单边带广播几种可能的方案

来源 :广播与电视技术 | 被引量 : 0次 | 上传用户:xukaiboy123
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许多年来,各广播电台已考虑采用射频载波单边带(SSB)调制。在无线电广播中应用单边带的理由是很明显的,因为全世界广播业务的发展大大地增加了所占用的频谱,而可用频率的范围则仍然是有限的。从一开始就知道,单边带广播最节省频谱,它所需要 For many years, radio stations have considered the use of radio frequency carrier single sideband (SSB) modulation. The rationale for the application of single sidebands in radio broadcasting is obvious since the development of broadcasting services throughout the world has greatly increased the frequency spectrum occupied and the range of available frequencies is still limited. From the very beginning, it was learned that single-band broadcasting most saves the spectrum it needs
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