vi_vr

雷达成像之RD算法和CS算法（ Range-doppler）-RD radar imaging algorithm and CS algorithm (Range-stethoscope)

结构应力计算（转贴）有限单元法基本原理和数值方法》一书的源程序-structural stress (04) finite element method and the basic tenets of Numerical Methods, "a book of the source

研究了微波与海面相互作用的散射机理 在Ｐｌａｎｔ等人研究成果的基础上对多普勒频谱仿真模型进 行改进和完善 根据Ｂｒａ ｇｇ散射原理 复合表面理论和线性波理论 引入不同极化机制下的 ＮＲＣＳ 给出多普 勒频谱的谱型 幅度和时域变化特征 比较分析了不同海况下的仿真结果(The effects of microwave scattering mechanism with sea interaction research in the Plant and others on the basis of the Doppler spectrum simulation model to improve and perfect the principle according Bra gg composite surface scattering theory and linear wave theory is introduced under different polarization mechanisms NRCS Doppler spectral type given amplitude and comparative analysis of temporal variation in different sea conditions simulation results)

说明：  提取振动曲线的波峰和波谷值，返回对应的坐标值和峰值。(extract vibration curve peaks and trough values corresponding to the coordinates of the peak value.)

说明：  雷达目标相参积累 脉冲压缩 LFM调制 MATLAB编程环境(radar target detection coherent integration)

说明：  用stata实现事件研究法的实证分析，基于某公司借壳上市的实例，分析超额收益(An empirical analysis of event research method with Stata)

判断一组数据是否是正态分布，并且画出概率密度曲线(A set of data to determine whether it is normal)

西安交通大学的《自制可编程控制器》电子书(Xi)

说明：  Fortran welding video sample

说明：  matlab使用齿轮信号进行仿真，验证方法的准确性。(Matlab is used to simulate the gear signal to verify the accuracy of the method.)