The frequency prediction of skywave propagation in shortwave band is the precondition of performance prediction of skywave communication circuit.
短波天波传播频率预测是短波天波通信电路性能预测的前提。
Follow these simple plans to build a multiband shortwave antenna and be on your way to world band radio excitement!
按照这些简单的计划，以建立一个多波段短波天线，并在您的方式为世界的波段收音机兴奋！
For more efficient use of shortwave broadcasting band and improvement of broadcasting quality, single sideband broadcasting has been placed on the agenda.
为更有效地利用短波广播频段，改善其广播质量，单边带制广播提到了议事日程。
This article presents a novel self-synchronizing audio watermark algorithm for shortwave narrow band channel.
提出了一种适应于短波窄带信道的自同步音频水印算法。
This article presents a novel self-synchronizing audio watermark algorithm for shortwave narrow band channel.
提出了一种适应于短波窄带信道的自同步音频水印算法。
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