trace1 = load("traces/2412mhz.mat", "iq");
trace2 = load("traces/2432mhz.mat", "iq");
trace3 = load("traces/2452mhz.mat", "iq");
trace4 = load("traces/2472mhz.mat", "iq");

window = 512;
overlap = 64;
fft_precis

spectrogram(trace1.iq, 512, 64, 2048, "psd", "yaxis");