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AWR2944: HWA Magnitude Computation

yiyingyang
Prodigy 40 points
Part Number: AWR2944

Some questions confuse me,I really need help.

The radar works in DDMA mode.

What is the specific computation about log2|.| in HWA? How to revert the real magitude accoriding the output？

Here is an example to explain my question specifically.

After HWA computation,RDMAP can be obtained.

The noise calculated is 15000,while the magnitude of one point is 50000.

How to define the computation of SNR?

  • 0
    TI__Genius 10240 points

    Hi Yiyingyang,

    yiyingyang said:
    What is the specific computation about log2|.| in HWA? How to revert the real magitude accoriding the output？

    Can you be more precise?

    yiyingyang said:
    How to define the computation of SNR?

    You can refer to DPC_ObjDet_estimateXYZ function in mmwave_mcuplus_sdk_<ver>\mmwave_mcuplus_sdk_<ver>\ti\datapath\dpc\objectdetection\objdethwaDDMA\src\objectdetection.c to check how SNR is calculated.

    Regards,

    Samhitha