Description: 该程序是用c++builder写的基于快速付利叶(fft)变换的图像低通滤波其中包括fft变换和逆变换-that the procedure was used to write c builder profits based on the rapid leaf (fft) Transform Image low-pass filter including fft transform and inverse transform Platform: |
Size: 1517 |
Author:yyyyyy |
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Description: 比较了FFT算法和低通滤波器在去除噪声中的作用-compared the FFT algorithm and low-pass filter to remove noise in the role Platform: |
Size: 51200 |
Author:陈圣 |
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Description: 信号与系统基础知识包括连续信号与模型、离散信号与模型;常用信号变换包括Z变换、Chirp Z变换、FFT变换、DCT变换和Hilbert变换等;离散系统结构包括IIR、FIR和Lattice结构;IIR滤波器设计包括模拟和数字低通、高通、带通与带阻滤波器设计,以及基于冲激响应不变法和双线性Z变换法的IlR滤波器设计等;FIR滤波器设计包括基于窗函数、频率抽样法和切比雪大逼近法的FIR滤波器设计;平稳信号分析包括经典功率谱估计、基于参数模型的功率谱估计和基于非参数模型的功率谱估计;非平稳信号分析包括STFT变换、Gabor展开、Wigner-Ville分布与Choi-Williams分布;非高斯信号分析包括基于非参数法的双谱估计、基于参数模型的双谱估计,以及双谱估计的应用;信号处理的GUI实现包括滤波器设计与分析的FDATool工具和滤波器设计与信号分析的SPTool工具。-signals and systems based on knowledge, including continuous signal with the model, discrete signal and model; Common signals include transform Z transform, chirp Z-transform, FFT transform. DCT and Hilbert transform; Discrete system architecture including IIR, FIR and Lattice structure; IIR filter design, including analog and digital low-pass, high-pass, band-pass and band stop filter design, Based on the impulse response of the same law and bilinear Z transform the IlR filter design; FIR filter design including on the basis of the window function, frequency sampling and snow all over the big approximation of FIR filter design; stationary signal analysis include classical power spectrum estimation, Based on the model parameters of the power spectrum estimation and non- parametric model b Platform: |
Size: 101376 |
Author:james |
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Description: 1.了解离散傅立叶变换及离散余弦变换的基本原理;
2.掌握进行FFT及逆变换的方法;
3.了解图像在频域中处理方法,应用MATLAB语言作简单的低通滤波器。
-1. Understand the discrete Fourier transform and discrete cosine transform the basic principle; 2. master for FFT and inverse transform; 3. understanding of image processing in the frequency domain method, MATLAB language for simple low-pass filter. Platform: |
Size: 16384 |
Author:小春 |
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Description: 该程序是用c++builder写的基于快速付利叶(fft)变换的图像低通滤波其中包括fft变换和逆变换-that the procedure was used to write c builder profits based on the rapid leaf (fft) Transform Image low-pass filter including fft transform and inverse transform Platform: |
Size: 1024 |
Author:yyyyyy |
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Description: 图像分析课程实验报告,delphi实现。
1. 图像显示
能显示图像,显示图像的基本信息,如:直方图、熵。
2. 图像变换
a) 平移
b) 缩放
c) 旋转
d) FFT变换
e) 小波变换
3. 图像增强
a) 直方图增强
b) 小波增强
4. 图像分割
a) 梯度分割
b) Canny算子
5. 图像滤波
a) 低通滤波
b) 中值滤波
c) 高通滤波
d) 带阻滤波
6. 数学形态学
a) 腐蚀
b) 扩张
c) 开运算
d) 闭运算
e) 骨架
7. 模式识别
a) 特征匹配
-Experiment report image analysis program, delphi realize. 1. Image display can show images, display images of the basic information, such as: histograms, entropy. 2. Image Transform a) Translation b) zoom c) rotation d) FFT transform e) Wavelet Transform 3. Image enhancement a) Histogram enhance b) wavelet enhanced 4. Image segmentation a) gradient partition b) Canny operator 5. Image Filtering a) low-pass filter b) median filter c) high-pass filtering d) band-stop filter 6. Mathematical morphology a) corrosion b) expansion c) open computing d) closing operation e) skeleton 7. Pattern Recognition a) Feature Matching Platform: |
Size: 285696 |
Author:齐欢乐 |
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Description: 低通滤波源码,C与汇编嵌套,效率奇高。为1K,FFT.基于54系列及19点FIR低通滤波C语言程序-Low pass filter source code, C and the compilation of nested efficiency high. For the 1K, FFT. Based on the 54 series and 19 o Platform: |
Size: 24576 |
Author:ray |
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Description: 程序包中包括Chebyshev低通滤波器、巴特沃斯模拟低通滤波器、Cholesky分解、DFT算法、FFT算法,可以直接移植到嵌入式系统或DSP中实现。-Package includes Chebyshev low-pass filter, Butterworth low-pass filter simulation, Cholesky decomposition, DFT algorithm, FFT algorithm, can be directly transplanted to the embedded system or DSP to achieve. Platform: |
Size: 4096 |
Author:Wen |
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Description: 信号与系统基础知识包括连续信号与模型、离散信号与模型;常用信号变换包括Z变换、Chirp Z变换、FFT变换、DCT变换和Hilbert变换等;离散系统结构包括IIR、fir和Lattice结构;IIR滤波器设计包括模拟和数字低通、高-Basic knowledge of signals and systems, including continuous signal with the model, discrete signals and model common signal, including Z Transform Transform, Chirp Z Transform, FFT transform, DCT transform and Hilbert transform, etc. discrete system architecture including IIR, fir and Lattice structure IIR filter design, including analog and digital low-pass, high- Platform: |
Size: 3072 |
Author:东 |
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Description: 在VC下实现FFT对信号滤波,包括实现低通和带通滤波,图形显示-In VC to achieve FFT of signal filtering, including the realization of low-pass and band-pass filtering, graphical display Platform: |
Size: 1963008 |
Author:刘以续 |
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Description: 采用FFT和低通滤波器的两种语音除噪算法比较,MATLAB编程,附效果图-Using FFT and low pass filter audio noise canceling algorithm for the two compare, MATLAB programming, with a results map Platform: |
Size: 49152 |
Author:陈洪 |
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Description: 应用MATLAB语言编写低通滤波器,对含噪图像作低通滤波处理- Using the MATLAB language compilation low pass filter, to contains chirp the image to make low-pass filtering processing Platform: |
Size: 348160 |
Author:秦树芳 |
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Description: 有关FFT和低通滤波器的实例,简洁实用,很有针对性,已经运行通过-The FFT and low-pass filter example, simple and practical, very targeted, has been running through the Platform: |
Size: 1024 |
Author:hetao |
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Description: 本工程实现了将三路合成的DSB信号用椭圆滤波器(低通,带通,高通)滤出;
其中的freqz函数,filter函数,fft函数都自己实现。
每种滤波器都分别用专门的函数分别写出,可以模块化。-
This project will be three-way synthetic a DSB signal elliptic filter (low pass, band-pass, high pass) filter out
Freqz function of which, the filter function, fft function.
Each filter are, respectively, with a special function, respectively, to write, can be modular. Platform: |
Size: 117760 |
Author:zhengzai |
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