high frequency carrier telegraphy 高频载波电报 high frequency channel 高频信道 high frequency choke 高频扼流圈 ..
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单频组网是水情自动测报系统中采用特高频信道传输的关键技术。
The single frequency network (SFN) is the key technology in very high frequency (VHF) channel transmission of automatic hydrological forecast systems.
高频信道的变参性以及时间弥散特性严重影响短波数据传输的性能。
The performance of HF data transmission systems is badly constrained by the HF channels what are characterized by the rapid time variation and dispersion.
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