水利移民實(shí)物指標(biāo)數(shù)據(jù)移動(dòng)采集系統(tǒng)設(shè)計(jì)與實(shí)現(xiàn)
[Abstract]:The physical index data of water conservancy migrants is the data basis and factual basis of the water conservancy migration work, its data amount is large, the kinds are complicated, the data need to be collected and analyzed in the early stage, and there is also the management demand in the later stage. The existing data acquisition and management system of physical indicators is difficult to locate, measure and record. In the field work environment, high mobility, portability and poor user experience are more likely to bring about the problems of high cost and low data timeliness. In order to improve the work efficiency and reduce the production cost, based on the analysis of the existing data acquisition technology and the characteristics of the migration data, this paper studies the migration data collection and transmission in mobile environment. It is divided into two aspects: data acquisition flow design and data transmission in mobile environment. 1. The purpose of the design of migration data acquisition flow oriented to mobile devices is to define the relationship between different stages of investigation, to point out the method and direction for further data acquisition, and to change the traditional working mode of migration data collection. 2. The purpose of this study is to optimize the transmission of physical index data in mobile environment. In the aspect of data transmission strategy, four priority-based data transmission strategies are proposed based on the priority idea of real-time data processing transactions, and combined with the data characteristics and transmission characteristics. Finally, a hybrid transmission strategy is proposed. In the aspect of data transmission efficiency, the data transmission based on RESTful style ProtoBuf format is realized, and the transmission efficiency is improved. Finally, combining with GIS technology, wireless positioning and wireless communication technology, this paper integrates the data acquisition process into the system construction, establishes the Mobile-Server architecture which is easy to deploy and manages, and designs and implements the prototype system. In order to meet the urgent need of data collection of water conservancy migrants.
【學(xué)位授予單位】:浙江大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2013
【分類號(hào)】:D632.4;P208;TP274.2
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