SE7902539L - METHOD AND DEVICE FOR COMPRESSION OF THE DYNAMICS FROM RECEIVED RETURNED SIGNALS - Google Patents

METHOD AND DEVICE FOR COMPRESSION OF THE DYNAMICS FROM RECEIVED RETURNED SIGNALS

Info

Publication number
SE7902539L
SE7902539L SE7902539A SE7902539A SE7902539L SE 7902539 L SE7902539 L SE 7902539L SE 7902539 A SE7902539 A SE 7902539A SE 7902539 A SE7902539 A SE 7902539A SE 7902539 L SE7902539 L SE 7902539L
Authority
SE
Sweden
Prior art keywords
detector
dynamics
compression
signals
returned signals
Prior art date
Application number
SE7902539A
Other languages
Swedish (sv)
Other versions
SE432486B (en
Inventor
J Harms
W Lahmann
C Weitkamp
Original Assignee
Kernenergieverwert Ges Fuer
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 Fuer filed Critical Kernenergieverwert Ges Fuer
Publication of SE7902539L publication Critical patent/SE7902539L/en
Publication of SE432486B publication Critical patent/SE432486B/en

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

A method of compressing the dynamic range of received back- scattered signals, for example lidar signals, and apparatus for carrying out the method, wherein the effective receiving area of a detector is selected in dependence upon the minimum range R from which all back-scattered signals are required to be detected in accordance with the following formula: dk = D . f/R where dk is the effective receiving area of the detector D is the diameter of the transmitted beam at the distance R and f is the focal length of the receiving system. Close range echoes thereby produce an image greater than detector surface whereby energy impinging thereon is reduced. <IMAGE>
SE7902539A 1978-03-25 1979-03-21 RECEIVING DEVICE FOR VARIOUS DISTANCE ZONES COMING DIFFUST REFLECTED SIGNALS SE432486B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2813089A DE2813089C2 (en) 1978-03-25 1978-03-25 Receiving device for backscattered signals coming from different distance ranges

Publications (2)

Publication Number Publication Date
SE7902539L true SE7902539L (en) 1979-09-26
SE432486B SE432486B (en) 1984-04-02

Family

ID=6035433

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7902539A SE432486B (en) 1978-03-25 1979-03-21 RECEIVING DEVICE FOR VARIOUS DISTANCE ZONES COMING DIFFUST REFLECTED SIGNALS

Country Status (7)

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

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3237217A1 (en) * 1982-10-07 1984-04-12 Siemens AG, 1000 Berlin und 8000 München Diaphragm for optical systems or devices
JPS60211380A (en) * 1984-04-05 1985-10-23 Optic:Kk Light wave range finder
WO1988008546A1 (en) * 1987-05-01 1988-11-03 The Broken Hill Proprietary Company Limited Monitoring of objects in an optically dense atmosphere
JP3158707B2 (en) * 1992-09-09 2001-04-23 株式会社デンソー Optical radar equipment for vehicles
JP6271139B2 (en) * 2013-03-21 2018-01-31 株式会社堀場製作所 thermometer
DE102016122712B3 (en) 2016-11-24 2017-11-23 Sick Ag Optoelectronic sensor and method for acquiring object information
DE102017204073A1 (en) 2017-03-13 2018-09-13 Osram Gmbh TOF CAMERA, MOTOR VEHICLE, METHOD FOR MANUFACTURING A TOF CAMERA, AND METHOD FOR DETERMINING A DISTANCE TO AN OBJECT
CN107292935B (en) * 2017-05-05 2021-03-23 深圳市建设综合勘察设计院有限公司 Compression method of airborne high-density laser point cloud, storage device and laser radar
CN112882045A (en) * 2021-03-15 2021-06-01 方强 Coaxial laser scanning radar with compressed return light dynamic range

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1248637B (en) * 1963-06-19 1967-08-31 Farbenfabriken Bayer Aktiengesellschaft, Leverkusen Process for the production of isourea ethers
DE1294687B (en) * 1963-10-29 1969-05-08 Kern & Co Ag Electro-optical distance measuring device
NL131544C (en) * 1965-02-03
NL6611350A (en) * 1966-08-12 1968-02-13
CH468623A (en) * 1967-06-07 1969-02-15 Zeiss Jena Veb Carl Electro-optical rangefinder
CH488195A (en) * 1967-08-24 1970-03-31 Zeiss Jena Veb Carl Electro-optical rangefinder
DE6806691U (en) * 1968-11-06 1969-05-29 Zeiss Jena G M B H REFLECTOR WITH AT LEAST ONE DEFLECTION UNIT FOR ELECTRO-OPTICAL DISTANCE MEASURING DEVICES
DE6918690U (en) * 1969-05-08 1969-12-04 Eltro Gmbh LASER DISTANCE MEASURING AND AIMING DEVICE
CH501895A (en) * 1969-10-10 1971-01-15 Paillard Sa Light beam rangefinder
US3764213A (en) * 1972-05-08 1973-10-09 Hughes Aircraft Co Return-wave, phase controlled adaptive array
SE407976B (en) * 1973-03-13 1979-04-30 Bofors Ab PROCEDURE AND DEVICE FOR TEMPLATING
DE2536956B2 (en) * 1975-08-19 1978-06-22 Siemens Ag, 1000 Berlin Und 8000 Muenchen Optoelectronic (especially laser) distance measuring system with receiving beam splitter and diaphragm
SE7603069L (en) * 1976-03-08 1977-09-09 Asea Ab CLOUD HEIGHT SATURATION DEVICE

Also Published As

Publication number Publication date
NL7902311A (en) 1979-09-27
BE875055A (en) 1979-07-16
GB2017449B (en) 1982-12-01
FR2422963A1 (en) 1979-11-09
GB2017449A (en) 1979-10-03
DE2813089C2 (en) 1983-12-15
SE432486B (en) 1984-04-02
FR2422963B1 (en) 1984-11-16
NL185960C (en) 1990-08-16
JPS54154353A (en) 1979-12-05
JPH0220933B2 (en) 1990-05-11
DE2813089A1 (en) 1979-10-11
NL185960B (en) 1990-03-16

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