signalfft

用DFT 函数计算电压u, 电流i的基波(f1=50 Hz)的有效值和相位; 用FFT函数分别计算电压u和电流i 所包含的直流,基波和谐波的有效值和初相角; 可计算基波(f1=50 Hz)和各次谐波的功率p和功率因数con?.(The effective value and phase of fundamental wave (f1 = 50 Hz) of voltage U and current I are calculated by DFT function. The effective values and initial phase angles of DC, fundamental and harmonic waves contained in voltage U and current I are calculated by FFT function, respectively. The power P and power factor con of fundamental wave (f1 = 50 Hz) and harmonics can be calculated.)

用计算机编程的方法建立试卷的合理分配问题的优化模型(Optimization model to establish the papers a reasonable allocation problem with computer programming methods)

用matlab自编的的变步长LMS滤波的算法的程序，希望对大家有用(Matlab own use of variable step size LMS algorithm for filtering procedure, in the hope that useful to everybody)

本程序集对地球物理场做多种处理 如：2阶及4阶导数，位场转换，不规则密度体重力场计算，竖直圆柱体重磁场计算，用泰勒多项式及最小平方2乘的剩余异常计算，（主要适用于地磁场以及重力场的转换）(FUNCTION : THIS ROUTINE IS USED TO CALCULATE GRAVITY FOR VARIABLE DENSITY OF 2D BIVARIATE TRAPEZOID BODY Function : This program calculate derivation of order 2 and order 4 uesd in Geophysical Field（magmagnetic，gravity field） FUNCTION : THIS ROUTINE IS USED TO CALCULATE GRAVITY FOR VARIABLE DENSITY OF 2D BIVARIATE TRAPEZOID BODY Purpose: Continuation of potential fields (upward and downward continuation ) Function: This program will calculate residual anomaly,)

计算电磁学基础教材， 包括MOM FEM FDTD(fundmental materail for beginner include MOM FEM FDtd)

泽尼克多项式来表示波前形状，此程序运用matlab求得泽尼克多项式系数( Searched: Entire Web Site Advanced Search Results 1 through 9 of 9 Zernike Polynomial Coefficients for a given Wavefront using Matrix Inversion in Matlab )

数值传热学Simple算法，Fortran编写(Simple using Fortran)

贝叶斯matlab程序算法，给出了大量练习数据和实验方法以及结果分析。(Bayesian algorithm matlab procedures are given a great deal of practice data and experimental methods and results analysis.)

有较好的参考价值，外文资料里面的源代码，基于小波变换的数字水印算法matlab代码。( There are good reference value, Foreign materials inside the source code, Based on wavelet transform digital watermarking algorithm matlab code.)

几个使用的解线性方程组的程序，包括高斯消去法，高斯列主元法，高斯——赛德尔消去法。简明实用。(Gauss elimaination, Gauss_seidel ellimination)