JP2021510834A - 光を送信するための送信装置 - Google Patents
光を送信するための送信装置 Download PDFInfo
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- 230000005540 biological transmission Effects 0.000 claims description 26
- 230000003287 optical effect Effects 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 13
- 238000000926 separation method Methods 0.000 claims description 2
- 230000036962 time dependent Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 description 10
- 230000005374 Kerr effect Effects 0.000 description 2
- 230000005697 Pockels effect Effects 0.000 description 2
- 239000002800 charge carrier Substances 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- 230000005469 synchrotron radiation Effects 0.000 description 1
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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
- G01S7/491—Details of non-pulse systems
- G01S7/4911—Transmitters
-
- 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
-
- 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
- G01S17/34—Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
-
- 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
- G01S17/42—Simultaneous measurement of distance and other co-ordinates
-
- 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
- G01S17/88—Lidar systems specially adapted for specific applications
- G01S17/93—Lidar systems specially adapted for specific applications for anti-collision purposes
- G01S17/931—Lidar systems specially adapted for specific applications for anti-collision purposes of land vehicles
-
- 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
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4814—Constructional features, e.g. arrangements of optical elements of transmitters alone
- G01S7/4815—Constructional features, e.g. arrangements of optical elements of transmitters alone using multiple transmitters
-
- 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
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4817—Constructional features, e.g. arrangements of optical elements relating to scanning
-
- 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
- G01S7/491—Details of non-pulse systems
- G01S7/4912—Receivers
-
- 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
- G01S7/491—Details of non-pulse systems
- G01S7/4912—Receivers
- G01S7/4917—Receivers superposing optical signals in a photodetector, e.g. optical heterodyne detection
Abstract
Description
・複数の異なる角度範囲への同時送信および1つのみの受信ユニットによる反射光の受信、
・複数の角度範囲の同時照射、
・ランプ毎の測定時間の拡大およびこれによる信号対雑音比の向上、
・より広い測定範囲、
・ライダーシステムの並列化が可能であること、
・多重反射による誤検出が少なく、信頼性が高いこと、
・シンプルな構造、
・簡単な実装。
Claims (12)
- 少なくとも1つの周波数の光を送信するための送信装置(21)であって、複数の異なる角度範囲(100、101)に光を出射するように構成され、前記角度範囲(100、101)それぞれの当該光の周波数が、それぞれの周波数範囲(fa START、fa ENDE、fb START、fb ENDE、fc START、fc ENDE)内で時間に応じて変化させられるとともに、異なる角度範囲(100、101)に対する複数の異なる周波数範囲(fa START、fa ENDE、fb START、fb ENDE、fc START、fc ENDE)内の周波数が異なる時間(2)で重複しないように構成されている送信装置(21)。
- 請求項1に記載の送信装置であって、前記角度範囲(100、101)それぞれでの周波数(3)を時間とともに直線的に変化させるように、好ましくは、開始周波数(fa START、fb START、fc START)から終了周波数(fa ENDE、fb ENDE、fc ENDE)まで変化させるように構成されている送信装置。
- 請求項1または2に記載の送信装置であって、光源(10、10a、10b、10c)と、前記光源(10、10a、10b、10c)の光の周波数の時間に応じた変化を生成する変調装置(11、11a、11b、11c)とが配置されている、送信装置。
- 請求項3に記載の送信装置であって、前記変調装置(11、11a、11b、11c)は、異なる周波数範囲(fa START、fa ENDE、fb START、fb ENDE、fc START、fc ENDE)の各々のための変調器(11a、11b、11c)を含む、送信装置。
- 請求項3に記載の送信装置であって、前記変調装置は、周波数範囲を時間とともに変化させるための変調器(11a)と、複数の異なる周波数範囲を生成するための少なくとも1つのさらなる変調器(11b、11c)とを有する、送信装置。
- 請求項1から5までのいずれか1項に記載の送信装置であって、各周波数範囲(fa START、fa ENDE、fb START、fb ENDE、fc START、fc ENDE)のために別個の光源(10a、10b、10c)が配置されている、送信装置。
- 光を受信するための受信装置(22)、特に請求項1から6までのいずれか1項に記載の送信装置(21)を有し、送信された光を受信するための受信装置(22)であって、
時間とともに変化する複数の異なる周波数範囲(fa START、fa ENDE、fb START、fb ENDE、fc START、fc ENDE)の周波数(3)を分離するための分離装置(14)と、当該受信された光を電気信号に変換するための少なくとも1つの検出器(15、15a、15b、15c)とが配置されている、受信装置(22)。 - 請求項7に記載の受信装置であって、別個の検出器(15a、15b、15c)が周波数範囲(fa START、fa ENDE、fb START、fb ENDE、fc START、fc ENDE)ごとに配置されている、受信装置。
- 請求項7または8に記載の受信装置であって、前記分離装置(14)は、特に光リング発振器の形態のノッチフィルタを有する、受信装置。
- 請求項1から6までの少なくとも1項に記載の送信装置(21)と、
請求項7から9までのいずれか1項に記載の受信装置(22)と
を備えたセンサ装置(20)。 - 少なくとも1つの周波数(3)の光を送信する方法であって、
複数の異なる角度範囲(100、101)それぞれの光の周波数をそれぞれの周波数範囲(fa START、fa ENDE、fb START、fb ENDE、fc START、fc ENDE)内で時間に応じて変化させ(5a、5b、5c)、異なる角度範囲(100、101)に対する複数の異なる周波数範囲(fa START、fa ENDE、fb START、fb ENDE、fc START、fc ENDE)内の周波数が異なる時間(2)で重複しないように、複数の異なる角度範囲(100、101)に光を出射する方法。 - 複数の異なる周波数範囲の光を受信する方法、特に請求項11に記載の方法により出射された光を受信する方法であって、
時間とともに変化する複数の異なる周波数範囲(fa START、fa ENDE、fb START、fb ENDE、fc START、fc ENDE)の周波数(3)を分離し(14)、特に当該受信された光を電気信号に変換する、方法。
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DE102018200620.2 | 2018-01-16 | ||
DE102018200620.2A DE102018200620A1 (de) | 2018-01-16 | 2018-01-16 | Sendevorrichtung zum Aussenden von Licht |
PCT/EP2019/050854 WO2019141641A1 (de) | 2018-01-16 | 2019-01-15 | Sendevorrichtung zum aussenden von licht |
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JP (1) | JP7168683B2 (ja) |
CN (1) | CN111630407A (ja) |
DE (1) | DE102018200620A1 (ja) |
WO (1) | WO2019141641A1 (ja) |
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US11215701B2 (en) | 2019-09-27 | 2022-01-04 | Aeva, Inc. | Coherent LIDAR |
JP2022090856A (ja) * | 2020-12-08 | 2022-06-20 | ソニーセミコンダクタソリューションズ株式会社 | 測距装置、および測距方法、並びにプログラム |
CN113611212B (zh) * | 2021-07-30 | 2023-08-29 | 北京京东方显示技术有限公司 | 光接收传感器、显示面板和电子设备 |
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- 2019-01-15 WO PCT/EP2019/050854 patent/WO2019141641A1/de active Application Filing
- 2019-01-15 CN CN201980008736.4A patent/CN111630407A/zh active Pending
- 2019-01-15 JP JP2020559021A patent/JP7168683B2/ja active Active
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JPH0630477B2 (ja) * | 1986-09-10 | 1994-04-20 | シャープ株式会社 | 光伝送装置 |
JPS6371674A (ja) * | 1986-09-16 | 1988-04-01 | Matsushita Electric Ind Co Ltd | レ−ザ−測距装置 |
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CN111630407A (zh) | 2020-09-04 |
JP7168683B2 (ja) | 2022-11-09 |
US20210063548A1 (en) | 2021-03-04 |
WO2019141641A1 (de) | 2019-07-25 |
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