pso-4

系统是关于用于移动通信中的窄带智能天线系统(Full system design for narrowband smart antenna systems used in mobile communications. )

用于基于图像纹理特征提取的图像检索，其中包括matlab中自带的graycomatrix和graycoprops两个m文件，和四个用于提取图像纹理特征及图像检索的m文件(For image retrieval, including matlab comes graycomatrix, and graycoprops two m files, and four m-files used to extract image texture features and image retrieval based on image texture features extracted)

Takes U.T. matrices A, B, orthonormal matrices Q,Z, interchanges

matlab2007a版本的使用教程和范例，包括book文件夹和m文件夹。(matlab2007a version of the use of tutorials and examples, including folders and m book folder.)

根据三次B样条公式，算出样条曲线，并取样，把三维坐标写进txt，再用matlab绘制三维三次B样条曲线(According to the cubic B-spline formula, calculate the spline curve, and sample, the three-dimensional coordinates into the txt, and then draw three-dimensional cubic B-spline curve)

MATLAB M FILES FOR CONTROL

基于面阵的信号方位角与频率的联合估计，采用MUSIC算法(Based on the planar array of signal azimuth and frequency of joint estimation using MUSIC algorithm)

借助旋转不变技术估计信号参数esprit，子空间估计doa方法(With ESPRIT Estimation of Signal Parameters esprit, subspace estimation method doa)

调制:对每个空间流分别进行调制，输入分别为每个空间流的所有6760列、调制类型，输出结果为2行3380列复数。(Modulation: separately for each spatial stream are modulated, respectively, for all the input 6760 of each of the spatial streams, modulation type, the output of the second row 3380 complex.)

功能[DATAOUT]= PGA（DATAIN），执行相位梯度 ％ISAR自动对焦。 ％ ％DATAIN ISAR范围内的实时数据。 DATAOUT％范围内的实时数据已被删除平移 ％相位误差。 ％ ％参考： ％D.E.瓦尔，P.H.艾歇尔，特区吉利亚，C.V. Jakowatz，“相 ％梯度自聚焦一个强大的工具，用于高分辨率SAR相 ％修正“，硕士论文。航空。＆电子系统，第30卷，3，1994。(function [dataout]=PGA(datain) performs phase gradient autofocus of ISAR. datain is range-time data of ISAR. dataout is range-time data that have been removed translational phase error. Reference: D.E. Wahl, P.H. Eichel, D.C. Ghiglia, C.V. Jakowatz, "Phase gradient autofocus-a robust tool for high resolution SAR phase correction," IEEE Trans. Aero. & Elec. Sys., vol. 30, no. 3, 1994.)