Restoration

This program calculates minimum and inner constraint and plots the ellipsoid error.This is a useful code for solving geodetic networks.

说明：  永磁同步电机输出特性模拟程序。此处电机材料为线性。(Permanent magnet synchronous motor output characteristics simulation program. Material here for the linear motor.)

matlab编程时不采用工具箱内的内部函数specgram，按照计算过程直接编写仿真程序(matlab stft)

顺序函数法求解一维非稳态导热反问题的源代码(Sequential function method for solving one-dimensional unsteady heat conduction inverse problem of the source code)

26阶电力系统模型的电压稳定性matlab仿真研究(Circuit model simulation of 26 variables)

通过模板标定，计算极线约束，验证空间点坐标的误差(Calibration template for calculating epipolar constraint to verify the coordinates of space point error)

在Juan Cardelino发布的FMM(fast marching methos)2维程序基础上改写的3维程序。并改写成适合复杂速度模型，可用于地震旅行时计算。大模型3d算法在matlab下计算速度较慢，根据源码中的注释很容易改写成c程序。(3D FMM program revised from Juan Cardelino s 2D version. The program can calculate the seismic traveltimes in 3D complex model)

说明：  电力系统潮流PQ分解法5节点和9节点计算程序。(Power flow calculation program PQ decomposition 5 nodes and node 9.)

i upload a matlab code which can calculate density of atmosphere and temperature in altitude of over 100 km

说明：  LSB图像信息隐藏，能够用 LSB 算法对图像进行信息隐藏 能够用 LSB 提取算法提取隐藏进图像的信息(LSB image information hiding)