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The Developing and Applications of Software in Navigation System Ground Station

Author: ShiLeiYu
Tutor: OuGang
School: National University of Defense Science and Technology
Course: Information and Communication Engineering
Keywords: Software Design Design Patterns Ground station system software Satellite navigation system
CLC: TP311.52
Type: Master's thesis
Year: 2007
Downloads: 70
Quote: 1
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Abstract


The core of the ground station is a satellite navigation system operation, control, mainly to complete tasks such as the satellite navigation message injection system, time synchronization, control the main navigation system running. The ground station system software is mainly used for the completion of the monitoring and management of ground station equipment, the control functions of the business operations, plays an extremely important role in the ground station system, the hardware features of each ground station system is coordinated by the system software running. Beidou navigation system, 2 master control station, time synchronization injection station two large-scale ground station software research background, the ground station system software needs, characteristics and difficulties, common analysis, summed up the more general the nature of the ground station system software design methods. First, the paper describes the development process, the advantages of object-oriented technology, and design principles, the definition of software design patterns, elements and role. Then, the paper gives the definition of a ground station system software, and in accordance with the actual function of the ground station system software, summarizes the common ground station system software of the satellite navigation system. Then, the object-oriented techniques and software design patterns theory guidance summarizes the common ground station system software, software design versatility. 1) The paper presents a multi-threaded operating framework applicable to data communications and data processing for the core of the earth station system software design. 2) The paper presents the design of multi-device management mode. Using this mode, the software can be unified in the level of the management of the network node interface, to shield each network node interface implementations on different software can facilitate the effective management of ground station system so that each network node. 3) The paper presents two types of network nodes and the communication mode of the software, the software implementation strategy for each mode. 4) The paper presents a data structure suitable for processing the data of the network node of a ring buffer. The ring buffer is a first-in first-out the logical structure of press-fitted on the structure of the data is defined, the pop-up, it is determined the the legitimate data frame exists operation of the data storage, reading the communication protocol with the network node combined with organic. Finally, the paper discusses in detail the effect of the design method widely used in the software development process in a number of ground station system.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer software > Program design,software engineering > Software Engineering > Software Development
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