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aliasing - u{ y ty{uyxpyy ys~p|p pz ~u tr|uruz {yuy Npz{ryp Fd >= Fmax r ys~p|u.
roll-off - r Mp|pqu y y~uxu raised cosine y|p utu|u yy~ | y|p. Uysyu, {p{ "" p|p r t{p RC fitr.
The bandwidth of the raised cosine filter is given by:
B = (1+)*B0
The parameter is called the rolloff factor .
=0 gives the ideal pulse.
P |y~{ p} rv pxyrp~ RC
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