序员通过图形用户界面为X-windows来编写程序，主要一类库是直接实例化窗口对象 并得出新类，许多现实的实例程序。-sequence passage graphical user interface for X-windows to prepare procedures, the main library is a direct example of the object and the window reveals a new category, many of the practical

直接扩频系统常用函数，有助于对直接扩频系统的算法研究。-functions for Direct spread spectrum system,guod referense for the study for Direct spread spectrum system

直扩码分多址DS-CDMA是利用高速的WALSH正交码序列作为地址码,与多用户信息数据相乘得到信息数据的直接扩频信号,再经(the direct spread code division multiple access (DS-CDMA) is a direct spread spectrum signal which is used as an address code by using a high-speed WALSH orthogonal code sequence and is mu