NO128351B - - Google Patents

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Publication number
NO128351B
NO128351B NO03968/68A NO396868A NO128351B NO 128351 B NO128351 B NO 128351B NO 03968/68 A NO03968/68 A NO 03968/68A NO 396868 A NO396868 A NO 396868A NO 128351 B NO128351 B NO 128351B
Authority
NO
Norway
Prior art keywords
digital
measurement
counter
pulse
accordance
Prior art date
Application number
NO03968/68A
Other languages
English (en)
Norwegian (no)
Inventor
W Stedtnitz
Original Assignee
Krupp Gmbh
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
Priority claimed from DE19671673817 external-priority patent/DE1673817B2/de
Application filed by Krupp Gmbh filed Critical Krupp Gmbh
Publication of NO128351B publication Critical patent/NO128351B/no

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S13/00Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/66Radar-tracking systems; Analogous systems
    • G01S13/70Radar-tracking systems; Analogous systems for range tracking only
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28Details of pulse systems
    • G01S7/285Receivers
    • G01S7/292Extracting wanted echo-signals
    • G01S7/2923Extracting wanted echo-signals based on data belonging to a number of consecutive radar periods
    • GPHYSICS
    • G04HOROLOGY
    • G04FTIME-INTERVAL MEASURING
    • G04F10/00Apparatus for measuring unknown time intervals by electric means
    • G04F10/04Apparatus for measuring unknown time intervals by electric means by counting pulses or half-cycles of an ac
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S367/00Communications, electrical: acoustic wave systems and devices
    • Y10S367/901Noise or unwanted signal reduction in nonseismic receiving system

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
NO03968/68A 1967-10-18 1968-10-08 NO128351B (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19671673817 DE1673817B2 (de) 1967-10-18 1967-10-18 Vorrichtung zur digitalen kurzzeitmessung, insbesondere zur entfernungsmessung nach dem rueckstrahlverfahren mit elektromagnetischen oder akustischen impulsen

Publications (1)

Publication Number Publication Date
NO128351B true NO128351B (fr) 1973-10-29

Family

ID=5686572

Family Applications (1)

Application Number Title Priority Date Filing Date
NO03968/68A NO128351B (fr) 1967-10-18 1968-10-08

Country Status (3)

Country Link
US (1) US3539978A (fr)
GB (1) GB1203310A (fr)
NO (1) NO128351B (fr)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1290915A (fr) * 1969-11-19 1972-09-27
US3641572A (en) * 1970-01-19 1972-02-08 Collins Radio Co Digital echo protection circuit for dme and tacan
NO130132B (fr) * 1970-06-13 1974-07-08 Electroacustic Gmbh
US3803604A (en) * 1972-07-07 1974-04-09 Rca Corp Digital tracker
US3803602A (en) * 1972-07-07 1974-04-09 Rca Corp Digital range rate computer
US3803605A (en) * 1972-07-07 1974-04-09 Rca Corp Track gate movement limiter
US3924258A (en) * 1974-03-21 1975-12-02 Little Inc A Digital depth sounder
US4169255A (en) * 1974-04-01 1979-09-25 The Boeing Company Automatic noise suppression system for acoustic height sensor
US3968491A (en) * 1974-11-25 1976-07-06 The United States Of America As Represented By The Secretary Of The Navy Radar rangemeter
US4070673A (en) * 1976-09-03 1978-01-24 Sperry Rand Corporation Radar video digital processor
GB1601604A (en) * 1977-04-28 1981-11-04 Omron Tateisi Electronics Co Moving object detection system
US4124850A (en) * 1977-06-07 1978-11-07 The Bendix Corporation Video processor for distance measuring equipment
US4254482A (en) * 1979-03-14 1981-03-03 Np Industries, Inc. Echo location system which provides for measuring liquid level and flow rate and flow volume of flowing liquids
NO141353C (no) * 1978-02-03 1980-02-20 Thorbjoern Christiansen Anordning for styring av ekkoloddtilkoplet, automatisk snoerefiskemaskin
US4240152A (en) * 1978-06-15 1980-12-16 Duncan Robert L Object indicator for moving vehicles
IT1122906B (it) * 1978-08-31 1986-04-30 Siemens Ag Dispositivo per misurare la durata di eventi in impianti comandati da calcolatori,specie per misurare il traffico in impianti di telecomunicazioni
US4225949A (en) * 1978-10-17 1980-09-30 Atlantic Development Company Method of and apparatus for navigating unmarked channels
DE3103567A1 (de) * 1981-02-03 1982-08-12 MITEC Moderne Industrietechnik GmbH, 8012 Ottobrunn Entfernungsmessverfahren nach dem prinzip der laufzeitmessung eines messlichtimpulses und vorrichtung zu seiner durchfuehrung
US4599617A (en) * 1981-06-19 1986-07-08 King Radio Corporations Method and apparatus for evaluating the range data accumulated by distance measuring equipment
DE3328540A1 (de) * 1983-08-06 1985-02-14 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung zur messung der zeit zwischen zwei ereignissen
US4597069A (en) * 1983-10-17 1986-06-24 Transdynamics Inc. Depthsounder/fish finder
US4644512A (en) * 1984-02-16 1987-02-17 Ketcham & Mcdougall, Inc. Sonar depth finder with relative depth LCD display

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3035263A (en) * 1958-01-22 1962-05-15 Hughes Aircraft Co Digital range tracking circuit
US3344421A (en) * 1966-02-25 1967-09-26 Jr Clell A Dildy Digitally controlled automatic range gate

Also Published As

Publication number Publication date
GB1203310A (en) 1970-08-26
US3539978A (en) 1970-11-10

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