Description: 这片是写的数据信号处理可查那个设计的报告,报告包括卷积演示程序、演示采样定理、模拟滤波器设计演示—从模拟低通滤波器到模拟高通、带通、带阻的幅度
特性对比演示、切比雪夫I型低通滤波器、利用凯塞窗设计高通滤波器、使用双线性变换法设计巴特沃斯低通数字滤波器 这几个部分..........用matlab实现
-this piece is written data signal processing design can be found that the report, including the convolution Demonstration Program, Presentations sampling theorem, Analog Filter Design demo-from analog low-pass filter to simulate high-pass, band-pass, with the rate of resistance properties compared demo, I Chebyshev low-pass filter, the use of Kaiser window design high-pass filter, use bilinear transform design Butterworth low-pass digital filter these parts .......... used mat Implementation lab Platform: |
Size: 325597 |
Author:风 |
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Description: 这片是写的数据信号处理可查那个设计的报告,报告包括卷积演示程序、演示采样定理、模拟滤波器设计演示—从模拟低通滤波器到模拟高通、带通、带阻的幅度
特性对比演示、切比雪夫I型低通滤波器、利用凯塞窗设计高通滤波器、使用双线性变换法设计巴特沃斯低通数字滤波器 这几个部分..........用matlab实现
-this piece is written data signal processing design can be found that the report, including the convolution Demonstration Program, Presentations sampling theorem, Analog Filter Design demo-from analog low-pass filter to simulate high-pass, band-pass, with the rate of resistance properties compared demo, I Chebyshev low-pass filter, the use of Kaiser window design high-pass filter, use bilinear transform design Butterworth low-pass digital filter these parts .......... used mat Implementation lab Platform: |
Size: 325632 |
Author:风 |
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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. Platform: |
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. Platform: |
Size: 1024 |
Author:李淡 |
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Description: 模拟滤波器,用M文件实现,可以做函数使用。有低通滤波器和高通滤波器,带通,带阻。-Analog filters, with M files to achieve, can be done using the function. There are low-pass filter and high-pass filter, band-pass, band-stop. Platform: |
Size: 7168 |
Author:eachgear |
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Description: 模拟低通滤波器和数字低通滤波器的设计代码,已经通过编译和运行-Analog low-pass filter and digital low-pass filter design code has been compiled and run through Platform: |
Size: 1024 |
Author:liuhui |
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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 Platform: |
Size: 1024 |
Author:凌丽 |
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Description: 基于Matlab的典型图像增强算法的源码
程序代码说明
P0301:数字图像矩阵数据的显示及其傅立叶变换
P0302:二维离散余弦变换的图像压缩
P0303:采用灰度变换的方法增强图像的对比度
P0304:直方图均匀化
P0305:模拟图像受高斯白噪声和椒盐噪声的影响
P0306:采用二维中值滤波函数medfilt2对受椒盐噪声干扰的图像滤波
P0307:采用MATLAB中的函数filter2对受噪声干扰的图像进行均值滤波
P0308:图像的自适应魏纳滤波
P0309:运用5种不同的梯度增强法进行图像锐化
P0310:图像的高通滤波和掩模处理
P0311:利用巴特沃斯(Butterworth)低通滤波器对受噪声干扰的图像进行平滑处理
P0312:利用巴特沃斯(Butterworth)高通滤波器对图像进行锐化处理-They are typical Matlab-based image enhancement algorithm.
Procedure Code Description
P0301: digital image data display matrix and its Fourier transform
P0302: Two-dimensional discrete cosine transform image compression
P0303: the use of gray-scale transformation method of contrast-enhanced images
P0304: Histogram of homogenization
P0305: analog image by Gaussian white noise and salt and pepper noise
P0306: A two-dimensional median filter function by medfilt2 of salt and pepper noise image filtering
P0307: the use of MATLAB s function affected by noise interference filter2 images mean filter
P0308: Image Adaptive Weiner Filter
P0309: the use of five kinds of different gradient enhanced image sharpening method
P0310: Image of high-pass filtering and mask treatment
P0311: the use of Butterworth (Butterworth) low pass filter on the image noise by smoothing treatment
P0312: the use of Butterworth (Butterworth) high-pass filter for sharpening Platform: |
Size: 21504 |
Author:panghuanzhi |
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Description: IIR 数字滤波器设计:模拟低通巴特沃思滤波器、模拟低通切比雪夫1型滤波器、模拟低通切比雪夫2型滤波器、模拟椭圆低通滤波器-IIR Digital Filter Design: Analog low-pass Butterworth filter, analog low-pass Chebyshev Type 1 filter, analog low-pass Chebyshev type 2 filter, analog elliptical low-pass filter Platform: |
Size: 2048 |
Author:menger |
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Description: dsp算法40例,包括fft、滤波器、谱运算等
1. 将模拟滤波器转变为数字滤波器。
2. 由得到幅频响应 。
3. 用Burg算法求AR模型的参数。
4. 由AR模型参数得到功率谱。
5. 用Levinson算法求解Yule-Walker方程以得到 阶AR模型的参数 。
6. 实现双线性Z变换。
7. 设计巴特沃斯模拟低通滤波器,求出转移函数 。
8. 设计切比雪夫I型模拟低通滤波器,求出转移函数 。
9. 直接由定义求 点复序列 的DFT 。
10.利用经典的Cooley-Tukey基2算法求复序列 的DFT 。
-dsp algorithms 40 cases, including the fft, filter, spectrum operations, etc.
1. Analog filters into digital filters.
2. Amplitude-frequency response by obtained.
3. Burg algorithm for AR model with the parameters of demand.
4. AR model parameters obtained from the power spectrum.
5. Levinson algorithm using Yule-Walker equations to get the first-order AR model
parameters.
6. The bilinear Z transform to achieve.
7. Design of Butterworth analog low-pass filter, find the transfer function.
8. Design of Chebyshev-I analog low-pass filter, find the transfer function.
9. Directly from the definition of point complex sequence of DFT.
10. The use of the classic Cooley-Tukey radix-2 algorithm is seeking re-sequence of DFT.
....... Platform: |
Size: 59392 |
Author:jack |
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Description: 实现有限冲激响应滤波器的设计,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 。-To achieve the design of finite impulse response filter, according to a given target analog low-pass filter (Butterworth low-pass or a Chebyshev low-pass) to approximate the ideal analog low-pass filter, and then through the bilinear transformation method digitized analog filters, digital filters to be. Platform: |
Size: 1024 |
Author:zhang |
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Description: 设计一个IIR数字低通滤波器, 逼近一组模拟滤波器的指标参数(通带截止频率Wp=2*pi*2000rad/s,阻带边界频率Ws=2*pi*3000rad/s,通带波纹 Rp=3db, 阻带衰减Rs=15db, 采样频率f=10000Hz); 分别用脉冲响应不变法和双线性变换法实现设计,列出传递函数并描绘模拟和数字滤波器的幅频和相频响应曲线。用上述设计滤波器完成几组给定信号的滤波,证明滤波器的有效性和滤波范围限制.-Design a IIR digital low-pass filter, approaching a group of analog filters indicator parameters (pass-band cut-off frequency Wp = 2* pi* 2000rad/s, stop-band edge frequency Ws = 2* pi* 3000rad/s, pass-band ripple Rp = 3db, stop-band attenuation Rs = 15db, the sampling frequency f = 10000Hz) were used to change the impulse response method and bilinear transformation method for design, list and describe the transfer function of analog and digital filter amplitude-frequency and phase-frequency response curve. A filter was designed with the completion of the above-mentioned groups of a given signal filtering, to prove the effectiveness of filters and filter limit Platform: |
Size: 71680 |
Author:刘文珍 |
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Description: 本VI是模拟Butterworth低通滤波器,将正弦信号和均匀白噪声叠加信号,然后进行滤波,得到有用的正弦信号。-The VI is analog Butterworth low-pass filter, the sinusoidal signal and uniformly white noise superimposed signals, then filtered, get useful sinusoidal signal.
Platform: |
Size: 32768 |
Author:DH |
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Description: 设计一个模拟巴特沃特低通滤波器,它在30rad/s处具有1dB或更好的波动,在50rad/s处具有至少30dB的衰减。求出级联形式的系统函数,画出滤波器的幅度响应、对数幅度响应、相位响应和脉冲响应图。-Design an analog low-pass filter of Bart Walter, it 30rad/s, at 1dB or better fluctuations in 50rad/s, at least 30dB of attenuation. Calculate the system function of the cascade form, draw the filter s amplitude response, logarithmic amplitude response, phase response and impulse response diagram. Platform: |
Size: 111616 |
Author:风影雨痕 |
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Description: 模拟滤波器设计源代码,包括模拟低通滤波器、模拟高通,带通,带阻滤波器-Analog filter design source code, including analog low-pass filter, an analog high-pass, band pass, band stop filter Platform: |
Size: 7168 |
Author:周翌 |
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Description: 用MATLAB编写的模拟低通滤波器设计,运行方法见readme,希望能对大家有所帮助。-Using MATLAB analog low-pass filter design, method of operation, see readme, I hope you can help. Platform: |
Size: 2048 |
Author:梁志坚 |
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