... 第一次first; for the first time 射频频谱radio spectrum; radio-frequency spectrum 状态变化change of state ...
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Radio Frequency Spectrum 无线电频谱 ; 射频频谱无线电频谱 ; 无线射频频谱
Output Radio Frequency Spectrum 无线电频谱输出
Radio-frequency spectrum preface 无线电频谱
automatic radio-frequency spectrum recording equipment 自动无线电频谱记录设备
The cheapest way to increase capacity is to add more spectrum or to move a network to a lower frequency, which allows radio waves to penetrate walls more easily.
提高带宽容量最便宜的方法是增加更多频谱或是某个网络降低到更低的频率以使无线电波更容易穿透墙壁。
They suggest that any alien civilisation worth its salt would alight not on the photons of the electromagnetic spectrum-whether optical or radio-frequency-to send messages to other solar systems.
他们指出，任何有头脑的外星文明都不会发射电磁波谱中的光子——无论是可见光波段还是射频波段——向另一个太阳系传送信息。
Radio frequency noise jamming can be deleted by the method of average range frequency spectrum and notching in frequency domain.
对于射频噪声，通过平均距离频频法和频域陷波的方法可以去掉；
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