JPS5012717B1 - - Google Patents
Info
- Publication number
- JPS5012717B1 JPS5012717B1 JP44065946A JP6594669A JPS5012717B1 JP S5012717 B1 JPS5012717 B1 JP S5012717B1 JP 44065946 A JP44065946 A JP 44065946A JP 6594669 A JP6594669 A JP 6594669A JP S5012717 B1 JPS5012717 B1 JP S5012717B1
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/04—Multimode antennas
-
- 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
-
- 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
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
- G01S3/14—Systems for determining direction or deviation from predetermined direction
- G01S3/146—Systems for determining direction or deviation from predetermined direction by comparing linear polarisation components
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Waveguide Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US75437368A | 1968-08-21 | 1968-08-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5012717B1 true JPS5012717B1 (en) | 1975-05-14 |
Family
ID=25034510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP44065946A Pending JPS5012717B1 (en) | 1968-08-21 | 1969-08-20 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3560976A (en) |
| JP (1) | JPS5012717B1 (en) |
| DE (1) | DE1942678C3 (en) |
| GB (1) | GB1280841A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018216210A1 (en) * | 2017-05-26 | 2018-11-29 | 三菱電機株式会社 | Polarization separation circuit |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3696434A (en) * | 1971-01-15 | 1972-10-03 | Radiation Inc | Independent mode antenna feed system |
| DE2940928A1 (en) * | 1978-10-11 | 1980-04-24 | Prl Soc | STORAGE HEATER |
| FR2507826A1 (en) * | 1981-06-11 | 1982-12-17 | Thomson Csf | PRIMARY SOURCE WITH REUSE OF FREQUENCIES |
| EP0121612A1 (en) * | 1983-04-01 | 1984-10-17 | ATELIERS DE CONSTRUCTIONS ELECTRIQUES DE CHARLEROI (ACEC) Société Anonyme | Storage heater equipped with a device for controlling the speed of a fan |
| DE3381303D1 (en) * | 1983-06-18 | 1990-04-12 | Ant Nachrichtentech | FOUR-TORCH NETWORK FOR MICROWAVE ANTENNAS WITH MONOPULUS TRACKING. |
| US4864315A (en) * | 1985-11-05 | 1989-09-05 | Itt Avionics | Phased array antenna testing arrangement |
| US4712110A (en) * | 1985-12-26 | 1987-12-08 | General Dynamics, Pomona Division | Five-port monopulse antenna feed structure with one dedicated transmit port |
| US4885593A (en) * | 1986-09-18 | 1989-12-05 | Scientific-Atlanta, Inc. | Feeds for compact ranges |
| US5175555A (en) * | 1991-03-15 | 1992-12-29 | Harris Corporation | Combined radar altimeter, radiometer sensor employing multiport feed horn having blended sidewall geometry |
| US5329285A (en) * | 1991-07-18 | 1994-07-12 | The Boeing Company | Dually polarized monopulse feed using an orthogonal polarization coupler in a multimode waveguide |
| US5870060A (en) * | 1996-05-01 | 1999-02-09 | Trw Inc. | Feeder link antenna |
| GB0405112D0 (en) * | 2004-03-06 | 2004-04-07 | Univ Belfast | Single aperature monopulse antenna |
| US20100238086A1 (en) * | 2009-03-17 | 2010-09-23 | Electronics And Telecommunications Research Institute | Double-ridged horn antenna having higher-order mode suppressor |
| EP4020700A1 (en) * | 2020-12-22 | 2022-06-29 | A.D.S. International S.r.l. | Antenna and antenna system for satellite communications |
-
1968
- 1968-08-21 US US754373A patent/US3560976A/en not_active Expired - Lifetime
-
1969
- 1969-08-14 GB GB40621/69A patent/GB1280841A/en not_active Expired
- 1969-08-20 JP JP44065946A patent/JPS5012717B1/ja active Pending
- 1969-08-21 DE DE1942678A patent/DE1942678C3/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018216210A1 (en) * | 2017-05-26 | 2018-11-29 | 三菱電機株式会社 | Polarization separation circuit |
| JPWO2018216210A1 (en) * | 2017-05-26 | 2019-11-07 | 三菱電機株式会社 | Polarization separation circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1942678B2 (en) | 1979-12-20 |
| US3560976A (en) | 1971-02-02 |
| DE1942678A1 (en) | 1970-05-21 |
| DE1942678C3 (en) | 1980-09-18 |
| GB1280841A (en) | 1972-07-05 |