FR2291503B1 - - Google Patents
Info
- Publication number
- FR2291503B1 FR2291503B1 FR7534463A FR7534463A FR2291503B1 FR 2291503 B1 FR2291503 B1 FR 2291503B1 FR 7534463 A FR7534463 A FR 7534463A FR 7534463 A FR7534463 A FR 7534463A FR 2291503 B1 FR2291503 B1 FR 2291503B1
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/28—Details of pulse systems
-
- 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
- G01S3/04—Details
- G01S3/043—Receivers
-
- 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
-
- 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
- G01S3/46—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2453904A DE2453904C3 (de) | 1974-11-13 | 1974-11-13 | DME-Bodenstation |
| DE2523504A DE2523504C3 (de) | 1975-05-27 | 1975-05-27 | DME-Bodenstation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2291503A1 FR2291503A1 (fr) | 1976-06-11 |
| FR2291503B1 true FR2291503B1 (US06373033-20020416-M00002.png) | 1981-06-19 |
Family
ID=25767958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7534463A Granted FR2291503A1 (fr) | 1974-11-13 | 1975-11-12 | Procede pour la mesure vectorielle comparative d'impulsions de signaux arrivant approximativement simultanement dans plusieurs postes recepteurs radio |
Country Status (4)
| Country | Link |
|---|---|
| FR (1) | FR2291503A1 (US06373033-20020416-M00002.png) |
| GB (1) | GB1524079A (US06373033-20020416-M00002.png) |
| IT (1) | IT1054367B (US06373033-20020416-M00002.png) |
| NL (1) | NL168948C (US06373033-20020416-M00002.png) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2640758B1 (fr) * | 1988-12-19 | 1992-04-03 | Assistance Tech Etu Realisat E | Radiogoniometre, notamment pour emission u.h.f. pulsee de courte duree, utilisant une voie de reception unique a grande dynamique et a traitement numerique du signal |
| CN112098927B (zh) * | 2020-08-19 | 2022-06-21 | 中国电子科技集团公司第二十九研究所 | 一种基于信号合成的多信道测向方法 |
-
1975
- 1975-10-08 NL NL7511817A patent/NL168948C/xx not_active IP Right Cessation
- 1975-11-07 IT IT2906475A patent/IT1054367B/it active
- 1975-11-12 GB GB4664075A patent/GB1524079A/en not_active Expired
- 1975-11-12 FR FR7534463A patent/FR2291503A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| NL7511817A (nl) | 1976-05-17 |
| GB1524079A (en) | 1978-09-06 |
| NL168948B (nl) | 1981-12-16 |
| FR2291503A1 (fr) | 1976-06-11 |
| NL168948C (nl) | 1982-05-17 |
| IT1054367B (it) | 1981-11-10 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |