该程序是对简单AF和应用去噪映射的协作通信系统的仿真比较，其中可改变UA-BS信道情况得到不同的结论。 系统中UB-UA间的信道系数为0.5-The program is a simple AF and application of de-noising mapping collaboration comparison and simulation, communication systems, which may change the UA-BS channel conditions ge

webmagic采用完全模块化的设计，功能覆盖整个爬虫的生命周期(链接提取、页面下载、内容抽取、持久化)，支持多线程抓取，分布式抓取，并支持自动重试、自定义UA/cookie等功能。 -The design of webmagic with completely modular, functional coverage throughout the reptile life cycle (link extraction, download page, content extraction, pe