FR2293081A1 - Decoupling of multiple antennae - using antenna receiving no field from antenna having null point - Google Patents
Decoupling of multiple antennae - using antenna receiving no field from antenna having null pointInfo
- Publication number
- FR2293081A1 FR2293081A1 FR7438736A FR7438736A FR2293081A1 FR 2293081 A1 FR2293081 A1 FR 2293081A1 FR 7438736 A FR7438736 A FR 7438736A FR 7438736 A FR7438736 A FR 7438736A FR 2293081 A1 FR2293081 A1 FR 2293081A1
- Authority
- FR
- France
- Prior art keywords
- antenna
- decoupling
- null point
- field
- multiple antennae
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
Landscapes
- Radar Systems Or Details Thereof (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The decoupling technique is for a group of antennae spacing for vehicle installations etc. the techniques is based on a first antenna having a null point in its lobe pattern and a second antennae so placed that the total field it receives from the first is zero. The first antenna has two element groups, arranged about those of the second, which are fed in phase and with equal amplitude signals.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7438736A FR2293081A1 (en) | 1974-11-26 | 1974-11-26 | Decoupling of multiple antennae - using antenna receiving no field from antenna having null point |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7438736A FR2293081A1 (en) | 1974-11-26 | 1974-11-26 | Decoupling of multiple antennae - using antenna receiving no field from antenna having null point |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2293081A1 true FR2293081A1 (en) | 1976-06-25 |
Family
ID=9145258
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7438736A Withdrawn FR2293081A1 (en) | 1974-11-26 | 1974-11-26 | Decoupling of multiple antennae - using antenna receiving no field from antenna having null point |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2293081A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1237225A1 (en) * | 2001-03-01 | 2002-09-04 | Red-M (Communications) Limited | An antenna array |
-
1974
- 1974-11-26 FR FR7438736A patent/FR2293081A1/en not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1237225A1 (en) * | 2001-03-01 | 2002-09-04 | Red-M (Communications) Limited | An antenna array |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES8202957A1 (en) | Acoustic imaging system. | |
GB1392343A (en) | Radio location method | |
NO774365L (en) | RADAR ANTENNA SYSTEM. | |
FR2293081A1 (en) | Decoupling of multiple antennae - using antenna receiving no field from antenna having null point | |
GB1475414A (en) | Direction finder | |
GB1527547A (en) | Scanning beam transmitter | |
GB937105A (en) | Direction-finding apparatus | |
US2471648A (en) | Equisignal radio beacon system | |
GB994752A (en) | Radio navigation system | |
JPS538546A (en) | Circular array antenna | |
US2815507A (en) | Signaling system | |
JPS52106292A (en) | Electric wave angle measurement system | |
JPS54120511A (en) | Reception system for digital multi-frequency signal | |
SU180648A1 (en) | nondirectional television aerial | |
SCHNEITER et al. | Structure and mechanical systems(Design and development of structure and mechanical system of ESRO 1 satellite) | |
CA988205A (en) | Direction-finding antenna system consisting of a plurality of individual antennae | |
GB1523976A (en) | Flat radar antenna | |
COMPTON | Adaptive antenna arrays for aircraft communication systems(Radiation patterns from adaptive loop antenna arrays for aircraft communication systems)[Final Report, 15 Feb.- 15 Aug. 1971] | |
SPITSYN | Investigation of two-channel direction finding in the presence of noise signals against a background of noise interference(Two-channel direction finding with point source emission and spaced antennas reception, investigating cross correlation and background noise interference effects on accuracy) | |
JPS55110968A (en) | Dsb doppler vor | |
NUTTALL | Estimation of noise directionality spectrum(Estimation of noise directionality spectrum directly from cross-spectral matrix of received processes at hydrophone array elements) | |
CALAMIA et al. | Contribution to the radar resolution problem(Radar detection and resolution, discussing computer analysis of interval modulated signal ambiguity properties and synthesis method) | |
Schell | Survey of ground based phased array antennas(Phased array antennas in ground based remote sensor system, assessing technologies of AN/FPS-85, HAPDAR and AP/TPN-19 radar systems) | |
NO145489C (en) | PROCEDURE FOR AA CROSSCUPLE RECEIVED MULTI FREQUENCY SIGNALS IN A PHASE-SEARCH RECEIVER FOR HYPERBEL NAVIGATION SYSTEMS | |
JPS57145407A (en) | Array antenna device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |