搜索资源列表
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
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。
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）
audio_noise
- 语音降噪。从Codec AD50采集话筒语音，通过DSP TMS320vc5402处理，在送到AD50输出降噪后语音，涉及加汉宁窗，切比雪夫滤波器，快速傅立叶变换和反FFT，有声无声判断谱分解，谱合成等功能
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！
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
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 window, triangular window, Hanning
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
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, Blackman window, etc.
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 frequency ωp = 0.7π, pass-band at
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.
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 leakage should be considered
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)
test4
- 矩形窗，汉宁窗，海明窗，三角窗，blackman窗函数的幅度特性(The amplitude characteristics of a variety of window functions)
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)