《数字信号处理(第四版)》部分课后习题解答
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Chapter 9
9.1 Develop a lowpass IIR digital filter using Butterworth Approximation with the following specifications: passband egde frequency at F p = 100 Hz, stopband edge frequency at F s = 600 Hz, passband ripple a p = 1 dB, minimum stopband attenuation a s = 32 dB, and sampling frequency F T = 2 kHz.
9.2 Develop a highpass IIR digital filter using Butterworth Approximation with the following specifications: passband egde frequency at F p = 600 Hz, stopband edge frequency at F s = 100 Hz, passband ripple a p =1 dB, minimum stopband attenuation a s = 32 dB, and sampling frequency F T = 2 kHz.