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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
window_weighted
- 加权窗函数，包括海明窗，海宁窗，chebshev窗，cos窗-weighted window function,including hanning,hamming,chebshev,cos
gonglvpu
- 功率谱：直接法，间接法，加窗（hamming ,hanning, 矩形）-Power spectrum: the direct method, indirect method, window (hamming, hanning, rectangle)
Digital-filters
- A filter is a system which modifies some special frequencies reletive to the others. As a result i s applicable in some applications when it is necessary to have different gains & phase shifts at different frequencies to perform specific filtering ta
matlab_fir
- 用窗函数法设计FIR数字滤波器。包括：1.矩形窗2.三角窗3.汉宁窗4.海明窗5.布拉克曼窗6.凯泽窗等-FIR digital filter design with a window function method. Including: a rectangular window. Triangular window. Hanning Hamming window, Blackman window and Kaiser window
FIRlow
- 用窗函数法设计FIR低通滤波器，包括汉明窗，汉宁窗，布莱克曼窗-Window function design FIR low-pass filter, including Hamming window, Hanning, Blackman window
chuang_han_shu
- 矩形窗、汉宁窗、汉明窗、布莱克曼窗的时域波形、幅频特性的matlab实现。-Rectangular window, Hanning, Hamming window, Blackman window time-domain waveform, amplitude and frequency characteristics matlab.
shuzituxiangchuli
- 数字低通巴特沃斯滤波器,数字低通椭圆滤波器，矩形窗，汉明窗，汉宁窗，布莱克曼窗-Digital low-pass Butterworth filter, digital low-pass elliptic filter, rectangular window, Hamming window, Hanning, Blackman window
highpass-filter
- 基于matlab的高通滤波器设计，选用汉宁窗-the low-pass filter design based on Matlab with the window of hanning
gaotonglvbo
- 本件包含四种二维高通滤波器，他们分别是基于汉宁窗，布莱克曼，凯泽窗和巴特利特窗设计的二维高通滤波器。-This piece contains four two-dimensional high-pass filter, they are based on Hanning, Blackman, Kaiser window design windows and Bartlett two-dimensional high-pass filter.
chuanghanshu
- 信号被窗函数截断，并做频谱分析，比较汉宁窗、三角窗等的特点-Window function signal is cut off, and do spectral analysis, comparing Hanning, triangular windows and other characteristics
hw9
- –针对矩形、bartlett、hanning、hamming、blackman窗 M=40 –求： ①分别画出单位脉冲响应w[n] ②分别画出幅度响应20log10|W(e^jω)| ③分别给出第一旁瓣衰减和主瓣带宽，并与理论值比较-- For a rectangle, bartlett, hanning, hamming, blackman window M = 40- seeking: ① Draw the unit impulse response w [n] ②
FIR-digital-filter-design
- 用窗函数法设计FIR数字滤波器 矩形窗 汉宁窗海明窗 布莱克曼窗-With window function design FIR digital filter rectangular window Hanning Hamming Blackman window
chuangbijiao
- 设计一个阻带下限0.45*pi 阻带上限0.8*pi 通带下限0.55*pi 阻带上限0.7*pi 通带衰减0.15dB，阻带衰减40dB，分别用汉宁窗汉明窗凯瑟窗布莱克曼窗设计滤波器，对比分析各方法优劣-Design a stop-band limit 0.45* pi stopband limit 0.8* pi Passband lower limit 0.55* pi stopband limit 0.7* pi Passband attenuation 0.15dB
Untitled6
- 分别用矩形窗、汉宁窗、海明窗、三角窗和Blackman窗设计一 的线性相位带通滤波器，观察它们的3dB和20dB带宽，并比较五种窗的特点。-Respectively rectangular window, Hanning, Hamming window, triangular window and Blackman window design a linear phase bandpass filter, observe their 3dB and 20dB bandwidth and comp
filter
- 使用 hanning hamming rectangular 等等窗函数对一个单频噪声进行滤波，比较效果，并且比较阶数之间的差别与时间大小，并作PPT进行分析- The use of window function hanning hamming rectangular and so on to a single frequency noise filtering, compare the effect, and compare the difference between the ord
stfth
- 用于计算声音信号的短时傅立叶变换，默认情况下窗口重叠了50％，计算STFT三个窗口中的矩形并转化为声音信号。-To compute STFT three windows are available in this code Rectangular, Hamming and Hanning. By default window overlapping is set by 50 . One can easily compute the STFT of sound signals.Results ar
FIR
- 1、验证窗函数 N 变化时，验证其频谱主瓣副瓣比、主瓣宽度的变化。 a)矩形窗函数的 N 变化时，验证其其频谱主瓣副瓣幅度比基本不会发生变化， 而主瓣宽度将会变窄。这说明，当用矩形窗函数设计滤波器时，增大 N 不能使 得阻带衰减减小，但能够减小过渡带。 b)再选取其他的窗如 hamming/hanning 窗，验证当 N 变化时，其频谱主瓣宽 度变化、主瓣副瓣比值变化情况。 2、用窗函数法设计线性相位 FIR 低通，通带截止频率 wp=0.5PI, 阻带截止频率 ws=0.6PI,
framing
- 1)A function which is used to break the input signal into frames and multiply them by a window('hamming','hanning','blackman','bartlett','gausswin').It returns the signal frames. 2)A function that reconstructs the previous frames into the original i