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1. WO2022002962 - COMPUTER UNIT FOR A LIDAR DEVICE, AND LIDAR DEVICE

Publication Number WO/2022/002962
Publication Date 06.01.2022
International Application No. PCT/EP2021/067887
International Filing Date 29.06.2021
IPC
G01S 7/481 2006.1
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
481Constructional features, e.g. arrangements of optical elements
G01S 7/484 2006.1
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
483Details of pulse systems
484Transmitters
G01S 7/487 2006.1
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
483Details of pulse systems
486Receivers
487Extracting wanted echo signals
G01S 17/931 2020.1
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
93for anti-collision purposes
931of land vehicles
G01S 17/89 2020.1
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
89for mapping or imaging
CPC
G01S 17/89
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
89for mapping or imaging
G01S 17/931
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
93for anti-collision purposes
931of land vehicles
G01S 7/4802
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
4802using analysis of echo signal for target characterisation; Target signature; Target cross-section
G01S 7/4876
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
483Details of pulse systems
486Receivers
487Extracting wanted echo signals ; , e.g. pulse detection
4876by removing unwanted signals
Applicants
  • ROBERT BOSCH GMBH [DE]/[DE]
Inventors
  • GOEDEL, Karl Christoph
  • GILBERGS, Holger Maris
  • RICHTER, Johannes
  • FINK, Axel
  • MAUCH, Florian
  • HAAG, Norman
Priority Data
10 2020 208 093.330.06.2020DE
Publication Language German (de)
Filing Language German (DE)
Designated States
Title
(DE) RECHNEREINHEIT FÜR EINE LIDAR-VORRICHTUNG UND LIDAR-VORRICHTUNG
(EN) COMPUTER UNIT FOR A LIDAR DEVICE, AND LIDAR DEVICE
(FR) UNITÉ INFORMATIQUE POUR UN DISPOSITIF LIDAR ET DISPOSITIF LIDAR
Abstract
(DE) Es wird eine Rechnereinheit für eine LiDAR-Vorrichtung, die eine Laserquelle aufweist, die dazu eingerichtet ist, ein Lasersignal in einen Sendepfad zu emittieren, und einen LiDAR-Sensor, der in einem Empfangspfad angeordnet ist, und der dazu eingerichtet ist, ein in den Empfangspfad reflektiertes Lasersignal zu detektieren, und wobei die Rechnereinheit dazu eingerichtet ist, eine Vielzahl von Lasersignaldatenpunkten (4) des reflektierten Lasersignals zu verarbeiten, angegeben. Dabei ist die Rechnereinheit dazu eingerichtet, Überstrahlungseffekte aus den Lasersignaldatenpunkten (4) des reflektierten Lasersignals herauszufiltern.
(EN) The invention relates to a computer unit for a LiDAR device, comprising a laser source designed to emit a laser signal into a transmission path, and a LiDAR sensor which is arranged in a reception path and designed to detect a laser signal reflected into the reception path, and wherein the computer unit is configured to process a plurality of laser signal data points (4) of the reflected laser signal. The computer unit is designed to filter out over-irradiation effects from the laser signal data points (4) of the reflected laser signal.
(FR) L'invention concerne une unité informatique pour un dispositif LiDAR, comprenant une source laser conçue pour émettre un signal laser dans un trajet d'émission, et un capteur LiDAR qui est agencé dans un trajet de réception et conçu pour détecter un signal laser réfléchi dans le trajet de réception, et l'unité informatique étant configurée pour traiter une pluralité de points de données de signal laser (4) du signal laser réfléchi. L'unité informatique est conçue pour filtrer des effets de rayonnement en excès à partir des points de données de signal laser (4) du signal laser réfléchi.
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