... 无线电研究 radio research 无线电研究署 Radio Research Board 无线电通信考察船 radio research ship ...
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高效、可靠地检测频谱空洞是认知无线电研究的重要技术。
Efficient and reliable detection of spectrum holes is an important technology for cognitive radio.
频谱感知是认知无线电研究的关键技术之一，能量检测法是典型的频谱感知方法。
Spectrum sensing is one of the key technologies in cognitive radio and energy detection is a typical method of it.
1969年，国际业余卫星组织（AMSAT）成立了，其目的是促进业余无线电爱好者参与并讨论太空研究。
In 1969, the Radio Amateur Satellite Corporation (AMSAT) was created in order to foster ham radio enthusiasts' participation in space research and communication.
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