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用窗函数法设计FIR滤波器
- 用矩形窗、三角窗,汉宁窗,海宁窗等多种窗口设计有限长单位脉冲响应滤波器-with rectangular windows, triangular windows, Hanning window, multiple windows Haining window design finite impulse response filter units
ASPsuper.net
- ASP高级网 t=0:0.0000002:0.0006 % ts=0.2ms 每周期1000点 x1=sin(5000*2*pi.*t) % 生成5KHz的正弦波 b=fir1(9,0.01,hanning(10)) % 采样频率是100KHz,截止频率为500Hz的9阶汉宁窗生成b系数。 freqz(b,1,512,100000) y=filter(b,1,x1) % 对5KHz正弦波用9阶汉宁窗进行滤波 plot(t,x1,t,y) 仿真结果未见到y被衰减的滤波效
带通fir设计及图形显示比较
- 数字带通滤波器的设计过程。共3个源程序。其中,dos.cpp为带通FIR的源程序,其中的滤波器阶数n,滤波器的低频fln,滤波器的高频fhn,窗函数w,可以按照自己的要求改变。这里采用的是汉宁窗。主函数main.cpp实现输入与fir的h(n)的卷积,输出结果Y(n),并将其存储在y.txt中。最后,graphics.cpp从y.txt读取数据,再由语句画出波形,可以清楚地看出计算结果是否正确,并进行比较。-digital band-pass filter design process. A t
filterofmatlab.rar
- matlab实现的各种数字滤波器,包括矩形窗,汉明窗,汉宁窗,kaiser窗等。,matlab digital filter to achieve a variety of, including the rectangular window, Hamming window, Hanning window, kaiser windows.
Matlab_lvbo
- 利用矩形窗设计的数字滤波器,利用三角窗设计的数字滤波器,利用海明设计的数字滤波器,利用汉宁窗设计的数字滤波器,利用巴特里特窗设计的数字滤波器,利用布拉克曼窗设计的数字滤波器,利用切比雪夫窗设计的数字滤波器,利用凯塞窗设计的数字滤波器-Using rectangular window of the digital filter design, using the triangular window of the digital filter design using the design of d
chuanhanshulvboqisheji
- 利用矩形窗设计FIR高通滤波器 利用hanning窗设计FIR高通滤波器 利用hamming窗设计FIR高通滤波器 三个窗函数的比较三个窗函数的比较 -The use of rectangular window FIR high-pass filter designed to use hanning window design FIR high-pass filter using hamming window design FIR high-pass filter 3 windo
signal_system
- 各种典型滤波器的设计与仿真,包括矩形窗、巴特莱特窗、汉宁窗、汉明窗和布莱克曼窗。-Typical filter design and simulated, including the rectangular window, Bartlett window, Hanning window, Hamming window and Blackman window.
gaotong
- 用双线性法设计巴特沃斯高通数字滤波器 基于汉宁窗的FIR数字高通滤波器设计-Method with bilinear Butterworth high-pass digital filter design based on Hanning window of FIR digital high-pass filter design
exp4
- 用Hanning窗设计线性相位滤波器,绘制幅频和相位特性曲线,并在改变N的值后观察N对滤波器特性的影响及其时域特点。-Hanning window with a linear phase filter design, drawing amplitude frequency and phase characteristic curve, and change the value of N, N were observed on the filter characteristics and time
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
fir
- DSP2812实现fir滤波,hanning窗-The DSP2812 to achieve fir filter, hanning 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
3
- 基于汉宁窗的FIR数字高通滤波器设计,以满足对用户的需求-Hanning window-based FIR digital high-pass filter is designed to meet the needs of the user
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.
fir
- 对语音信号进行滤波,得到清晰度提高的信号。通带频率600Hz;截止频率Fc为1200Hz;通带衰减为1dB,阻带衰减为30dB。使用的窗函数类型为Hanning 窗。-design of fir filter,get the original voice without noise
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
FIR-digital-filter
- 用窗函数(矩形窗、汉宁窗、海明窗和布莱克曼窗)法设计FIR数字滤波器-Using the window function (rectangular window and hanning window, hamming window and blackman window) method to design FIR digital filter
low-pass-filter-matlab-program
- 实现了Fir汉宁窗设计II型数字低通滤波器,文件中含有子函数文件,运行成功,无错误-The Fir Hanning window design II digital low-pass filter, the file contains sub function files, run successfully, no error
hanning window function
- 此程序采用汉宁窗函数对实验数据进行滤波,并采用插值函数来提高采样频率。(The program uses Hanning window function to filter the experimental data and the interpolation function to improve the sampling frequency.)