资源列表
有限元一维C++源码
- 本程序写出了一个完整的一维有限元程序算列,列子如下 d^2u/dx^2=sin(x); u(0)=0,du(1)=0. u=sin(x);区间[0,2*pi].
MT4 MQL4 线性回归源码指标
- MT4 MQL4 线性回归源码指标 开发与VC++相似,计算线性回归。-MT4 MQL4 source linear regression indicator development with VC++ is similar to calculating linear regression.
二维光子晶体弯曲波导的fdtd程序
- 二维光子晶体弯曲波导的fdtd程序,matlab语言 ,TE波, PML边界条件,平面波光源,Two-dimensional photonic crystal waveguide bend the FDTD program, matlab language, TE wave, PML boundary conditions, plane wave light source
在VC下实现FFT对信号滤波
- 在VC下实现FFT对信号滤波,包括实现低通和带通滤波,图形显示,In VC to achieve FFT of signal filtering, including the realization of low-pass and band-pass filtering, graphical display
用指数龙格库塔方法求解时滞
- 用指数龙格库塔方法求解时滞(延迟)微分方程!,Using index method Runge-Kutta time-delay (delay) differential equations!
fdtd_antenna.rar
- FDTD 模拟 天线 包含 近场-远场 外推程序(时谐场),FDTD to simulate a antenna includ the NF to FF translate
pdesolve.rar
- 偏微分方程数值解法的程序包,包括拉普拉斯方程、对流方程和扩散方程的各种解法,Numerical Solution of Partial Differential Equations package, including the Laplace equation, convection-diffusion equation equation and the various solution
EnsembleKalman_filter
- 集合卡尔曼滤波(EnKF) 数据同化方法可以避免了EKF 中协方差演变方程预报过程中出现的计算不准确和关于协方差矩阵的大量数据的存储问题,最主要的是可以有效的控制估计误差方差的增长,改善预报的效果。-Ensemble Kalman Filter (EnKF) data assimilation methods can be avoided in the EKF covariance forecasting the evolution equation arising in the course
普林斯顿海洋模型POM
- 普林斯顿海洋模型POM是现时通用的海洋模型,此程序为POM模型网格生成文件。-The Princeton Ocean Model(POM) is a model widely accepted by physical eanographic researchers. This is the grid file of POM.
seismic_forward
- 地震正演程序,在已有的数值地质模块基础上采用正演模拟公式来对地震波在地下的传播进行模拟,相对描述出地下地层岩性情况。-Seismic forward procedure, the values have been adopted on the basis of geological block formula for forward modeling of seismic wave propagation simulation in the ground, and the relative d
DEM(Distrete-Element-Model)--Fortran
- 离散颗粒碰撞程序,包括颗粒的随机生成程序,颗粒搜索程序,颗粒碰撞程序。-Discrete particle collision procedures, including procedures for randomly generated particles, particles search process, particle collision process.
FFT
- 利用FFT估计正弦信号的频率,要估计一个叠加了高斯白噪声的正弦信号 的频率 ,可以通过对x(n)做傅里叶变换,得到频谱图,找出幅度的最大值对应的频率值 ,进行多次变换,求出均方误差 。改变信噪比SNR,通过仿真可以得出随着信噪比增加,均方误差减小。-Sinusoidal signal using FFT frequency estimation, to estimate a Gaussian white noise superimposed on the frequency of sinusoi