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涡旋电磁波的OAM复用是一种把量子力学中的轨道角动量理论应用到无线通信领域的新型技术,拥有高效频谱利用和抗干扰两项引人注目的特性。介绍了国内外研究现状,对涡旋电磁波的产生与接收、OAM复用对通信容量的影响、OAM模式的复用和解复用、大气的非均匀性和电离层对涡旋电磁波的影响、涡旋电磁波抗干扰能力等研究热点进行了概括。指出了研究、分析OAM复用和抗干扰性能以及探索有效的OAM通信方法的重要意义。
OAM multiplexing of vortex electromagnetic waves is a new technique that applies orbital angular momentum theory in quantum mechanics to the field of wireless communications. It has two compelling features: efficient spectrum utilization and anti-interference. This paper introduces the research status at home and abroad, the influence of vortex electromagnetic wave generation and reception, OAM multiplexing on communication capacity, OAM multiplexing and demultiplexing, atmospheric nonuniformity and ionospheric influence on vortex electromagnetic wave, Spin-on anti-jamming ability and other research hot spots were summarized. It points out the importance of researching and analyzing OAM multiplexing and anti-jamming performance and exploring effective OAM communication methods.