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Pat. 11418176 United States, Int. Cl.22 H03K 3/84, H02M 7/5387. Multi-frequency uniformization carrier wave slope random distribution pulse width modulation method : Appl. N 17/313038 : Filed 06.05.2021 : Pub. 16.08.2022 : / Jie Xu, Ziling Nie, Junjie Zhu, Tinghao Wu, Weiwei Ye, Yi Han, Xingfa Sun, Wenkai Xu, Jingxin Yuan ; Assignee Naval University of Engineering Pla ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11418176/en?oq=US11418176.html (дата обращения: ДД.ММ.ГГГГ).