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AWR1642BOOST: Human when static is not detected using awr1642 1.05SDK

Maruthi Machani
Intellectual 390 points
Part Number: AWR1642BOOST

Hi,

Human when moving is identified but unable to detect human when static using the SDK1.05, human is with in 15Meters range.

Following are the configuration settings:

sensorStop 
flushCfg  
dfeDataOutputMode 1  
channelCfg 15 3 0  
adcCfg 2 1  
adcbufCfg 0 0 1 1  
profileCfg 0 77 110 7 57.14 0 0 8 1 256 5209 0 0 48  
chirpCfg 0 0 0 0 0 0 0 1  
chirpCfg 1 1 0 0 0 0 0 2  
frameCfg 0 1 64 0 40 1 0  
guiMonitor 1 1 0 0 0 1  
cfarCfg 0 0 8 4 4 0 5120  
cfarCfg 1 0 4 2 3 0 5120  
calibDcRangeSig 1 -5 8 256  
peakGrouping 1 1 1 1 255  
multiObjBeamForming 1 0.5  
sensorStart
Regards,
Maruthi.
  • 0
    TI__Expert 4720 points

    Hi Maruthi,

    If you are interested in the problem of 'people detection' using radar, I would suggest looking at the people counting reference design ().

    I would also suggest that you move to SDK 1.1, as it has an additional feature (called clutter removal) that would help with nearly stationary objects (like people).

    If you would like understand as to why people are not detected using your current configuration, you can collect ADC data of a single frame and process it offline to see why detections are not occuring. You might discover that the clutter in the scene is too dominant, or that the SNR requirement (for CFAR) is too high.

    Regards

    Anil

  • 0 in reply to Anil Mani
    Intellectual 390 points
    Hi Anil,

    Please can you tell where to download the Ti offline Radar processing chain.

    Regards,
    Maruthi.
  • 0 in reply to Maruthi Machani
    TI__Expert 4720 points
    Hi Maruthi,

    We do not have an offline Radar processing chain currently published online.

    Regards
    Anil
  • 0 in reply to Anil Mani
    TI__Expert 4720 points

    Hi Maruthi,

    One thing you can do (as a temporary measure) is to check the 1D profile in the Radar Visualizer. Enable the option for 1D profile and see if the target (in this case a person is visible).

    You can then reduce the CFAR threshold until the person is visible. You can try the modified configuration given below.

    sensorStop 
    flushCfg  
    dfeDataOutputMode 1  
    channelCfg 15 3 0  
    adcCfg 2 1  
    adcbufCfg 0 0 1 1  
    profileCfg 0 77 110 7 57.14 0 0 8 1 256 5209 0 0 48  
    chirpCfg 0 0 0 0 0 0 0 1  
    chirpCfg 1 1 0 0 0 0 0 2  
    frameCfg 0 1 64 0 100 1 0  
    guiMonitor 1 1 1 0 0 1  
    cfarCfg 0 0 8 4 4 0 5120  
    cfarCfg 1 0 4 2 3 0 5120  
    calibDcRangeSig 1 -5 8 256  
    peakGrouping 1 0 0 1 255  
    multiObjBeamForming 1 0.5


    Regards

    Anil