FR2177432B1 - - Google Patents
Info
- Publication number
- FR2177432B1 FR2177432B1 FR7143096A FR7143096A FR2177432B1 FR 2177432 B1 FR2177432 B1 FR 2177432B1 FR 7143096 A FR7143096 A FR 7143096A FR 7143096 A FR7143096 A FR 7143096A FR 2177432 B1 FR2177432 B1 FR 2177432B1
- Authority
- FR
- France
- Legal status (The legal status 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 status listed.)
- Expired
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
- G01S13/06—Systems determining position data of a target
- G01S13/42—Simultaneous measurement of distance and other co-ordinates
- G01S13/424—Stacked beam 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
- G01S13/06—Systems determining position data of a target
- G01S13/42—Simultaneous measurement of distance and other co-ordinates
- G01S13/44—Monopulse radar, i.e. simultaneous lobing
- G01S13/4409—HF sub-systems particularly adapted therefor, e.g. circuits for signal combination
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/007—Antennas or antenna systems providing at least two radiating patterns using two or more primary active elements in the focal region of a focusing device
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7143096A FR2177432B1 (fr) | 1971-12-01 | 1971-12-01 | |
US00307555A US3828349A (en) | 1971-12-01 | 1972-11-17 | Stacked beam radar |
IT54324/72A IT973761B (it) | 1971-12-01 | 1972-11-28 | Perfezionamenti ai radar a piu fasci |
NL7216182A NL7216182A (fr) | 1971-12-01 | 1972-11-29 | |
GB5543372A GB1390216A (en) | 1971-12-01 | 1972-11-30 | Multibeam radars |
JP47119945A JPS5911876B2 (ja) | 1971-12-01 | 1972-12-01 | 積重ねビ−ム・レ−ダ |
DE2258992A DE2258992C2 (de) | 1971-12-01 | 1972-12-01 | Radarantennensystem mit gestaffelten Strahlungskeulen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7143096A FR2177432B1 (fr) | 1971-12-01 | 1971-12-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2177432A1 FR2177432A1 (fr) | 1973-11-09 |
FR2177432B1 true FR2177432B1 (fr) | 1977-03-18 |
Family
ID=9086735
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7143096A Expired FR2177432B1 (fr) | 1971-12-01 | 1971-12-01 |
Country Status (7)
Country | Link |
---|---|
US (1) | US3828349A (fr) |
JP (1) | JPS5911876B2 (fr) |
DE (1) | DE2258992C2 (fr) |
FR (1) | FR2177432B1 (fr) |
GB (1) | GB1390216A (fr) |
IT (1) | IT973761B (fr) |
NL (1) | NL7216182A (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5497397A (en) * | 1978-01-19 | 1979-08-01 | Nec Corp | Formation method of radar beam |
FR2458819A1 (fr) * | 1979-06-12 | 1981-01-02 | Thomson Csf | Tete hyperfrequence d'emission et de reception simultanees, emetteur-recepteur en ondes millimetriques et radar utilisant une telle tete |
FR2511196A1 (fr) * | 1981-08-07 | 1983-02-11 | Thomson Csf | Ensemble d'antennes principale et auxiliaires a balayage electronique et radar comportant un tel ensemble |
JPS6027867A (ja) * | 1983-07-25 | 1985-02-12 | Nec Corp | 空中線装置 |
GB2250153B (en) * | 1984-09-24 | 1992-10-14 | Siemens Ag | Methods of and systems for discovering hovering helicopters |
JPH0328059Y2 (fr) * | 1986-04-01 | 1991-06-17 | ||
JPH0313505Y2 (fr) * | 1986-04-30 | 1991-03-27 | ||
US6639566B2 (en) * | 2001-09-20 | 2003-10-28 | Andrew Corporation | Dual-polarized shaped-reflector antenna |
US20040100402A1 (en) * | 2002-11-26 | 2004-05-27 | Mccandless Jay | Broadband CSC2 antenna pattern beam forming networks |
US7046190B2 (en) * | 2003-07-25 | 2006-05-16 | Raytheon Company | Process for phase-derived range measurements |
US6977610B2 (en) | 2003-10-10 | 2005-12-20 | Raytheon Company | Multiple radar combining for increased range, radar sensitivity and angle accuracy |
US7038615B2 (en) * | 2003-10-10 | 2006-05-02 | Raytheon Company | Efficient technique for estimating elevation angle when using a broad beam for search in a radar |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2619635A (en) * | 1950-06-19 | 1952-11-25 | Herman N Chait | Arbitrarily polarized antenna system |
US3311913A (en) * | 1952-10-21 | 1967-03-28 | Arthur A Varela | Height finding radar system |
US3274593A (en) * | 1953-03-26 | 1966-09-20 | Arthur A Varela | Height finding radar system |
US3016531A (en) * | 1955-03-14 | 1962-01-09 | Sperry Rand Corp | Antenna distribution system |
US3161870A (en) * | 1963-05-06 | 1964-12-15 | Peter H Pincoffs | System for increasing the detection range of a group of search radars |
US3384890A (en) * | 1965-10-07 | 1968-05-21 | Army Usa | Variable aperture variable polarization high gain antenna system for a discrimination radar |
FR1602221A (fr) * | 1968-12-18 | 1970-10-26 |
-
1971
- 1971-12-01 FR FR7143096A patent/FR2177432B1/fr not_active Expired
-
1972
- 1972-11-17 US US00307555A patent/US3828349A/en not_active Expired - Lifetime
- 1972-11-28 IT IT54324/72A patent/IT973761B/it active
- 1972-11-29 NL NL7216182A patent/NL7216182A/xx not_active Application Discontinuation
- 1972-11-30 GB GB5543372A patent/GB1390216A/en not_active Expired
- 1972-12-01 DE DE2258992A patent/DE2258992C2/de not_active Expired
- 1972-12-01 JP JP47119945A patent/JPS5911876B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2258992A1 (de) | 1973-06-14 |
NL7216182A (fr) | 1973-06-05 |
DE2258992C2 (de) | 1982-06-09 |
FR2177432A1 (fr) | 1973-11-09 |
JPS4865891A (fr) | 1973-09-10 |
IT973761B (it) | 1974-06-10 |
GB1390216A (en) | 1975-04-09 |
US3828349A (en) | 1974-08-06 |
JPS5911876B2 (ja) | 1984-03-19 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |