“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	self-sustaining fission chain reaction self sustaining fission reactor self-sustaining fission reactor self sustaining fusion reactor self-sustaining fusion reactor self-symmetry self synchronous self-synchronous cipher self-synchronous stream cipher self-tangency self-tapping screw connecting self termination self-thinning self-timed logic self transparent self-transversality theorem self-trapping self-tuina self-tuning self-tuning control self-tuning controller self-tuning database system self-tuning linear quadratic Gaussian regulator self-tuning proportional-integral-derivative regulator self tuning regulator

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。