柯俊臣，梁竟程，程强
（东南大学，中国 南京 210096）
摘要：通过对智能超表面（RIS）基本概念、方法和应用的介绍，展现了其采用数字编码方式调控电磁波各种物理特性的独特能力。深入讨论了RIS在时空域调控中的关键技术以及这些技术所衍生的示范性应用，包括成像、感知、通信与雷达等多个领域。充分展示了RIS在相关行业内的应用前景。
关键词：RIS；波束赋形；非线性谐波调控；全息成像；无线通信
Design and Application of Reconfigurable Intelligent Surface
KE Junchen, LIANG Jingcheng, CHENG Qiang
(Southeast University, Nanjing 210096, China)
Abstract: Through the introduction of the basic concepts, methods, and applications of the reconfigurable intelligent surface (RIS), the unique ability of RIS to regulate various physical characteristics of electromagnetic waves is shown. The key technologies of RIS in space-time manipulation are discussed in detail, as well as some iconic applications derived from these technologies in the field of imaging, perception, communication, radar, etc., which fully demonstrates the application prospect of reconfigurable intelligent surface in related industries.
Keywords: RIS; beamforming; nonlinear harmonic manipulation; holography; wireless communication
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