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DigitalRadioMondiale

于 2020-08-23 发布文件大小:127KB

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DRM(Digital Radio Mondiale)系统采用OFDM调制方式，引入了先进的信源信道编码和调制技术，使得AM波段的音频广播质量大大提高，在保持现有10kHz带宽时接近了FM广播的质量[5](DRM (Digital Radio Mondiale) system uses OFDM modulation, the introduction of advanced source-channel coding and modulation techniques, making AM-band audio broadcast quality greatly improved, while maintaining the existing 10kHz bandwidth close to the quality of FM broadcasting [5])

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DRM广播系统及接收机技术.doc

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indirect-addressing-method-
详细介绍了西门子PLC的间接寻址方法，对于应用西门子PLC很有用处。(Detailed the the Siemens PLC indirect addressing method is useful for the application of the Siemens PLC.)

2013-02-01 11:42:13下载

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2010-01-03 18:14:33下载

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2009-07-23 08:11:09下载

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2020-12-03 17:09:25下载

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2018-07-25 13:33:27下载

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§3移动信道中的传播与分集接收
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2020-06-17 21:40:02下载

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ch03
杨建国老师的通讯原理课件，第三章模拟信号的调制与解调，主要讲述信号产生与调制，射频特性，解调，MSK、GMSK、PSK、QPSK、BPSK、QAM等原理(Yang Jianguo teacher communication principles of courseware, the third chapter of the analog signal modulation and demodulation, and focuses on the signal generation and modulation, the RF characteristics, demodulation, MSK, GMSK, PSK, QPSK, as BPSK, QAM and other principles of)

2012-06-12 10:45:39下载

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2016-12-06 14:48:48下载

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DigitalRadioMondiale

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