IT942256B - Perfezionamento nei sistemi radar del tipo doppler - Google Patents

Perfezionamento nei sistemi radar del tipo doppler

Info

Publication number
IT942256B
IT942256B IT53838/71A IT5383871A IT942256B IT 942256 B IT942256 B IT 942256B IT 53838/71 A IT53838/71 A IT 53838/71A IT 5383871 A IT5383871 A IT 5383871A IT 942256 B IT942256 B IT 942256B
Authority
IT
Italy
Prior art keywords
doppler
improvement
radar systems
type radar
type
Prior art date
Application number
IT53838/71A
Other languages
English (en)
Original Assignee
Raytheon Co
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 Raytheon Co filed Critical Raytheon Co
Application granted granted Critical
Publication of IT942256B publication Critical patent/IT942256B/it

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
    • 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

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)
  • Radar Systems Or Details Thereof (AREA)
IT53838/71A 1970-11-23 1971-11-02 Perfezionamento nei sistemi radar del tipo doppler IT942256B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9172370A 1970-11-23 1970-11-23

Publications (1)

Publication Number Publication Date
IT942256B true IT942256B (it) 1973-03-20

Family

ID=22229350

Family Applications (1)

Application Number Title Priority Date Filing Date
IT53838/71A IT942256B (it) 1970-11-23 1971-11-02 Perfezionamento nei sistemi radar del tipo doppler

Country Status (11)

Country Link
US (1) US3706095A (it)
JP (1) JPS5120278B1 (it)
AU (1) AU459613B2 (it)
BE (1) BE775477A (it)
CA (1) CA967671A (it)
DE (1) DE2157342C3 (it)
FR (1) FR2115186B1 (it)
GB (1) GB1308089A (it)
IL (1) IL37880A (it)
IT (1) IT942256B (it)
NL (1) NL182246C (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4079378A (en) * 1977-02-28 1978-03-14 General Dynamics Corporation Coherent pulse radar system with time-shared frequency source
DE2907315A1 (de) * 1979-02-24 1980-08-28 Philips Patentverwaltung Schaltungsanordnung zur auswertung von dopplerradarsignalen fuer ein dopplerradar im ghz-bereich
FR2472759A1 (fr) * 1979-12-28 1981-07-03 Thomson Csf Dispositif d'elimination des echos fixes dans les equipements de detection electromagnetique et equipements comportant un tel dispositif
US5327141A (en) * 1986-11-06 1994-07-05 Raytheon Company Clutter removal by polynomial compensation
US5508605A (en) * 1994-05-24 1996-04-16 Alliedsignal Inc. Method for measuring RF pulse frequency
US5805460A (en) * 1994-10-21 1998-09-08 Alliedsignal Inc. Method for measuring RF pulse rise time, fall time and pulse width
US5519399A (en) * 1994-12-05 1996-05-21 Alliedsignal Inc. Method for measuring the frequency of continuous wave and wide pulse RF signals
EP2009461A1 (en) * 2006-04-20 2008-12-31 Anritsu Corporation Short-pulse radar and method for controlling the same

Also Published As

Publication number Publication date
US3706095A (en) 1972-12-12
NL182246C (nl) 1988-02-01
AU459613B2 (en) 1975-04-10
BE775477A (fr) 1972-03-16
DE2157342C3 (de) 1974-06-12
NL7116092A (it) 1972-05-25
FR2115186B1 (it) 1977-01-21
DE2157342B2 (de) 1973-11-15
CA967671A (en) 1975-05-13
GB1308089A (en) 1973-02-21
AU3445971A (en) 1973-04-19
IL37880A (en) 1974-03-14
JPS5120278B1 (it) 1976-06-23
DE2157342A1 (de) 1972-05-31
FR2115186A1 (it) 1972-07-07
IL37880A0 (en) 1972-01-27
NL182246B (nl) 1987-09-01

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