由于DVB-T系统系利用编码正交分频多任务（Coded Orthogonal Frequency Division Multiplexing，COFDM）之多载波调变技术，对于多重路径（Multi-path）反射效应所衍生出的干扰及衰减问题，能提供有效的...
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?编码正交频分多路
2) 采用编码正交频分多路(COFDM, Coded Orthogonal Frequency Division Multiplexing)通信技术。正交频分多路(OFDM)是一种多载波通信技术，可以解决地 面无线信道中的多径效应。
双语例句
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In DVB satellite transmission system used QPSK, using QAM cable transmission, terrestrial transmission using COFDM (codedorthogonalfrequencydivisionmultiplexing) way.
An apparatus and method having a de-interleaving memory and a controller is used for de-interleaving interleaved data in a codedorthogonalfrequencydivisionmultiplexing receiver.
正交编码分频多工接收器中一种具有一反交错记忆体和一控制器，而用来将已交错资料反交错的装置与方法。
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This letter present a differential space-frequencycodedorthogonalfrequency-divisionmultiplexing (OFDM) scheme over frequency-selective fading channels.