Title:
LASER RADAR AND RANGING METHOD
Document Type and Number:
WIPO Patent Application WO/2022/041137
Kind Code:
A1
Abstract:
A laser radar (100), comprising: a transmitting unit (110) comprising a plurality of lasers (111) and driving circuits (112), the driving circuits (112) being configured to drive the lasers (111) to emit detection laser beams (L1) for detecting a target object, wherein the transmitting unit (110) further comprises a blind area compensation unit which is configured to enable a target object within a short-distance range of the laser radar (100) to receive the detection laser beams (L1), and reflected echoes (L1') can be received by detectors (121); a receiving unit (120) comprising a plurality of detectors (121), the detectors (121) being configured to receive the echoes (L1') of the detection laser beams (L1) reflected by the target object, and convert the echoes into electric signals; and a processing unit (130) coupled to the receiving unit (120) and configured to receive the electric signals to calculate the distance and/or reflectivity of the target object.
Inventors:
ZHU XUEZHOU (CN)
YAN KAIMIN (CN)
LIU HAIHUA (CN)
XIANG SHAOQING (CN)
YAN KAIMIN (CN)
LIU HAIHUA (CN)
XIANG SHAOQING (CN)
Application Number:
PCT/CN2020/112206
Publication Date:
March 03, 2022
Filing Date:
August 28, 2020
Export Citation:
Assignee:
HESAI TECHNOLOGY CO LTD (CN)
International Classes:
G01S17/48; G01S7/484
Foreign References:
| CN111090082A | 2020-05-01 | |||
| CN108267751A | 2018-07-10 | |||
| CN109709575A | 2019-05-03 | |||
| CN2779424Y | 2006-05-10 | |||
| CN109991617A | 2019-07-09 | |||
| DE102016208713A1 | 2017-11-23 |
Other References:
See also references of EP 4206735A4
Attorney, Agent or Firm:
BEIJING LAWSING IP FIRM (CN)
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