1996-Nonlinear_Systems

One dimensional problem in class (nonlinear) Geometry: A=1, uniform cross-section L=2, total length of bar BC at x=0, u=0 BC at x=L, f=3.75 Material : nonlinear elastic E=10 sigma=E*(epsilon+epsilon^3)

程序将一年中的天数转换到相应的月份及日期。适用于TLE数据中的日期转换。程序不用if语句，简单易懂高效。输入参数可以是数组形式。(The program will convert the number of days in a year to the corresponding month and date. TLE data for the date conversion. Program without the if statement, straightforward and efficient. Input parameters may be matrix form.)

pwm法计算二维光子晶体能带的通用程序，可以对光子晶体进行分析，注解详细(pwm method to calculate the general program of the two-dimensional photonic crystal band, the photonic crystal analysis, detailed annotations)

该m文件是数字信号处理实验课上的实验7：小信号放大器性能分析与仿真(The m-file is an experimental digital signal processing on the experimental class 7: small-signal amplifier performance analysis and simulation)

说明：  基于MATLAB实现的LMS和rls算法，通过测试，可以输出学习曲线和误差曲线(MATLAB-based implementation of the LMS and rls algorithms, testing and can output the learning curve and error curve of)

主要是些matlab的常用指令，对大家可能会有所帮助(Mainly those commonly used matlab instructions may help to everyone)

Numerical analysis: Newton method used to solve the nonlinear problems.

对Iris数据进行贝叶斯两类分类，实现正确与错误分类的比较(classification based on Bayes to the date of Iris)

天线相位中心偏差变化及改正模型对精密单点定位精度的影响(Antenna phase center offset correction model changes and precise point positioning accuracy of)

针对传感器网络中的非视距定位问题，使用泰勒加llos的联合方法降低非视距影响(decrease the location error in nlos environement)