Zhaoming Zhang, Bo Zhao, Yang Sun, Wanli Lu, Wenjing Zhao
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The Relationship Between Time Reversal and Multipath
Time reversal (TR), as an effective technique of multipath utilization, has been applied to radar signal processing. However, due to the complex and changeable multipath environment, there is no quantitative analysis of multipath channels and TR echo. In this paper, we construct a typical multipath signal model and further study the time reversal echo on this basis. Subsequently, the relationship between the number of multiple propagation paths and the TR echo is analyzed. The results demonstrate the efficiency of TR technology for multipath utilization and applicable scenarios, which provides a basis for popularizing the application of TR technology.