forum-ddt

The silde introduces about digital filter bank- an important concept in contemporary communication. Also, concept of L-band filters or Nyqist filter is introduced here.

说明：  这是有关相控阵的书籍，介绍很全面而且翔实，有关超声发射和聚焦方法介绍等(This is a book about phased arrays, the introduction is very comprehensive and informative, about the introduction of ultrasound transmission and focusing methods, etc.)

非常好的游戏策划教程，如果你是游戏策划新手，那么这本书非常适合你。(Very good game design tutorial, if you are new to the game plan, then this book is for you.)

黑客技术教程，其实是一位黑客高手的随笔啊。(Hacking technology tutorials, is a master hacker of Suibi ah.)

说明：  visual C ++ ebook for programmer

清华大学庄茁教授编写的《Abaqus 非线性有限元分析实例》(Abaqus nonlinear finite element analysis)

Matlab系列。特征值计算各类算法分析(Matlab series. Eigenvalue calculation analysis of the various algorithms)

OP27G数据手册,精密运算放大器，来自德州仪器公司。(OP27G datasheet)

收集了看雪技术论坛 2001.9.9 ～ 2002.3.20 期间的精华内容，共475余篇原创文章。 (pediy)

Ansys裂纹扩展程序 通过调用APDL模拟裂纹扩展过程(Ansys crack simulation)