In the profile.cfg in the SDK, the cfarcfg threshold is set to 15.0. Please tell me the reason for this value.
C:\ti\mmwave_sdk_03_05_00_04\packages\ti\demo\xwr18xx\mmw\profiles\profile_3d.cfg
cfarCfg -1 0 2 8 4 3 0 15.0 0
cfarCfg -1 1 0 4 2 3 1 15.0 0