Evidence of Decreased Heterodyne-Detection Efficiency Caused by Fast Beam Scanning in Wind Sensing Coherent Doppler Lidar, and Demonstration on Recovery of the Efficiency With Lag-Angle Compensation. - Yusuke Ito; Masaharu Imaki; Takeshi Sakimura; Takayuki Yanagisawa; Shumpei Kameyama (IEEE Trans. Geosci. Remote. Sens., 2022)