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Description: 数字图像理想低通滤波器，只要修改把大于号改成小于号就可实现高通滤波器-digital image ideal low-pass filter, as long as the changes has been replaced by greater-than, less than can be achieved high pass filter
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Size: 992 |
Author: xiaoha |
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Description: 理想低通滤波器的Matlab仿真
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Size: 275 |
Author: daviddhm@126.com |
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Description: 基于频率域的低通滤波器
主要有理想，巴特沃思，高斯等三种-based on frequency domain of the low-pass filter main ideals, Butterworth, including three Gaussian
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Size: 1929216 |
Author: zhangming |
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Description: 数字图像理想低通滤波器，只要修改把大于号改成小于号就可实现高通滤波器-digital image ideal low-pass filter, as long as the changes has been replaced by greater-than, less than can be achieved high pass filter
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Size: 1024 |
Author: xiaoha |
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Description: 按照给定指标采用模拟低通滤波器（巴特沃思低通）去逼近理想模拟低通滤波器 ，然后通过双线性变换法对模拟滤波器进行数字化，得到数字滤波器 。-Indicators in accordance with a given analog low-pass filter (Butterworth low-pass) to approximate the ideal analog low-pass filter, and then through the bilinear transformation method of digitizing analog filters, the digital filter.
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Size: 2048 |
Author: 李文嘉 |
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Description: matlb编写的IIR滤波器程序，按照给定指标采用模拟低通滤波器（巴特沃思低通或者切比雪夫低通）去逼近理想模拟低通滤波器 ，然后通过双线性变换法对模拟滤波器进行数字化，得到数字滤波器 。-IIR filter matlb prepared by the procedure, according to set targets and analog low-pass filter (Butterworth low-pass or low-pass Chebyshev) approximation to the ideal analog low-pass filter, and then through the bilinear transformation method for analog filtering device to digitize, the digital filter.
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Size: 1024 |
Author: 李淡 |
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Description: 频率域去噪程序，理想低通和巴特沃斯低通滤波器-Frequency domain de-noising procedure, an ideal low-pass and Butterworth low-pass filter
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Size: 354304 |
Author: plx |
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Description: 按照给定指标采用模拟巴特沃斯低通滤波器去逼近理想模拟低通滤波器 ，然后通过双线性变换法对模拟滤波器进行数字化，得到数字滤波器 -Indicators in accordance with a given analog Butterworth low-pass filter to approximate the ideal analog low-pass filter, and then through the bilinear transformation method of digitizing analog filters, digital filters have been
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Size: 1024 |
Author: 凌丽 |
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Description: 数字信号处理基于matlab 文件内容
/conv(卷积部分)
dupconv 重叠保留法
freqcirconv 频域圆周卷积
freqconv 频域卷积
timecirconv 时域圆周卷积
timeconv 时域卷积
/fft(频域分析部分)
d2fft 基2FFT
dft DFT最简化程序
dtft DTFT演示
/fir(fir滤波器设计)
fir 得到fir滤波器hn
getwindow 得到fir滤波器窗函数wn
idealfilter 理想滤波器(低通,高通,带通)hdn
idealhd 理想低通滤波器
/fir gui(fir滤波器GUI设计)
gui_top 总图
gui_fir fir滤波器GUI
gui_sigout 选择信号GUI
/power caculate(功率谱分析)
directpower 直接谱分析
indirectpower 间接谱分析(估计谱分析)
noise 噪声谱分析
/sigout(常见信号产生)
sigout 离散信号产生-Digital signal processing matlab based on the content of the document/conv (convolution part) dupconv law of reservations freqcirconv overlapping frequency domain circular convolution freqconv frequency domain convolution timecirconv time-domain circular convolution timeconv time-domain convolution/fft (frequency domain analysis part) d2fft base 2FFT dft DFT the most simplified procedure dtft DTFT demo/fir (fir filter design) fir be fir filter hn getwindow be fir filter window function wn idealfilter ideal filter (low pass, high pass, band-pass) hdn idealhd ideal low-pass Filter/fir gui (fir filter GUI design) gui_top general layout gui_fir fir filter selection GUI gui_sigout signal GUI/power caculate (power spectrum analysis) directpower direct spectral analysis indirectpower indirect spectral analysis (spectral analysis estimated) noise noise spectrum analysis/sigout (common signals) sigout discrete signals
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Size: 36864 |
Author: 李文 |
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Description: 设计一个数字低通滤波器，来近似一个理想数字滤波器-Design a digital low-pass filter to approximate an ideal digital filter
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Size: 1024 |
Author: 立早 |
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Description: 频域低通滤波（理想低通滤波器、梯形低通滤波器、巴特沃斯低通滤波器、指数低通滤波器），频域高通滤波（理想高通滤波器、梯形高通滤波器、巴特沃斯高通滤波器、指数高通滤波器）-Frequency-domain low-pass filter (ideal low-pass filter, ladder low-pass filter, Butterworth low-pass filter, the index low-pass filter), frequency-domain high-pass filtering (ideal high-pass filter, trapezoidal high-pass filter , Butterworth high-pass filter, the index of high-pass filter)
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Size: 3042304 |
Author: zhaojie |
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Description: ％ y=filter(sig,fmin,fmax)
％ 对信号进行理想滤波，可完成低通，带通
％ sig为被滤波信号
％ fmin为下限频率，当fmin为0时为低通滤波器，当fmin>0时，为带通滤波器
％ fmax为上限频率，fmax>fmin
％ fs为信号的采样频率
％ y为经过滤波后的信号
-％ Y = filter (sig, fmin, fmax)％ of the ideal signal filtering, to be completed by low-pass, band-pass filter％ sig for signal％ fmin is the minimum frequency, when fmin for 0:00 for the low-pass filter, when fmin > 0, for the bandpass filter％ fmax is the upper limit frequency, fmax> fmin％ fs for signal sampling frequency％ y for the filtered signal
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Size: 1024 |
Author: liu |
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Description: 本实验首先按照给定技术指标采用模拟低通滤波器（巴特沃思低通滤波器）去逼近理想模拟低通滤波器，然后通过双线性变换法对模拟滤波器进行数字化，得到数字滤波器。-In this study, first of all technical specifications in accordance with a given analog low-pass filter (Butterworth low-pass filter) to approximate the ideal analog low-pass filter, and then through the bilinear transformation method of the digitization of analog filters, digital filters are .
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Size: 24576 |
Author: cuiqida |
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Description: 数字图像处理中的滤波和傅里叶压缩，包括理想低通滤波器，巴特沃茨高通滤波器，高斯带通滤波器，高斯带阻滤波器，FFT图像压缩。附原图像和处理后的图像截图。-Digital image processing in filtering and Fourier compression, including the design of an ideal low-pass filter, design Batewoci high-pass filter, bandpass filter design Gaussian, Gaussian band stop filter, FFT image compression. Attached to the original image and processed image capture.
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Size: 272384 |
Author: 刘雨相 |
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Description: 分别设计理想低通滤波器、巴特沃思滤波器、指数滤波器、梯形低通滤波器,并对含高斯噪声的图像进行低通滤波，截止频率自选，观察不同的截止频率,不同的滤波器的滤波效果。-Were designed for the ideal low pass filter, Butterworth filter, exponential filter, ladder low-pass filter, and Gaussian noise images with low-pass filter cutoff frequency chosen to observe the different cut-off frequency, different filter filtering device.
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Size: 4096 |
Author: 蓝园芳 |
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Description: CDib类的傅立叶变换及一些低通滤波器(理想低通、Butterworth、Gauss等)(Fourier transform of class CDib and some low pass filters)
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Size: 21504 |
Author: 80千秒差距
|
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Description: 频域低通滤波，理想低通滤波器，巴特沃斯低通滤波器(Low pass filter in frequency domain, ideal low pass filter, Butterworth low pass filter)
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Size: 9216 |
Author: biubiubiubiubiu
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Description: 理想低通滤波器 matlab 示范 ，自带数据 可直接运行(Ideal low pass filter matlab demonstration, data can be directly run.)
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Size: 201728 |
Author: oubao |
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Description: 使用MATALB软件仿真验证匹配滤波器的性能，并将匹配滤波器与理想低通滤波器比较(MATALB software is used to simulate and verify the performance of the matched filter, and the matched filter is compared with the ideal low-pass filter.)
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Size: 1024 |
Author: sdcd18 |
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Description: 1. 回顾非递归滤波器的差分
方程、脉冲响应、传输函
数及频率响应
2. 说明如何设计滑动平均滤
波器
3. 讨论相位延迟和相位失真
4. 给出理想低通滤波器的脉
冲响应
5. 定义重要的滤波器指标，
包括通带波纹、阻带波
纹、过渡带宽度和带宽
6. 定义FIR窗，包括矩形
窗、汉宁窗、哈明窗、布
莱克曼窗和凯塞窗
7. 给出选择窗类型和滤波器
阶数的方法
8. 列出低通滤波器设计步骤
9. 阐述如何设计带通和高通
FIR滤波器
10.给出带阻滤波器设计方法
11.进行低通、带通、高通、
带阻滤波器的设计
12.讨论等波纹FIR滤波器的
设计，考虑实际情况：包
括量化和溢出
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Size: 7176008 |
Author: liuzongjian163@163.com |
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