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说明：  二次型准牛顿BFGS 公式,用于计算非线性函数(second type quasi-Newton BFGS formula used to calculate the nonlinear function)

卫星导航的单点定位程序，设计简单，原理清楚，是学习编程的好资料。(Single point positioning satellite navigation application, simple design, the principle is clear, is good reference to learn programming.)

模拟喷泉喷水，模拟出喷出水的过程，以及主视图和俯视图(fountain simulation)

分析了影响多雷达组网对目标跟踪精度的因素以及与单雷达的差异,提出了定义雷达网目 标定位精度,以及评估多雷达组网后在目标定位精度方面带来增益的方法。推导了雷达网对目标定 位精度和相应评估指标的估计公式。该文方法不要大量的计算机仿真就可以方便地评估2-D、3- D以及混合雷达网的目标定位精度和效能。通过应用实例说明了该文方法的优点和有效性。 (The factors that affect the location accuracy of target tracked by multi-radar are analyzed.The method to define target location accuracy and the metrics to evaluate the accuracy improvement efficiency of a radar net- work are presented.The analytical expressions are developed to estimate the target location accuracy and the effi- ciency metricsof a radar network.The presented method is convenient to evaluate the target location accuracy and the efficiency of 2-D,3-D as well as the heterogeneous radar network instead of the tedious computer simula- tions.The advantages and the validity of the method are demonstrated by an application. )

基于MATLAB和声卡的信号发生器。产生正弦波。适用与初学者。界面友好(Based on MATLAB and sound card signal generator. Generated sine wave. Application and beginners. Friendly interface)

matlab/Simulink implementation of Boiler fuzzy controller

信号调制与解调信号调制与解调信号调制与解调(Modulation and demodulation signal)

matlab程序，可求解任意次B样条基函数及其一阶导(Solving the basic function of arbitrary order B spline and its first order)

自动控制原理中关于阻尼（欠阻尼，过阻尼，临界阻尼）(damping of automatic control theory)

说明：  用于进行变量降维的matlab程序，大家可以试一试，很有效哟(Variable Reduction Testbench MATLAB modules，it is very effective， we can try, very effective ..............)