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Global high-precision track measurement system

A measurement system and high-precision technology, applied in the field of measurement and control, can solve problems such as low precision, low reliability, and failure to use normally

Inactive Publication Date: 2016-02-10
JIAXING VTINFO TECH CO LTD
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0008] In order to solve the problems of low reliability, low precision and inability to use normally in harsh environments in the existing track measurement system, the present invention proposes a global high-precision track measurement system

Method used

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  • Global high-precision track measurement system

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Embodiment Construction

[0023] The invention provides a global high-precision track measurement system, such as figure 1 As shown, the system consists of two parts, the ground monitoring unit and the airborne measurement unit, among which:

[0024] Ground base station monitoring unit includes: Starfire base station receiver, wireless data transmission radio station, radio power amplifier, monitoring computer, ground station power module, track measurement software, post-processing software;

[0025] The airborne measurement unit mainly includes: Starfire mobile station receiver, wireless data transmission radio station, radio power amplifier, B code generator, airborne control storage unit, airborne power supply, and airborne control software;

[0026] When the global high-precision track measurement system is powered on, each component in the system initializes itself, the Starfire base station and Starfire mobile station receivers search for satellite signals, the wireless data transmission station...

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Abstract

In order to solve the problem that the existing track measurement system is of low reliability and precision and cannot be used normally in harsh environments, the invention provides a global high-precision track measurement system. The global high-precision track measurement system is a set of double-star multi-frequency high-precision measurement system which supports a Starfire star-station differential function and integrates a GPS and a GLONASS. The system comprehensively employs the star-station differential technology, the RTK technology, the GIS technology and the wireless communication technology, measures and records the trajectory, speed, attitude and other real-time information of a mobile carrier, can remotely monitor and analyze the mobile carrier in real time, and is used for evaluating the motion process of the carrier and testing the actual working condition of the carrier. The system has the technical characteristics of high reliability and high precision, satisfies the using demand in harsh environments, and can be widely applied to all kinds of test measurement and control fields. The test accuracy can reach 1cm within 50km and 10cm within the global range, so that the test demands of different flight carriers can be satisfied.

Description

technical field [0001] The invention relates to the field of measurement and control, in particular to a global high-precision track measurement system. Background technique [0002] At present, the aircraft track measurement methods generally have the following types: [0003] (1) Use a single-frequency GPS receiver or airborne avionics equipment to record the flight path of the aircraft for post-event analysis. The accuracy of this measurement method is generally about 15m. The measurement is relatively rough and cannot detect the subtle movements of the aircraft; [0004] (2) Using multi-frequency GPS / GLONASS / Beidou combined satellite receiver, its positioning accuracy is about 2.5m, which can meet the general track measurement requirements, and the position accuracy is average; [0005] (3) The CORS system can provide centimeter-level and decimeter-level positioning accuracy, which can meet the system's high-precision and high-dynamic requirements. Since the CORS syste...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S19/50
Inventor 王猛
Owner JIAXING VTINFO TECH CO LTD
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