Imaging Radar Using Cascaded mmWave Sensor Reference ...
TX1TX2TXN. . . d2dN1TIDUEN5A June2019 RevisedMarch2020SubmitDocumentationFeedb ackCopyright 2019 2020,TexasInstrumentsIncorporatedImaging RadarUsingCascadedmmWaveSensorReferenceD esignDesignGuide:TIDEP-01012ImagingRadar UsingCascadedmmWaveSensorReferenceDesign DescriptionThis referencedesignprovidesa foundationfor aCascadedImagingRadarRF supportlong-rangeradar(LRR) beam -forminga pplicationsas well as medium-range(MRR)and short-rangeradar(SRR)MIMOapplicationswit h AWR2243CascadeRadarRF developmentkithas beenusedto estimateand trackthe position(inthe azimuthalplane)beyond350 meterswith a multi-device, ,thissystemhas demonstratedazimuthangularresolutionsas smallas degreesin a datapresentedin this designguidewas obtainedusingMMWCAS-RF-EVMRevisionC, that ,the latestMMWCAS-RF-EVMRevisionD makesuse of the secondgeneration, AWR2243solutionshouldbe referencedfor E2E supportforumsFeatures Two or four-chipFMCWradarsensorfor LRR,MRR,and SRRapplications Detectobjects(for example,cars and trucks)at adistancebeyond350-mwith rangeresolutionof 35cm; humanRCSobjectsdetectableat a distanceof150-m Antennafield of view 70 with angularresolutionof degrees MA
TIDEP-01012 is an introductory application that demonstrates both a long-range beam-forming configuration, and a shorter range, high-angular resolution MIMO configuration. This reference design can be used as a starting point to design a standalone sensor for a variety of long range and imaging radar applications.
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