m = sinc(1e4t); carrier = cos(2pifct); dsb_sc = m .* carrier; Wn = (fc - 2) / (fs/2) [b, a] = butter(15, Wn, 'high'); vsb = filter(b, a, dsb_sc); demodulated = vsb ...
Abstract: A heterodyne interferometry with DSB-SC performance is presented to measure small vibration signal. The vibration induced phase is demodulated by self-mixing without a local oscillator, ...
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