ES395929A1 - Mejoras en radiofaros. - Google Patents
Mejoras en radiofaros.Info
- Publication number
- ES395929A1 ES395929A1 ES395929A ES395929A ES395929A1 ES 395929 A1 ES395929 A1 ES 395929A1 ES 395929 A ES395929 A ES 395929A ES 395929 A ES395929 A ES 395929A ES 395929 A1 ES395929 A1 ES 395929A1
- Authority
- ES
- Spain
- Prior art keywords
- elements
- network
- radio
- radio navigation
- phase
- 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
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
- G01S1/38—Systems for determining direction or position line using comparison of [1] the phase of the envelope of the change of frequency, due to Doppler effect, of the signal transmitted by an antenna moving, or appearing to move, in a cyclic path with [2] the phase of a reference signal, the frequency of this reference signal being synchronised with that of the cyclic movement, or apparent cyclic movement, of the antenna
- G01S1/40—Systems for determining direction or position line using comparison of [1] the phase of the envelope of the change of frequency, due to Doppler effect, of the signal transmitted by an antenna moving, or appearing to move, in a cyclic path with [2] the phase of a reference signal, the frequency of this reference signal being synchronised with that of the cyclic movement, or apparent cyclic movement, of the antenna the apparent movement of the antenna being produced by cyclic sequential energisation of fixed antennas
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Aerials With Secondary Devices (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4861170 | 1970-10-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES395929A1 true ES395929A1 (es) | 1974-09-01 |
Family
ID=10449258
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES395929A Expired ES395929A1 (es) | 1970-10-13 | 1971-10-11 | Mejoras en radiofaros. |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS5116273B1 (fr) |
DE (1) | DE2150659A1 (fr) |
ES (1) | ES395929A1 (fr) |
FR (1) | FR2110389B1 (fr) |
GB (1) | GB1317298A (fr) |
-
1970
- 1970-10-13 GB GB1317298D patent/GB1317298A/en not_active Expired
-
1971
- 1971-10-11 ES ES395929A patent/ES395929A1/es not_active Expired
- 1971-10-11 DE DE19712150659 patent/DE2150659A1/de active Pending
- 1971-10-12 FR FR7136593A patent/FR2110389B1/fr not_active Expired
- 1971-10-13 JP JP8021571A patent/JPS5116273B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2110389A1 (fr) | 1972-06-02 |
FR2110389B1 (fr) | 1977-01-21 |
JPS5116273B1 (fr) | 1976-05-22 |
AU3391271A (en) | 1973-04-05 |
DE2150659A1 (de) | 1972-04-20 |
GB1317298A (en) | 1973-05-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES280962A1 (es) | Un radiogoniómetro por suma-diferencia | |
IT992801B (it) | Sistema d antenne per due frequenze | |
FR76248E (fr) | Systèmes de réception d'ondes radioélectriques en diversité | |
BR6913339D0 (pt) | Antena de radio de faixa ampla para um receptor montado em veiculos | |
SE391985B (sv) | Radaranordning innefattande skilda sendar- och mottagningsantenner | |
BR7309964D0 (pt) | Antena refletora dupla esferica | |
CH541235A (fr) | Antenne de radar monopulse | |
ES395929A1 (es) | Mejoras en radiofaros. | |
FR1511996A (fr) | Antenne pour récepteur | |
CH468088A (de) | Radar-Richtantennenanordnung | |
ES264885A1 (es) | Perfeccionamientos en sistemas de radionavegación | |
ES413427A1 (es) | Un sistema doppler de radiofaros para la navegacion con filtro angular. | |
AT269228B (de) | Funkmeßgerät, insbesondere tragbares Patrouillen-Radar | |
ES305752A1 (es) | Una instalacion para la emision y la recepcion de micro-ondas. | |
ES255129A1 (es) | Sistema de radiofaro giratorio omnidireccional para localizaciën de objetos | |
ES323627A1 (es) | Perfeccionamientos en radiogoniometros. | |
JPS52125295A (en) | Electromagnetic wave angle measurement system | |
NL160994C (nl) | Radiozendantenne. | |
AU414735B2 (en) | Antenna installation for doppler radio beacon | |
ES152880Y (es) | Antena movil de emision-recepcion radiofonica. | |
FR1456371A (fr) | Antenne de réception d'ondes électromagnétiques | |
ES317778A1 (es) | Una antena de televisiën para ondas decimetricas | |
CA695085A (en) | Omnirange beacon antenna | |
ES305030A1 (es) | Perfeccionamientos en las antenas. | |
CA728323A (en) | One way radio beacon locating system |