CODESYS PLC程序编辑手册，非常全面的系统掌握codesys 的编程原理。-Programing manual for Codesys PLC，this book explains thoroughly about the codesys from the beginning level to advance level

前置量法弹道仿真。前置量法也称角度法或矫直法，采用这种导引方法导引导弹时，在整个飞行过程中，导弹-制导站的连线始终提前于目标-制导站连线，而两条连线之间的夹角 则按某种规律变化。通过建模仿真，使大家更形象生动的理解前置量法。-Front method of trajectory simulation. Front Method, also known as the angle law or straightening method, using this guide guided missile

hspice教程，公司内部资料，非常实用，快速上手，这个是高级教程-HSPICE tutorial, the company s internal information, very practical, quick to use, this is a senior course

EMD方法的一个经典测试文件，需要提前安装EMD工具箱-EMD method of a classic test file, you need to install EMD toolbox in advance