shuxue

programme de methodes numerique pour la resolution des equations differentielle

本人编写的ofdm系统中的em信道估计matlab仿真程序，可直接运行(I ofdm prepared by the system of channel estimation em Matlab simulation program can be run directly)

SOURCE CODE FOR TRANSCALCULUS BETWEEN ETRS89 (GRS80) GPS SYSTEM and STEREOGRAPHIC 70 COORDINATE SYSTEM

在天然地震数据中提取频散曲线，研究面波的频散特性。有很好的效果。(Seismic data extracted natural dispersion curves, dispersion characteristics of surface waves. Have a good effect.)

1.本书在MATLAB环境下实现了各类PID控制算法,具有很强的工程参考价值. 2、将光盘中的仿真程序复制到硬盘MATLAB运行的路径中，便可仿真运行。 3、本书算法在MATLAB 5.3版下运行成功，并适用于其他版本。 (1. This book has all kinds of MATLAB environment to achieve PID control algorithm, has a strong engineering reference value. 2, CD-ROM in the simulation program will be copied to the hard disk to run the path of MATLAB, the simulation can be run. 3, the book version of algorithm in MATLAB 5.3 running under success, and apply to other versions.)

自己搭的三相锁相环模拟电路，作业经过运行验证，能够很迅速的锁定电压电流相位。(Take their own three-phase PLL analog circuits, after running the verification, the lock can be very rapid phase of voltage and current.)

Extract satellite ephemeris data from RINEX version 2.1 navigation data file.

可以完成地震记录的合成，实现地震记录的正演模拟(Synthetic seismogram can be done to achieve forward modeling of seismic records)

数学建模中用lingo来编写程序动态聚类树画法，(Mathematical modeling lingo to write programs using dynamic clustering tree painting,)

many program in matlab code special in photovoltaic generator