Transcription of Programming Chirp Parameters in TI Radar Devices
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1 SWRA553 May 2017 SubmitDocumentationFeedbackCopyright 2017,TexasInstrumentsIncorporatedProgram mingChirpParametersin TI RadarDevicesApplicationReportSWRA553 May 2017 ProgrammingChirpParametersin TI RadarDevicesVivekDhamABSTRACTT hisapplicationreportprovidesinformationo n how to selectthe rightchirpparametersin a fast FMCWR adardevicebasedon the end applicationand use case,and programthemoptimallyon TI s ChirpConfigurationon of the FrameStructureShowingThreeBurstsLoopedTw ice(startindexhavingan offsetof 2)..119 Exampleof AdvancedFrameConfigurationof Two Sub of Tables1 ExampleChirpConfigurationsfor a Functionof DFEM odeand May 2017 SubmitDocumentationFeedbackCopyright 2017,TexasInstrumentsIncorporatedProgram mingChirpParametersin TI RadarDevicesTrademarksAll trademarksare the propertyof (FMCW)mmWaveradarsensorsare becomingincreasinglypopularfor multipleautomotiveand systemrequirementsand care-aboutsineachof theseapplicationscouldbe very ,rangeresolution,max velocityrequirement,sensorfield of view,datamemory,processorMIPS,and so forthare someof the aspectsthat needto be analyzedbasedon the end relationshipsbetweentheFMCW chirpconfigurationand systemperformanceparametershelpsin selectingthe s mmwaveradardevices(MMIC)providelargeflex ibilityin configuringchirpparametersand a
2 sinS Td O C Unambiguousmaxvelocity 2NT, , C Unambiguousmaxvelocity 4T resolution c Range 2 B u Impact of Chirp Configuration on System Parameters www.ti.com 4 SWRA553–May 2017
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