JPH0439039B2 - - Google Patents
Info
- Publication number
- JPH0439039B2 JPH0439039B2 JP61141289A JP14128986A JPH0439039B2 JP H0439039 B2 JPH0439039 B2 JP H0439039B2 JP 61141289 A JP61141289 A JP 61141289A JP 14128986 A JP14128986 A JP 14128986A JP H0439039 B2 JPH0439039 B2 JP H0439039B2
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- signal
- laser
- light
- beat frequency
- 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.)
- Expired - Lifetime
Links
- 230000035559 beat frequency Effects 0.000 claims description 26
- 238000001514 detection method Methods 0.000 claims description 9
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 description 11
- 238000001228 spectrum Methods 0.000 description 11
- 238000010521 absorption reaction Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000003287 optical effect Effects 0.000 description 8
- 238000005259 measurement Methods 0.000 description 5
- 230000010355 oscillation Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
Landscapes
- Optical Radar Systems And Details Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61141289A JPS62298789A (ja) | 1986-06-19 | 1986-06-19 | レ−ザ・レ−ダ用ヘテロダイン受信機 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61141289A JPS62298789A (ja) | 1986-06-19 | 1986-06-19 | レ−ザ・レ−ダ用ヘテロダイン受信機 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62298789A JPS62298789A (ja) | 1987-12-25 |
| JPH0439039B2 true JPH0439039B2 (de) | 1992-06-26 |
Family
ID=15288422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61141289A Granted JPS62298789A (ja) | 1986-06-19 | 1986-06-19 | レ−ザ・レ−ダ用ヘテロダイン受信機 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62298789A (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2024516584A (ja) * | 2021-04-16 | 2024-04-16 | ｓａｎｔｅｃ Ｈｏｌｄｉｎｇｓ株式会社 | Ｌｉｄａｒセンシングのためのシステムおよび方法 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113906315B (zh) * | 2019-04-26 | 2025-06-24 | 莫罗实验室公司 | 用于对光检测和测距系统中来自多个孔径的相干检测进行管理的装置和方法 |
| CN116964488A (zh) * | 2021-02-26 | 2023-10-27 | 三菱电机株式会社 | 激光雷达装置 |
-
1986
- 1986-06-19 JP JP61141289A patent/JPS62298789A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2024516584A (ja) * | 2021-04-16 | 2024-04-16 | ｓａｎｔｅｃ Ｈｏｌｄｉｎｇｓ株式会社 | Ｌｉｄａｒセンシングのためのシステムおよび方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62298789A (ja) | 1987-12-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5889490A (en) | Method and apparatus for improved ranging | |
| US6040898A (en) | FMCW distance measurement process | |
| US5748325A (en) | Gas detector for plural target zones | |
| US4611912A (en) | Method and apparatus for optically measuring distance and velocity | |
| US5194906A (en) | Distance measuring device | |
| RU2419813C2 (ru) | Устройство измерения расстояния и способ измерения расстояния | |
| US5637872A (en) | Gas detector | |
| GB2336493A (en) | Circuit arrangement for producing frequency signals | |
| US20060279723A1 (en) | Optical delay line to correct phase errors in coherent ladar | |
| JP2001255369A (ja) | 光電子的に距離を測定する方法および同方法に基づいた装置 | |
| CA2446909A1 (en) | Optical sensor for distance measurement | |
| HUT55141A (en) | Method and apparatus for the measurement of the mass of gases in gas compositions in spectroscopic way | |
| JPH05256934A (ja) | 物体間の距離測定方法 | |
| US20050146706A1 (en) | Laser radar apparatus | |
| US5267011A (en) | Laser doppler frequency control | |
| US4861158A (en) | Chirp and Doppler optical gauge | |
| US5210587A (en) | Optical distance measuring apparatus | |
| IL286820A (en) | A method and system for mapping and measuring distance | |
| JPS62298789A (ja) | レ−ザ・レ−ダ用ヘテロダイン受信機 | |
| US3220003A (en) | Detector for varying carrier frequency signals | |
| JPH06186337A (ja) | レーザ測距装置 | |
| JP6653052B2 (ja) | レーザー測距装置およびレーザー測距方法 | |
| JP7339292B2 (ja) | 光スペクトラムアナライザ及びパルス変調光測定方法 | |
| JPH08101066A (ja) | 光スペクトラム測定装置 | |
| RU2108597C1 (ru) | Способ лазерной локации утечек метана в промышленных газопроводах и устройство для его реализации |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |