公开(公告)号：US20200057161A1

公开(公告)日：2020-02-20

申请号：US15999207

申请日：2018-08-17

Applicant: BAE SYSTEMS Information and Electronic Systems Integration Inc.

Inventor： Michael J. Choiniere ,  Dimitre P. Dimitrov ,  Jason T. Whitwam

IPC: G01S17/93 ,  G01S7/481 ,  G01S7/497 ,  G06K9/00

Abstract: An obstacle sensing lidar system includes: a laser source to emit laser radiation in a horizontal fan-beam pattern of at least 60° at an angle of elevation in front of a moving platform; a sensing device having an array including a row of 100 or more near-infrared (NIR) sensors to sense corresponding reflections of the emitted laser radiation off obstacles in front of the moving platform, each NIR sensor being a pixel in the array; and elevation circuitry to adjust the angle of elevation of the emitted laser radiation to a first angle of elevation, a second angle of elevation greater than the first angle of elevation, and a third angle of elevation greater than the second angle of elevation. Sometimes, the first angle of elevation corresponds to the surface level, the second elevation angle corresponds to the platform level, and the third elevation angle corresponds to the horizon level.

公开(公告)号：US10539395B2

公开(公告)日：2020-01-21

申请号：US15911561

申请日：2018-03-05

Applicant: BAE SYSTEMS Information and Electronic Systems Integration Inc.

Inventor： Dimitre P. Dimitrov ,  Michael J. Choiniere ,  Jason T. Whitwam

IPC: F41G7/22 ,  F41G7/00 ,  G01S3/78

Abstract: A system and method for improved detection of lasers for use in laser guidance systems. By providing background illumination via one or more radiation sources the accuracy of the laser detection system can be improved. A closed loop system detects the background current on the detector and provides additional illumination when the back ground level is below a threshold current value thus providing for a faster detector response.