sai_gm01

说明：  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.)

利用扩展卡尔曼算法( EKF)对高动态直接扩频信号的载波相位和频率进行了估计,并利用载波辅助技术测量载波相位的变化值来 校正伪码延时环,减小多普勒频移对伪码延时的影响,得到了精确的延时估计值,提 高了伪码延时锁定环的动态跟踪性能.(The PN delay loop is adjusted through measuring the varied value of carrier phase with carrier aiding technology. The effect of Doppler shift on PN code delay is reduced through carrier aid- ing technology. The precise delay estimation is obtained. The dynamic tracking performance of the PN delay loop is improved.)

用追赶法来求解三对角线性方程组，解决数值分析问题，与大家共同学习。并且提供黄金分割法、高斯赛德尔迭代法求解数值分析问题(The catch-up method is used to solve tridiagonal linear equations, to solve numerical analysis problems, and to learn from you. The Golden Section Method and Gauss Seidel Iteration Method are also provided to solve numerical analysis problems.)

这是地球物理学中声波波动方程正演程序，非常有用(this is a program about finite difference)

说明：  微分进化算法中的其中两个子程序，还有未上传(Differential evolution algorithm)

基于Python编写的用于曲线拟合，最小二乘法(Based on Python for curve fitting, least squares method.)

基于vc++6.0的佳点集遗传算法的编程，里面的各项参数均可由使用者自我调整!(Vc++6.0 based on the good point set genetic algorithm programming, which the parameters can be adjusted by the users themselves!)

这是一个对时间序列进行短时傅立叶变换的源程序,测试过,好用的.(This is a program for STFT,which had tested.)

说明：  用Fortran编程求解简单的一元二次方程案例(Solving quadratic equation of one variable)

矩量法(电场结合磁场积分方程) 矩量法(电场结合磁场积分方程) 矩量法(电场结合磁场积分方程)(Method of moments (combined electric field integral equation))