NO132332B - - Google Patents

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Info

Publication number
NO132332B
NO132332B NO4286/71A NO428671A NO132332B NO 132332 B NO132332 B NO 132332B NO 4286/71 A NO4286/71 A NO 4286/71A NO 428671 A NO428671 A NO 428671A NO 132332 B NO132332 B NO 132332B
Authority
NO
Norway
Prior art keywords
frequency range
signals
output
disturbance
circuit
Prior art date
Application number
NO4286/71A
Other languages
English (en)
Norwegian (no)
Other versions
NO132332C (OSRAM
Inventor
J Staender
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
Application filed by Krupp Gmbh filed Critical Krupp Gmbh
Publication of NO132332B publication Critical patent/NO132332B/no
Publication of NO132332C publication Critical patent/NO132332C/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
    • G01S13/02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/50Systems of measurement based on relative movement of target
    • G01S13/52Discriminating between fixed and moving objects or between objects moving at different speeds
    • G01S13/522Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves
    • G01S13/524Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi
    • G01S13/53Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi performing filtering on a single spectral line and associated with one or more range gates with a phase detector or a frequency mixer to extract the Doppler information, e.g. pulse Doppler radar
    • 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
    • G01S7/35Details of non-pulse systems
    • G01S7/352Receivers
    • G01S7/354Extracting wanted echo-signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Noise Elimination (AREA)
  • Radar Systems Or Details Thereof (AREA)
NO4286/71A 1970-12-03 1971-11-22 NO132332C (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702059507 DE2059507A1 (de) 1970-12-03 1970-12-03 Schaltanordnung zum Bedaempfen eines breitbandigen Grundstoerpegels und ihm ueberlagerter Stoersignale

Publications (2)

Publication Number Publication Date
NO132332B true NO132332B (OSRAM) 1975-07-14
NO132332C NO132332C (OSRAM) 1975-10-22

Family

ID=5789879

Family Applications (1)

Application Number Title Priority Date Filing Date
NO4286/71A NO132332C (OSRAM) 1970-12-03 1971-11-22

Country Status (6)

Country Link
US (1) US3737799A (OSRAM)
DE (1) DE2059507A1 (OSRAM)
FR (1) FR2117395A5 (OSRAM)
GB (1) GB1361480A (OSRAM)
NL (1) NL7115967A (OSRAM)
NO (1) NO132332C (OSRAM)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4119966A (en) * 1977-07-14 1978-10-10 Motorola Inc. Clutter discriminating apparatus for use with pulsed doppler radar systems and the like
US4186349A (en) * 1977-12-27 1980-01-29 E-Systems, Inc. Adaptive narrow band noise estimator/suppressor radio receiver
JPS5821466B2 (ja) * 1979-02-13 1983-04-30 日本電信電話株式会社 デイジタル信号受信方式
US4549312A (en) * 1980-02-29 1985-10-22 Digital Marine Electronics Corporation Radio receiver with automatic interference and distortion compensation
JPS58152546A (ja) * 1982-03-04 1983-09-10 横河電機株式会社 超音波診断装置の反射波受信方式
US4561019A (en) * 1983-05-16 1985-12-24 Riverside Research Institute Frequency diversity for image enhancement
DE3406343A1 (de) * 1984-02-22 1985-08-29 Messerschmitt-Bölkow-Blohm GmbH, 2800 Bremen Verfahren zur ortung von signalquellen mit stoersignalunterdrueckung
DE3420545C2 (de) * 1984-06-01 1993-11-11 Atlas Elektronik Gmbh Verfahren zum Peilen eines Zielverbandes und Vorrichtung zum Ausüben des Verfahrens
DE3520398A1 (de) * 1985-06-07 1986-12-11 Fried. Krupp Gmbh, 4300 Essen Verfahren und vorrichtung zum ausblenden von stoersignalen
DE3538649A1 (de) * 1985-10-31 1987-05-07 Krupp Gmbh Peilempfaenger
DE4017849C3 (de) * 1990-06-02 1995-10-26 Alliedsignal Elac Nautik Gmbh Schaltungsanordnung zur Störunterdrückung im Empfangssignal von Sonaranlagen
US5473461A (en) * 1994-08-26 1995-12-05 Interactive Light, Inc. Wide dynamic range optical receiver
US5537680A (en) * 1994-12-27 1996-07-16 Insulated Wire Incorporated Cellular receiver range extender
JPH09229974A (ja) * 1996-02-20 1997-09-05 Advantest Corp 対数変換回路
US6711394B2 (en) 1998-08-06 2004-03-23 Isco International, Inc. RF receiver having cascaded filters and an intermediate amplifier stage
US6314309B1 (en) 1998-09-22 2001-11-06 Illinois Superconductor Corp. Dual operation mode all temperature filter using superconducting resonators
JP3665711B2 (ja) * 1999-02-25 2005-06-29 富士通株式会社 高周波増幅器および増幅素子
US6896658B2 (en) * 2001-10-20 2005-05-24 Zonare Medical Systems, Inc. Simultaneous multi-mode and multi-band ultrasonic imaging
US6685645B1 (en) * 2001-10-20 2004-02-03 Zonare Medical Systems, Inc. Broad-beam imaging
US9407482B2 (en) * 2013-11-11 2016-08-02 Nokia Technologies Oy Tunable RF N-path filter
DE102014207086A1 (de) * 2014-04-14 2015-10-15 Robert Bosch Gmbh Vorrichtung und Verfahren zur schallbasierten Umfelddetektion
TWI561016B (en) * 2015-01-12 2016-12-01 Wistron Neweb Corp Signal transceiver circuit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL183566B (nl) * 1952-12-13 Emi Ltd Radiografische inrichting.
US3665321A (en) * 1969-07-02 1972-05-23 Sierra Research Corp System for passing on-frequency signals and for gating-out off-frequency signals

Also Published As

Publication number Publication date
NL7115967A (OSRAM) 1972-06-06
GB1361480A (en) 1974-07-24
FR2117395A5 (OSRAM) 1972-07-21
DE2059507A1 (de) 1972-06-08
US3737799A (en) 1973-06-05
NO132332C (OSRAM) 1975-10-22

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