guangpufenxi

TextureAnlysis.m实现遥感图像的纹理分析，以 方向邻域内的灰度均值 和 灰度共生矩阵的熵 作为纹理特征，使用k-means聚类。(TextureAnlysis.m the realization of remote sensing image texture analysis to the direction of the gray-scale neighborhood of the mean and the entropy of gray level co-occurrence matrix as texture features, the use of k-means clustering.)

关于模型辨识的MATLAB仿真源码。有使用最小二乘的建模，有极大似然估计建模的方法。每个重点例句都有详细的解释。(On the MATLAB simulation model of source identification. Modeling the use of least squares, and maximum likelihood estimation method of modeling. Each key has a detailed explanation of examples.)

GMDH_main为GMDH主函数； variable_Combin为输入层初始变量选为x1,x1^2,x1*x2,x2^2,x2时的输入变量矩阵值 variable_select计算X_train训练输入数据,Y_train训练输出数据,X_test测试输入数据,Y_test测试输出数据 Combin为求变量的两两组合 Sym_Combin为求符号变量的两两组合 PE_AIC求每层各神经元的参数估计W，及训练数据在参数估计后估计的输出out_train，测试数据在参数估计后的估计输出out_test，还有与实际比较的误差平方和PESS， 以及准则值AIC sym_representation求最终的输入输出符号表达式 Criterion_value求准则值 (GMDH_main main function for the GMDH variable_Combin initial variables chosen for the input layer, x1, x1 ^ 2, x1* x2, x2 ^ 2, x2 the value of the input variable matrix calculation X_train variable_select training input data, Y_train training output data, X_test test input data, Y_test for the sake of the test output data Combin pairwise combination of variables for the sake of symbolic variables Sym_Combin pairwise combinations PE_AIC neurons find each parameter estimation of the W, and after the training data is estimated in the estimation of output out_train, test data After the parameter estimates of the output estimated out_test, also compared with the actual sum of squared errors PESS, as well as the final criterion value AIC sym_representation seek the input and output values ​ ​ of symbolic expressions Criterion_value find criteria)

该压缩包中的程序实现对图像的平滑和锐化，其中采用多种方法实现平滑（包括均值滤波，中值滤波，顺序统计滤波）和锐化（包括采用Sobel算子和高通滤波）。(Program realization of the right image sharpening and smoothing. using a variety of methods in which to achieve smooth (including mean filtering, median filtering, Order Statistics filtering) and Sharpening (including Sobel operator and high-pass filter).)

利用matlab实现burg算法的程序，不是调用pburg函数，希望能帮助要做课程作业的童鞋们。(The matlab burg algorithm program, not call pburg function, hoping to help the children ' s shoes to do course work.)

用自适应法做时延估计，然后根据时延估计确定声源的定位(Adaptive time delay estimation method used to do, and then determine the time delay estimation based on the positioning of the sound source)

直线提取matlab程序，区分圆与直线部分(Straight line extraction matlab procedures, distinguish between circular and linear part )

宽带信号方位估计的克拉美罗界，研究CRB与SNR及方位角的关系。(Wideband signal DOA estimation Cramer Rao Bound, Relationship CRB and SNR and azimuth.)

GPS卫星伪距单点定位，采用最小二乘法求解非线性方程组。(Pseudo range single point positioning of GPS satellite)

Important matlab code for research