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IIRfilterdesign
- IIR滤波器设计 设计一个巴特沃思低通滤波器,其技术指标为:3dB带宽为,阻带截止频率为,阻带衰减大于30dB,采样间隔T=10us。-IIR filter design to design a Butterworth low-pass filter, its technical indicators: 3dB bandwidth, stopband cut-off frequency, stop-band attenuation greater than 30dB, sampling in
fft_ifft
- 定点化Complex16快速基4 FFT(IFFT)代码,使用SSE针对Intel CPU优化,支持阶数4-4096 其中计算4096阶FFT仅需10us-Fixpoint (Complex16) base 4 FFT code, using SSE to optimize for Intel CPU, supporting order of 4-4096
IIR滤波器
- 设计一个巴特沃思低通滤波器,其技术指标为:3dB带宽为,阻带截止频率为,阻带衰减大于30dB,采样间隔T=10us。 1)用冲激响应不变法 2)用双线性变换法设计 3)用FIR的矩形窗函数设计(A Butterworth low pass filter is designed, its technical specifications are: 3dB bandwidth, stopband cut-off frequency, stopband attenuation greater t