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说明：  较新的优化算法，麻雀算法优化BP神经网络权值与阈值；(the key parameters of BP are choosed automatically by Sparrow Search Algorithm.)

Program to simulate Chirp scaling algorithm for SAR image formation using matlab

gps卫星位置计算的程序，精确确定卫星的位置(gps satellite position calculation procedures to accurately determine the position of satellites)

LDPC信道编码理论详细分析及matlab算法实现()

非常有名的定位专著：Mobile Entity Localization and Tracking in GPS-less Environnments(Mobile Entity Localization and Tracking in GPS-less Environnments)

红外小目标检测matlab程序 （转载）基于《Infrared Small-Target Detection Using Multiscale Gray Difference Weighted Image》编写的红外小目标检测(Matlab program for infrared small target detection)

matlab空间梁单元有限元源程序beam3d,不错的 还行(Matlab source space beam element finite element beam3d, good ok)

说明：  自动阈值分割算法，算法是Wellner s adaptive thresholding。(Automatic threshold segmentation algorithm, the algorithm is Wellner' s adaptive thresholding.)

一个内部外部约束非线性规划方法二次矩阵模型更新 ，关于modelupdating 的SCI文献(An inner outer nonlinear programming approach for constrained quadratic matrix model updating)

说明：  信号处理、检测。CHAP全称是PPP（点对点协议）询问握手认证协议 （Challenge Handshake Authentication Protocol）。(Noise, signal processing, detection, waveform. The full name of CHAP is PPP (Point-to-Point Protocol) Challenge Handshake Authentication Protocol.)