Liping Yan

Apr 19, 2024 | mdpi.com | Liping Yan |Yu Cai

1. IntroductionIn recent years, as urbanization advances worldwide, the number of urban vehicles is also constantly rising, resulting in a gradual increase in traffic congestion, which has become a significant factor impacting the efficiency of traffic flow. The congestion reduces vehicle traveling speed, causes delays, and leads to increased tailpipe emissions, fuel consumption, adverse health effects on residents, and safety risks, resulting in significant socio-economic losses [1].

Mar 27, 2024 | mdpi.com | Jinfeng Li |Liping Yan |Changjun Liu |He Bai

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Feb 14, 2024 | onlinelibrary.wiley.com | Li Tang |Chengrong Wang |Liping Yan |Richard Gao

REFERENCES 1. Frequency Selective Surfaces: Theory and Design. Wiley; 2000. 2, , , . A novel compact dualband frequency selective surface for GSM shielding by utilizing a 2.5-Dimensional structure. IEEE Trans Electromagn Compat. 2018; 60(6): 2057-2060. 3, , . A novel 2-B multifunctional active frequency selective surface for LTE-2.1 GHz. IEEE Trans Anten Propag. 2017; 65(6): 3084-3092. 4, , .