CCS/IWR6843: HAVC Tuning Question

Tool/software: Code Composer Studio

Dear TI

                 We have scan SNR value of  HAVC lab with our in-house design module with 6843 as below.

                 1 Our question why have this SNR result ? What is the root cause ? Antenna design or DOA setting issue ?

                 2 DOA parameter how to setting ? We can not find any user guide for tuning .

                 3. SNR how to improve ?

                 4. It's a big issue at people counting have different region SNR . Any suggestion ?

        doaCfg.estAngleRange       = (float) atoi (argv[1]) * 0.1f;

       doaCfg.estAngleResolution     = (float) atoi (argv[2]) * 0.001f;

       doaCfg.gamma           = (float) atoi (argv[3]) * 0.001f;

       doaCfg.clutterRemovalFlag = (uint8_t) atoi (argv[4]);

       doaCfg.dopplerOversampleFactor = (uint8_t) atoi (argv[5]);

       doaCfg.useCFAR4DopDet = (uint8_t) atoi (argv[6]);

       doaCfg.dopCfarThr = (float) atoi (argv[7]) * 0.1f;

       doaCfg.dopCfarGuardLen = (uint8_t) atoi (argv[8]);

       doaCfg.scaleDopCfarOutCFAR = (uint8_t) atoi (argv[9]);