常见例句双语例句The article introduced the design method of the baseband which is made up of COFDM channel coder and COFDM modulator of DAB transmitter.介绍DAB发射机系统的基带部分即COFDM信道编码和COFDM调制的设计方法，对相关过程做了阐述。 返回 dab transmitter