[2] [2] HE Y，WONG Y P，LIANG Q，et al. Double busbar structure for transverse energy leakage and resonance suppression in surface acoustic wave resonators using 42°YX-lithium tantalate thin plate［J］. IEEE Trans Ultrason Ferroelectr Freq Control，2022，69（3）：1112-1119.

[3] [3] HE Yiwen，WU Ting，YANG Ying，et al. Spurious mitigation of layered surface acoustic wave resonators with double-busbar configuration using 42°YX-lithium tantalate thin plate［J］. IEEE Transactions on Microwave Theory and Techniques，2023，71（8）：3493-3500.

[5] [5] ACOSTA L，GUERRERO E，CABALLERO C，et al. Suppression of transverse spurious modes on 30°YX-cut lithium niobate-on-insulator SH0 resonators through electrode rhomboidal apodization［C］//Montreal，QC，Canada：2023 IEEE International Ultrasonics Symposium（IUS），2023：1-4.