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특허 상세정보

Positioning process and system thereof

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) G01S-005/02   
미국특허분류(USC) 701/214 ; 701/207 ; 701/213 ; 342/357 ; 342/422
출원번호 US-0287574 (1999-04-06)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Chan
인용정보 피인용 횟수 : 77  인용 특허 : 1
초록

A positioning method and a system are disclosed for measuring a position of a vehicle on land, air, and space, using measurements from a global positioning system receiver and an inertial measurement unit. In the present invention, an integrated Kalman filter processes the all-available measurements of the global positioning system: pseudorange, delta range, carrier phase, and the solution of an inertial navigation system. The integrated Kalman filter is a multi-mode, robust kalman filter, in which optimal integrated mode is selected based on the measure...

대표
청구항

[ What is claim is:] [1.]1. A positioning system for a vehicle, comprising:a global positioning system (GPS) radio frequency (RF) unit for receiving global positioning system (GPS) radio frequency (RF) signals, amplifying said GPS RF signals and down converting said GPS RF signals into intermediate frequency (IF) signals;a GPS digital signal processing unit for sampling said IF signal and deriving GPS pseudorange, delta range, and carrier phase measurements;an IMU data sampling unit for collecting angular rate and acceleration measurements of said vehicl...

이 특허를 인용한 특허 피인용횟수: 77

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