235346435645time_syn

CDMA编码的代码,跳频扩频的代码以及直接序列扩频的代码，以及GOLD码产生(CDMA coding ,FH Spread spectrum and DS Spread spectrum )

基于Kalman滤波器设计思想，仿真实现电池充放电模型建立，实现二阶RC电路充放电模型；(The battery charge and discharge model to achieve second-order RC circuit to charge and discharge model-based Kalman filter design thinking, simulation )

石川法计算齿轮的啮合刚度，用matlab编程来实现的m文件(Ishikawa method to calculate the gear meshing stiffness, m file matlab programming to achieve)

说明：  利用三种方法解决Volterra的两个种群的生态学问题。(Volterra use three methods to solve the problem of two populations of Ecology.)

说明：  电力变压器局部放电在线检测中窄带干扰滤波方法(Power Transformer Partial Discharge Detection in the narrow band interference filter)

二维FDTD程序，采用PML边界s 用pml和mur分别计算j=1处的Hz(i,1).计算空间扩大到400*400，不加边界，运行相同的时间步(2D FDTD procedures, Application of the PML's border with pml and mur calculated j = 1 Hz of (i, 1). for the space to expand to 400* 400, without borders, running the same time step)

计算圆阵方向图，可任意设置阵元个数和信号频率；并汇出三维图、二维方向图以及等高线图(Calculating circular array pattern can be arbitrarily set the number of array elements and signal frequency and export three-dimensional map, two-dimensional pattern and contour plots)

分析TDLTE系统主/辅同步信号的频域自相关性和互相关性以及小区搜索、同步算法的仿真。(Analysis of the frequency domain auto correlation and cross-correlation of the main/secondary synchronization signal of TDLTE system and the simulation of the cell search and synchronization algorithm. )

synchronous genertor with PV array

说明：  此程序为DS-CDMA链路中加入基于子空间的PAST多用户检测方法。系统中采用m序列阔频，可以通过高斯信道或瑞利信道。可以直接运行得到不同信噪比下的误码率曲线。(This procedure for the DS-CDMA link by adding the PAST subspace-based multi-user detection methods. System m sequence used in wide-band, you can channel through the Gaussian or Rayleigh channel. Can be directly run different SNR BER curves.)