fdtd

样本熵 结合样本熵和谐波小波分解，MATLAB程序原代码(Sample entropy and sample entropy combined with harmonic wavelet decomposition, MATLAB program source code)

二维离散余弦变换的图像压缩 直方图均匀化 数字图像矩阵数据的显示及其傅立叶变换 模拟图像受高斯白噪声和椒盐噪声的影响 (Two-dimensional discrete cosine transform image compression histogram equalization of digital image data matrix display and the analog image by the Fourier transform of Gaussian white noise and salt and pepper noise)

说明：  《计量地理学》（徐建华，高等教育出版社，2005）配套实习指导,利用Matlab编程计算非线性回归模型,以Logistic曲线为例( Quantitative geography (Xu Jianhua, Higher Education Press, 2005) supporting practice guidance, the use of Matlab programming non-linear regression model calculated to Logistic curve as an example)

对所给数据进行滤波，得到更具规律性的数据曲线(For the given data filtering, to obtain a more regular data curve)

induction motor simplified dynamic model pu vector control

噪声信号中正弦信号的频谱分析，包括不同信噪比不同周期不同长度(Sinusoidal signal in the noise signal spectrum analysis, including the different cycles of different lengths in different SNR)

用fdtd方法 模拟集成光学离子交换中扩散离子浓度的分布 进而求得折射率的分布。更创新性加入了 可变扩散系数 条件（绝对原创）(FDTD method using ion-exchange integrated optics simulation of the spread of the distribution of ion concentration to obtain the distribution of refractive index. More innovative and joined the variable conditions of the diffusion coefficient (absolute original))

在RGB、HSV、YCBCR空间提取得到了高质量的印章，算法鲁棒性很强。(the seal is well recognized in the space of RGB、HSV and YCBCR,and the method is robust.)

在MATLAB下实现FSK调制解调。并画出了每一步的波形以及功率谱密度图(in MATLAB under FSK modulation and demodulation. And the mapping out of every step of the waveform and power spectral density map)

MATLAB CODE FOR IMAGE PROCESSING