《数字信号处理(第四版)》部分课后习题解答_数字信号处理课后习题

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Chapter 9 9.1 Develop a lowpa IIR digital filter using Butterworth Approximation with the following specifications: paband egde frequency at Fp = 100 Hz, stopband edge frequency at Fs = 600 Hz, paband ripple ap = 1 dB, minimum stopband attenuation as = 32 dB, and sampling frequency FT = 2 kHz.9.2 Develop a highpa IIR digital filter using Butterworth Approximation with the following specifications: paband egde frequency at Fp = 600 Hz, stopband edge frequency at Fs = 100 Hz, paband ripple ap =1 dB, minimum stopband attenuation as = 32 dB, and sampling frequency FT = 2 kHz.