Search - frequency domain filter

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[matlab] fdaf_7 DL : 0: 频域和子带自适应滤波器，在频域进行滤波器参数调整-frequency domain and sub-band adaptive filter in the frequency domain filter parameter adjustment
Date : 2025-12-13 Size : 5kb User : 谢晓丹
[matlab] blms DL : 1: 关于块LMS算法的程序,适用于研究自适应滤波器-block LMS algorithm on the procedures applicable to adaptive filter
Date : 2025-12-13 Size : 1kb User : zj
[matlab] JIN DL : 0: 录制一段个人自己的语音信号，并对录制的信号进行采样；画出采样后语音信号的时域波形和频谱图；给定滤波器的性能指标，采用窗函数法和双线性变换设计滤波器，并画出滤波器的频率响应；然后用自己设计的滤波器对采集的信号进行滤波，画出滤波后信号的时域波形和频谱，并对滤波前后的信号进行对比，分析信号的变化；回放语音信号；最后，设计一个信号处理系统界面。-Record a person s own voice signal, and recording the signal sampling draw sample after the speech signal time-domain waveform and frequency spectrum given filter performance indicators, using a window function method and the bilinear transform filter design and draw the frequency response filter then use the filter of their own design for the signal acquisition filtering, after filtering the signal to draw the time-domain waveform and spectrum, and filtering of signals before and after contrast, analysis of signal changes playback of voice signal Finally, the design of a signal processing system interface.
Date : 2025-12-13 Size : 2kb User : yim
[matlab] Digital_Filter DL : 0: 录制一段自己的语音信号，并对录制的信号进行采样；画出采样后语音信号的时域波形和频谱图；给定滤波器的性能指标，采用窗函数法和双线性变换设计滤波器，并画出滤波器的频率响应；然后用自己设计的滤波器对采集的信号进行滤波，画出滤波后信号的时域波形和频谱，并对滤波前后的信号进行对比，分析信号的变化；回放语音信号；最后，设计一个信号处理系统界面。-Section of their own voice recording signal, and recording the signal sampling draw sample after the speech signal time-domain waveform and frequency spectrum given filter performance indicators, using a window function method and bilinear transformation design of filters, and draw the frequency response filter then use the filter of their own design for the signal acquisition filtering, after filtering the signal to draw the time-domain waveform and spectrum, and filtering of signals before and after contrast, analysis of signal changes playback voice signal Finally, the design of a signal processing system interface.
Date : 2025-12-13 Size : 140kb User : joe
[matlab] zhong DL : 0: 用simulink作的MTI高通滤波器的仿真程序，其中输入信号为高斯色噪声，可以对输出作时域和频域分析。-MTI using simulink for high-pass filter of the simulation program, in which the input signal for Gaussian colored noise can be output for the time domain and frequency domain analysis.
Date : 2025-12-13 Size : 24kb User : 冉涌
[matlab] lpf DL : 0: 通过时域转换为频域，在频域中截取低频部分，去掉高频部分将结果再转换到时域以实现低通滤波的功能。-Through the time domain is converted to frequency domain, in the frequency domain low-frequency part of the interception, to remove high-frequency part of the results and then switch to the time domain in order to achieve low-pass filter function.
Date : 2025-12-13 Size : 1kb User : 朱丽平
[matlab] filter-deniose DL : 0: matlab下实现降噪，功率谱计算。％程序中设定采样点数为256个，采样频率为10000hz，％输入信号为随机噪声和两个正弦的合成信号％设定的滤波器的截止频率为3500hz ％通过挈比雪肤滤波器，运行程序，比较滤波前后的频域波形％滤波去除了高频信号-matlab achieve noise reduction, power spectrum calculation. Sampling procedure set for 256 points, the sampling frequency of 10000hz, input signal for the random noise and the two sinusoidal signals synthetic filter set a cut-off frequency 3500hz manner than through the filter雪肤, run procedures, compared before and after filtering in frequency domain waveforms filtering in addition to high-frequency signals
Date : 2025-12-13 Size : 1kb User : 范范
[matlab] FreqDomain_imagEnhanc_and_imagRestore DL : 0: Image enhancement in frequency domain using Fourier center frequency, Gaussian lowpass filter, Low pass filter, high pass filter. Image restoration using medean filter, weiner filter with noise generator such as Gaussian noise, Salt and Pepper noise
Date : 2025-12-13 Size : 1011kb User : dieu
[matlab] frequencyFilters DL : 0: apply different frequency domain filter
Date : 2025-12-13 Size : 1kb User : roberto
[matlab] Highpassfilter DL : 0: high pass filter for frequency domain
Date : 2025-12-13 Size : 1kb User : rudra
[matlab] so_fdaf DL : 0: Self-Orthogonalizing Frequency-Domain Adaptive Filter Based on Haykin, Adaptive Filter Theory 4th ed. Section 7.2
Date : 2025-12-13 Size : 1kb User : tttzhang97
[matlab] frequency DL : 0: 内包含频域滤波的步骤及MATLAB代码，是频域增强中所必须知道的哦，还有一个用巴特沃思滤波器效果的例子。-Contains the frequency domain filtering steps and MATLAB code, is enhanced in the frequency domain needs to know Oh, and a Butterworth filter with the effect of example.
Date : 2025-12-13 Size : 1kb User : 天天
[matlab] filter DL : 0: 本文分析了语音数字信号的采集来源以及其预处理。通过实例，利用Matlab对语音信号进行时频变换与分析，同时构造一个固定频率的干扰信号，对两个信号进行合成，设计数字滤波器，实现对语音信号的F IR、IIR滤波处理，最后在时域和频域中对信号进行分析比较。-This paper analyzes the sources of voice digital signal acquisition and its pretreatment. By example, voice signals using Matlab time-frequency transform and analysis, and construct a fixed-frequency interference signals, the two signal synthesis, design digital filters to realize the speech signal F IR, IIR filtering, and finally time domain and frequency domain signal analysis and comparison.
Date : 2025-12-13 Size : 377kb User : 孙洋
[matlab] WAVELET_WORK DL : 0: THIS MATLAB CODE REDUCE THE SPECKLE NOISE IN SAR IMAGE, IT USE WAVELET FILTER THEN USED CASCADE THREE FILTERS IN TIME DOMAIN (HYBRID TIME AND FREQUENCY DOMAIN). THIS CODE NEED SOME MODIFICATIONS SINCE THERE ARE SOME PROBLEMS LIKE BY COMPUTE PSNR AND THE WAVELET HAS SOME ERRORS IN COMPUTE THE DE-NOISING
Date : 2025-12-13 Size : 1.16mb User : same
[matlab] codes DL : 0: The File Contains 5 Other Source Codes include, bandpass Butterworth Filter, Gabor Bank, RGB to HLS Conversion, Image Filtering in Frequency Domain and Hough transform. I hope that s enough to make me a member. Regards. Zizi.
Date : 2025-12-13 Size : 2kb User : zizi
[matlab] adaptive_beam DL : 1: adaptive beamformer using an FFT filter bank with/without DOA estimation and tracking (frequency domain version of Frost beamformer)
Date : 2025-12-13 Size : 4kb User : terryshi
[matlab] laplacian-filter DL : 0: matlab implementation of laplacian filter in spatial and frequency domain
Date : 2025-12-13 Size : 1kb User : Elham
[matlab] Filtering DL : 0: 时域滤波方法，频域滤波大全（包括中值滤波，均值滤波，理想低通，巴特沃斯低通带通滤波器-Time-domain filtering, frequency domain filtering Daquan (including the median filter, mean filter, the ideal low-pass, Butterworth low-pass band-pass filter
Date : 2025-12-13 Size : 5kb User : zhangjiahui
[matlab] Frequency-domain-image-enhancement DL : 0: 图像频域增强,频域低通滤波所产生的模糊,理想低通过滤波器所产生的模糊和振铃现象-Frequency-domain image enhancement, fuzzy frequency domain generated by the low-pass filtering, blurring and ringing the ideal low-pass filter is generated
Date : 2025-12-13 Size : 1kb User : app
[matlab] Frequency Filtering DL : 0: The reason for doing the filtering in the frequency domain is generally because it is computationally faster to perform two 2D Fourier transforms and a filter multiply than to perform a convolution in the image (spatial) domain. This is particularly so as the filter size increases. In what follows it is assumed that the reader is familiar with the Discrete Fourier Transform, its properties, and the transforms of commonly used functions (delta, noise, rectangular pulse, step, etc).
Date : 2025-12-13 Size : 204kb User : faisel

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