Precision-analysis-of-GPS_BDS-

计算心理声学的一些参数，比如响度，sharpness，粗糙度等等。(Psychoacoustic calculation of some parameters, such as loudness, sharpness, roughness and so on.)

本代码是ADC有效位测试的三参数经典算法的MATLAB文件，仅供参考。(the code is for enob of ADC using classical 3-parameter testing method.)

MATLAB/SIMULINK BASED NON Linear Control of PUMA 560

matlab遗传算法工具箱遗传算法的使用总结(matlab genetic algorithm toolbox genetic algorithm using summary)

判断半正定矩阵与正定矩阵间的一种新的准则，gky方法是判定系统是否稳定的一种很有效的方法，里面有源代码和相应文档(Judge half positive definite matrix and the positive definite matrix, a new criterion between gky method is to determine whether the system stability of a kind of very effective method, there are source code and documentation accordingly)

永磁同步电机滑模控制程序，电流环速度环采用滑模控制(Sliding mode control procedures, current loop speed control loop sliding mode)

HTI介质模型THOMSEN参数计算，标注有明确的注释。(HTI medium model THOMSEN parameter calculation, marked with a clear note.)

四阶Runge-Kutta法解一阶常微分方程Matlab代码(Fourth-order Runge-Kutta method for solving a first-order ordinary differential equations Matlab code)

把当前图形窗中已存在的任何字对象拖放到所需的位置；向当前图形窗输入字对象，并拖放到任何所需位置。 (align current graphics window which has been in existence for the drag and drop any object to the word for the position; current graphics to the window object input characters, and drag-and-drop to any required position.)

new timer system