CN101655563B - 一种高精度、低功耗激光测距的方法及其装置 - Google Patents
一种高精度、低功耗激光测距的方法及其装置 Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/483—Details of pulse systems
- G01S7/486—Receivers
- G01S7/489—Gain of receiver varied automatically during pulse-recurrence period
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO 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
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
- G01S17/10—Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves
- G01S17/14—Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves wherein a voltage or current pulse is initiated and terminated in accordance with the pulse transmission and echo reception respectively, e.g. using counters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/483—Details of pulse systems
- G01S7/486—Receivers
- G01S7/487—Extracting wanted echo signals, e.g. pulse detection
- G01S7/4873—Extracting wanted echo signals, e.g. pulse detection by deriving and controlling a threshold value
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
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- Optical Radar Systems And Details Thereof (AREA)
Abstract
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Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN2009101381550A CN101655563B (zh) | 2008-08-21 | 2009-04-29 | 一种高精度、低功耗激光测距的方法及其装置 |
US12/538,122 US8081300B2 (en) | 2008-08-21 | 2009-08-08 | Apparatus and method for laser ranging |
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CN200820163236.7 | 2008-08-21 | ||
CNU2008201632367U CN201247319Y (zh) | 2008-08-21 | 2008-08-21 | 低功耗激光测距仪 |
CN2009101381550A CN101655563B (zh) | 2008-08-21 | 2009-04-29 | 一种高精度、低功耗激光测距的方法及其装置 |
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CN101655563A CN101655563A (zh) | 2010-02-24 |
CN101655563B true CN101655563B (zh) | 2012-07-04 |
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CN (1) | CN101655563B (zh) |
Families Citing this family (64)
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US20140211194A1 (en) * | 2013-01-27 | 2014-07-31 | Quanergy Systems, Inc. | Cost-effective lidar sensor for multi-signal detection, weak signal detection and signal disambiguation and method of using same |
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US10132928B2 (en) | 2013-05-09 | 2018-11-20 | Quanergy Systems, Inc. | Solid state optical phased array lidar and method of using same |
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US10126412B2 (en) | 2013-08-19 | 2018-11-13 | Quanergy Systems, Inc. | Optical phased array lidar system and method of using same |
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EP2955543A1 (de) * | 2014-06-11 | 2015-12-16 | VITRONIC Dr.-Ing. Stein Bildverarbeitungssysteme GmbH | Prüfvorrichtung, Prüfanordnung und Verfahren zum Testen eines optischen Abstands- und Geschwindigkeitsmessers |
US9753351B2 (en) | 2014-06-30 | 2017-09-05 | Quanergy Systems, Inc. | Planar beam forming and steering optical phased array chip and method of using same |
US9869753B2 (en) | 2014-08-15 | 2018-01-16 | Quanergy Systems, Inc. | Three-dimensional-mapping two-dimensional-scanning lidar based on one-dimensional-steering optical phased arrays and method of using same |
US10036803B2 (en) | 2014-10-20 | 2018-07-31 | Quanergy Systems, Inc. | Three-dimensional lidar sensor based on two-dimensional scanning of one-dimensional optical emitter and method of using same |
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WO2017054863A1 (en) | 2015-09-30 | 2017-04-06 | Trimble Ab | Geodetic instrument with improved dynamic range |
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FR3048316B1 (fr) * | 2016-02-29 | 2019-06-28 | Sagem Defense Securite | Dispositif de detection d'un spot laser |
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US20100045964A1 (en) | 2010-02-25 |
CN101655563A (zh) | 2010-02-24 |
US8081300B2 (en) | 2011-12-20 |
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