ecms_QD_49T_1

说明：  利用netcd库 python语言读取nc气象文件(Using Python language of netcd library to read NC meteorological files)

说明：  该文档为ANSYS仿真开发实例，为某扁挤压筒的热结构耦合分析，格式为txt，请自行如有需要请自行修改并复制到ANSYS开发界面运行。(This document is an example of ANSYS simulation development. It is a thermal structure coupling analysis of a flat extrusion tube. The format is TXT. Please modify and copy it to the ANSYS development interface if necessary.)

宾馆管理系统论文，很全民，适合学习和借鉴(Hotel management system thesis, it is universal, suitable for study and reference)

说明：  在R语言中有根据矩阵绘制色块图的程序，可以用于绘制相关系数矩阵图，用丰富的颜色和形状形象的展示矩阵元素值的大小。今天介绍的是如何用matlab绘制矩阵色块图。(In R language, there is a program to draw color block graph according to matrix, which can be used to draw correlation coefficient matrix graph and show the size of matrix element value with rich color and shape image. How to draw matrix color block diagram with MATLAB is introduced today.)

matlab求解天线的3db波束宽度和比较方向图，计算简单(Matlab to solve the antenna 3dB beam width and comparison of the direction of the map, simple calculation)

说明：  cycloid曲线方程及修形，用于减速器齿廓设计(Cycle Curve Equation and Modification for Gear Profile Design of Reducer)

通过MATLAB软件研究齿轮-滑动轴承的分岔混沌动态特性(Study on the chaotic dynamic characteristics of the gear sliding bearing by MATLAB software)

hfss中文手册，很实用，资料非常齐全，学习很好的东西(HFSS software and learning materials)

说明：  实现角度向弧度的转换，并判断所属象限。。。(Realize the conversion of angle to radian, and judge the quadrant.)

显示各国民用航空领域所使用的acars数据，为一款免费软件(Display ACARS data used in the civil aviation field for a free software)