Guangbao Shan1, Yanwen Zheng2, Huihua Cao3, V.I. Goncharenko4

1-3 School of Microelectronics, Xidian University (Xi’an, China)

4 Moscow Aviation Institute (National Research University) (Moscow, Russia)

1 gbshan@xidian.edu.cn; 4 vladimirgonch@mail.ru