liftingnodeform

该程序用fortran90编写，时域有限差分（FDTD)中的近远场变换方法。解决了电磁波后向散射中的RCS计算(FORTRAN90 prepared with the program, finite difference time domain (FDTD) in the near field to far field transformation method. Resolved backscattering of electromagnetic waves in the RCS calculation)

对于PID算法给予了通俗易懂的讲解，有利于初学者快速掌握PID的要领(I give the PID algorithm the understandable explanation，which will help beginners to quickly master the PID essentials)

提供函数能进行1维2维的FFT，输入输出的序列长度应为2的整数次方倍(Provides functions can be one-dimensional two-dimensional FFT, sequence length input and output should be an integer power of 2 times)

ansys-初应力-残余应力-焊接残余应力-ansys温度场(ansys-initial stress)

解无约束优化问题的锥模型拟牛顿信赖域算法。不同与传统的二次模型方法。(A quasi-Newton algorithm based on the simple dogleg method is developed.)

膜渗透 FUENT UDF 气液两相流 (Gas-liquid two-phase flow membrane permeation FUENT UDF)

说明：  Anderson计算流体力学第十章平板超声速流动例子源码(Anderson Chapter 10 supersonic flow example source code)

录音程序，音频录音fft程序，并加界面显示(radio record code)

这是一个用于一维等离子体粒子模拟的Fortran程序。(This is a one-dimensional plasma particle simulation for Fortran programs.)

二维情况的chan定位算法，1994年原版论文代码实现，可以支持远近和linear nonlinear四种模式(2 dimension chan algorithm, TDOA localization. Including near, far field and linear nonlinear sensor array)