BE473003A - - Google Patents
Info
- Publication number
- BE473003A BE473003A BE473003DA BE473003A BE 473003 A BE473003 A BE 473003A BE 473003D A BE473003D A BE 473003DA BE 473003 A BE473003 A BE 473003A
- Authority
- BE
- Belgium
- Prior art keywords
- emi
- transmitter
- modulation components
- arrangement according
- signal
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 claims description 18
- 230000005855 radiation Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002242 deionisation method Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
- G01S1/08—Systems for determining direction or position line
- G01S1/14—Systems for determining direction or position line using amplitude comparison of signals transmitted simultaneously from antennas or antenna systems having differently oriented overlapping directivity-characteristics
-
- 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
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
Landscapes
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Aviation & Aerospace Engineering (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Traffic Control Systems (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US257447XA | 1946-05-04 | 1946-05-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE473003A true BE473003A (enrdf_load_stackoverflow) |
Family
ID=21827832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE473003D BE473003A (enrdf_load_stackoverflow) | 1946-05-04 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE473003A (enrdf_load_stackoverflow) |
| CH (1) | CH257447A (enrdf_load_stackoverflow) |
| DE (1) | DE804814C (enrdf_load_stackoverflow) |
| FR (1) | FR946001A (enrdf_load_stackoverflow) |
-
0
- BE BE473003D patent/BE473003A/fr unknown
-
1947
- 1947-04-21 CH CH257447D patent/CH257447A/de unknown
- 1947-04-30 FR FR946001D patent/FR946001A/fr not_active Expired
-
1948
- 1948-12-29 DE DEP27704A patent/DE804814C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR946001A (fr) | 1949-05-20 |
| DE804814C (de) | 1951-04-30 |
| CH257447A (de) | 1948-10-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2834664B1 (fr) | Radar à faible probabilité d'interception | |
| EP0415818A1 (fr) | Commande de pointage pour système d'antenne à balayage électronique et formation de faisceau par le calcul | |
| WO1991009435A1 (fr) | Antenne iff aeroportee a diagrammes multiples commutables | |
| CA1283972C (fr) | Systeme d'antenne adaptatif pour ondes radioelectriques, notamment d'hyperfrequences | |
| CH230989A (fr) | Installation pour la détection d'obstacles. | |
| EP0493255B1 (fr) | Système de protection d'un équipement électronique | |
| FR2512281A1 (enrdf_load_stackoverflow) | ||
| WO1999056347A1 (fr) | Appareil de poursuite de satellites a defilement | |
| BE473003A (enrdf_load_stackoverflow) | ||
| FR2805684A1 (fr) | Systeme de telecommunications a etalement de spectre | |
| EP0083895B1 (fr) | Circuit hyperfréquences remplissant les fonctions de modulateur, de mélangeur et de séparateur émission-réception et dispositifs utilisant un tel circuit | |
| EP0033676A1 (fr) | Antenne commune pour radar primaire et radar secondaire | |
| FR2598229A1 (fr) | Sonar interferometrique, a large bande et emission comprimee | |
| FR2755796A1 (fr) | Alimentation pour une antenne de radar dans la bande des gigahertz | |
| FR2721756A1 (fr) | Système d'antennes d'émission-réception omnidirectionnel à diversité angulaire et de polarisation. | |
| EP3871001A1 (fr) | Procede d'utilisation d'un sonar actif a large bande spectrale d'emission et systeme sonar | |
| US4280055A (en) | Microwave image converter | |
| EP3685528A1 (fr) | Transmission furtive entre une source à bord d'un satellite ou aéronef et un récepteur éloigné | |
| BE476938A (enrdf_load_stackoverflow) | ||
| FR2743894A1 (fr) | Dispositif de mesure angulaire de la position d'une cible pour radar a impulsions electromagnetiques transitoires et radar en faisant application | |
| FR2702280A1 (fr) | Système d'identification à haut pouvoir discriminant. | |
| WO1991009502A1 (fr) | Procede et dispositif de transmission de signaux video en milieu confine | |
| EP0429349A1 (fr) | Procédé et installation de transmission de signal à large bande à partir d'un équipement mobile | |
| RU2188510C1 (ru) | Способ передачи информации и устройство для его осуществления | |
| CH276291A (fr) | Dispositif de transformation d'impulsions modulées en phase en impulsions modulées en durée. |