CN106772414B - 一种提高tof相位法测距雷达测距精度的方法 - Google Patents
一种提高tof相位法测距雷达测距精度的方法 Download PDFInfo
- Publication number
- CN106772414B CN106772414B CN201710006538.7A CN201710006538A CN106772414B CN 106772414 B CN106772414 B CN 106772414B CN 201710006538 A CN201710006538 A CN 201710006538A CN 106772414 B CN106772414 B CN 106772414B
- Authority
- CN
- China
- Prior art keywords
- distance
- modulated signal
- signal light
- modulating frequency
- radar
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Classifications
-
- 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
- G01S17/32—Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
- G01S17/36—Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated with phase comparison between the received signal and the contemporaneously transmitted signal
Abstract
Description
Claims (9)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2016108963213 | 2016-10-14 | ||
CN201610896321 | 2016-10-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106772414A CN106772414A (zh) | 2017-05-31 |
CN106772414B true CN106772414B (zh) | 2019-08-16 |
Family
ID=58949556
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710006538.7A Active CN106772414B (zh) | 2016-10-14 | 2017-01-05 | 一种提高tof相位法测距雷达测距精度的方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106772414B (zh) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107388990B (zh) * | 2017-07-19 | 2019-07-23 | 天津科技大学 | 基于多面旋转棱镜的激光光栅条纹投射系统 |
CN109425865B (zh) * | 2017-08-22 | 2020-09-08 | 深圳市道通智能航空技术有限公司 | 一种无人机测距方法、装置及无人机 |
CN107331094A (zh) * | 2017-08-22 | 2017-11-07 | 国网山东省电力公司菏泽供电公司 | 一种输电线路防外力破坏预警系统 |
CN108333590A (zh) * | 2017-12-05 | 2018-07-27 | 欣旺达电子股份有限公司 | 超声波变频测距的方法、装置、设备及存储介质 |
CN108490445B (zh) * | 2018-03-06 | 2022-08-02 | 重庆理工大学 | 一种基于脉冲宽度检测的红外测距方法及装置 |
CN108519604B (zh) * | 2018-03-08 | 2021-08-10 | 北京理工大学 | 一种基于伪随机码调制解调的固态面阵激光雷达测距方法 |
CN108594254B (zh) * | 2018-03-08 | 2021-07-09 | 北京理工大学 | 一种提高tof激光成像雷达测距精度的方法 |
CN110261862B (zh) * | 2018-03-12 | 2021-06-11 | 深圳越登智能技术有限公司 | 一种三维激光雷达测距方法、装置及终端设备 |
CN112702541B (zh) * | 2018-08-22 | 2023-04-18 | Oppo广东移动通信有限公司 | 控制方法及装置、深度相机、电子装置及可读存储介质 |
CN109031333B (zh) * | 2018-08-22 | 2020-08-21 | Oppo广东移动通信有限公司 | 距离测量方法和装置、存储介质、电子设备 |
CN109116332A (zh) * | 2018-09-05 | 2019-01-01 | Oppo广东移动通信有限公司 | 阵列光源、tof测距方法、摄像头模组及电子设备 |
CN109324633B (zh) * | 2018-09-27 | 2021-07-02 | Oppo广东移动通信有限公司 | 控制方法与装置、飞行时间设备、终端及计算机可读存储介质 |
CN109613517B (zh) * | 2018-12-12 | 2021-01-15 | 北醒(北京)光子科技有限公司 | 一种TOF Lidar多机抗干扰工作方法 |
CN109541622B (zh) * | 2018-12-26 | 2020-10-16 | 豪威科技(武汉)有限公司 | Tof测距幅值的计算方法及tof测距系统 |
CN109597091B (zh) * | 2018-12-28 | 2022-11-11 | 豪威科技(武汉)有限公司 | Tof测距的相位解包裹的方法及tof测距系统 |
CN109782262A (zh) * | 2019-01-30 | 2019-05-21 | Oppo广东移动通信有限公司 | 相位测距方法、装置、分体式电子设备及可读存储介质 |
CN109884610B (zh) * | 2019-03-14 | 2021-10-08 | 深圳市镭神智能系统有限公司 | 一种激光雷达扫描方法和激光雷达 |
WO2021189438A1 (zh) * | 2020-03-27 | 2021-09-30 | 深圳市速腾聚创科技有限公司 | 基于连续波的测距方法、装置和激光雷达 |
CN111766605B (zh) * | 2020-06-18 | 2023-03-14 | 北京理工大学 | 一种固态面阵激光三维成像系统及方法 |
CN112099051A (zh) * | 2020-08-13 | 2020-12-18 | 欧菲微电子技术有限公司 | Tof测距方法、tof传感模组及电子设备和存储介质 |
CN114325738B (zh) * | 2021-12-23 | 2023-01-10 | 探维科技(北京)有限公司 | 测量距离的方法及激光雷达 |
CN115231407B (zh) * | 2022-07-15 | 2023-09-15 | 日立楼宇技术(广州)有限公司 | 一种电梯的位移检测方法、装置、设备及存储介质 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102323580A (zh) * | 2011-08-02 | 2012-01-18 | 天津理工大学 | 一种采用三频连续微波无线测距系统及测距方法 |
CN102590808A (zh) * | 2012-01-12 | 2012-07-18 | 重庆大学 | 基于载波调制原理的多测尺微波相位测距方法 |
CN205608186U (zh) * | 2016-04-15 | 2016-09-28 | 中国科学院上海技术物理研究所 | 基于同步采样和多重相位测量的激光测距装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8629976B2 (en) * | 2007-10-02 | 2014-01-14 | Microsoft Corporation | Methods and systems for hierarchical de-aliasing time-of-flight (TOF) systems |
-
2017
- 2017-01-05 CN CN201710006538.7A patent/CN106772414B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102323580A (zh) * | 2011-08-02 | 2012-01-18 | 天津理工大学 | 一种采用三频连续微波无线测距系统及测距方法 |
CN102590808A (zh) * | 2012-01-12 | 2012-07-18 | 重庆大学 | 基于载波调制原理的多测尺微波相位测距方法 |
CN205608186U (zh) * | 2016-04-15 | 2016-09-28 | 中国科学院上海技术物理研究所 | 基于同步采样和多重相位测量的激光测距装置 |
Also Published As
Publication number | Publication date |
---|---|
CN106772414A (zh) | 2017-05-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106772414B (zh) | 一种提高tof相位法测距雷达测距精度的方法 | |
RU2419813C2 (ru) | Устройство измерения расстояния и способ измерения расстояния | |
KR102336927B1 (ko) | 레이더 표적의 상대 속도를 결정하기 위한 방법 및 레이더 센서 | |
CN104280728B (zh) | 雷达传感器与用于运行雷达传感器的方法 | |
US11099269B2 (en) | Radar device for vehicle and target determination method therefor | |
CN105866783A (zh) | 以半连续方波调制和飞行时间测量的激光测距方法及装置 | |
CN105607051B (zh) | 用于测定fmcw测距装置与目标之间距离的方法 | |
CN107407587B (zh) | 使用辅助参考信号对之间的相关的液位测量 | |
CN106959446B (zh) | 用于车辆的雷达装置及其测量目标的方法 | |
CN108594254A (zh) | 一种提高tof激光成像雷达测距精度的方法 | |
US9746366B2 (en) | Radar level gauging | |
RU2014109546A (ru) | Способ определения уровня наполнения резервуара | |
CN110088642A (zh) | 用于检测目标对象的前进方向和速度的系统和方法 | |
CN108445477A (zh) | 机场场面异物检测雷达的高精度测距方法 | |
US10955273B2 (en) | Extended range ADC flow meter | |
RU2576341C2 (ru) | Отслеживание на основе фазы | |
CN109324327A (zh) | 一种基于fmcw雷达精确测距和测速的方法及系统 | |
CN203177928U (zh) | 回波采样单元及使用该单元的脉冲式雷达物位计 | |
US8639462B2 (en) | Method and system for determining the time-of-flight of a signal | |
RU2502083C1 (ru) | Способ калибровки и поверки доплеровского радиолокатора профилей ветра | |
CN104272066B (zh) | 用于测量液体的液位的方法 | |
RU2612201C1 (ru) | Способ определения дистанции гидролокатором | |
CN110726995B (zh) | 激光雷达高精度测距方法及系统 | |
JP2007127529A (ja) | 距離測定装置および距離測定方法 | |
RU2642517C2 (ru) | Способ дистанционного определения амплитуды вибрации |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Method for improving ranging accuracy of ranging radar by virtue of TOF phase method Effective date of registration: 20200717 Granted publication date: 20190816 Pledgee: Haidian Beijing science and technology enterprise financing Company limited by guarantee Pledgor: BENEWAKE (BEIJING) Co.,Ltd. Registration number: Y2020990000782 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220824 Granted publication date: 20190816 Pledgee: Haidian Beijing science and technology enterprise financing Company limited by guarantee Pledgor: BENEWAKE (BEIJING) Co.,Ltd. Registration number: Y2020990000782 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A Method to Improve the Ranging Accuracy of TOF Phase Ranging Radar Effective date of registration: 20221129 Granted publication date: 20190816 Pledgee: Bank of Hangzhou Limited by Share Ltd. Beijing Zhongguancun branch Pledgor: BENEWAKE (BEIJING) Co.,Ltd. Registration number: Y2022980024063 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right |