NL182246B - DOPPLER RADAR WITH A SWITCHING DEVICE FOR DISTINCTION BETWEEN DESIRED AND UNWANTED SIGNALS. - Google Patents

DOPPLER RADAR WITH A SWITCHING DEVICE FOR DISTINCTION BETWEEN DESIRED AND UNWANTED SIGNALS.

Info

Publication number
NL182246B
NL182246B NLAANVRAGE7116092,A NL7116092A NL182246B NL 182246 B NL182246 B NL 182246B NL 7116092 A NL7116092 A NL 7116092A NL 182246 B NL182246 B NL 182246B
Authority
NL
Netherlands
Prior art keywords
distinction
switching device
doppler radar
unwanted signals
unwanted
Prior art date
Application number
NLAANVRAGE7116092,A
Other languages
Dutch (nl)
Other versions
NL7116092A (en
NL182246C (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
Publication of NL7116092A publication Critical patent/NL7116092A/xx
Publication of NL182246B publication Critical patent/NL182246B/en
Application granted granted Critical
Publication of NL182246C publication Critical patent/NL182246C/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
    • G01S13/00—Systems 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
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/50—Systems of measurement based on relative movement of target
    • G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds
    • G01S13/522—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves
    • G01S13/524—Discriminating 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
    • G01S13/53—Discriminating 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
    • 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
    • G01S13/00—Systems 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
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/50—Systems of measurement based on relative movement of target
    • G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds
NLAANVRAGE7116092,A 1970-11-23 1971-11-23 DOPPLER RADAR WITH A SWITCHING DEVICE FOR DISTINCTION BETWEEN DESIRED AND UNWANTED SIGNALS. NL182246C (en)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
NL7116092A NL7116092A (en) 1972-05-25
NL182246B true NL182246B (en) 1987-09-01
NL182246C NL182246C (en) 1988-02-01

Family

ID=22229350

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7116092,A NL182246C (en) 1970-11-23 1971-11-23 DOPPLER RADAR WITH A SWITCHING DEVICE FOR DISTINCTION BETWEEN DESIRED AND UNWANTED SIGNALS.

Country Status (11)

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

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 (en) * 1979-02-24 1980-08-28 Philips Patentverwaltung CIRCUIT ARRANGEMENT FOR EVALUATING DOPPLER RADAR SIGNALS FOR A DOPPLER RADAR IN THE GHZ RANGE
FR2472759A1 (en) * 1979-12-28 1981-07-03 Thomson Csf DEVICE FOR REMOVING FIXED ECHO IN ELECTROMAGNETIC DETECTION EQUIPMENT AND EQUIPMENT COMPRISING SUCH A DEVICE
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
US7812760B2 (en) * 2006-04-20 2010-10-12 Anritsu Corporation Short-range radar and control method thereof

Also Published As

Publication number Publication date
FR2115186A1 (en) 1972-07-07
IT942256B (en) 1973-03-20
JPS5120278B1 (en) 1976-06-23
IL37880A (en) 1974-03-14
NL7116092A (en) 1972-05-25
AU459613B2 (en) 1975-04-10
DE2157342A1 (en) 1972-05-31
DE2157342B2 (en) 1973-11-15
DE2157342C3 (en) 1974-06-12
US3706095A (en) 1972-12-12
FR2115186B1 (en) 1977-01-21
NL182246C (en) 1988-02-01
IL37880A0 (en) 1972-01-27
AU3445971A (en) 1973-04-19
BE775477A (en) 1972-03-16
CA967671A (en) 1975-05-13
GB1308089A (en) 1973-02-21

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Legal Events

Date Code Title Description
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V4 Discontinued because of reaching the maximum lifetime of a patent