运用MATLAB实现大型复杂平面有限元问题的位移、应力、应变等功能的实现 -These codes are intent to be used for calculating the displacement, stress, strain in complex, large plane problems in Matlab rather than in FEM softwares.

松组合导航源码，GPS原理及应用书上的，新测可用。-Loosly integrated navigation for GPS and MEMS-IMU, attached matlab codes and flying test data.These source codes come the book GPS applications and methods , they were tested and are avaliable absolutely.

合成孔径雷达信号处理（synthetic aperture radar signal processing）的代码，非常完整，可配合书籍学习-synthetic aperture radar signal processing with matlab algorithms