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1. (WO2001002874) ANTENNA ATTITUDE DETERMINATION BY AVERAGING GYROS SIGNALS AGAINST PHASE SIGNALS
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/2001/002874 International Application No.: PCT/US2000/018319
Publication Date: 11.01.2001 International Filing Date: 30.06.2000
Chapter 2 Demand Filed: 01.02.2001
IPC:
G01S 5/02 (2010.01) ,H01Q 1/12 (2006.01) ,H01Q 3/06 (2006.01)
G PHYSICS
01
MEASURING; TESTING
S
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
5
Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations
02
using radio waves
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
Q
AERIALS
1
Details of, or arrangements associated with, aerials
12
Supports; Mounting means
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
Q
AERIALS
3
Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system
02
using mechanical movement of aerial or aerial system as a whole
04
for varying one co-ordinate of the orientation
06
over a restricted angle
Applicants: KVH INDUSTRIES, INC.[US/US]; 110 Enterprise Center Middletown, RI 02842, US
Inventors: BENNETT, Sidney, M.; US
PARADIS, Ronald; US
Agent: STUTIUS, Wolfgang, E. ; Patent Group Foley, Hoag & Eliot, LLP One Post Office Square Boston, MA 02109, US
Priority Data:
60/142,30402.07.1999US
Title (EN) ANTENNA ATTITUDE DETERMINATION BY AVERAGING GYROS SIGNALS AGAINST PHASE SIGNALS
(FR) DETERMINATION DE L'ATTITUDE D'UNE ANTENNE PAR MOYENNAGE DU RAPPORT SIGNAL GYRO/SIGNAL PHASE
Abstract:
(EN) A system and a method for determining a satellite antenna attitude are disclosed. Radio signals from a satellite, such as a GPS satellite, are received by a plurality of coupled antenna elements forming an antenna array. Local attitude values of the antenna array and/or the antenna elements with respect to a reference plane are determined using a shaft encoder or gyro, whereas a carrier-phase antenna attitude is determined from the received radio signals. The array and/or array elements are rotated over a predetermined angle and a correction value of the antenna attitude is determined from a time-averaged difference between the local attitude values and the carrier-phase attitude values.
(FR) L'invention porte sur un système et sur un procédé de détermination de l'attitude d'une antenne satellite. Une pluralité d'éléments d'antenne couplés formant une antenne-réseau reçoivent des signaux radio d'un satellite tel qu'un satellite GPS. Les paramètres de l'attitude locale de l'antenne-réseau et/ou des éléments d'antenne par rapport à un plan de référence sont évalués au moyen d'un codeur de position angulaire ou gyro, l'attitude de l'antenne d'après la phase de porteuse étant déterminée à partir des signaux radio reçus. Le réseau et/ou éléments de réseau subissent une rotation d'un angle prédéterminé, et un paramètre de correction de l'attitude d'antenne est calculé à partir d'une différence de moyenne de temps entre les paramètres d'attitude locale et les paramètres d'attitude d'après la phase de porteuse.
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Designated States: CA, JP
European Patent Office (EPO) (AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE)
Publication Language: English (EN)
Filing Language: English (EN)