thresholdsplit

fft谐波分析的实例，并求出THD即谐波畸变率 (Examples fft harmonic analysis, and find THD)

文章由重力和重力梯度的基本理论出发，讨论了重力分量和重力梯度张量分量的2-D傅立叶变换 与重力位的傅立叶变换之间的关系。推导了航空重力梯度仪的测量原理，并对航空重力梯度测量的 应用做了简要的介绍(Article by gravity and gravity gradient of the basic theory, discussed the components of gravity and gravity gradient tensor component of the 2-D Fourier Transform and gravity places the relationship between the Fourier transform. Derivation of the airborne gravity gradiometer measuring principle, and airborne gravity gradient measurements application to do a brief introduction)

说明：  通过建立车辆运动学模型，使用MPC算法模拟仿真导引车辆达到指定点(Through the establishment of vehicle kinematics model, the MPC algorithm is used to simulate and guide the vehicle to the designated point.)

通过标准方法实现结构加速度的线性积分问题(Implementation structure by standard methods of linear integral of acceleration)

c/C++跟fortran语言之间的一些转换(c/C fortran language with the conversion between)

自己编写的变步长龙格库塔方法解强非线性微分方程(their preparation variable step Changlong lattice-Kutta method to solve nonlinear differential equations)

说明：  实现快速离散傅里叶变换，即FFT,很有用的程序(Fast discrete Fourier transform, namely, FFT, very useful program)

用于利用最大熵法求解数据资料服从的分布类型。并应用最小二乘法求解模型以得到最优解(Using the maximum entropy method for solving the data distribution type of obedience. And apply the least squares method to obtain the optimal solution to solve the model)

这个windows下可视化晶体结构的软件,可用于构造晶体,界面,表面...对于做第一性原理初始模型的构建以及结果的可视化分析特别有用处.(Under the windows crystal structure visualization software can be used for the crystal structure, interface, surface ... do first principles for the construction of the initial model and the results of visual analysis is particularly useful.)

一个由C语言写成的矩阵运算程序源代码，共初学者参考。(A C language source code matrix calculation, a total of reference for beginners.)