模拟滤波器

Bessel、Butterworth、Chebyshev、椭圆、双线性变换、分析函数

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设计和分析 Bessel、Butterworth、Chebyshev 和椭圆模拟滤波器。使用脉冲不变性或双线性变换执行模数滤波器转换。

函数

模拟滤波器的设计与分析

besself	Bessel analog filter design
butter	Butterworth filter design
cheby1	Chebyshev Type I filter design
cheby2	Chebyshev Type II filter design
ellip	Elliptic filter design
freqs	Frequency response of analog filters
freqspace	频率响应的频率间距

模拟滤波器原型

besselap	Bessel analog lowpass filter prototype
bilinear	Bilinear transformation method for analog-to-digital filter conversion
buttap	Butterworth filter prototype
cheb1ap	Chebyshev Type I analog lowpass filter prototype
cheb2ap	Chebyshev Type II analog lowpass filter prototype
ellipap	Elliptic analog lowpass filter prototype
impinvar	Impulse invariance method for analog-to-digital filter conversion
lp2bp	Transform lowpass analog filters to bandpass
lp2bs	Transform lowpass analog filters to bandstop
lp2hp	Transform lowpass analog filters to highpass
lp2lp	Change cutoff frequency for lowpass analog filter

FIR滤波器

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主题

IIR 滤波器设计

• 比较经典 Butterworth、Chebyshev 和椭圆滤波器设计。了解 Bessel 滤波器、Yule-Walker 滤波器和广义 Butterworth 滤波器。

Continuous-Time System Models

• Explore different schemes to represent analog filters.