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MMWAVE-SDK: About range index and NFFT

Hiroyuki Kanematu
Expert 2975 points
Part Number: MMWAVE-SDK
Other Parts Discussed in Thread: AWR1843BOOST

Hello, I would like to ask about calculating the angle of the XY plane.

In the materials below, ωx (the phase of the XY plane) is written as (2π*kmax)/N.

C:\ti\mmwave_sdk_03_05_00_04\packages\ti\datapath\dpc\dpu\aoaproc\docs\doxygen\html\index.html

(About ωx in that document.)

k is a Range index and N is a one-dimensional FFT.
How tunable is the 1D FFT?
Also, how can I find the Range index of AWR1843BOOST?

If you have any materials, please post them.

  • 0
    TI__Mastermind 20605 points

    Hi,

    Please note that N here is the size of the angle FFT (3rd dimensional) & k refers to the peak bin index in the respective angle FFT. We do not have explicit documents explaining the same. We kindly request you to understand the same by going through the doxygen and the source code.

    Regards,

    Kaushik