Andy Piper 449d9814ab AP_GyroFFT: add FFT_OPTIONS to allow post-filter sampling of IMUs ... provide method to determine noise at a particular frequency add ability to record per-peak SnR correct bad array indexing leading to free memory read track all three axes for health and peaks remove slewed frequency values, since slewing is now done in the filters ReplayGyroFFT initial implementation allow IMU data to be read and written from a file only build Replay on SITL correctly calibrate FFT in Replay better noise simulation in Replay FTN3 logging allow FFT peaks to swap indefinitely as long as they both still exist. Leads to much smoother frequency transitions increase the energy gap required to switch the tracked peak use exit on stop for Replay filter noise tracking more aggressively for post-filter samples remove message and use appropriate gyro window when using post-filter do not fallback to throttle-based estimate AP_GyroFFT: default SnR to 10 when using post-filter samples		2022-12-28 18:14:56 +11:00
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ReplayGyroFFT	…