BE475392A - - Google Patents
Info
- Publication number
- BE475392A BE475392A BE475392DA BE475392A BE 475392 A BE475392 A BE 475392A BE 475392D A BE475392D A BE 475392DA BE 475392 A BE475392 A BE 475392A
- Authority
- BE
- Belgium
- Prior art keywords
- phase
- frequency
- modulation
- antennas
- beacon
- Prior art date
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
- 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
- G01S1/20—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems
- G01S1/30—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems the synchronised signals being continuous waves or intermittent trains of continuous waves, the intermittency not being for the purpose of determining direction or position line and the transit times being compared by measuring the phase difference
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE475392A true BE475392A (enrdf_load_stackoverflow) |
Family
ID=124089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE475392D BE475392A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE475392A (enrdf_load_stackoverflow) |
-
0
- BE BE475392D patent/BE475392A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10623105B2 (en) | Asynchronous bias control for an optical modulator using a multiple tone detection technique with phase correction | |
| WO1993006677A1 (fr) | Procede de transmission numerique et recepteur a conversion directe | |
| FR2648570A1 (fr) | Dispositif et procede pour mesurer l'azimut et le site d'un objet | |
| JPH085743A (ja) | 測量用装置 | |
| FR2548467A1 (fr) | Radar a antenne reseau commandee en phase a reglage optique | |
| FR2811768A1 (fr) | Procede et appareil de modulation de frequence | |
| FR2541533A1 (fr) | Oscillateur variable en phase et en frequence | |
| FR2565372A1 (fr) | Systeme de guidage terminal ou de recalage de position pour aeronef par mesures de distance | |
| EP0258072B1 (fr) | Procédé et appareil de radiogoniométrie à modulation de fréquence par effet Doppler | |
| BE475392A (enrdf_load_stackoverflow) | ||
| FR2465233A1 (fr) | Appareil de determination de gisement a radar ultrasonore | |
| CH267144A (fr) | Installation de radionavigation. | |
| EP0163346B1 (fr) | Système de guidage terminal ou de recalage de position pour aéronef par mesures de distance et d'angle | |
| FR2544858A1 (fr) | Capteur de vitesse de rotation a laser en anneau | |
| WO2017046279A1 (fr) | Procédé et système d'estimation d'attitude d'un satellite au moyen de mesures effectuées par des stations sol | |
| CH275842A (fr) | Installation de balise radioélectrique. | |
| FR2460050A1 (fr) | Systeme de transmission hyperfrequence de donnees numeriques | |
| EP4078227B1 (fr) | Procédé de mesure doppler pour dispositif radar multistatique, dispositif radar mettant en oeuvre un tel procédé | |
| EP0256944B1 (fr) | Banc de mesure pour liaison hertzienne à large bande | |
| CA2123266A1 (fr) | Systeme de poursuite destine a estimer l'erreur de pointage d'une antenne hyperfrequence | |
| EP0184486A1 (fr) | Procédé de radiogoniométrie interférométrique, et radiogoniomètre pour la mise en oeuvre de ce procédé | |
| BE475934A (enrdf_load_stackoverflow) | ||
| JPS5971028A (ja) | 光位相変調装置 | |
| FR2731802A1 (fr) | Dispositif de brouillage radar par reponse en polarisation croisee | |
| BE482050A (enrdf_load_stackoverflow) |