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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
MWINDOW
- Routine mwindow: To Obtain Window Function. Input parameters: n : the length of window data. iwindow: window type desired. if : iwindow=1: rectangular window , =2: triangular window , =3: cosin window , =4: Hanning window , =5: Ham
zyhanning_num3
- it is about famous hanning window function using in Matlab,Welcome to download.-it is about famous HANNING window function using in Matlab, Welcome to download.
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
DSPMwindow
- 产生数字信号处理中常用的几种窗函数,包括ectangular window , triangular window ,cosin window , Hanning window , Hamming window , Blackman window ,Papoulis window-producing a digital signal processing used in several window function, including ectangular window, triangu
short-fft
- 里面有一对定点FFT和IFFT算法,Hanning window,内含有1024-point正弦系数(已进行定标),可支持2^n(n<=10)点的FFT/IFFT变换
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.
Periodogram-powe
- 平均周期图法和平滑平均周期图法估计功率谱 从经典功率谱估计周期图法原理入手,从理论上分析了其存在的局限性,借助Welch算法对其进行修正。依靠Matlab强大的数值分析和信号处理能力进行实验!! 用周期图法和welch法分别估计了一下信号的功率谱密度。采样频率200Hz,时间序列长度2048,FFT数据点数2048。其中welch法使用hanning窗,窗口长度600.-Average periodogram and periodogram smoothing method to est
RatioCorrection
- 单频率成分的离散频谱校正源程序(比值校正法)。针对单一频率谐波信号的离散频谱校正,可选择加矩形窗和汉宁窗。已调试通过。-Matlab Codes for Ratio correction based on different window.Rectangle and Hanning Window can be choose to act.
qwet1234
- 在 MATLAB 中的窗函数,十分简单: 矩形窗 三角窗 汉宁窗 海明窗 布拉克曼窗 恺撒窗 -In MATLAB, the window function is very simple: a rectangular window of triangular windows Hanning Hamming Blackman Window Caesar Window
PhaseCorrection
- 改变窗长的相位差离散频谱校正源程序。改变窗长的相位差校正程序,可选择矩形窗和汉宁窗。已调试通过。-Matlab Codes for phase difference correction based on different window.Rectangle and Hanning Window can be choose to act.
FIRFilter
- 此例子为fir滤波器设计c语言算法实现,包括三角窗,矩形窗,汉宁窗,汉明窗,凯萨窗等经典窗函数。可以直接调用。-This example for the fir filter design algorithm c language, including the triangular window, rectangular window, Hanning window, Hamming window, Caesar windows classic window function. Can be d
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
apsignalproc
- The Window Design Method The basic idea behind the design of linear-phase FIR filters using the window method is to choose a proper ideal frequency-selective filter [which always has a noncausal, infinite duration impulse response] and then tru
bispectrum
- Calculates the bispectrum. Taken from Ice Ages and Astronomical Causes p. 293, Muller and MacDonald, 2000. bispectrum(y,dt,qplot,window,fmax) The default is a hanning window: boxcar and hamming will work. fmax = max freq to calcul
Hanning
- designing a Hanning window
hanning-FIR
- 程序将信号转化为频域信号,而后利用汉宁窗函数选择感兴趣频段信号。-Program signal into a frequency domain signal using a Hanning window function and then select the signal band of interest.
window function contrast
- 矩形窗,三角窗,汉宁窗,汉明窗,布莱克曼窗,巴特利特窗频谱对比图(The triangular window, rectangular window, Hanning window, Hamming window, Blackman window, Bartlett window spectrum comparison chart)
hanning
- fft汉宁窗 MATLAB程序 幅频特性的matlab实现 汉宁窗的产生程序,分析他们的幅度和相位响应(FFT MATLAB program Hanning window amplitude and frequency characteristics matlab program Hanning window, analysis of the amplitude and phase of their response)