采用窗口函数法设计一个低通FIR数字滤波器要求设计的频率响应为 |1-0.02|≤|H(e^jw )|≤|1+0.02| |w|≤0.3π |H(e^jw )|≤0.02 0.4π ≤|w|
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![采用窗口函数法设计一个低通FIR数字滤波器要求设计的频率响应为 |1-0.02|≤|H(e^jw )|≤|1+0.02| |w|≤0.3π |H(e^jw )|≤0.02 0.4π ≤|w|](/uploads/image/z/3788478-54-8.jpg?t=%E9%87%87%E7%94%A8%E7%AA%97%E5%8F%A3%E5%87%BD%E6%95%B0%E6%B3%95%E8%AE%BE%E8%AE%A1%E4%B8%80%E4%B8%AA%E4%BD%8E%E9%80%9AFIR%E6%95%B0%E5%AD%97%E6%BB%A4%E6%B3%A2%E5%99%A8%E8%A6%81%E6%B1%82%E8%AE%BE%E8%AE%A1%E7%9A%84%E9%A2%91%E7%8E%87%E5%93%8D%E5%BA%94%E4%B8%BA+%7C1-0.02%7C%E2%89%A4%7CH%28e%5Ejw+%29%7C%E2%89%A4%7C1%2B0.02%7C++++++++++%7Cw%7C%E2%89%A40.3%CF%80+++++++++++++++++++++++++++++++++++++++++++++++++++%7CH%28e%5Ejw+%29%7C%E2%89%A40.02+++++++++++++++++++++++++++++0.4%CF%80+%E2%89%A4%7Cw%7C)
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