搜索资源列表
DCT
- 实现图像的DCT高通、低通滤波器并与傅里叶变换做比较.有图可见，经DCT低通滤波后，图像变得很模糊。因为DCT是FFT取其实部，能量减少，因此图像变得很模糊，没有经FFT滤波后的效果好。 经DCT高通滤波后的图像： 经DCT高通滤波后，图像的低频部分被滤除掉，图像变黑，只有边缘的痕迹可见。-The DCT of image high-pass, low pass filter and compared with the Fourier transform.
FFT
- 基于stc12c5a60s2的 fft音频快速傅里叶变换，可以扩展做数字滤波器-Fft audio based stc12c5a60s2 the fast Fourier transform, digital filters can be extended to do
3
- MATLAB在信号处理中的应用 3 傅里叶(Fourier)变换 IIR数字滤波器的设计方法 FIR数字滤波器设计-MATLAB in signal processing of the application of three Fourier (Fourier) transform the design method of IIR digital filter FIR digital filter design
FFT
- FFT和FIR 快速傅里叶变换和FIR滤波器 实验的程序-Fast Fourier Transform FFT and FIR filter experimental program
FIR
- FFT和FIR 快速傅里叶变换和FIR滤波器实验程序-Fast Fourier Transform FFT and FIR and FIR filter experimental procedure
GenerationOfTheLog-normalDistributionClutter
- 本程序已被本人整理到WORD文档中，编程语言为MATLAB，本文设计的滤波器采用傅里叶级数展开法。模拟的杂波的功率谱密度采用BVURG法，概率密度函数的估计采用直方图估计法，设计参数皆在文档中表明。此程序已经验证是正确可执行的，并能生成图形，值得下载！-This program has been organized into WORD document I, the programming language MATLAB, the filter designed in this paper Fo
three_highpass_filters
- 用9种方法对彩色图像进行傅里叶高通滤波，有三种基本高通滤波器，三种增强型，三种加上直方图均衡的-Use nine methods doing high-pass filtering to a color image by Fourier transform:three basic filters,three enhanced,three enhanced with histogram equalization
q714
- q713是低通滤波器及傅里叶变换时域卷积定理验证，q714是用符号工具箱解z变换问题-q713 is a low-pass filter and the Fourier transform time-domain convolution theorem verification, q714 is symbolic toolbox solution of the problem z transform
SignalProcessMatlab
- 包含了很多数字信号处理方面的代码，如傅里叶变换，模拟和数字滤波器设计等，很实用。-Contains a lot of digital signal processing code, such as Fourier transform, analog and digital filter design, very practical.
gaborcreate
- 此m文件时实现MATLAB实现函数，Gabor滤波器的傅里叶变换为谐波和高斯函数各自傅里叶变换的卷积。 -Gabor transform！
MDEFIR1
- c语言编写的DSP程序，利用加窗傅里叶变换实现滤波器的设计。-c language of the DSP program, using windowed Fourier transform filter.
Audio_Filter_Analysis
- 使用Matlab代码和Simulink做音频的滤波后傅里叶分析及相应滤波器分析-Using MATLAB code and Simulink to do fitlered audio file Fourier anlysis and specifications anlysis of the corresponding filter.
DSP_Design
- DSP设计的入门到精通:从入门开始,一直到DSP接口,数据采集系统,快速傅里叶变换,数字滤波器等等.-DSP Design entry to the master: starting from entry until the DSP interface, data acquisition systems, fast Fourier transform, digital filters and so on.
EXAMPLES
- matlab 信号处理实例，其中有关于傅里叶变换，滤波器设计的一些实例-signal processing matlab examples, including on the Fourier transform, filter design examples
abei9
- 是用作开发数字图像滤波器的，但功能尚未完善。但是其中的傅里叶变换和逆变换对图像初学者理解FFT有帮助。-Development of digital image filter is used, but the function has not been perfect. But one of the Fourier transform and inverse transform FFT of image help beginners to understand.
zkjflyjd
- 距离保护傅里叶模型算法 使用图基滤波器 控制阻抗轨迹显示范围 在阻抗平面画出阻抗圆特性、整定阻抗直线特性和短路阻抗轨迹- Distance protection algorithm using the Fourier model-based filter control chart shows the range impedance locus in the impedance circle characteristic impedance plane plot, s
zkjflyxj
- 距离保护傅里叶模型相间阻抗算法 使用图基滤波器 控制阻抗轨迹显示范围 在阻抗平面画出阻抗圆特性、整定阻抗直线特性和短路阻抗轨迹- Impedance phase distance protection Fourier model-based filter algorithm control using the map display range impedance locus in the impedance circle characteristic impedan
MeFrm
- 傅立叶变换在图像处理中的重要作用： (A) 图像增强与图像去噪 绝大部分噪音都是图像的高频分量，通过低通滤波器来滤除高频噪声；边缘也是图像的高频分量，可以通过添加高频分量来增强原始图像的边缘； (B) 图像分割与边缘检测 提取图像高频分量 (C) 图像特征提取 形状特征：傅里叶描述子 纹理特征：直接通过傅里叶系数来计算纹理特征 其他特征：将提取的特征值进行傅里叶变换来使特征具有平移、伸缩、旋转不变性 (D ) 图像压缩 可以直接通过傅里叶系数来压缩数据
Basic_Image_Process
- 基本的图像处理程序：统计直方图，阈值分割，图形加减，傅里叶频谱分析，频域理想高通、低通滤波，高斯型滤波器，伪彩色编码，可以保存处理以后的图像-Basic image processing: histogram, threshold segmentation, graphics, addition and subtraction, Fourier spectral analysis, frequency domain the ideal high-pass, low pass filter, Ga
IPLib
- 该程序包含了二维傅里叶变换、低通滤波器、高通滤波器-The program includes two-dimensional Fourier transform, low pass filters, high pass filter