频率变换

将滤波器变换为其他形式，使用滤波器中的特征开发另一个滤波器

DSP System Toolbox™ 提供多种函数，可将现有 FIR 和 IIR 滤波器变换为其他形式以实现不同频率响应。频率变换的总体思路是，使用一个现有的原型滤波器生成另一个滤波器，该滤波器保留了原型滤波器在频域中的一些特征。有关详细信息，请参阅Digital Frequency Transformations。

函数

全部展开

firlp2hpTransform FIR lowpass filter to Type I FIR highpass filter
firlp2lpTransform FIR Type I lowpass to FIR Type 1 lowpass with inverse bandwidth
iirbpc2bpcTransform IIR complex bandpass filter to IIR complex bandpass filter with different characteristics
iirftransfIIR frequency transformation of digital filter
iirlp2bpTransform IIR lowpass filter to IIR bandpass filter
iirlp2bpcTransform IIR lowpass filter to complex bandpass filter
iirlp2bsTransform IIR lowpass filter to IIR bandstop filter
iirlp2bscTransform IIR lowpass filter to complex bandstop filter
iirlp2hpTransform lowpass IIR filter to highpass filter
iirlp2lpTransform lowpass IIR filter to different lowpass filter
iirlp2mbTransform IIR lowpass filter to IIR multiband filter
iirlp2mbcTransform IIR lowpass filter to IIR complex multiband filter
iirlp2xcTransform IIR lowpass filter to IIR complex N-point filter
iirlp2xnTransform IIR lowpass filter to IIR real N-point filter
iirpowcompPower complementary IIR filter

主题