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Unformatted text preview: shown, where . Find the center frequency, ( ) ( ) ( ) t y t x t a = c , of the bandpass filter in terms of . Also, find , the limit of the size of the passband, max B max B B &lt; , in terms of . ( ) = t t y 2 1 cos B 2 H ( ) c ) ( t a ) cos( ) ( t t x = c 4(25). Suppose we wish to transmit the signal, ( ) ( ) t t x 1000 cos 100 = using a modulator that creates the signal, ( ) ( ) ( ) ( t A t x t w 000 , 10 cos ) + = . Find the value of A so that would allow asynchronous demodulation to have a modulation index, m , of 95%....
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- Spring '07