zxinglib

matlab实现样条插值法，方便快捷实现各种拟合(matlab implementation spline interpolation method, to achieve a variety of quick and easy fitting)

固高一级倒立摆的4种极点配置方法，可以达到很好的角度和位置控制。(Solid high-level, four kinds of inverted pendulum pole placement method)

说明：  一个随机数产生器(mt19937) 计算物理中Monte Carlo方法中的基本条件 周期为2^19937(a random number generator (mt19937) Computational Physics Monte Carlo methods of the basic conditions for the cycle 2 ^ 19937)

：滤波 fs=400 采样频率,必须大于两倍基带信号最高频率 ts=1/fs 采样时间间隔 T=5 时间窗大小 t=0:ts:T (hf1=zeros(1,N) hf1(f<=B1&f>=-B1)=1 y1=hf1.*fftshift(y) figure subplot(211) plot(f,abs(fftshift(y))/N,f,hf1, r-- ) axis([-fs/2,fs/2,0,1.2]) title( 原信号频谱 ) xlabel( f /Hz ) subplot(212) plot(f,abs(y1)/N) title( 低通滤波，截止频率90Hz ) xlabel( f /Hz ))

一个二维的fdtdc++编写的程序，较完整，带有pml边界条件。感兴趣的可以下载看看。(A two-dimensional fdtdc++ preparation procedures, more complete, with pml boundary conditions. Interested can download to see.)

移动通信领域中已广泛采用自适应回波抵消技术,自适应回波抵消算法是该技术的核心,算法的优劣直接影响自适应回波抵消效果,同时它对降低硬件复杂度和产品成 本也有特殊意义。文章对自适应回波抵消的NLMS算法、双端讲话(DT)的检测算法及后 处理的NLP算法进行了分析和讨论。 (nIhtemobileeonllnunieationdomani,adpativeeehoenaeellationhasbeen idelyusedwihthtealgorith ofadPativeehcoeancellationasitskeyteemlology. Qualiytofalgorlthmwillhveadireeteeffetonhtereusltofeancellation,andgoodal- goritmhswillreduce stemcomPelxiytandlwoerhtecostofproduct.Thepapergives annaalysisonthekeyalgorithinofadPatveiechoenaeellationNLMS,algorithmof doubleta deteetion,nadalgorithmofnonlinearPoreessnig. )

谱比法对多层介质的Q值求取MATLAB程序代码(Spectral ratio of the Q value of the multilayer dielectric strike MATLAB code)

利用matlab画出smith圆图，方便分析观察和作图.很好用(Using matlab to draw Smith chart, convenient analysis observation and drawing )

采用动态规划方法实现的目标分配，后面有MATLAB代码(Solving Weapon Target Assignment Problem with Dynamic Programming)

说明：  一些有关最优控制理论的控制实例程序集仿真 (Optimal control theory control instance assembly)