本文選題：磁帶 + 地震數(shù)據(jù)�。� 參考：《電子科技大學(xué)》2013年碩士論文

【摘要】：隨著科技的發(fā)展，計(jì)算機(jī)網(wǎng)絡(luò)技術(shù)、可視化技術(shù)和數(shù)據(jù)管理技術(shù)已經(jīng)成為推動(dòng)很多領(lǐng)域發(fā)展的關(guān)鍵技術(shù)，尤其在地震勘探行業(yè)，對(duì)這些計(jì)算機(jī)技術(shù)的需求更為迫切。通過(guò)利用可視化技術(shù)對(duì)地震資料進(jìn)行解釋分析，利用網(wǎng)絡(luò)環(huán)境下的并行處理技術(shù)和數(shù)據(jù)管理技術(shù)將大大提高地震資料管理效率。在油氣地震勘探領(lǐng)域中，野外儀器采集的大量數(shù)據(jù)通常都存儲(chǔ)在磁帶介質(zhì)上，需要運(yùn)送到數(shù)據(jù)處理中心后再對(duì)它們進(jìn)行處理和分析。磁帶資源管理系統(tǒng)作為處理地震資料第一環(huán)節(jié)的軟件工具，對(duì)后續(xù)地震數(shù)據(jù)分析處理工作起著關(guān)鍵作用。 本文在對(duì)磁帶設(shè)備管理方法、磁帶數(shù)據(jù)解編技術(shù)、地震數(shù)據(jù)可視化技術(shù)和QT編程進(jìn)行理論研究的基礎(chǔ)之上，從野外勘探環(huán)境和室內(nèi)局域網(wǎng)環(huán)境這兩種實(shí)際應(yīng)用場(chǎng)景出發(fā)，將該系統(tǒng)設(shè)計(jì)為單機(jī)部分和網(wǎng)絡(luò)部分，并詳述其實(shí)現(xiàn)原理。論文的主要內(nèi)容如下： 1、在單機(jī)部分實(shí)現(xiàn)中，針對(duì)野外無(wú)法處理磁帶數(shù)據(jù)問(wèn)題，實(shí)現(xiàn)了磁帶操作接口庫(kù)。利用Linux系統(tǒng)調(diào)用、SCSI驅(qū)動(dòng)程序和緩存中解析磁帶數(shù)據(jù)的方法，提供磁帶控制操作、地震數(shù)據(jù)讀取和磁帶數(shù)據(jù)解編接口。使用多線程機(jī)制和借鑒命令模式對(duì)該系統(tǒng)單機(jī)部分的主要交互界面—操作員控制臺(tái)進(jìn)行框架設(shè)計(jì)，調(diào)用磁帶操作接口庫(kù)實(shí)現(xiàn)磁帶的控制、讀寫和解編等操作，并利用wiggle曲線圖繪制和正振幅填充方法實(shí)現(xiàn)磁帶上SegD格式和磁盤上SegD、SegY、GM和SU格式地震數(shù)據(jù)文件的二維顯示。 2、在網(wǎng)絡(luò)部分實(shí)現(xiàn)中，針對(duì)室內(nèi)局域網(wǎng)環(huán)境下無(wú)法管理遠(yuǎn)程磁帶機(jī)的問(wèn)題，利用C/S模型和組件編程，設(shè)計(jì)并實(shí)現(xiàn)了主控服務(wù)器、管理員控制臺(tái)、磁帶設(shè)備代理程序和操作員控制臺(tái)四個(gè)組件以及通信協(xié)議，其中操作控制臺(tái)在單機(jī)部分基礎(chǔ)上增加網(wǎng)絡(luò)通信功能。局域網(wǎng)環(huán)境下四個(gè)組件相互配合通信，，實(shí)現(xiàn)透明訪問(wèn)遠(yuǎn)程訪問(wèn)磁帶設(shè)備的功能。 本文研究的磁帶資源管理系統(tǒng)在實(shí)際應(yīng)用場(chǎng)景下使用，實(shí)踐表明該系統(tǒng)具備實(shí)際的生產(chǎn)能力和較高的靈活性，可在野外勘探環(huán)境和室內(nèi)局域網(wǎng)環(huán)境下推廣使用。
[Abstract]:With the development of science and technology, computer network technology, visualization technology and data management technology have become the key technologies to promote the development of many fields, especially in the seismic exploration industry, the demand for these computer technologies is more urgent. By using visualization technology to interpret and analyze seismic data, parallel processing technology and data management technology under network environment will greatly improve the efficiency of seismic data management. In the field of oil and gas seismic exploration, a large number of data collected by field instruments are usually stored on magnetic tape media, which need to be transported to the data processing center before they are processed and analyzed. As a software tool for the first step of seismic data processing, the tape resource management system plays a key role in the subsequent seismic data analysis and processing. Based on the theoretical research on the methods of tape equipment management, magnetic tape data unmarshalling, seismic data visualization and QT programming, this paper starts from the two practical application scenarios of field exploration environment and indoor LAN environment. The system is designed as single part and network part, and its realization principle is described in detail. The main contents of the thesis are as follows: 1. In the realization of the single machine, the tape operation interface library is realized in view of the problem that the magnetic tape data can not be handled in the field. The Linux system is used to call the SCSI driver and the method to parse the magnetic tape data in the cache to provide the tape control operation, the seismic data reading and the magnetic tape data unmarshalling interface. By using multithreading mechanism and using command mode for reference, the main interactive interface of the single part of the system, the operator console, is designed, and the tape operation interface library is called to realize the tape control, read, write and uncompile, etc. Using wiggle curve drawing and positive amplitude filling method, the two dimensional display of seismic data files in SegD format on magnetic tape and SegDY GM and Su format on disk is realized. 2. In the realization of the network part, aiming at the problem that the remote magnetic tape machine can not be managed in the indoor local area network environment, using C / S model and component programming, the main control server and administrator console are designed and implemented. The four components of the tape device agent and the operator console and the communication protocol, in which the operation console adds network communication function on the basis of the single part. In LAN environment, the four components cooperate with each other to achieve transparent access to remote access tape equipment. The tape resource management system studied in this paper is used in practical application scenarios. Practice shows that the system has practical production capacity and high flexibility, and can be widely used in field exploration environment and indoor LAN environment.
【學(xué)位授予單位】：電子科技大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2013
【分類號(hào)】：TP333.36;TP311.52

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本文編號(hào)：1854910