平面、空间桁架的计算程序：1、是计算在载荷作用下的平面桁架位移以及杆件的轴力。轴力符号规定，受拉为正，受压为负。另外还哼计算支座反力。 2、对桁架的节点编号，采取先编可动节点，接着再编固定节点。 3、计算多工况问题-Plane, the calculation of space truss: 1, is included in the load displacement of the plane truss, as well as the axial force rod. Symbol prov

freCBF程序，利用波束形成判定目标方位，产生某一方位角度的发射信号，利用波束形成判定目标方位-freCBF procedures, the use of beamforming determine the target bearing to produce a transmitted signal of the azimuth angle beamforming determine target orientation

使用四种方法实现对轴承振动数据的自回归谱（AR）分析，并带有数据-Using four methods to realize auto regressive (AR) analysis of the bearing vibration data, and have the data

基于小波变换的电机轴承故障诊断的应用与开发-Application and development of motor bearing fault diagnosis based on wavelet transfor

基于纯方位的双阵或多阵目标定位和跟踪算法研究，对初学者帮助很大。-Based on pure bearing double array or more array target location and tracking algorithms, a great help for beginners.