US Patent 9797995 Modular LADAR sensor

A mobile ladar platform having a ladar sensor, a positioning system, and a digital processor adapted to perform analysis of a scene in a field of view. The ladar sensor includes a ladar transmitter, a zero range reference circuit, a two-dimensional array of light sensitive detectors positioned at a focal plane of a light collecting and focusing system, and a readout integrated circuit with a plurality of unit cell electrical circuits. The ladar sensor also includes a detector bias circuit and a communications port.