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用布莱克曼窗设计带通滤波器

于 2022-03-03 发布 文件大小:3.76 kB
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d. 设计 FIR 数字带通滤波器,技术指标为: 下阻带边缘: ωst1=0.2π, δs1=60dB,下通带边缘: ωp1=0.4π, δp1=1dB; 上通带边缘: ωp2=0.6π, δp1=1dB,上阻带边缘: ωst2=0.8π, δs2=60dB; (1) 通过技术指标,选择一种窗函数进行设计; (2) 求滤波器的单位抽样响应、频率响应,并绘制波形

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