Research and Simulation of Negative Group Delay and Superluminal Propagation

International Journal of Advanced Network, Monitoring, and Controls

article

Yueyao Wang¹  Zhongsheng Wang¹  Xinzhuo Li²  Han Shen¹ 

[1] School of Computer Science and Engineering Xi’an Technological University Xi’an;School of electronic information Engineering Xi’an Technological University Xi’an

关键词: Superluminal Phenomenon;    Phase Velocity;    Group Velocity;    Signal Transmission;    Simulation Study;   

DOI  :  10.2478/ijanmc-2023-0050

学科分类：社会科学、人文和艺术（综合）

来源: Asociación Regional De Diálisis Y Trasplantes Renales

【 摘 要 】

In recent years, negative group delay circuits have attracted much attention due to their propagation characteristics and wide application prospects. In the history of human exploration, the exploration of the speed of light has never stopped. The theory of relativity points out that the speed of light in vacuum is the limit speed of signal propagation. However, it is found through research that phase velocity and group velocity appear faster than the speed of light, which does not violate the causal relationship. This paper first introduces the related concepts of negative group delay and superluminal phenomenon, the second focuses on the principle of negative group delay and superluminal phenomenon in-depth analysis and research, finally using the principle of Multisim software, the bandwidth of two different job, different structure of circuit design, the virtual simulation experiment to negative group delay phenomenon and measurement data. It is of great significance to explore the field of faster-than-light and negative group delay in today's rapidly developing information age, and it can try to meet the high requirements for signal transmission. In the future, the interdisciplinary research direction of this research topic also has great development space.

【 授权许可】

CC BY-NC-ND