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Batas turunan dari fungsi terbatas-band terbatas
Membiarkan f(t)f(t)f(t) menjadi fungsi dengan properti: t∈Rf(t)∈R for all t|f(t)|<A for all t∫∞−∞f(t) e−iωt dt=0 for all |ω|≥Bt is in realsf(t) is in realsabsolute value of f(t) is bounded above by Af(t) is band-limited by frequency B in radianst∈Rt is in realsf(t)∈R for all tf(t) is in reals|f(t)|<A for all …