Abstract

The resolution of the pulsed lidars is usually accepted to be equal to the pulse duration. In this work an inverse algorithm to improve the lidar resolution is analysed, when the sampling intervals of A/D converters are shorter than the laser pulse. The theorethical analysis, supported by computer simulations show the retrieving of the lidar profile by increased resolution. The effect of additional noises on the algorithm performance is given. The method may be used to increase the resolution of the lidar return in lidars of long emitted pulses. Similar problems have been investigated in [1,2] by introducing a correction function for the lidar equation.

© 1991 Optical Society of America