signalfft

采用递推最小二乘法在时域范围内辨识传递函数(Recursive least squares method identification in the time domain transfer function)

说明：  FDTD的3D源程序,PEC边界,比较详细(FDTD the 3D source, PEC boundary, a more detailed)

用有限差分法求解雷诺方程，提供了一段简介的MATLAB程序(Reynolds equation using the finite difference method, the period of introduction MATLAB program)

齿轮传动参数测定和公法线公差计算，变位直齿圆柱齿轮参数测定(Determination and the normal line of the gear transmission parameter tolerances calculation)

用于学习LBM对流体的研究，可以加深对LBM的理解(LBM fluid)

数值代数通常也称为矩阵计算，是以计算机为工具来求解各种数学模型的主要课程，同时也是计算方法课程的延续和深入(Numerical algebra also commonly called matrix calculation is based on the computer as a tool to solve a variety of mathematical models of the main course, but also the calculation method of curriculum continuity and depth)

Matlab潮流计算程序可计算任意N节点，带算例，说明十分详细(Matlab flow calculation program can calculate arbitrary N nodes, with examples, very detailed)

世界上开源的速度最快的FFT变换程序FFTW的说明文档，搜集了好久才找到，都是中文的，有助于对FFTW的使用。(Open source in the world s fastest FFTW FFT transform program documentation, gathered for a long time to find, are all in Chinese, help to the use of FFTW.)

说明：  利用时域有限差分计算电磁场，采用时域算法计算(Calculation of electromagnetic field by FDTD)

3D流场计算，程序简单非常容易看懂。适合初学者学习(3D flow field)