Simulasi Gelombang AM + Noise

s(t) = [1 + m·sin(2π fm t)] · cos(2π fc t) + n(t)
RMS sinyal: —, RMS noise: —
s(t) + n(t) envelope ±
Plot domain waktu; sumbu-Y di-normalisasi. Garis oranye menandai envelope (±[1 + m·sin(2π fm t)]).
Osiloskop XY (Lissajous) sederhana: sumbu-X = pemodulasi, sumbu-Y = sinyal AM ber-noise. Membantu melihat kedalaman modulasi.