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1. WO2020092068 - SEPARATION OF LIDAR CHANNELS FROM A COMMON SIGNAL

Publication Number WO/2020/092068
Publication Date 07.05.2020
International Application No. PCT/US2019/057500
International Filing Date 22.10.2019
IPC
G01S 7/48 2006.01
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
7Details of systems according to groups G01S13/, G01S15/, G01S17/127
48of systems according to group G01S17/58
G01S 17/02 2020.01
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
17Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
02Systems using the reflection of electromagnetic waves other than radio waves
G01S 17/88 2006.01
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
17Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
88Lidar systems, specially adapted for specific applications
CPC
G01S 17/003
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
17Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
003Bistatic lidar systems; Multistatic lidar systems
G01S 17/34
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
17Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
02Systems using the reflection of electromagnetic waves other than radio waves
06Systems determining position data of a target
08for measuring distance only
32using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves
34using transmission of continuous frequency-modulated waves and the received signal, or a signal derived therefrom, being heterodyned with a locally-generated signal related to the contemporaneous transmitted signal to give a beat-frequency signal
G01S 7/481
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
7Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
48of systems according to group G01S17/00
481Constructional features, e.g. arrangements of optical elements
Applicants
  • SILC TECHNOLOGIES, INC. [US]/[US]
Inventors
  • BOLOORIAN, Majid
  • FENG, Dazeng
  • LUFF, Bradley Jonathan
  • ASGHARI, Mehdi
Agents
  • DODD, Travis L.
Priority Data
62/754,34501.11.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) SEPARATION OF LIDAR CHANNELS FROM A COMMON SIGNAL
(FR) SÉPARATION DE CANAUX LIDAR D'UN SIGNAL COMMUN
Abstract
(EN)
A LIDAR system includes a reference light source configured to generate an outgoing light signal that includes multiple reference channels that each has a different frequency. The system also includes a comparative light source configured to generate an outgoing light signal that includes multiple comparative channels. Each of the comparative channels has a different frequency. The comparative channels are each associated with one of the reference channels in that LIDAR data is generated for a sample region on a field of view using a comparative channel and the associated reference channel. The comparative channel and the associated reference channel have different frequencies.
(FR)
L'invention concerne un système LIDAR comprenant une source de lumière de référence conçue pour générer un signal lumineux sortant comprenant de multiples canaux de référence présentant chacun une fréquence différente. Le système comprend également une source de lumière comparative conçue pour générer un signal lumineux sortant comprenant de multiples canaux comparatifs. Chacun des canaux comparatifs présente une fréquence différente. Les canaux comparatifs sont chacun associés à l'un des canaux de référence, des données LIDAR étant générées pour une région d'échantillon sur un champ de vision à l'aide d'un canal comparatif et du canal de référence associé. Le canal comparatif et le canal de référence associé présentent des fréquences différentes.
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