...短波调制解调器 [gap=4303](PSAM)； orthogonal frequency division multiplexing (OFDM)； channel estimation； high-frequency modem；...
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Based on analyzing the theory of OFDM (Orthogonal Frequency Division Multiplexing) and characteristic of cable transmission, the Modem of high speed cable telemetry system has been designed.
通过对OFDM(正交频分复用)技术原理及测井电缆传输特性的分析，设计出满足测井电缆所需的调制解调器。
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