Fortran-Programs

通过最小二乘辨识系统模型，并进行必要的分析，是上系统辨识课的实验内容，有程序和报告(By least squares identification system model and the necessary analysis on System Identification lesson experimental content, procedures and reporting)

螺旋桨唱音信号建模，FFT变换后有明显的谐波(The propeller singing sound signal is modeled, and FFT transformation has obvious harmonic )

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

说明：  计算两组向量之间的旋转矩阵。输入参数为在两个不同坐标系中的同名向量（模为1），返回参数是一个3X3的旋转矩阵。(The function of RM realize the rotation between two sets of vectors, whose magnitude are 1, defined in two different refrence frames. Input parameters are two sets of vectors r and b, return value is a rotaton matrix.)

该程序计算薄板振动固有频率，模态，以及受迫振动时域响应(The program calculates the natural frequencies, modes, and time-domain responses of the forced vibration of the thin plate)

FMCW调频连续波雷达的测距测角，窗函数法设计一个数字带通FIR滤波器，详细画出了时域和频域的相关图。( FMCW frequency modulated continuous wave radar range and angula)

一维最小移动二乘法拟合位移场的无网格方法算例。(ONE-DIMENSIONAL MLS APPROXIMATION)

说明：  可以计算两个小于500位整数的乘法，多项式求m次阶的系数和,大数阶乘。(Can compute the two less than 500-bit integer multiplication,M second-order polynomial coefficients of demand and, factorial of large numbers .)

最新版的oofem 可以自己加入一些材料模型 版本更新速度也算快(latest version of oofem )

截取地震数据，按道和采样点截取，自动显示截取后的道数和采样点数(failed to translate)