ART

这里几种功率谱估计方法，对它们的性能进行了比较，可供参考！(Here several methods of power spectrum estimation of their performance are compared for the reference!)

function g=nonlineareq(x) Here is an example of nonlinear system that can be solved by using the Matlab command "fsolve" written in the file called "solution.m" (see quasi-Newton or Levenberg-Marquardt methods). g(1)=x(1)-4*x(1)*x(1)-x(1)*x(2) g(2)=2*x(2)-x(2)*x(2)+3*x(1)*x(2)

Taflove书的一维时域有限差分完美边界的程序！欢迎下载！(Taflove book one-dimensional finite-difference time-domain boundary perfect program! Welcome to download!)

band pass filter designing

里面含有盲识别BCH码的长度的代码，用于matlAB子程序调试，很好用。(BCH code which contains the length of the blind identification code for matlAB subroutine debugging, very good use.)

该例子介绍了zemax在序列模式下融入非序列，光线从每个被定义的场点(Field Point)射向系统孔径，并且穿越非序列性表面(NSC Surface)前的所有序列性表面(In NSC with Port Design, the system uses the system as defined in aperture (System Aperture) and field (Field) in the sequence mode. The light from each field defined in point (Field Point) fired at the system aperture, and through all sequences of non-sequential surface (NSC Surface) before surface)

说明：  对离散数据运用最小二乘法进行椭圆拟合，运行过了觉得还不错就上传了。(Discrete data on the use of least squares method for ellipse fitting, run over a feel good on the uploaded.)

机床主轴回转精度模拟，可以求其回转精度，圆度误差等(Spindle rotation accuracy simulation, you can find its rotary precision, roundness error, etc.)

说明：  计算平面九桁架的时域动力响应，运用中心差分方法，状态空间法(Nine of plane truss dynamic response in time domain using the central difference method, state space method)

buck_boost电路中电感电容的计算，等效电路的详细的推导过程，及仿真(buck_boost inductor-capacitor circuit in the calculation of the equivalent circuit of the detailed derivation and simulation)