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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
加hanning窗程序
- %加汉宁窗傅立叶变换% f=50;%f为基频 t1=0.12;%t1为采样时间 n=64; %n为采样点数 m=64; %m为做fft的点数
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-p
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
armok01167658
- 最近用Mega128写了一个128点FFT程序,浮点运算,加汉宁窗。由于窗函数和旋转因子通过查表得到,所以速度还可以,程序中给的初值是通过高速AD采集的20KHz正弦信号。计算结果与Matlab的FFT函数得到的结果相同。 -Mega128 recently wrote a 128-point FFT procedures, floating-point operations, Hanning window. Since the win
fir
- 用窗函数设计法设计fir滤波器(矩形窗、汉宁窗、汉明窗、布拉克曼窗、凯泽窗)-Using window function design method the design of fir filter (rectangular window, Hanning window, Hamming window, Blackman window, kaiser window)
fir
- 用matlab来实现fir滤波器,包括矩形窗、汉宁窗、汉明窗、等波纹法!-Using matlab to achieve the fir filter, including the rectangular window, Hanning window, Hamming window, such as corrugated Act!
filterofmatlab
- 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.
FIRwin
- 此程序是基于MATLAB的采用窗函数设计法设计FIR滤波器,内有多种窗函数,包括海明窗,汉宁窗,布拉克曼窗-This procedure is based on the use of MATLAB window function design FIR filter design with a multi-window function, including the Hamming window, Hanning window, Blac
compare-five-window-functions
- 比较五种窗函数特性matlab程序:得到矩形窗、海明窗、三角窗、汉宁窗和布莱克曼窗图形。从仿真结果可知:矩形窗设计的过渡带最窄,但阻带最小衰减也最差。布莱克曼窗设计的阻带最小衰减最好,但过渡带最宽。-Comparison of characteristics of five kinds of window function matlab program: to be a rectangular window, Hamming windo
xb
- 用汉宁窗设计一个FIR高通数字滤波器,满足以下参数要求:通带边界频率ωp=0.7π,通带内衰减函数αp=0.4dB;阻带边界频率Ωs=0.4π,阻带内衰减函数为αs=55dB。-With the Hanning window design an FIR high-pass digital filter to meet the requirements the following parameters: passband edge fre
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
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.
bandpassfil
- 带通滤波实现各种滤波窗口的带通滤波功能,汉宁窗-bandpass filter
EnergyCorrection
- 单频率成分的离散频谱校正源程序(能量重心校*)。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.
Copy_of_HHT0
- 正弦信号加汉宁窗调制,快速傅里叶变换,生成激励信号(Sinusoidal signal modulation Hanning window)
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)
用汉宁窗函数 的频谱分析源代码
- 减少频谱泄漏,通常在采样后对信号加窗。在电机故障诊断领域,需同时考虑频率分辨率和频谱泄漏。应用最广泛的窗函数是汉宁窗。(To reduce the spectrum leakage, a window is usually added to the signal after sampling. In the field of motor fault diagnosis, frequency resolution and spectrum
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)
STFT
- 雷达原始信号,通过设计的汉宁窗滤波器+STFT得到瞬时频率以及滤波后的呼吸心跳的波形图显示(The original radar signal is obtained by Hanning window filter + STFT to obtain the instantaneous frequency and the waveform of the filtered breath and heartbeat)