bchcode

一个计算两个信号频率差的Matlab程序,主要用于求多普勒频偏。(A Matlab program to calculate the Doppler shift )

matlab计算的自适应阈值分隔，非常好用，适用于初学者(matlab adaptive threshold calculation separated, very useful for beginners)

用ANSYS对梁进行优化设计，分为优化分析文件，优化控制文件，求解方法几个方面。(Using ANSYS to optimize the design of the beam, divided into optimization analysis files, optimize the control file, the method for solving aspects.)

利用matlab实现的部分CFD功能的代码，很有参考价值(Matlab to achieve part of the CFD function of the code, a very valuable reference)

有限元计算软件Nastran 运算出错时的所有错误列表，从标号1到22107.7。(FEM calculation error list of all software Nastran Error from grade 1 to 22,107.7.)

时间序列预测算法。支持5种常见的算法 移动平均 非线性回归 指数平滑等(ar, ardemo ma)

说明：  利用muscl格式求解可压缩多相流，采用minimod,vanabada限制器(Using muscl scheme to solve the compressible multiphase flow, using Minimod, vanabada limiter)

说明：  萤火虫算法，一种新型算法。参数设置少，迭代速度快，结果精确。(Firefly algorithm, a new algorithm. Parameter setting small, iterative fast, accurate results.)

计算几个复杂的天气诊断指数，最大对流稳定度指数，下沉对流有效位能，风暴强度指数等(The complexity of calculating the number of diagnosis index of the weather, the largest index of convective stability, subsidence CAPE, storm intensity index)

Introduction to Estimation and the Kalman Filter (KC-1) Extended Kalman Filter Navigation System Example