Zeng Zao-Jin, Ma Qiao-Sheng, Hu Lin-Lin, Jiang Yi, Hu Peng, Lei Wen-Qiang, Ma Guo-Wu, Chen Hong-Bin. Theoretical analysis and simulation of W-band sheet beam extended interaction klystron amplifierJ. Acta Physica Sinica, 2019, 68(24): 248401. DOI: 10.7498/aps.68.20190907