【摘要】：人口老齡化是人類社會進步的必然產(chǎn)物。隨著老齡人口的比重不斷增加,養(yǎng)老問題將逐步被放大。世界范圍內(nèi)的公共養(yǎng)老和醫(yī)療機構都面臨著巨大壓力,因此有國外學者提出“居家養(yǎng)老”的概念,用以提升老人的生活質(zhì)量并緩解公共資源粥少僧多的現(xiàn)狀。而使“居家養(yǎng)老”落實的一個重要環(huán)節(jié)正是防止老人走失,老人定位系統(tǒng)由此誕生。在中國,老人走失問題尤為嚴重,而且多發(fā)生于偏遠山區(qū)。傳統(tǒng)的老人定位系統(tǒng)多利用GPS進行定位,之后將定位信息通過GPRS/GSM傳輸至遠程服務器,但在部分基站信號無法抵達的偏遠山區(qū)無法適用。而且單GPS定位的精度也難以得到保證�；谏鲜霰尘�,本文設計了一種基于北斗導航和Android平臺的老人定位系統(tǒng),該系統(tǒng)主要包括三個模塊:手持定位終端、作為數(shù)據(jù)后臺的服務器以及作為客戶端的Android應用程序。對于手持定位終端部分,本文選用了BDS/GPS雙模定位芯片進行定位,根據(jù)BDS/GPS聯(lián)合定位原理,雙模定位能在一定程度上提升定位精度。在一般情況下,手持定位終端將定位信息通過GPRS技術傳輸給服務器,但在移動基站信號無法到達的偏遠山區(qū),需要使用北斗導航系統(tǒng)獨有的短報文通信方式傳輸信息。本文提供了一種適用于老人定位系統(tǒng)的短報文通信方案,并驗證了方案的可行性。服務器部分,本文采用阿里云服務器作為硬件基礎,My SQL作為數(shù)據(jù)庫管理系統(tǒng),PHPmyadmin作為遠程數(shù)據(jù)庫交互界面。文中對系統(tǒng)所需的數(shù)據(jù)庫關系表進行了設計,并編寫了相應的PHP腳本程序?qū)?shù)據(jù)庫進行特定的增刪改查操作。Android應用程序部分,本文根據(jù)老人定位系統(tǒng)的需求,設計了應用程序的主要功能模塊。之后配置Android開發(fā)環(huán)境并采用Android Studio編寫代碼。應用程序部分主要工作包括:交互界面的設計、用戶登錄注冊短信驗證碼功能實現(xiàn)、實時定位相關功能實現(xiàn)以及Android網(wǎng)絡編程(與服務器進行數(shù)據(jù)交互)。最后本文對老人定位系統(tǒng)進行了整體測試,主要包括:Android應用程序與服務器端數(shù)據(jù)庫交互測試,實時定位精度檢驗與電子地圖相關功能測試,對短報文通信方案進行傳輸數(shù)據(jù)測試。
[Abstract]:Population aging is the inevitable outcome of the progress of human society. With the increasing proportion of the aged population, the pension problem will be magnified step by step. Worldwide public pension and medical institutions are facing great pressure, so some foreign scholars put forward the concept of "home old-age care", in order to improve the quality of life of the elderly and ease the public resources congee more than the status quo. An important link in the implementation of home-based old-age care is to prevent the elderly from losing, and the elderly positioning system is born. In China, the problem of loss of old people is especially serious, and often occurs in remote mountain areas. The traditional location system for the elderly usually uses GPS to locate, and then transmits the location information through GPRS/GSM to the remote server, but it can not be used in remote mountain areas where some base station signals can not be reached. Moreover, the accuracy of single GPS positioning is difficult to be guaranteed. Based on the above background, this paper designs an elderly positioning system based on Beidou navigation and Android platform. The system mainly includes three modules: handheld positioning terminal, server as data background and Android application as client. For the handheld positioning terminal part, the BDS/GPS dual-mode positioning chip is selected for positioning. According to the principle of BDS/GPS joint positioning, dual-mode positioning can improve the positioning accuracy to a certain extent. In general, the handheld positioning terminal transmits the location information to the server through GPRS technology, but in the remote mountainous area where the mobile base station signal can not be reached, it is necessary to use the short message communication mode which is unique to the Beidou navigation system to transmit the information. This paper provides a short message communication scheme for the elderly location system, and verifies the feasibility of the scheme. In the server part, this paper uses Ali cloud server as the hardware base, My SQL as the database management system, PHPmyadmin as the remote database interactive interface. In this paper, the database relational table required by the system is designed, and the corresponding PHP script program is written to carry out a specific add and delete operation to the database. Part of the Android application program, according to the needs of the elderly location system, The main function modules of the application program are designed. Then configure the Android development environment and use Android Studio to write code. The main work of the application program includes: the design of interactive interface, the realization of the function of user login and registration short message verification code, the realization of real-time location-related function, and the Android network programming (data interaction with server). Finally, the paper tests the elderly location system, including: Android application program and server database interactive test, real-time positioning accuracy test and electronic map related function test. The transmission data of short message communication scheme is tested.
【學位授予單位】：東華大學
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：TP311.52;TN967.1

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