自2011年成立数字广播工作组发展至今,中国数字化广播(China Digital Radio,CDR)相关行业标准与技术标准逐渐完善,并在广播数字化覆盖工程中有广泛的应用。基于此,以数字音频广播CDR技术在广播电视工程中的应用为重点,分析数字音频广播...自2011年成立数字广播工作组发展至今,中国数字化广播(China Digital Radio,CDR)相关行业标准与技术标准逐渐完善,并在广播数字化覆盖工程中有广泛的应用。基于此,以数字音频广播CDR技术在广播电视工程中的应用为重点,分析数字音频广播技术的发展历程,全面介绍数字音频广播CDR技术,探讨CDR技术在广播电视工程中的具体应用,为推动我国广播电视工程的发展提供可参考的建议。展开更多
Deep space communications has played an important role in deep space exploration. Compared with common satellite and terrestrial communications, deep space communications faces more challenging environment. The paper ...Deep space communications has played an important role in deep space exploration. Compared with common satellite and terrestrial communications, deep space communications faces more challenging environment. The paper investigated the unique features of deep space communica-tions in detail, discussed the key technologies and its development trends for deep space communica-tions.展开更多
文摘自2011年成立数字广播工作组发展至今,中国数字化广播(China Digital Radio,CDR)相关行业标准与技术标准逐渐完善,并在广播数字化覆盖工程中有广泛的应用。基于此,以数字音频广播CDR技术在广播电视工程中的应用为重点,分析数字音频广播技术的发展历程,全面介绍数字音频广播CDR技术,探讨CDR技术在广播电视工程中的具体应用,为推动我国广播电视工程的发展提供可参考的建议。
基金Supported by the National Natural Science Foundation of China (No. 60972061,60972062,and 61032004)the National High Technology Research and Development Program of China ("863" Program) (No. 2008AA12A204)
文摘Deep space communications has played an important role in deep space exploration. Compared with common satellite and terrestrial communications, deep space communications faces more challenging environment. The paper investigated the unique features of deep space communica-tions in detail, discussed the key technologies and its development trends for deep space communica-tions.