Author(s): Wu Jianhui, Song Huibing, Shi Longxing, Sun Dayou
Pages: 43-46
Year: 2000 Issue:  2
Journal: JOURNAL OF SOUTHEAST UNIVERSITY(NATURAL SCIENCE EDITION)
Keyword:  射频接收; 超外差; 零中频; 单片;
Abstract: 首先介绍了FM-SCA无线寻呼的传统接收结构,重点提出超外差与零中频相结合以单片化实现FM-SCA射频接收的拓朴结构,并给出了数学推导,证明了该拓朴结构能有效地恢复出原始信号.