NL182246C - 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: NL182246C
Authority: NL; Netherlands
Prior art keywords: distinction; switching device; doppler radar; unwanted signals; unwanted
Prior art date: 1970-11-23

Application number

NLAANVRAGE7116092,A

Other languages

Dutch (nl)

Other versions

NL182246B (en

NL7116092A (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.)

1970-11-23

Filing date

1971-11-23

Publication date

1988-02-01

1971-11-23 Application filed by Raytheon Co filed Critical Raytheon Co

1972-05-25 Publication of NL7116092A publication Critical patent/NL7116092A/xx

1987-09-01 Publication of NL182246B publication Critical patent/NL182246B/en

1988-02-01 Application granted granted Critical

1988-02-01 Publication of NL182246C publication Critical patent/NL182246C/en

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

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)

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 NL182246B (en)	1987-09-01
NL182246C true 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
EP2009461A1 (en) *	2006-04-20	2008-12-31	Anritsu Corporation	Short-pulse radar and method for controlling the same

1970
- 1970-11-23 US US91723A patent/US3706095A/en not_active Expired - Lifetime
1971
- 1971-10-08 IL IL37880A patent/IL37880A/en unknown
- 1971-10-11 GB GB4728871A patent/GB1308089A/en not_active Expired
- 1971-10-11 AU AU34459/71A patent/AU459613B2/en not_active Expired
- 1971-11-02 IT IT53838/71A patent/IT942256B/en active
- 1971-11-15 FR FR7140724A patent/FR2115186B1/fr not_active Expired
- 1971-11-16 CA CA127,806A patent/CA967671A/en not_active Expired
- 1971-11-17 BE BE775477A patent/BE775477A/en not_active IP Right Cessation
- 1971-11-18 JP JP46091955A patent/JPS5120278B1/ja active Pending
- 1971-11-18 DE DE2157342A patent/DE2157342C3/en not_active Expired
- 1971-11-23 NL NLAANVRAGE7116092,A patent/NL182246C/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
IL37880A (en)	1974-03-14
CA967671A (en)	1975-05-13
NL182246B (en)	1987-09-01
DE2157342B2 (en)	1973-11-15
GB1308089A (en)	1973-02-21
IT942256B (en)	1973-03-20
BE775477A (en)	1972-03-16
US3706095A (en)	1972-12-12
FR2115186B1 (en)	1977-01-21
DE2157342A1 (en)	1972-05-31
JPS5120278B1 (en)	1976-06-23
IL37880A0 (en)	1972-01-27
AU3445971A (en)	1973-04-19
DE2157342C3 (en)	1974-06-12
FR2115186A1 (en)	1972-07-07
NL7116092A (en)	1972-05-25
AU459613B2 (en)	1975-04-10

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Legal Events

Date	Code	Title
1980-01-25	BB	A search report has been drawn up
1980-06-25	BC	A request for examination has been filed
1985-01-01	A85	Still pending on 85-01-01
1991-12-16	V4	Discontinued because of reaching the maximum lifetime of a patent