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The Data Fuse Technology Study for the Multi-Platform Positioning System

Author: ZhuangZuo
Tutor: WangYan
School: Harbin Engineering University
Course: Signal and Information Processing
Keywords: Data Fusion Multi-platform positioning The orientation - Delay positioning
CLC: TP202
Type: Master's thesis
Year: 2011
Downloads: 49
Quote: 0
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Abstract


With the development of sensor technology , communications technology and signal processing technology , multi- sensor data fusion technology has been a high degree of attention and a wide range of applications . In this paper, the actual project background , data fusion technology in multi-platform positioning system to do the research . A multi-platform positioning system concurrently with passive localization of noise and pulse reconnaissance, targeting capabilities, is used to measure the geodetic coordinates of the target into the water point and into the water of the underwater vehicle trajectory . Papers in the analysis of the definition of data fusion , the level of technical methods and advantages for system tasks and design requirements , consider the system to detect a target azimuth and delay the two types of data information , mainly on the standardization of data , information fusion filtering Torquay time and space associated meta-data fusion , the pulse pick the expert system and the positioning results weighted fusion data fusion technology research and use . In addition , there are a lot of multi-platform positioning system - based data redundancy In this paper, we consider the orientation information and delay information unite double standard Array model , design and positioning algorithm derived orientation - delay azimuth and delay detection error Cramer-Rao lower bound based on the method of simulation , the positioning accuracy to meet the requirements , application engineering practice . This article through the processing of the experimental data and the use of test data for each fusion method validation show that the the various fusion method is feasible and effective system functionality .

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