为了使认知网络成为现实，研究人员必须开发新方法、算法和智能控制路由器，从而将认知方法扩展到全网络管理中。

For a cognitive network to become a reality, researchers must develop new methods, metrics and intelligent-agent controlled routers to extend cognitive approaches to full network management.

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作为一个软件开发者，你一定会对网络应用如何工作有一个完整的层次化的认知，同样这里也包括这些应用所用到的技术：像浏览器，HTTP, HTML，网络服务器，需求处理等等。

As a software developer, you certainly have a high-level picture of how web apps work and what kinds of technologies are involved: the browser, HTTP, HTML, web server, request handlers, and so on.

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分析了认知无线电网络中使用能量检测器进行频谱检测的性能。

We analyzed the performance of spectrum sensing with energy detector in cognitive radio network.

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