本文選題：北斗信息 + 手機(jī)終端��； 參考：《江西理工大學(xué)》2014年碩士論文

【摘要】：隨著衛(wèi)星導(dǎo)航系統(tǒng)的迅速發(fā)展，衛(wèi)星導(dǎo)航終端已經(jīng)深入我們生活的各個(gè)角落，北斗衛(wèi)星導(dǎo)航定位系統(tǒng)集導(dǎo)航定位、授時(shí)用戶監(jiān)測(cè)、短報(bào)文通信于一體。隨著北斗應(yīng)用領(lǐng)域的不斷拓展，人們對(duì)北斗信息的終端技術(shù)要求也越來(lái)越高。中國(guó)導(dǎo)航定位終端的應(yīng)用市場(chǎng)潛力十分巨大，中國(guó)自主研發(fā)的北斗衛(wèi)星導(dǎo)航系統(tǒng)，擺脫了對(duì)國(guó)外衛(wèi)星系統(tǒng)的依賴，同時(shí)打破了美國(guó)GPS技術(shù)的壟斷。因此，北斗信息的手機(jī)終端的應(yīng)用研究具有深遠(yuǎn)意義。 本文首先提出了北斗信息系統(tǒng)的研究背景和意義，對(duì)國(guó)內(nèi)外衛(wèi)星定位及導(dǎo)航現(xiàn)狀做了分析，并闡述了北斗信息系統(tǒng)的定位原理和關(guān)鍵技術(shù)。給出了北斗信息的手機(jī)終端技術(shù)及設(shè)計(jì)方法。該終端主要由射頻單元、基帶單元和顯控單元三部分組成，終端可實(shí)現(xiàn)北斗二代系統(tǒng)的持續(xù)實(shí)時(shí)導(dǎo)航、定位和測(cè)速等功能。北斗信息系統(tǒng)中的基帶單元和顯控單元以藍(lán)牙通信的方式來(lái)實(shí)現(xiàn)，實(shí)現(xiàn)基帶單元與顯控單元之間的無(wú)線互接。射頻單元采用三頻天線，，完成對(duì)北斗無(wú)線電導(dǎo)航衛(wèi)星服務(wù)（RNSS）信號(hào)的接收和無(wú)線電測(cè)定衛(wèi)星服務(wù)（RDSS）信號(hào)的收發(fā)，在數(shù)字信號(hào)處理器(DSP)的控制下，基帶單元采用Bm3005芯片完成對(duì)RDSS信號(hào)的處理，采用BP2007芯片完成對(duì)RNSS信號(hào)的處理�；鶐卧獛в兴{(lán)牙和RS232接口，通過(guò)藍(lán)牙傳輸數(shù)據(jù)給指定的顯控單元，通過(guò)RS232接口可與計(jì)算機(jī)互相傳送數(shù)據(jù)。顯控單元選用S5PV210應(yīng)用處理器為核心的硬件平臺(tái)，S5PV210處理器主頻高達(dá)1GHz，滿足終端系統(tǒng)豐富接口和高性能的運(yùn)算能力需求。 其次本文給出了北斗信息的手機(jī)終端的軟件設(shè)計(jì)。它包括基帶軟件部分和終端顯控軟件部分�；鶐к浖糠植捎没谇度胧狡脚_(tái)的uC/OS-II嵌入式實(shí)時(shí)操作系統(tǒng)�；鶐к浖糠钟胁东@，授時(shí)，采樣，導(dǎo)航電文解析和定位解算功能�；鶐к浖糠衷谔幚硗陮�(dǎo)航數(shù)據(jù)之后，終端顯控軟件部分接收通過(guò)藍(lán)牙傳輸?shù)挠行?shù)據(jù)�；贏ndroid終端顯控軟件有藍(lán)牙功能，在藍(lán)牙驅(qū)動(dòng)下，終端顯控單元與北斗信息基帶單元的藍(lán)牙設(shè)備之間配對(duì)連接成功后，相互傳遞有效數(shù)據(jù)。在藍(lán)牙通信的過(guò)程中，調(diào)用藍(lán)牙API功能函數(shù)來(lái)完成基帶軟件部分和終端顯控軟件部分的通信連接。藍(lán)牙手機(jī)來(lái)顯示和處理數(shù)據(jù)流。 針對(duì)上述設(shè)計(jì)，本文給出了基帶軟件處理后數(shù)據(jù)有效性測(cè)試，介紹了終端顯控軟件界面設(shè)計(jì)，并對(duì)終端顯控軟件測(cè)試。實(shí)現(xiàn)了在戶外當(dāng)沒(méi)有手機(jī)信號(hào)時(shí)，人們可以實(shí)現(xiàn)準(zhǔn)確的導(dǎo)航定位和相互間發(fā)送短報(bào)文。相比于傳統(tǒng)的衛(wèi)星導(dǎo)航終端，該終端具有良好的可操作性和實(shí)用性，便于攜帶和高性價(jià)比將使它在未來(lái)民用市場(chǎng)獲得較好的經(jīng)濟(jì)和社會(huì)效益。
[Abstract]:With the rapid development of satellite navigation system, satellite navigation terminal has penetrated into every corner of our life. Beidou satellite navigation and positioning system integrates navigation and positioning, timing user monitoring, short message communication. With the development of Beidou application field, the terminal technology requirement of Beidou information is more and more high. The application market potential of navigation and positioning terminal in China is very great. Beidou satellite navigation system developed by China has got rid of the dependence on foreign satellite system and broken the monopoly of American GPS technology at the same time. Therefore, the application research of Beidou information mobile terminal has profound significance. In this paper, the research background and significance of Beidou information system are put forward, and the present situation of satellite positioning and navigation at home and abroad is analyzed, and the positioning principle and key technology of Beidou information system are expounded. The mobile terminal technology and design method of Beidou information are given. The terminal consists of radio frequency unit, baseband unit and display and control unit. The terminal can realize the continuous real-time navigation, positioning and speed measurement of Beidou second generation system. The baseband unit and display control unit in Beidou information system are realized by Bluetooth communication, and the wireless connection between baseband unit and display control unit is realized. The radio frequency unit uses a three-frequency antenna to complete the reception of the Beidou radio navigation satellite service (RNSS) signal and the transceiver of the radio determination satellite service RDSS signal under the control of the digital signal processor (DSP). The baseband unit uses Bm3005 chip to complete the processing of RDSS signal and BP2007 chip to complete the processing of RNSS signal. The baseband unit has Bluetooth and RS232 interfaces, and transmits data to the designated display and control unit through Bluetooth. The data can be transmitted to the computer through the RS232 interface. The main frequency of the S5PV210 processor is as high as 1 GHz, which is a hardware platform with S5PV210 application processor as the core of the display and control unit, which can meet the requirements of rich interface and high performance of the terminal system. Secondly, this paper gives the software design of the mobile terminal of Beidou information. It includes base band software and terminal display control software. The baseband software part adopts uC/OS-II embedded real-time operating system based on embedded platform. Baseband software has capture, timing, sampling, navigation message analysis and positioning solution functions. After processing the navigation data, the terminal display control software part receives the effective data transmitted by Bluetooth. Based on Android terminal display control software has Bluetooth function, under the Bluetooth drive, the terminal display control unit and the Beidou information baseband unit Bluetooth equipment after the match connection successfully, transfers the effective data mutually. In the process of Bluetooth communication, the Bluetooth API function is called to complete the communication connection between the baseband software and the terminal display control software. Bluetooth phone to display and process data streams. In view of the above design, this paper presents the data validity test after baseband software processing, introduces the interface design of terminal display and control software, and tests the terminal display control software. When there is no cell phone signal in the outdoor, people can realize accurate navigation and location and send short message between each other. Compared with the traditional satellite navigation terminal, the terminal has good maneuverability and practicability, and it will gain better economic and social benefits in the civil market in the future because of its portability and high performance-to-price ratio.
【學(xué)位授予單位】：江西理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：TN96.1;TN929.53

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