4.4.1. Suppose the transmitter filter is HG(f) = rect(Tsf). Assume a > 0. , where a > 0.
(a) If the channel impulse response is hC (t) = (1 − at)e
−atu(t), determine the receiver
filter HQ(f) required to give the Nyquist solution.
(b) Repeat if the channel impulse response is hC (t) = (1 + at)e
−atu(t). In both cases
determine HQ(0). In which case is there an implementation problem?
4.4.1. Suppose the transmitter filter is HG(f) = rect(Tsf). Assume a > 0. , where a > 0. (a) If the channel impulse response is hC (t) = (1 − at)e −atu(t), determine the receiver filter HQ(f) required to give the Nyquist solution. (b) Repeat if the channel impulse response is hC (t) = (1 + at)e −atu(t). In both cases determine HQ(0). In which case is there an implementation problem?
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