FR2624981B1 - Dispositif et procede de radionavigation pour aeronef a voilure tournante - Google Patents
Dispositif et procede de radionavigation pour aeronef a voilure tournanteInfo
- Publication number
- FR2624981B1 FR2624981B1 FR8717930A FR8717930A FR2624981B1 FR 2624981 B1 FR2624981 B1 FR 2624981B1 FR 8717930 A FR8717930 A FR 8717930A FR 8717930 A FR8717930 A FR 8717930A FR 2624981 B1 FR2624981 B1 FR 2624981B1
- Authority
- FR
- France
- Prior art keywords
- radionavigation
- turning aircraft
- aircraft
- radionavigation device
- turning
- 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.)
- Expired - Lifetime
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
-
- 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
- G01S3/52—Systems for determining direction or deviation from predetermined direction using a receiving antenna moving, or appearing to move, in a cyclic path to produce a Doppler variation of frequency of the received signal
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8717930A FR2624981B1 (fr) | 1987-12-22 | 1987-12-22 | Dispositif et procede de radionavigation pour aeronef a voilure tournante |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8717930A FR2624981B1 (fr) | 1987-12-22 | 1987-12-22 | Dispositif et procede de radionavigation pour aeronef a voilure tournante |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2624981A1 FR2624981A1 (fr) | 1989-06-23 |
FR2624981B1 true FR2624981B1 (fr) | 1991-01-18 |
Family
ID=9358162
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8717930A Expired - Lifetime FR2624981B1 (fr) | 1987-12-22 | 1987-12-22 | Dispositif et procede de radionavigation pour aeronef a voilure tournante |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2624981B1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105765399A (zh) * | 2013-12-03 | 2016-07-13 | 波音公司 | 用于发送器位置检测的系统和方法 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0582364A1 (fr) * | 1992-08-05 | 1994-02-09 | International Business Machines Corporation | Antenne haute fréquence pour un hélicoptère |
US6054947A (en) * | 1998-08-28 | 2000-04-25 | Kosowsky; Lester H. | Helicopter rotorblade radar system |
US10439293B2 (en) * | 2017-03-20 | 2019-10-08 | Lockheed Martin Corporation | Antenna systems using aircraft propellers |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1791169A1 (de) * | 1968-09-25 | 1971-11-18 | Telefunken Patent | Antennensystem fuer ein Doppler-Funkfeuer oder einen Doppler-Funkpeiler |
US3550130A (en) * | 1968-11-25 | 1970-12-22 | Bell Aerospace Corp | Passive direction finder |
GB1325012A (en) * | 1970-09-16 | 1973-08-01 | Secr Defence | Radio direction finding apparatus |
US3787862A (en) * | 1971-09-27 | 1974-01-22 | Sperry Rand Corp | Radio direction finder system |
FR2269086B1 (fr) * | 1974-04-26 | 1980-01-04 | Onera (Off Nat Aerospatiale) | |
FR2400714A1 (fr) * | 1977-08-19 | 1979-03-16 | Thomson Csf | Radar de cartographie |
-
1987
- 1987-12-22 FR FR8717930A patent/FR2624981B1/fr not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105765399A (zh) * | 2013-12-03 | 2016-07-13 | 波音公司 | 用于发送器位置检测的系统和方法 |
Also Published As
Publication number | Publication date |
---|---|
FR2624981A1 (fr) | 1989-06-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |
Effective date: 20060831 |