matlab

参考Matlab提供的模块建立简化的三相锁相环的仿真模型，只保留必要的步骤，如abc-dqz只计算Vq，去除频率反馈模块和自动参数调整模块等。 建立单相锁相环的计算模型  简化单相锁相环的系统结构，保留必要的PI控制器等模块  验证并讨论输入信号频率在45-65Hz变化时设计的锁相环的动静态性能  仿真并分析三相输入信号包含谐波、不平衡和直流偏移时锁相环的锁相结果(Reference Matlab provides three-phase PLL module to establish a simplified simulation model, retaining only the necessary steps, such as abc-dqz counting only Vq, remove frequency feedback module and automatic parameter adjustment module.  simulation and analysis of the three-phase input signal contains harmonics, unbalance and DC offset PLL phase-locked Results)

图像分割的GVF模型的MATLAB源代码，在gvf_v5.zip中，另有经典snake模型的代码(Image segmentation of GVF model of MATLAB source code, in GVF v5. Zip, another classic snake model code)

PCA算法Matlab实例，有详细的中文注释(PCA algorithm Matlab examples detailed Chinese Notes)

In histogram equalization we are trying to maximize the image contrast by applying a gray level transform which tries to flatten the resulting histogram. The gray level transform is a scaled version of the original image s cumulative histogram. That is, the graylevel transform T is given by T[i] = (G-1)c(i), where G is the number of gray levels and c(i) is the normalized cumulative histogram of the original image.

étude comparative code ldpc matlab ber representation message length variation, performance construction

matlab code Rayleigh Channel

Checkout the codes for error dectection and correction

应用C/C++语言编写灰度图像霍夫曼编码的程序(Application of C/C++ language coding gray-scale image of the Hoffman process)

利用svd的一种水印方法。SVD即奇异值分解(Singular Value Decomposition)算法。 (A watermarking method using svd. Singular value decomposition SVD that (Singular Value Decomposition) algorithm.)

一种新的水印提取方法，用MATLAB实现，对于做水印的同志们很有帮助哦(A new watermark extraction method, using MATLAB realize, for a watermark to do Oh comrades helpful)