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Research and Implementation on Demographic Information Mobile Collection and Transmission

Author: MaChuang
Tutor: YangYongJian
School: Jilin University
Course: Network and Information Security
Keywords: Population Information Communicate Information Hiding LZW LSB
CLC: TP274.2
Type: Master's thesis
Year: 2011
Downloads: 22
Quote: 0
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Abstract


Based build the modern demographic information acquisition system project in Changchun City Public Security Bureau , according to the actual needs of the population identifiable information collected , in order to solve the low efficiency of the current population information collection work , can not guarantee the correctness of the update cycle is long , slow update , work more lag behind other issues , the basis of the telecommunications sector GPRS/3G wireless transmission technology , mobile handheld terminal mobile flexibility with the digitized office efficient, accurate , real-time combine demographic information mobile acquisition system , independently developed . First, the actual demand of the mobile acquisition system from demographic information , conduct a detailed needs analysis , system functions divided on the basis of the needs analysis , software deployment , and runtime environment , design ideas for the overall design , and finally given the design of the overall system work processes. Secondly, the collection of information transmission and transmission security study on the population movement of information acquisition process . Given the practical application of the project design and implementation of the communication model , the combined LSB algorithm to improve the security of information during transmission , given on the LSB algorithm inherent lack of specific improvement program ; combination of the LZW algorithm , to improve the transmission process of transmission efficiency , and improve the algorithm , the transmission service quality optimization for the entire system to make it more applicable to the project , the feasibility of the program . Finally, a summary of the achievements and shortcomings of the entire system , put forward the the secondary development need to improve the direction and focus of the study .

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