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TwoDimensionalFastFourierTransform
- 本实验要求开发一个2-D FFT程序包,使其可以应用于后续的几个实验。这个程序需要完成的功能是用因子(-1)^(x+y)乘以输入图像以实现滤波的中心变换,并还要求用一个实矩阵乘以一个复数矩阵通过调用两个图像的乘法程序来实现对应元素的相乘,同时计算反傅立叶变换,得到的结果乘以(-1)^(x+y)并取其实部最后计算频谱。实验中用到傅立叶变换的基本公式,通过实验我们可以更加深刻的理解频域滤波的基础。-The experiment calls for the development of a 2-D F
wavelet
- 关于实小波与复小波进行时频分析的资料,希望对大家有帮助-With regard to real wavelet and complex wavelet for time-frequency analysis of the data, we want to help
ditong
- 此代码基于opencv2.2,实现的功能:在频域中对图像进行低能滤波处理,输出一幅灰度图,一幅傅氏实部图,一幅虚部图-This code is based on opencv2.2, to achieve the function: low frequency domain filtering of image processing, output a grayscale, a real part of Fourier maps, an imaginary figure
Digital_Image_Process_Example
- 本展示程式,采用Borland C++ Builder编译器开发, 参考书籍为 Digital Image Processing, Prentice Hall, 2002. (2nd edition) 具备功能如下: 空间域处理 Spatial domain proc.. 灰阶值转换 Gray Level Trans.. 遮罩型滤波器 Spatial Filter 统计型滤波器 Statistics Filter 梯度运算
motaifenxi
- 求频响函数的实频、虚频、幅频、相频及Nyqiust图-Seeking FRF real frequency, imaginary frequency, amplitude and frequency, phase frequency and Nyqiust Figure
LFM
- LFM频谱的成像,分别得到时域实部、虚部,频域以及相位的图像。LFM信号的脉冲压缩。点阵目标的成像(The real time, imaginary part, frequency domain and phase images of the LFM spectrum are obtained respectively. The pulse compression of the LFM signal. Imaging of dot matrix target)