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exa020802
- 计算滤波器的冲击响应，阶跃响应，幅频响应和相频响应-calculating the impulse response filter, step response, frequency response and phase frequency response
band-pass-filter 线性相位FIR带通滤波器
- 用MATLAB函数fir1设计一个具有如下指标的线性相位FIR带通滤波器：阻带截止频率为0.55pi 和0.85pi，通带截止频率为0.65pi和 0.75pi，最大通带衰减为0.2dB，最小阻带衰减为42dB。分别利用下面的窗函数来设计滤波器：汉宁窗、汉明窗、布莱克曼窗。对于每种情况，给出其冲激响应系数并画出设计的滤波器的幅频响应。-Designed with a MATLAB function with the following indicators fir1 linear phase F
fir-low-pass-filter-design
- 用矩形窗设计了一个FIR线性相位低通数字滤波器。截止频率0.5π，阶数为21阶。求出了系统函数并画出了幅频响应。-A rectangular window design with linear phase FIR low-pass digital filter. Cutoff frequency 0.5π, the order of 21 bands. Find the system function and plotted the amplitude-frequency response.
band-pass-filter-by-remez-function
- 用MATLAB中remez函数设计一带通FIR滤波器。打印出单位脉冲响应 ，并画出幅频响应。-Design using MATLAB function in the vicinity of remez pass FIR filter. Print out the unit impulse response and frequency response plot.
IIR
- 用双线性变换法设计IIR数字滤波器 （1）用双线性变换法设计一个巴特沃斯低通IIR 数字滤波器。设计指标参数为：在通 带内频率低于0.2π 时，最大衰减小于1dB；在阻带内[0.3π ,π ] 频率区间上，最小衰减大于15dB。 （2）以0.02π 为采样间隔，打印出数字滤波器在频率区间[0,π / 2] 上的幅频响应特性 曲线。 （3）用所设计的滤波器对实际心电图信号采样序列（在本实验后面给出）进行仿真滤 波处理，并分别打印出滤波前后的心电图信号波形图，观察总结滤波作用
amplitude_frequency
- 此程序实现求任一信号的幅频响应，需知的参数有待求信号及其采样率。-The programme realize to get amplitude frequency response.
Bessel_Butter_delay
- 绘制8阶Bessel和Butterworth模拟低通滤波器的幅频响应曲线及群延时曲线- Draw order Bessel and Butterworth 8 analog low-pass filter amplitude frequency response curve and group delay curve
FIR-filter
- 用汉宁窗进行FIR处理实例，并给出幅频响应特性图形-Hanning Window with examples of FIR processing, and gives the amplitude frequency response graph
Hz
- 由 得到幅频响应 。系统函数 由下式给出： （A.1） 若 ，则 为一全极点IIR系统，若 ，则 为FIR系统-By the frequency response obtained. System function is given by: (A.1) if, compared to an all-pole IIR system, if, for the FIR system
matlab
- 求一个系统的幅频响应相频响应单位冲击响应以及其它-Find the frequency response of a system unit impulse response of the phase-frequency response and other
fupinxiangying
- 幅频响应特性图[h1,w]=freqz(b1,1,N,1) [h2,w]=freqz(b2,1,N,1) -Amplitude frequency response characteristics of Figure
pinlvxiangying
- 对一个产生的离散序列作傅立叶变换，分析其频率响应特性（给出幅频与相频特性曲线）-A discrete sequence generated for the Fourier transform to analyze the frequency response characteristics (frequency and amplitude given phase frequency response curve)
textFA
- 给出信道离散表示，可得到信道幅频响应及相频响应。-Given the discrete expression of communicaton channel, it may show the amplitude frequence response and the phase frequence reponse.
exa060206
- 计算并显示半带滤波器,显示H0,H1,及 H0+H1的幅频响应-to design a CQMF filter
exa060302
- 利用单带滤波器来设计一个半带滤波器，并显示半带滤波器H0,H1,及 H0+H1的幅频响应单带滤波器的归一化截止频率为0.84,长度＝16，半带滤波器的长度＝31。-Single-band filter design using a half-band filter, and display the half-band filter H0, H1, and H0 H1 magnitude response of the single-band filter normalized cutoff fr
dsp618
- 利用频率采样设计法设计线性相位FIR低通滤波器，画出h（n）、幅频响应、相频响应-Design of frequency sampling design method using a linear phase FIR low-pass filter, draw h (n), frequency response, phase frequency response
allpass_order2
- 这段程序是二阶全通滤波器设计，有幅频响应、相频响应和group delay,供学习者参考-all pass filter of order 2
gain
- 计算数字滤波器的频率响应、幅频响应和相频响应，学数字信号处理编程必须要有的哦！-Calculation of the digital filter frequency response, frequency response and phase response, learning digital signal processing program must be oh!
lvboqi
- 巴特沃斯滤波器，切比雪夫滤波器，椭圆滤波器设计及比较，同样的设计参数指标，在同一张图中比较三种滤波器的幅频响应波形，并用统计图画出各滤波器所需阶数。-Butterworth filter, Chebyshev filter, elliptic filter design, the same design parameter index, with a figure in the comparison of three filter frequency response waveform, and
巴特沃斯滤波器
- 设计巴特沃斯滤波器,滤波器的幅频响应,绘出巴特沃斯模拟/数字滤波器的幅频特性曲线(Design Butterworth filter, amplitude frequency response of filter, draw amplitude frequency characteristic curve of Butterworth analog / digital filter)