JPS5769267A - Antenna apparatus for azimuth measuring apparatus - Google Patents
Antenna apparatus for azimuth measuring apparatusInfo
- Publication number
- JPS5769267A JPS5769267A JP55145753A JP14575380A JPS5769267A JP S5769267 A JPS5769267 A JP S5769267A JP 55145753 A JP55145753 A JP 55145753A JP 14575380 A JP14575380 A JP 14575380A JP S5769267 A JPS5769267 A JP S5769267A
- Authority
- JP
- Japan
- Prior art keywords
- antennas
- phase
- low frequency
- output
- tnwte
- Prior art date
- 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
-
- 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
- G01S3/143—Systems for determining direction or deviation from predetermined direction by vectorial combination of signals derived from differently oriented antennae
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radar Systems Or Details Thereof (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55145753A JPS5769267A (en) | 1980-10-20 | 1980-10-20 | Antenna apparatus for azimuth measuring apparatus |
GB8118458A GB2087186B (en) | 1980-10-20 | 1981-06-16 | Radio direction finder |
DE3125304A DE3125304C2 (de) | 1980-10-20 | 1981-06-27 | Antennensystem für einen Peiler |
FR8113128A FR2492536B1 (fr) | 1980-10-20 | 1981-07-03 | Systeme d'antenne pour indicateur de direction ou radiogoniometre |
KR1019810002612A KR860000330B1 (ko) | 1980-10-20 | 1981-07-18 | 방위측정기의 공중선 장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55145753A JPS5769267A (en) | 1980-10-20 | 1980-10-20 | Antenna apparatus for azimuth measuring apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5769267A true JPS5769267A (en) | 1982-04-27 |
Family
ID=15392353
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55145753A Pending JPS5769267A (en) | 1980-10-20 | 1980-10-20 | Antenna apparatus for azimuth measuring apparatus |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS5769267A (fr) |
KR (1) | KR860000330B1 (fr) |
DE (1) | DE3125304C2 (fr) |
FR (1) | FR2492536B1 (fr) |
GB (1) | GB2087186B (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5045859A (en) * | 1988-09-15 | 1991-09-03 | Aviation Systems Concepts, Inc. | Phase reference navigation system and method |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1094822B (de) * | 1957-11-07 | 1960-12-15 | Dr Maximilian Waechtler | Anordnung zur dreidimensionalen Peilung eines Funksenders |
FR1231865A (fr) * | 1959-04-17 | 1960-10-04 | Radio-goniomètre à indicateur galvanométrique | |
DE977793C (de) * | 1961-05-10 | 1970-05-27 | Telefunken Patent | Verfahren zur Peilung impulsfoermiger Signale |
US3435454A (en) * | 1968-02-01 | 1969-03-25 | Us Army | Electronic servo system |
US4135191A (en) * | 1977-06-13 | 1979-01-16 | The Bendix Corporation | Coherent demodulator |
GB2056812B (en) * | 1979-08-08 | 1984-06-06 | Taiyo Musen Co Ltd | Radio direction finder |
-
1980
- 1980-10-20 JP JP55145753A patent/JPS5769267A/ja active Pending
-
1981
- 1981-06-16 GB GB8118458A patent/GB2087186B/en not_active Expired
- 1981-06-27 DE DE3125304A patent/DE3125304C2/de not_active Expired
- 1981-07-03 FR FR8113128A patent/FR2492536B1/fr not_active Expired
- 1981-07-18 KR KR1019810002612A patent/KR860000330B1/ko active
Also Published As
Publication number | Publication date |
---|---|
GB2087186A (en) | 1982-05-19 |
DE3125304A1 (de) | 1982-05-13 |
FR2492536A1 (fr) | 1982-04-23 |
KR830006831A (ko) | 1983-10-06 |
DE3125304C2 (de) | 1984-08-09 |
GB2087186B (en) | 1984-09-12 |
KR860000330B1 (ko) | 1986-04-09 |
FR2492536B1 (fr) | 1985-11-08 |
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