The GIFT (the GNU Image-Finding Tool) is a Content Based Image Retrieval System (CBIRS: http://en.wikipedia.org/wiki/CBIR). It enables you to do Query By Example (QBE: http://en.wikipedia.org/wiki/QBE) on images, giving you the opportunity to improve

伪随机序列产生器,线性反馈移位寄存器，原代码。-Pseudo-random sequence generator, linear feedback shift register, the original code.

卫星定位算法，对卫星GPS多星定位的算法进行研究-MATLAB source localization Modeling feedback loop using MATLAB and Simulink