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BER_Equators
- Adaptive Filter. This scr ipt shows the BER performance of several types of equalizers in a static channel with a null in the passband. The scr ipt constructs and implements a linear equalizer object and a decision feedback equalizer (DFE) object. It
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
MATLABchebhigh2cheblow1
- 自己做的： （一）用双线性变换法设计并用实验系统实现一个三阶的契比雪夫Ⅰ型低通数字滤波器，其采样频率Fs =8KHz，1DB通带边界频率为fp=2KHz。 （二）用双线性变换法设计并用实验系统实现一个三阶的契比雪夫Ⅱ型高通数字滤波器，其采样频率Fs =16KHz，阻带边界频率为fst =4KHz，As=20dB。 -(A) design using the bilinear transformation method and the experimental system of a
butterworth
- 通过巴特沃斯滤波器的通带和阻带截止频率以及通带和阻带衰减做出相关的图形。-Through the Butterworth filter passband and stopband cut-off frequency and passband and stopband attenuation to make the relevant graphics.
c8_PSDexample
- 这个例子里，我们将独立(白噪声)样本通过有5dB通带纹波的切比雪夫滤波器。 试估计滤波器输出端的PSD。实现这一估计的MATLAB程序如下: -This example, we will be independent (white noise) samples through a 5dB passband ripple Chebyshev filter. Estimate the filter output PSD. MATLAB program to achieve this esti
zr
- 用窗函数法设计一个能对模拟信号进行滤波的线性相位FIR低通滤波器。抽样频率为 kHz，通带截止频率为 kHz，阻带截止频率为 kHz，要求阻带最小衰减 dB。为了降低运算量，所设计滤波器的阶数要尽可能的低-With the window method to design a filter to the analog signals of linear phase FIR low-pass filter. Sampling frequency is kHz, passband cutoff fre
zr
- 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. 2.0.02π为采样间隔，打印出数字滤波器在频率区间[0, π/2]上的频率响应特性曲线。 3. 用所设计的滤波器对实际心电图信号采样序列进行仿真滤波处理，观察总结滤波作用与效果 附：心电图采样序列x(n) 人体心电图信号在测量过程中往往受到工业高频干扰，所以必须经过低通滤波处理后，才能作为判断心脏
cic_examp
- 对一个采样频率为45.5MHz的信号进行14倍的抽取滤波，同时进行补偿滤波器的设计，并给出CIC滤波器、补偿滤波器和级联后的频谱图 - Design a minimum-order CIC compensator that compensates... for the droop in the passband for the CIC decimator.
Frequency_domain_sample_stop
- freqz对一个采样频率为45.5MHz的信号进行14倍的抽取滤波，同时进行补偿滤波器的设计，并给出CIC滤波器、补偿滤波器和级联后的频谱图 - for the droop in the passband for the CIC decimator.Design a minimum-order CIC compensator that compensates... .
modulation
- Plot π/4-DQPSK passband waveform.ASK,FSK,MSK waveform
Butterworth
- butterworth滤波器的matlab设计，通带截止频率0.3pi，阻带截止频率0.2pi-matlab butterworth filter design, the passband cutoff frequency 0.3pi, stopband cutoff frequency 0.2pi
HammingFIR
- 数字FIR滤波器器设计，通带截止频率0.3pi，阻带截止频率0.2pi，通带衰减《=1db，阻带衰减》=40db-Digital FIR filter design, the passband cutoff frequency 0.3pi, stopband cutoff frequency 0.2pi, pass-band attenuation " = 1db, stop-band attenuation" = 40db
fir_lin_phase_lowpass_max_atten
- Designs a linear phase FIR lowpass filter such that it: - minimizes maximum stopband attenuation - has a constraint on the maximum passband ripple This is a convex problem (when sampled it can be represented as an LP). minimize m
fir_lin_phase_lowpass_min_order
- Designs a linear phase FIR lowpass filter such that it: - minimizes the filter order - has a constraint on the maximum passband ripple - has a constraint on the maximum stopband attenuation -This is a quasiconvex problem and can be solved
fir_lin_phase_lowpass_min_ripple
- Designs a linear phase FIR lowpass filter such that it: - minimizes the maximum passband ripple - has a constraint on the maximum stopband attenuation- This is a convex problem. minimize delta s.t. 1/delta <= H(w) &l
work
- 设计一个切比雪夫滤波器，要求通带截止频率 ，通带最大衰减 ，阻带截止频率 ，阻带最小衰减 。要求绘出滤波器的幅频特性曲线。-Design a Chebyshev filter, the passband cutoff frequency required, the maximum passband attenuation, stopband cutoff frequency, stopband minimum attenuation. Requirements of the filter amp
FIR_bandpass
- 用窗函数法设计FIR带通滤波器。指标：低端通带截止频率wlp=0.35π 低端阻带截止频率wls=0.2π。高端通带截止频率whp=0.65π 高端阻带截止频率whs=0.8π。-Design of FIR with window function bandpass filter target: low-pass with cutoff frequency wlp = 0.35π low stopband cutoff frequency wls = 0.2π passband cutof
lowpassfilter
- 利用Kaiser窗设计一个低通滤波器，通带参数、阻带参数、阻带衰减、通带纹波都可以进行调整。程序简单易懂，按照凯塞窗设计滤波器的步骤，非常容易理解，得到的参数可以在MATLAB命令窗口中看到。-Kaiser window design using a low-pass filter, pass parameters, the stopband parameters, stopband attenuation, passband ripple can be adjusted
FIR-filter
- 用窗函数设计FIR数字滤波器。参数设置为：阶数 N=84，通带截止频率Wc=0.4*Pi，通频带为低通。-FIR digital filter design with window function. Parameter is set: the order of N = 84, passband, the passband of the low-pass cutoff frequency of Wc = 0.4* Pi,.
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- 基于最小方差法低通FIR的设计说明书,单通带,有详细的步骤及相关理论知识-Minimum variance method low-pass FIR-based design specification, a single passband, with detailed steps and theoretical knowledge