In order to improve the resolution of seismic acquisition, a new seismic acquisition system based on tangential laser Do......

The line of sight (LOS) wind velocity can be determined from the incoherent Doppler lidar backscattering signals. Noise ......

报道激光多普勒超低速测量系统及实验结果，其光学系统为四光路双焦点外差多普勒测速系统，信号处理系统为动态模拟相位计，可测速度范围......