發(fā)布時(shí)間：2018-03-25 11:55

  本文選題：漏泄通信　切入點(diǎn)：漏泄電纜　出處：《北京交通大學(xué)》2015年碩士論文

【摘要】：煤礦井下通信在井下安全、生產(chǎn)優(yōu)化、災(zāi)害救援中發(fā)揮著不可替代的作用。研究發(fā)現(xiàn)煤礦漏泄通信是一個(gè)較為可靠的通信方式,它可以為井下通信提供一個(gè)很好的解決方案。原有傳統(tǒng)的煤礦漏泄通信系統(tǒng)存在很多問(wèn)題,包括井下空間無(wú)線通信實(shí)施難度大、存在信號(hào)死角,已有產(chǎn)品應(yīng)用功能單一、難以推廣,以及無(wú)法確保井下生產(chǎn)、安全、調(diào)度等多種數(shù)據(jù)信息的傳輸。 本文對(duì)煤礦漏泄通信系統(tǒng)井下部分設(shè)計(jì)中的雙向中繼放大技術(shù)進(jìn)行了研究,根據(jù)功能需求,分別從硬件和軟件方面對(duì)雙向中繼放大器進(jìn)行了設(shè)計(jì)。在雙向中繼放大器的硬件設(shè)計(jì)上,通過(guò)對(duì)漏泄通信工作原理的研究,對(duì)原有的純模擬電路實(shí)現(xiàn)的雙向中繼放大器進(jìn)行了改進(jìn),設(shè)計(jì)了以數(shù)字信號(hào)處理為基礎(chǔ)的新型的雙向中繼放大器,其包括接收解調(diào)模塊、發(fā)射調(diào)制模塊、微控制器控制模塊和系統(tǒng)電源模塊；實(shí)驗(yàn)測(cè)試結(jié)果表明,該雙向中繼放大器工作穩(wěn)定可靠,達(dá)到了設(shè)計(jì)目標(biāo)。 設(shè)計(jì)了雙向中繼放大器的軟件系統(tǒng),在完成了基礎(chǔ)的初始化配置流程與通信協(xié)議的設(shè)計(jì)之外,還針對(duì)數(shù)字信號(hào)的傳輸特性,專門設(shè)計(jì)了信號(hào)控制系統(tǒng),實(shí)現(xiàn)了信道選擇及校準(zhǔn)、信號(hào)接收強(qiáng)度指示以及輸出功率編程控制；經(jīng)過(guò)仿真調(diào)試,結(jié)果表明該軟件系統(tǒng)運(yùn)行高效穩(wěn)定,達(dá)到了設(shè)計(jì)要求。
[Abstract]:Underground communication plays an irreplaceable role in underground safety, production optimization and disaster rescue. It can provide a very good solution for underground communication. There are many problems in the traditional coal mine leakage communication system, including the difficulty of wireless communication in underground space, the existence of signal dead angle, and the single application function of existing products. Difficult to popularize, and unable to ensure underground production, safety, scheduling and other data information transmission. In this paper, the bidirectional relay amplification technology in the underground part design of mine leakage communication system is studied, according to the function requirement, The bidirectional relay amplifier is designed from the aspects of hardware and software. In the hardware design of bidirectional relay amplifier, the principle of leakage communication is studied. A new type of bidirectional relay amplifier based on digital signal processing is designed, which includes receiving and demodulating module and transmitting modulation module. The experimental results show that the bidirectional relay amplifier works stably and reliably and achieves the design goal. The software system of bidirectional relay amplifier is designed. In addition to the design of the basic initialization configuration flow and communication protocol, the signal control system is specially designed for the transmission characteristics of digital signal. The channel selection and calibration, signal receiving intensity indication and output power programming control are realized, and the simulation results show that the software system runs efficiently and stably and meets the design requirements.
【學(xué)位授予單位】：北京交通大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：TD655

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本文編號(hào)：1663013