... QAM Quadrature Amplitude Modulation正交幅度调制 SFN Single Frequency Network单频网 SISO Single Input Single Output单天线发射单天线接收 ...
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sfn single frequency network
SFN单频网络
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The single frequency network (SFN) is the key technology in very high frequency (VHF) channel transmission of automatic hydrological forecast systems.
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。
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