KR102259887B9 - FMCW LiDAR 시스템에서 거리 해상도 향상을 위한 후처리 기법 - Google Patents

FMCW LiDAR 시스템에서 거리 해상도 향상을 위한 후처리 기법

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Publication number
KR102259887B9
KR102259887B9 KR20200120363A KR20200120363A KR102259887B9 KR 102259887 B9 KR102259887 B9 KR 102259887B9 KR 20200120363 A KR20200120363 A KR 20200120363A KR 20200120363 A KR20200120363 A KR 20200120363A KR 102259887 B9 KR102259887 B9 KR 102259887B9
Authority
KR
South Korea
Prior art keywords
fmcw lidar
processing technique
post processing
range resolution
improve range
Prior art date
Application number
KR20200120363A
Other languages
English (en)
Other versions
KR102259887B1 (ko
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to KR1020200120363A priority Critical patent/KR102259887B1/ko
Application granted granted Critical
Publication of KR102259887B1 publication Critical patent/KR102259887B1/ko
Publication of KR102259887B9 publication Critical patent/KR102259887B9/ko

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S17/00Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06Systems determining position data of a target
    • G01S17/08Systems determining position data of a target for measuring distance only
    • G01S17/32Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S17/00Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S17/00Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06Systems determining position data of a target
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28Details of pulse systems
    • G01S7/2813Means providing a modification of the radiation pattern for cancelling noise, clutter or interfering signals, e.g. side lobe suppression, side lobe blanking, null-steering arrays
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28Details of pulse systems
    • G01S7/285Receivers
    • G01S7/288Coherent receivers
    • G01S7/2883Coherent receivers using FFT processing

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
KR1020200120363A 2020-09-18 2020-09-18 FMCW LiDAR 시스템에서 거리 해상도 향상을 위한 후처리 기법 KR102259887B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020200120363A KR102259887B1 (ko) 2020-09-18 2020-09-18 FMCW LiDAR 시스템에서 거리 해상도 향상을 위한 후처리 기법

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020200120363A KR102259887B1 (ko) 2020-09-18 2020-09-18 FMCW LiDAR 시스템에서 거리 해상도 향상을 위한 후처리 기법

Publications (2)

Publication Number Publication Date
KR102259887B1 KR102259887B1 (ko) 2021-06-02
KR102259887B9 true KR102259887B9 (ko) 2021-09-17

Family

ID=76372770

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020200120363A KR102259887B1 (ko) 2020-09-18 2020-09-18 FMCW LiDAR 시스템에서 거리 해상도 향상을 위한 후처리 기법

Country Status (1)

Country Link
KR (1) KR102259887B1 (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117607884B (zh) * 2024-01-24 2024-04-02 中国科学院长春光学精密机械与物理研究所 基于互相关算法的激光雷达***的测距方法及测距***

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101092567B1 (ko) * 2010-09-16 2011-12-13 재단법인대구경북과학기술원 Fmcw 레이더 및 이를 이용한 이동물체의 거리속도 검출방법
KR101896726B1 (ko) * 2013-12-02 2018-09-07 주식회사 만도 Cw 레이더 센싱 신호 및 fmcw 레이더 센싱 신호 기반의 주변 환경 감지 방법 및 장치
KR102192761B1 (ko) * 2014-02-19 2020-12-18 주식회사 만도 타겟 탐지 방법 및 장치
JP2017161484A (ja) * 2016-03-11 2017-09-14 国立大学法人金沢大学 測距装置、及び測距方法
KR101848729B1 (ko) * 2016-04-25 2018-04-13 서울대학교산학협력단 다중 대역폭을 갖는 fmcw 레이더 및 그 제어 방법
WO2019060901A1 (en) * 2017-09-25 2019-03-28 Bridger Photonics, Inc. SCANNING SYSTEMS AND TECHNIQUES AND EXAMPLES OF USE IN FMCW LIDAR PROCESSES AND APPARATUSES

Also Published As

Publication number Publication date
KR102259887B1 (ko) 2021-06-02

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