doppler specan

Fs = 2.048 MHz Fc = 0.000 MHz FFT = 2048

-- fps

Tone freq 100 kHz

Tone power -20 dBm

Noise floor -90 dBm

Ref level +10 dBm

Range 160 dB

doppler — dead-simple, ultra-fast DSP NCO + AVX-512 → FFT → canvas