

5、mming effectiveness)ECCM techniques (RGPO, VGPO, Inverse gain, etc)Missile Seekers (Test and Evaluation, Training)DRFM應(yīng)用應(yīng)用 Applications模擬器模擬器雷達(dá)（雷達(dá)目標(biāo)模擬）雷達(dá)（雷達(dá)目標(biāo)模擬）導(dǎo)彈導(dǎo)引頭（閉環(huán)實(shí)時(shí)模擬）導(dǎo)彈導(dǎo)引頭（閉環(huán)實(shí)時(shí)模擬）衛(wèi)星通信衛(wèi)星通信GPS (干擾環(huán)境下的接收機(jī)測試干擾環(huán)境下的接收機(jī)測試)蜂窩蜂窩/PCS/無線通信無線通信電子反對抗系統(tǒng)電子反對抗系統(tǒng)情報(bào)（干擾環(huán)境下的接收機(jī)測試情報(bào)（干擾環(huán)境下的接收機(jī)測試)雷達(dá)雷達(dá) (Test and Ev

6、aluation, Training)ECM (jamming effectiveness)ECCM techniques (RGPO, VGPO, Inverse gain, etc)Missile Seekers (Test and Evaluation, Training) Synopsis Corporation Group all rights reserved 2012 - Presentation 5 - InstrumentationAutomatic Test EquipmentNuclear eventsHigh Energy PhysicsPulse power sour

7、ceUltrasound : medical diagnosticsNon destructive testingLaser induced phenomenaDRFM Applications儀器使用儀器使用自動測試設(shè)備自動測試設(shè)備核事件核事件高能物理高能物理脈沖功率源脈沖功率源超聲波：醫(yī)療診斷超聲波：醫(yī)療診斷非破壞性檢查非破壞性檢查激光誘發(fā)現(xiàn)象激光誘發(fā)現(xiàn)象 Synopsis Corporation Group all rights reserved 2012 - Presentation 6 - DRFM System architectureRF Frontend for RF-IF d

8、own conversionADC / DEMUXDigital MemoryDoppler modulatorMUX / DACRF Backend for IF-RF up conversion用于用于RF-IF下變頻的下變頻的RF前端前端ADC / DEMUXDigital MemoryDoppler modulatorMUX / DAC用于用于IF-RF上變頻的上變頻的RF后端后端 Synopsis Corporation Group all rights reserved 2012 - Presentation 7 - DRFM SpecificationsSample Rate20

9、00 MHzData Sample Size1 - 10 bitsProgrammable Time Delay0 - 4ms/4nsTime Delay Resolution 8/2/1 nsSignal Latency200nsDoppler Shift 10 MHzDoppler Resolution1 HzDigital to Analog Conversion 1 - 12 bits 采樣率采樣率2000 MHz采樣數(shù)據(jù)位寬采樣數(shù)據(jù)位寬1 - 10 bits可編程時(shí)延可編程時(shí)延0 - 4ms/4ns時(shí)延分辨率時(shí)延分辨率8/2/1 ns信號等待時(shí)間信號等待時(shí)間200ns多普勒頻移多普勒

10、頻移 10 MHz多普勒分辨率多普勒分辨率1 Hz數(shù)模轉(zhuǎn)換數(shù)模轉(zhuǎn)換 寬度寬度 1 - 12 bits Synopsis Corporation Group all rights reserved 2012 - Presentation 8 - DRFM Range simulationDRFM距離模擬距離模擬XXDirect Digital Synthesizer for Doppler GeneratorA/DD/ALO frequencyLO frequency + DopplerDelay LineDelay generatorDigital Control InterfaceRange

11、 = DelayRF output Synopsis Corporation Group all rights reserved 2012 - Presentation 9 - DRFM Doppler simulationDRFM多普勒模擬多普勒模擬XXDirect Digital Synthesizer for Doppler GeneratorA/DD/ALO frequencyLO frequency + DopplerDelay LineDelay generatorDigital Control InterfaceBypass modeRF output Synopsis Corp

12、oration Group all rights reserved 2012 - Presentation 10 - DRFM Clutter simulationDRFM雜波模擬雜波模擬I/QXXDirect Digital Synthesizer Doppler I/Q modulatorA/DD/ALO frequencyClutter:AltitudeMain lobeSide lobesDelay LineDelay generatorDigital Control InterfaceMemorized pulse is continuously looped up to radar

13、 horizonRF output Synopsis Corporation Group all rights reserved 2012 - Presentation 11 - IF 上上/下變頻轉(zhuǎn)換下變頻轉(zhuǎn)換DRFMReceiver AmplifiersS SEmitter AmplifiersS SAgile synthesizerLocal OscillatorNoise generationDoppler generationDRFM sub-systemIF Up/Down conversion Synopsis Corporation Group all rights reser

14、ved 2012 - Presentation 12 - 多路多路DRFM 模擬器模擬器RTS simulator can handle a multiple DRFM configuration for capability enhancementDRFMReceiver AmplifiersS SEmitter AmplifiersS SAgile synthesizerLocal OscillatorClutterHigh resolutionStandardStandardStandardNoise generationDoppler generationDRFMDRFMDRFMDRF

15、MMultiple DRFM simulator Synopsis Corporation Group all rights reserved 2012 - Presentation 13 - Radar Target Simulator 雷達(dá)目標(biāo)模擬器（雷達(dá)目標(biāo)模擬器（RTS） Synopsis Corporation Group all rights reserved 2012 - Presentation 14 - Based on DRFMRadar Target Simulator基于基于DRFM Synopsis Corporation Group all rights reser

16、ved 2012 - Presentation 15 - 入射雷達(dá)脈沖入射雷達(dá)脈沖飛機(jī)雷達(dá)回波飛機(jī)雷達(dá)回波Echo t shift allows target distance measurement f Doppler shift allows target velocity measurement tf + f1fA1 A2f + f2Radar Target Simulator principlesIncoming radar pulseAircraft radar echo t 允許目標(biāo)距離測量的時(shí)間偏移允許目標(biāo)距離測量的時(shí)間偏移 f 允許目標(biāo)速度測量的多普勒頻移允許目標(biāo)速度測量的多普

17、勒頻移 Synopsis Corporation Group all rights reserved 2012 - Presentation 16 - How to simulate one or several virtual targets to a real emitting radar ? Operation principle如何模擬一個(gè)真實(shí)發(fā)射雷達(dá)的一個(gè)或多個(gè)虛擬目標(biāo)？如何模擬一個(gè)真實(shí)發(fā)射雷達(dá)的一個(gè)或多個(gè)虛擬目標(biāo)？ Synopsis Corporation Group all rights reserved 2012 - Presentation 17 - How to simul

18、ate one or several virtual targets to a real emitting radar ? Listen, detect and record an incoming radar pulse 1Operation principle如何模擬一個(gè)真實(shí)發(fā)射雷達(dá)的一個(gè)或多個(gè)虛擬目標(biāo)？如何模擬一個(gè)真實(shí)發(fā)射雷達(dá)的一個(gè)或多個(gè)虛擬目標(biāo)？偵聽、檢測和記錄入射雷達(dá)脈沖偵聽、檢測和記錄入射雷達(dá)脈沖 Synopsis Corporation Group all rights reserved 2012 - Presentation 18 - How to simulate one o

19、r several virtual targets to a real emitting radar ? Listen, detect and record an incoming radar pulse Process the recorded pulse to make it seem like a real target Velocity change : Doppler shift Distance change :Range shift Amplitude change (coherence to distance, power & RCS of target) 12Operatio

20、n principle如何模擬一個(gè)真實(shí)發(fā)射雷達(dá)的一個(gè)或多個(gè)虛擬目標(biāo)？如何模擬一個(gè)真實(shí)發(fā)射雷達(dá)的一個(gè)或多個(gè)虛擬目標(biāo)？偵聽、檢測和記錄入射雷達(dá)脈沖偵聽、檢測和記錄入射雷達(dá)脈沖 對記錄的脈沖進(jìn)行處理，使其近似一個(gè)真實(shí)目標(biāo)對記錄的脈沖進(jìn)行處理，使其近似一個(gè)真實(shí)目標(biāo)速度改變：多普勒頻移速度改變：多普勒頻移距離改變：距離偏移距離改變：距離偏移幅度改變幅度改變（與目標(biāo)距離、功率（與目標(biāo)距離、功率&RCS相參相參 ） Synopsis Corporation Group all rights reserved 2012 - Presentation 19 - How to simulate one or se

21、veral virtual targets to a real emitting radar ? Listen, detect and record an incoming radar pulse Process the recorded pulse to make it seem like a real target Velocity change : Doppler shift Distance change : range shift Amplitude change (coherence to distance, power & RCS of target) Emit the new

22、pulse to the radar receiver123Operation principle如何模擬一個(gè)真實(shí)發(fā)射雷達(dá)的一個(gè)如何模擬一個(gè)真實(shí)發(fā)射雷達(dá)的一個(gè)或多個(gè)虛擬目標(biāo)？或多個(gè)虛擬目標(biāo)？偵聽、檢測和記錄入射雷達(dá)脈沖偵聽、檢測和記錄入射雷達(dá)脈沖 對記錄的脈沖進(jìn)行處理，使其近似對記錄的脈沖進(jìn)行處理，使其近似一個(gè)真實(shí)目標(biāo)一個(gè)真實(shí)目標(biāo)速度改變：多普勒頻移速度改變：多普勒頻移距離改變：距離偏移距離改變：距離偏移幅度改變幅度改變（與目標(biāo)距離、功率（與目標(biāo)距離、功率&RCS相相參參 ）向雷達(dá)發(fā)射機(jī)發(fā)射新的脈沖向雷達(dá)發(fā)射機(jī)發(fā)射新的脈沖 Synopsis Corporation Group all righ

23、ts reserved 2012 - Presentation 20 - How to simulate one or several virtual targets to a real emitting radar ? Listen, detect and record an incoming radar pulse Process the recorded pulse to make it seem like a real target Velocity change : Doppler shift Distance change : range shift Amplitude chang

24、e (coherence to distance, power & RCS of target) Emit the new pulse to the radar receiverThe system able to perform these operations is the123Operation principle如何模擬一個(gè)真實(shí)發(fā)射雷達(dá)的一個(gè)如何模擬一個(gè)真實(shí)發(fā)射雷達(dá)的一個(gè)或多個(gè)虛擬目標(biāo)？或多個(gè)虛擬目標(biāo)？偵聽、檢測和記錄入射雷達(dá)脈沖偵聽、檢測和記錄入射雷達(dá)脈沖 對記錄的脈沖進(jìn)行處理，使其近似對記錄的脈沖進(jìn)行處理，使其近似一個(gè)真實(shí)目標(biāo)一個(gè)真實(shí)目標(biāo)速度改變：多普勒頻移速度改變：多普勒頻移距離

25、改變：距離偏移距離改變：距離偏移幅度改變幅度改變（與目標(biāo)距離、功率（與目標(biāo)距離、功率&RCS相相參參 ）向雷達(dá)發(fā)射機(jī)發(fā)射新的脈沖向雷達(dá)發(fā)射機(jī)發(fā)射新的脈沖可以完成這些操作的系統(tǒng)稱為可以完成這些操作的系統(tǒng)稱為DRFM Synopsis Corporation Group all rights reserved 2012 - Presentation 21 - A DRFM is a system able to :Sample an high bandwidth input signalStore these samples into a wave memoryReplay the input s

26、ignal upon requestDRFM is a PDDL module:Programmable= All operational parameters (record length .) can be tunedDigital = Using state of the art digital sampling and storage technologyDelay line = Basic feature is a delay line compared to analog systemsDRFM 定義定義DRFM 系統(tǒng)的功能系統(tǒng)的功能:對大帶寬的輸入信號進(jìn)行采樣將采樣的數(shù)據(jù)存入波形

27、存儲器根據(jù)需要回放輸入信號DRFM是一個(gè)可編程數(shù)字延遲線（是一個(gè)可編程數(shù)字延遲線（PDDL）模塊）模塊:可編程可編程= 所有操作參數(shù)所有操作參數(shù)(記錄長度記錄長度 .) 可調(diào)可調(diào)數(shù)字?jǐn)?shù)字=采用最先進(jìn)的數(shù)字采樣和存儲技術(shù)采用最先進(jìn)的數(shù)字采樣和存儲技術(shù)延遲時(shí)間延遲時(shí)間 = 與模擬系統(tǒng)相比，基本功能是一個(gè)延與模擬系統(tǒng)相比，基本功能是一個(gè)延遲線。遲線。DRFM Definition Synopsis Corporation Group all rights reserved 2012 - Presentation 22 - Digital RF Memories are used in : Radar

28、 Target SimulatorsThe DRFM stores radar pulse and replay it when neededECM SimulatorThe DRFM can be pre-loaded with radar waveforms and ECM context (Radar, jammers, emitters .)The DRFM can play a jammer role with deception techniques implementation (RGPO,VGPO, .)DRFM 應(yīng)用應(yīng)用DRFM ApplicationsDRFM 存儲雷達(dá)脈沖

29、，并按需回放ECM 模擬器模擬器DRFM能夠預(yù)加載雷達(dá)波形和ECM環(huán)境（雷達(dá)、干擾、發(fā)射機(jī)）DRFM可以采用欺騙技術(shù)來實(shí)現(xiàn)干擾機(jī)的功能 (RGPO,VGPO, .) Synopsis Corporation Group all rights reserved 2012 - Presentation 23 - Step 1: The control interface asks for pulse recording with a write pulseStep 2: The down converted radar pulse is fed to the input stage of the

30、DRFMStep 3: The radar pulse is recorded in the DRFM digital memoryStep 4: The control interface asks for pulse re-emission with a read pulseStep 5: the delayed radar pulse is transmitted to the DRFMs output stageDRFM 工作原理工作原理DRFM theory of operation第一步：控制接口發(fā)寫脈沖請求，用于脈沖記錄第二步：雷達(dá)下變頻脈沖輸入到DRFM的輸入級第三步：雷達(dá)脈沖

31、存儲于DRFM的數(shù)字存儲器中第四步：控制接口發(fā)讀脈沖請求，用于脈沖重發(fā)第五步：延遲的雷達(dá)脈沖傳輸至DRFM的輸出級 Synopsis Corporation Group all rights reserved 2012 - Presentation 24 - DRFM writeRF inputDRFM readRF outputIncoming radar pulseOutput radar pulset_DRFM_writet_radart_write_latencyt_DRFM_latencyt_DRFM_readt_read_latencyt_read_stopt_DRFM_write

32、 duration should exceed t_radar to achieve optimal operation.DRFM 時(shí)間舉例時(shí)間舉例DRFM timing examplest_DRFM_write持續(xù)時(shí)間應(yīng)該超過持續(xù)時(shí)間應(yīng)該超過 t_radar 以獲得優(yōu)化的操作以獲得優(yōu)化的操作 Synopsis Corporation Group all rights reserved 2012 - Presentation 25 - Multiple DRFM systems are able to manage different configurations :- Extended nu

33、mber of interleaved targets- Clutter and multipath simulation with DRFMs- Different DRFM types for different targets definitionThe whole system can be reconfigured at Hard/Soft levels 為何要使用多路為何要使用多路DRFM 模擬器模擬器Why using a Multiple DRFM simulator多路多路DRFM 系統(tǒng)能夠管理不同配置系統(tǒng)能夠管理不同配置：-交叉目標(biāo)的數(shù)據(jù)可擴(kuò)展-利用DRFM進(jìn)行雜波和多徑模

34、擬 -利用不同的DRFM類型可定義不同的目標(biāo)類型整個(gè)系統(tǒng)可以在硬件整個(gè)系統(tǒng)可以在硬件/軟件級別進(jìn)行軟件級別進(jìn)行重新配置重新配置 Synopsis Corporation Group all rights reserved 2012 - Presentation 26 - RTS Computer 接口接口DSPFPGADSPDSPDSPPCcPCIGbitSwitchPCI BusGbit Ethernet networkIndustrialPCReflective MemoryGbitSwitchReflective MemoriesNetworkcPCIPCIRIG BPCI BusInd

35、ustrialPCReflective MemoryInterfaces:PCI2 x Gbit Ethernet4 x USB2Reflective MemoriesInterfaces:cPCI2 x Gbit Ethernet2 x USB2Reflective MemoriesIRIG B (option)RTS Computer Interfaces Synopsis Corporation Group all rights reserved 2012 - Presentation 27 - DSPFPGADSPDSPDSPPCcPCIGbitSwitchPCI BusGbit Et

36、hernet networkRTS Computer Interfaces IndustrialPCReflective MemoryGbitSwitchcPCIPCIRIG BPCI BusIndustrialPCReflective MemoryRTS Computer 接口接口 Synopsis Corporation Group all rights reserved 2012 - Presentation 28 - DSPFPGADSPDSPDSPPCcPCIShared Memory GbitSwitchPCI BusGiga bit Ethernet networkRTS 數(shù)據(jù)記

37、錄和數(shù)據(jù)分析數(shù)據(jù)記錄和數(shù)據(jù)分析Shared MemoryGbitSwitchShared MemoriesNetworkRTSData RecorderMasterIRIG BPCI BusData AnalysisIndustrialPCRTS Data recorder and Data Analysis Synopsis Corporation Group all rights reserved 2012 - Presentation 29 - 外部實(shí)時(shí)控制DSPFPGADSPDSPDSPPCcPCIGbitSwitchPCI BusGbit Ethernet networkIndust

38、rialPCReflective MemoryGbitSwitchReflective Memories NetworkcPCIPCIRIG BPCI BusIndustrialPCReflective MemoryReflective MemoryCustomerPCExternal Real time control Synopsis Corporation Group all rights reserved 2012 - Presentation 30 - 簡化的一次上變頻簡化的一次上變頻I/QS/1Az/2El/3DRFM outAmplitude data inBPFDDSDAC Q

39、DAC IPLOBPFBPFBPFABFUDoppler (32-bit) & Phase variation (14-bit)Amplitude variation(14-bit)CC3515CV2406Simplified first up-converterRange DelaySimplified first Up-converter Synopsis Corporation Group all rights reserved 2012 - Presentation 31 - Simplified first Up-converterI/QSAzElDRFM outAmplitude

40、data inBPFDDSDAC QDAC IPLOBPFBPFBPFABFUDoppler (32-bit) & Phase variation (14-bit)Amplitude variation(14-bit)CC3515CV2406Simplified first up-converterRange Delay簡化的一次上變頻簡化的一次上變頻 Synopsis Corporation Group all rights reserved 2012 - Presentation 32 - I/QSI/QI/QI/QDAC QDAC IRF inData inBPFDAC QDAC IDA

41、C QDAC IDAC QDAC I30dB30dB30dB30dBFPGAIDTrigger RF1 out RF2 out RF3 out RF4 outDAC Clock125MHzABFU / RFABFU / DACABFUFPGA天線波束形成單元天線波束形成單元(ABFU)Antenna Beam Forming Unit (ABFU) Synopsis Corporation Group all rights reserved 2012 - Presentation 33 - Vector modulatorsICRM8722/ADOA/PDOAFPGADACI&QQDACI&Q

42、DACI&QDACI&QIQIQIQChannel1Channel2Channel3Channel4External controlRocket I/OTrigger, ID,ClockExternal controlTrigger , ID125MHzABFU 控制器控制器ABFU controller Synopsis Corporation Group all rights reserved 2012 - Presentation 34 - Vector modulatorsUp-converterIDSPMEMORYCC3508 / ABFURef/clock/synchronizat

43、ion/trigger/PLO/distributionExt. 5/10MHzFPGADACI&QCRM8710PCI BusDSPDSPDSPDSPFPGAMEMORYMEMORYPCIRIG BReflectiveMemoryCRA8700CC9207QDACI&QDACI&QDACI&QIQIQIQUp-converterUp-converterUp-converterSAzElG1/S2/Az3/El4/G四通道ABFU 數(shù)字模塊框圖Four channels ABFU Digital block diagram Synopsis Corporation Group all righ

44、ts reserved 2012 - Presentation 35 - Vector modulatorsUp-converterICC3508/ADOA/PDOARef/clock/synchronization/trigger/PLO/distributionFPGADACI&QCRM8710DSPDSPDSPDSPFPGAMEMORYMEMORYPCIRIG BReflectiveMemoryCRA8700CC9207QDACI&QDACI&QDACI&QIQIQIQUp-converterUp-converterUp-converterChannel1Channel2Channel3

45、Channel4 RF1 RF2 RF3 RF4 CRM87XXIDSPMEMORYCC3515 FPGADDSI&QQDDSI&QDACI&QDACI&QIQIQIQPCI / IRIG network / Gbit EthernetReflective memory network四通道ADOA & PDOA 數(shù)字模塊框圖Four channels ADOA & PDOA Digital block diagram Synopsis Corporation Group all rights reserved 2012 - Presentation 36 - Vector modulatorsUp-converterICC3508/ABFU Ref/clock/synchronization/trigger/PLO/distributionFPGADACI&QCRM8710DSPDSPDSPDSPFPGAMEMORYMEMORYPCIRIG BReflectiveMemoryCRA8700CC9207QDACI&QDACI&QDACI&QIQIQIQUp-converterUp-converterUp-converterChannel1Channe