数字信号处理实验指导书思考题答案实验图(3)

思考题

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实验二实验三

x(n)￥?μ?DòáDó·?¨÷?y(n)1z2.5?·3¨÷?1zy￥?μ?DòáDx(n)y(n)y1??ê3á?1?±￡′??±μ??á?D1z1.41z?ê?3á?1?±￡′??μ?±á?D?￥?μ?ó?ê±÷?1z-0.31z-10.30.2x(n)￥?μ?DòáD1z-0.31zy(n)y2??ê3á?1?±￡′??±μ??á?D1.40.20.3

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