本文選題：GSM模塊　切入點(diǎn)：STM32　出處：《哈爾濱工程大學(xué)》2014年碩士論文

【摘要】：在如今21世紀(jì)的信息化時代,互聯(lián)網(wǎng)的地位對于人們來說越來越重要�？梢哉f大數(shù)據(jù)的時代已經(jīng)到來,大數(shù)據(jù)和云計算的出現(xiàn)加速推動了無線通信技術(shù)的發(fā)展,而對于電信運(yùn)營商們來說,這無疑是一個轉(zhuǎn)型發(fā)展的機(jī)會。海洋作為新世紀(jì)的一個熱點(diǎn)研究領(lǐng)域,為海洋開發(fā)、水聲通信等技術(shù)的發(fā)展提供了良好的契機(jī)。然而,隨著水下作業(yè)工作及水下運(yùn)動休閑活動的普及,如何溝通水下和水上用戶成為一個潛在的用戶熱點(diǎn)需求。本文研究將陸地?zé)o線通信已有成熟發(fā)展的GSM技術(shù)與水聲通信技術(shù)相結(jié)合,采用結(jié)合現(xiàn)成品設(shè)計開發(fā)的形式,設(shè)計并實(shí)現(xiàn)一個利用商業(yè)GSM模塊,應(yīng)用ARM+DSP雙處理器控制方式的單工通信的通信轉(zhuǎn)發(fā)器。該轉(zhuǎn)發(fā)器主要包括信號控制傳輸單元、語音信號調(diào)制單元和接收端的解調(diào)單元,用于驗(yàn)證手機(jī)語音信號經(jīng)轉(zhuǎn)發(fā)器傳至水下作業(yè)人員無線通信的無縫連接的可行性。本文首先對信號控制部分中的ARM主控制器STM32F103VET6以及商業(yè)GSM模塊GTM900B和錄音模塊ISD1700進(jìn)行介紹,并完成對ARM控制部分的硬件電路設(shè)計,著重對信號控制部分的程序進(jìn)行了設(shè)計并調(diào)試,實(shí)現(xiàn)將手機(jī)發(fā)射的通話語音信號控制輸出至調(diào)制部分的輸入端。然后介紹了水下語音通信系統(tǒng)的組成,對單邊帶調(diào)制解調(diào)技術(shù)進(jìn)行了理論研究,并通過MATLAB進(jìn)行仿真實(shí)現(xiàn)。介紹了 TMS320VC5509A的片內(nèi)資源的同時,介紹了信號處理部分的硬件電路中的外圍電路設(shè)計和軟件部分設(shè)計。隨后,介紹了接收端PC自帶的聲卡的信號采集原理和程序設(shè)計。之后,給出了本文整個設(shè)計過程中的實(shí)際調(diào)試結(jié)果。在本文最后,將信號控制單元、語音信號調(diào)制單元和接收端解調(diào)單元整合進(jìn)行電聯(lián)調(diào)實(shí)驗(yàn)。對于原語音信號與經(jīng)過調(diào)制解調(diào)后的語音信號進(jìn)行了時頻分析對比,驗(yàn)證了手機(jī)語音信號經(jīng)轉(zhuǎn)發(fā)器傳至水下作業(yè)人員無線通信的無縫連接的可行性。
[Abstract]:In the information age of the 21st century, the status of the Internet is becoming more and more important to people. It can be said that big data's era has come, and the emergence of big data and cloud computing has accelerated the development of wireless communication technology. For telecom operators, this is undoubtedly an opportunity for transformation and development. As a hot research field in the new century, the ocean provides a good opportunity for the development of ocean development, underwater acoustic communication and other technologies. With the popularity of underwater work and underwater sports and leisure activities, How to communicate underwater and water users becomes a potential hot demand of users. This paper studies the combination of GSM technology and underwater acoustic communication technology, which has been mature and developed in terrestrial wireless communication, and adopts the form of combining the design and development of existing products. A communication transponder using commercial GSM module and ARM DSP dual-processor control mode is designed and implemented. The transponder mainly includes signal control transmission unit, speech signal modulation unit and demodulation unit at the receiving end. It is used to verify the feasibility of seamless connection between mobile phone voice signal and underwater operator wireless communication. Firstly, the ARM main controller STM32F103VET6, the commercial GSM module GTM900B and the recording module ISD1700 in the signal control part are introduced in this paper. The hardware circuit of the ARM control part is designed, and the program of the signal control part is designed and debugged. The control of voice signal transmitted by mobile phone to the input of modulation part is realized. Then the composition of underwater voice communication system is introduced, and the technology of single sideband modulation and demodulation is studied theoretically. At the same time, the design of the peripheral circuit and the software part of the signal processing part are introduced, and then, the design of the hardware circuit and the software part of the signal processing part are introduced. This paper introduces the signal acquisition principle and program design of the sound card with PC on the receiving end. After that, the actual debugging results in the whole design process are given. At the end of this paper, the signal control unit is introduced. The speech signal modulation unit and the receiver demodulation unit are integrated to carry out the joint modulation experiment. The time-frequency analysis and comparison between the original speech signal and the speech signal after modulation and demodulation are carried out. The feasibility of seamless communication between mobile phone voice signal and underwater operator is verified.
【學(xué)位授予單位】：哈爾濱工程大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：TN929.3

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