Description: 本文是用矩形窗法设计FIR带通滤波器,来滤除音乐信号的噪声-this is rectangular window design FIR bandpass filter to filter out the noise signal Music Platform: |
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Author:xiaochong |
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Description: 已知一个序列x(n)=0.5cos(0.55*pi*n)+cos(0.45*pi*n),时域FFT分析其频谱。
(1)使用不同宽度的矩形窗截断该序列为M点,取M分别为:20,40,160,观察不同长度对频谱影响;(2)使用哈明窗和凯泽窗重做;(3)对三种窗的结果进行分析比较;(4)总结窗类型和长度对频谱分析的影响。
-Known a sequence x (n) = 0.5cos (0.55* pi* n)+ Cos (0.45* pi* n), time-domain FFT analysis of its spectrum. (1) use a different width of the rectangular window of the sequence for M cut-off point, take M are as follows: 20,40,160, observing the impact of different lengths of the spectrum (2) the use of Hamming window and the Kaiser window redo (3 ) on the three windows analyzed and compared the results (4) summarize the type and length of window for spectrum analysis. Platform: |
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Author:fg |
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Description: 以矩形窗实现stft,以循环语句实现窗的移动-Rectangular window in order to realize stft, in order to realize loop windows mobile Platform: |
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Author:qie |
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Description: 用矩形窗设计线性相位FIR低通滤波器,给了源代码,已经调试过了。其中要用到一个函数myfreqz要自己编,在这也附上其代码。希望对大家有用。-Rectangular window with the design of linear phase FIR low-pass filter, to the source code, have been debug. To use a function which myfreqz to own, in that its code is also attached. Hope useful for everyone. Platform: |
Size: 1024 |
Author:赵亮 |
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Description: 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! Platform: |
Size: 219136 |
Author:王娟芳 |
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Description: 矩形窗口中值滤波后的图像.不是MATLAB自带的函数编的-Rectangular window median filter image. Is not a function of MATLAB own series Platform: |
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Author:周华东 |
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Description: OQPSK调制的仿真,给出了I和Q支路的BPSK调制信号图。窗函数可选矩形窗和升余弦窗。-OQPSK modulation simulation, given the I and Q branch BPSK modulation signal Fig. Optional rectangular window function window and the raised cosine window. Platform: |
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Author:marmy |
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Description: 基于matlab实现窗函数设计滤波器,包括矩形窗,升余弦窗,二阶升余弦窗。-Matlab window function based on the realization of the design filter, including the rectangular window, raised cosine window, the second order raised cosine window. Platform: |
Size: 5120 |
Author:秦承峰 |
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Description: 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. Platform: |
Size: 1024 |
Author:袁晓光 |
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Description: This matlab program compares the results of different window design methods for finite impulse response filters (FIRs): the rectangular window, Blackman window, Bartlett window, Hamming window and the Hanning window. Platform: |
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Author:octavian |
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Description: 本代码是关于数字信号处理中的频谱泄露现象及其带来的危害的MATLAB仿真。用到的窗函数的是矩形窗和海明窗。-The code is on the digital signal processing of the spectrum and its disclosure of the hazards brought about by MATLAB simulation. Window function used is the rectangular window and Hamming window. Platform: |
Size: 1024 |
Author:沈 |
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Description: 本程序利用MATLAB进行数字信号的频谱分析,适用于DSP的初学者。代码里应用了矩形窗和汉明窗两种窗函数进行对比分析。-This procedure carries on the digital signal using MATLAB the spectral analysis, is suitable in the DSP beginner. In the code has applied the rectangular window and the hamming window two kind of window box number carries on the contrastive analysis. Platform: |
Size: 1024 |
Author:沈 |
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Description: 用各种窗函数设计FIR数字滤波器。
分别用矩形窗和Hamming窗设计线性相位FIR低通滤波器。要求通带截止频率,单位脉冲响应h(n)的长度N=21,绘出h(n)及其幅频响应特性曲线。
-Window function with a variety of FIR digital filter design. Were rectangular window and Hamming window design of linear phase FIR low-pass filter. Requirements of passband cutoff frequency, unit impulse response h (n) of length N = 21, draw h (n) and its amplitude-frequency response curve. Platform: |
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Author:刘卫菠 |
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Description: 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 window and Blackman window graphics. From the simulation results we can see: the rectangular window designed for narrow transition zone, but the minimum stop-band attenuation is also the worst. Blackman window design of the stop-band minimum attenuation is best, but the transitional zone widest. Platform: |
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Author:anchor |
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Description: 包括用窗函数法和最大误差最小化准则设计的FIR低通数字滤波器,并分析加矩形窗时的吉布斯现象(matlab程序)。从仿真结果可看出:采用最大误差最小化准则能得到阶数更低,阻带波纹特性更好的FIR低通滤波器,因此其效果更优。-Including the use of window function method and the maximum error criterion designed to minimize the FIR low-pass digital filter, and analyze the increase of the Gibbs phenomenon when the rectangular window (matlab procedure). From the simulation results can be seen: The maximum error is minimum order of the criteria to get a lower stop-band ripple characteristics of a better FIR low-pass filter, so the results better. Platform: |
Size: 1024 |
Author:anchor |
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Description: 印度GURUNANAK ENGINEERING COLLEGE数字信号处理实验室的DSP+c+Matlab联合编程手册-DIGITAL SIGNAL PROCESSING LAB (IV-I SEM)
INDEX
1. Architecture of DSP chips-TMS 320C 6713 DSP Processor
2. Linear convolution
3. Circular convolution
4. FIR Filter (LP/HP) Using Windowing technique
a. Rectangular window
b. Triangular window
c. Kaiser window
5. IIR Filter(LP/HP) on DSP processors
6. N-point FFT algorithm
7. Power Spectral Density of a sinusoidal signals
8. FFT of 1-D signal plot
9. MATLAB program to generate sum of sinusoidal signals
10. MATLAB program to find frequency response of analog Platform: |
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Author:wangjin |
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