SFR:短波无线电
“Short Frequency Radio”在书写和使用中常被缩写为SFR,以便提高效率和节省时间。该术语多见于综合性领域,尤其在不便明确分类的各类场景中广泛使用。其中文含义为“短波无线电”,指的是利用高频无线电波进行中远距离通信的技术类型,在通信科技和广播传输中具有重要价值。
Short Frequency Radio具体释义
Short Frequency Radio的英文发音
例句
- Basing on development trend of short wave frequency hopping radio, this paper analyses some key techniques about the new type short wave digital frequency hopping radio.
- 本文根据短波跳频电台的发展趋势,重点分析了研制新型短波数字跳频电台所涉及的若干关键技术问题。
- Development Trend of Short Wave Frequency hopping Radio
- 短波跳频电台的发展趋势
- As respects seismic short wave communication network in Liaoning, propagation characteristics and frequency selection of electromagnetic wave in radio communication have never been made a research in theory.
- 辽宁区域地震短波通信网对电磁波在无线通信中的传播特性及频率选择等问题,没有进行深入的理论研究和探讨。
- Taking the short pulse as an ideal delta function on time scale, we find that the radiation field pattern is just of the " pure " waveguide modes if the resonance frequency equals as integral times as radio frequency.
- 将短脉冲理想化为时间上的δ函数,可以发现当辐射频率正好等于用来调制电子束的射频的整数倍时,辐射模式表现为纯的波导本征模,此时辐射功率最强。
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