FR2422963A1 - Procede et dispositif pour la compression de la dynamique des signaux retrodiffuses receptionnes - Google Patents

Procede et dispositif pour la compression de la dynamique des signaux retrodiffuses receptionnes

Info

Publication number
FR2422963A1
FR2422963A1 FR7907522A FR7907522A FR2422963A1 FR 2422963 A1 FR2422963 A1 FR 2422963A1 FR 7907522 A FR7907522 A FR 7907522A FR 7907522 A FR7907522 A FR 7907522A FR 2422963 A1 FR2422963 A1 FR 2422963A1
Authority
FR
France
Prior art keywords
dynamics
diameter
compressing
signals
broadcast
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.)
Granted
Application number
FR7907522A
Other languages
English (en)
Other versions
FR2422963B1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KERNENERGIEVERWERT GES fur
Original Assignee
KERNENERGIEVERWERT GES fur
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 by KERNENERGIEVERWERT GES fur filed Critical KERNENERGIEVERWERT GES fur
Publication of FR2422963A1 publication Critical patent/FR2422963A1/fr
Application granted granted Critical
Publication of FR2422963B1 publication Critical patent/FR2422963B1/fr
Granted legal-status Critical Current

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
    • G01S17/88—Lidar systems specially adapted for specific applications
    • G01S17/95—Lidar systems specially adapted for specific applications for meteorological use
    • 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
    • G01S7/4811—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
    • G01S7/4812—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver transmitted and received beams following a coaxial path
    • 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
    • G01S7/4816—Constructional features, e.g. arrangements of optical elements of receivers alone
    • 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
    • G01S7/483—Details of pulse systems
    • G01S7/486—Receivers
    • G01S7/4868—Controlling received signal intensity or exposure of sensor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
    • Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

Procédé et un dispositif pour la compression de la dynamique des signaux retrodiffusés réceptionnés, plus particulièrement des signaux Lidar diffusés dans l'atmosphère et rétrodiffusés. La surface de réception effective du détecteur est choisie de telle manière en fonction de la distance focale de l'optique de réception et du diamètre du faisceau émis que le diametre de la surface de réception du détecteur corresponde sensiblement à la formule : dk = D. f/R où R est la portée de compression désirée, c'est-à-dire la zone proche du récepteur dans laquelle la dynamique du signal rétrodiffusé doit être comprimé, D, le diamètre du faisceau émis à la distance R et f, la distance focale de l'optique de réception. Applications pour la compression géométrique de la dynamique des signaux rétrodiffusés pour détection par écho (Lidar, Radar, Sonar).
FR7907522A 1978-03-25 1979-03-26 Procede et dispositif pour la compression de la dynamique des signaux retrodiffuses receptionnes Granted FR2422963A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2813089A DE2813089C2 (de) 1978-03-25 1978-03-25 Empfangsvorrichtung für aus unterschiedlichen Entfernungsbereichen kommende rückgestreute Signale

Publications (2)

Publication Number Publication Date
FR2422963A1 true FR2422963A1 (fr) 1979-11-09
FR2422963B1 FR2422963B1 (fr) 1984-11-16

Family

ID=6035433

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7907522A Granted FR2422963A1 (fr) 1978-03-25 1979-03-26 Procede et dispositif pour la compression de la dynamique des signaux retrodiffuses receptionnes

Country Status (7)

Country Link
JP (1) JPS54154353A (fr)
BE (1) BE875055A (fr)
DE (1) DE2813089C2 (fr)
FR (1) FR2422963A1 (fr)
GB (1) GB2017449B (fr)
NL (1) NL185960C (fr)
SE (1) SE432486B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3237217A1 (de) * 1982-10-07 1984-04-12 Siemens AG, 1000 Berlin und 8000 München Blende fuer optische systeme oder geraete
JPS60211380A (ja) * 1984-04-05 1985-10-23 Optic:Kk 光波距離計
JPH01503329A (ja) * 1987-05-01 1989-11-09 ザ　ブロークン　ヒル　プロプライエタリー　カンパニー　リミテツド 光学的に濃い雰囲気内の物体の監視
JP3158707B2 (ja) * 1992-09-09 2001-04-23 株式会社デンソー 車両用光レーダ装置
JP6271139B2 (ja) * 2013-03-21 2018-01-31 株式会社堀場製作所 温度計
DE102016122712B3 (de) * 2016-11-24 2017-11-23 Sick Ag Optoelektronischer Sensor und Verfahren zur Erfassung von Objektinformationen
DE102017204073A1 (de) 2017-03-13 2018-09-13 Osram Gmbh Tof-kamera, kraftfahrzeug, verfahren zum herstellen einer tof-kamera und verfahren zum ermitteln eines abstands zu einem objekt
CN107292935B (zh) * 2017-05-05 2021-03-23 深圳市建设综合勘察设计院有限公司 机载高密度激光点云的压缩方法、存储设备及激光雷达
CN112882045A (zh) * 2021-03-15 2021-06-01 方强 压缩回光动态范围的同轴激光扫描雷达

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1280415A (en) * 1969-10-10 1972-07-05 Paillard Sa Improvements in or relating to a light beam range-finder
GB1468237A (en) * 1973-03-13 1977-03-23 Bofors Ab Automatic optical target tracking
FR2344029A1 (fr) * 1976-03-08 1977-10-07 Asea Ab Dispositif de mesure de la hauteur des nuages

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1248638B (fr) * 1963-06-19
DE1294687B (de) * 1963-10-29 1969-05-08 Kern & Co Ag Elektro-optisches Entfernungsmessgeraet
NL131544C (fr) * 1965-02-03
NL6611350A (fr) * 1966-08-12 1968-02-13
CH468623A (de) * 1967-06-07 1969-02-15 Zeiss Jena Veb Carl Elektrooptischer Entfernungsmesser
CH488195A (de) * 1967-08-24 1970-03-31 Zeiss Jena Veb Carl Elektrooptischer Entfernungsmesser
DE6806691U (de) * 1968-11-06 1969-05-29 Zeiss Jena G M B H Reflektor mit mindestens einer umlenkeinheit fuer elektrooptische streckenmessgeraete
DE6918690U (de) * 1969-05-08 1969-12-04 Eltro Gmbh Laser-entfernungsmess- und zielgeraet
US3764213A (en) * 1972-05-08 1973-10-09 Hughes Aircraft Co Return-wave, phase controlled adaptive array
DE2536956B2 (de) * 1975-08-19 1978-06-22 Siemens Ag, 1000 Berlin Und 8000 Muenchen Optoelektronisches (insbesondere Laser-) Entfernungsmeßsystem mit Empfangs-Strahlteiler und Blende

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1280415A (en) * 1969-10-10 1972-07-05 Paillard Sa Improvements in or relating to a light beam range-finder
GB1468237A (en) * 1973-03-13 1977-03-23 Bofors Ab Automatic optical target tracking
FR2344029A1 (fr) * 1976-03-08 1977-10-07 Asea Ab Dispositif de mesure de la hauteur des nuages

Also Published As

Publication number Publication date
SE432486B (sv) 1984-04-02
DE2813089C2 (de) 1983-12-15
FR2422963B1 (fr) 1984-11-16
JPH0220933B2 (fr) 1990-05-11
GB2017449B (en) 1982-12-01
SE7902539L (sv) 1979-09-26
NL7902311A (nl) 1979-09-27
NL185960B (nl) 1990-03-16
BE875055A (fr) 1979-07-16
NL185960C (nl) 1990-08-16
GB2017449A (en) 1979-10-03
JPS54154353A (en) 1979-12-05
DE2813089A1 (de) 1979-10-11

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ST Notification of lapse