“认知无线电”的概念、定义、翻译、参考文献-科学参考

单词	认知无线电
释义	认知无线电 Encyclopedia 工学【通信新技术】释 cognitive radio，CR认知无线电利用频谱间的空隙，即频谱空洞，进行动态频谱接入与传输，以达到在拥挤频谱空间进行信息传输，提高频谱空间利用率的无线电技术。
随便看	Casimir pressure casing casing centralizer casing connection head casing drilling casing drilling special bit casing firing casing for stress release casing head casing milling casing of centrifugal compressor casing oil spillage of oil and water wells casing paper wet lay nonwoven casing plastic tools casing power tong casing pressure measurement casing pressure test casing program casing section milling casing swage casing test casing tongs casing treatment casing-tubing annulus casing unfreezing

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。