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The Research on AIS Data Processing Technology Based on Embedded Linux System

Author: MaWei
Tutor: ZhangShuFang
School: Dalian Maritime University
Course: Information and Communication Engineering
Keywords: AIS Embedded Systems linux Qt
CLC: TP274
Type: Master's thesis
Year: 2011
Downloads: 77
Quote: 3
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Abstract


Since the 1970s , the development of national ship gradually tends to be large-scale , high-speed , increasing the pressure of the water transport , marine accident which is increasing year by year . Although radar to detect the target , but you can not judge the other name, call sign and operating intent , but also affected by the weather . This requires the development of an able judge each other's position , but also be able to identify each other , for each other heading speed marine communication system , and then judge whether the collision may take evasive action . AIS system came into being since the beginning of the 1990s , under the joint efforts of relevant departments of many international organizations and governments , have been put forward relevant policies and technical standards of the AIS . Today , a variety of AIS equipment is gradually developed and improved, has been installed on a variety of ships . Currently most of the core chip of AIS equipment to be imported from the underlying research AIS data processing technology is necessary . Embedded system has a broad market space , with its rich resources of the system , the flexibility of the application by the users of all ages ; Linux open-source operating system , can be cut portable characteristics . Combine two of AIS data processing in the ARM-Linux system , the specific process is as follows : (1) in accordance with the requirements of the AIS standard on the PC to write and debug parsing AIS ship program for static and dynamic data , using standard the AIS message examples given in the analytical results is displayed on the PC , verify the correctness of the the AIS message analysis program . ( 2) cutting the Linux kernel , so as to satisfy the requirements of AIS data processing and the this kernel porting ARMSYS2410 development board , turn on the PC, AIS data handler transplantation to the development board will parse the results displayed on the PC serial port on the console . (3) introduced in linux Qt, through Qt display interface , the AIS data processing results are displayed on the LCD , thereby forming departing from the independent operation of the PC system . The results of this research has been as assumed Navigation Institute research projects of the China Maritime Safety Administration , part of the contents of the AIS system construction after assessment study \

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Data processing, data processing system
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