Distance measuring method and laser radar
The invention discloses a distance measuring method and a laser radar, and belongs to the technical field of laser detection. The method comprises the following steps: controlling a laser radar to emit first laser at first light emitting power, and detecting a first echo obtained by reflecting the f...
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| creator | WANG LIPENG TU CHUAN LI HONGPENG ZHENG RUITONG SHI FEIFEI LIU XIAO |
| description | The invention discloses a distance measuring method and a laser radar, and belongs to the technical field of laser detection. The method comprises the following steps: controlling a laser radar to emit first laser at first light emitting power, and detecting a first echo obtained by reflecting the first laser by a target object according to first detection sensitivity; the laser radar is controlled to emit a second laser at a second light emitting power, a second echo obtained by reflecting the second laser by the target object is detected according to a second detection sensitivity, the first light emitting power is different from the second light emitting power, and/or the first detection sensitivity is different from the second detection sensitivity; and determining the distance to the target object based on the first echo and the second echo. By using different light emitting powers and/or detection sensitivities in the distance measurement process, the first echo and the second echo correspond to differe |
| format | Patent |
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The method comprises the following steps: controlling a laser radar to emit first laser at first light emitting power, and detecting a first echo obtained by reflecting the first laser by a target object according to first detection sensitivity; the laser radar is controlled to emit a second laser at a second light emitting power, a second echo obtained by reflecting the second laser by the target object is detected according to a second detection sensitivity, the first light emitting power is different from the second light emitting power, and/or the first detection sensitivity is different from the second detection sensitivity; and determining the distance to the target object based on the first echo and the second echo. 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By using different light emitting powers and/or detection sensitivities in the distance measurement process, the first echo and the second echo correspond to differe</description><subject>ANALOGOUS ARRANGEMENTS USING OTHER WAVES</subject><subject>DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES</subject><subject>LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES</subject><subject>MEASURING</subject><subject>PHYSICS</subject><subject>RADIO DIRECTION-FINDING</subject><subject>RADIO NAVIGATION</subject><subject>TESTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2022</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNB0ySwuScxLTlXITU0sLi3KzEsHskoy8lMUEvNSFHISi1OLFIoSUxKLeBhY0xJzilN5oTQ3g6Kba4izh25qQX58anFBYnJqXmpJvLOfoaGpoaGxkaGlozExagDu5ihr</recordid><startdate>20220927</startdate><enddate>20220927</enddate><creator>WANG LIPENG</creator><creator>TU CHUAN</creator><creator>LI HONGPENG</creator><creator>ZHENG RUITONG</creator><creator>SHI FEIFEI</creator><creator>LIU XIAO</creator><scope>EVB</scope></search><sort><creationdate>20220927</creationdate><title>Distance measuring method and laser radar</title><author>WANG LIPENG ; TU CHUAN ; LI HONGPENG ; ZHENG RUITONG ; SHI FEIFEI ; LIU XIAO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN115113219A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2022</creationdate><topic>ANALOGOUS ARRANGEMENTS USING OTHER WAVES</topic><topic>DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES</topic><topic>LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES</topic><topic>MEASURING</topic><topic>PHYSICS</topic><topic>RADIO DIRECTION-FINDING</topic><topic>RADIO NAVIGATION</topic><topic>TESTING</topic><toplevel>online_resources</toplevel><creatorcontrib>WANG LIPENG</creatorcontrib><creatorcontrib>TU CHUAN</creatorcontrib><creatorcontrib>LI HONGPENG</creatorcontrib><creatorcontrib>ZHENG RUITONG</creatorcontrib><creatorcontrib>SHI FEIFEI</creatorcontrib><creatorcontrib>LIU XIAO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>WANG LIPENG</au><au>TU CHUAN</au><au>LI HONGPENG</au><au>ZHENG RUITONG</au><au>SHI FEIFEI</au><au>LIU XIAO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Distance measuring method and laser radar</title><date>2022-09-27</date><risdate>2022</risdate><abstract>The invention discloses a distance measuring method and a laser radar, and belongs to the technical field of laser detection. The method comprises the following steps: controlling a laser radar to emit first laser at first light emitting power, and detecting a first echo obtained by reflecting the first laser by a target object according to first detection sensitivity; the laser radar is controlled to emit a second laser at a second light emitting power, a second echo obtained by reflecting the second laser by the target object is detected according to a second detection sensitivity, the first light emitting power is different from the second light emitting power, and/or the first detection sensitivity is different from the second detection sensitivity; and determining the distance to the target object based on the first echo and the second echo. By using different light emitting powers and/or detection sensitivities in the distance measurement process, the first echo and the second echo correspond to differe</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING |
| title | Distance measuring method and laser radar |
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