powder_size

说明：  FLAC3D软件生成球状模型的代码，采用fish语言(FLAC3D software generates the code of spherical model using fish language)

各种时间之间的转换，包括： 将GPS周和周内秒转换到公历时间， 由公历日期和GPS周内秒计算公历时间， 将公历GPS时间转换到GPS周和周内秒， 将简化儒略日转换到公历时间， 将公历时间转换到简化儒略日， 从儒略日计算公历时间， 将公历时间转换到儒略日等。(The conversion between various times, including: Conversion of GPS weeks and weeks to the calendar time, The calendar time is calculated from the date of the calendar and the seconds within GPS weeks. The GPS time of the calendar is converted to GPS weeks and within seconds, Julian day will simplify the conversion to the calendar time, The Gregorian calendar time to simplify the Julian day, Calculate the Gregorian calendar time from Julian day, Convert calendar time to Julian day.)

说明：  基于自适应滤波算法的通信系统中微弱信号检测程序(Weak Signal Detection Program in Communication System Based on Adaptive Filtering Algorithms)

光学谐振腔计算，锁模调制，腔内功率密度计算，一阶导数求解(Calculation of optical resonator)

张文彤SPSS统计分析基础教程数据、张文彤SPSS统计分析高级教程数据(Zhang Wentong SPSS Statistical Analysis of Basic Course Data and Zhang Wentong SPSS Statistical Analysis of Advanced Course Data)

针对汽车的电子稳定性控制系统的126法规，做了基础性的模型(A basic model for the 126 regulation of the electronic stability control system of automobiles has been made)

固定翼无人机仿真平台，可以进行算法测试，进行姿态控制，以及位置控制(Fixed wing UAV Simulation Platform, which can be tested for algorithm)

DIgSILENT自带的例子，分享一下。(DIgSILENT comes with examples to share.)

迭代计算算法，能够完成收敛分析，求解非线性方程根的一个很有效的方法。(Iterative algorithm can complete convergence analysis and solve the roots of non-linear equations.)

离散点生成等高线的程序，基于方格网数字地形模型(Discrete points of the program to generate contour lines, grid-based DTM)