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基于SpaceWire的星載智能化數(shù)據(jù)處理器

發(fā)布時(shí)間:2019-05-28 12:03
【摘要】:隨著衛(wèi)星和遙感技術(shù)的發(fā)展,衛(wèi)星上日益增長(zhǎng)的遙感數(shù)據(jù)量和衛(wèi)星的制造成本成為了新的挑戰(zhàn)。本文正是為了應(yīng)對(duì)這些挑戰(zhàn),在擁有多遙感器的遙感衛(wèi)星數(shù)據(jù)處理與傳輸系統(tǒng)中引入高速數(shù)據(jù)傳輸總線(xiàn),這樣不僅能適應(yīng)高數(shù)據(jù)傳輸速率的要求,同時(shí)還可以實(shí)現(xiàn)星上設(shè)備接口的標(biāo)準(zhǔn)化和智能化。 論文首先介紹了目前常用的幾種星載總線(xiàn),包括SFODB總線(xiàn)、IEEE1394總線(xiàn)、PCI總線(xiàn)以及SpaceWire總線(xiàn),經(jīng)過(guò)對(duì)幾種總線(xiàn)進(jìn)行分析和比較,選擇SpaceWire總線(xiàn)做為標(biāo)準(zhǔn)總線(xiàn)接口,并對(duì)SpaceWire網(wǎng)絡(luò)技術(shù)進(jìn)行詳細(xì)介紹。 然后對(duì)星載數(shù)據(jù)處理器的相關(guān)組織(CCSDS組織)和協(xié)議(AOS協(xié)議)進(jìn)行了簡(jiǎn)要的介紹,討論了常規(guī)數(shù)據(jù)處理器面臨的問(wèn)題,通過(guò)引入標(biāo)準(zhǔn)化接口、路由功能、狀態(tài)監(jiān)控功能,構(gòu)建智能化的數(shù)據(jù)處理器,可解決常規(guī)數(shù)據(jù)處理器面臨的問(wèn)題。 論文重點(diǎn)研究了一種基于SpaceWire的星載智能數(shù)據(jù)處理器,詳細(xì)介紹了基于SpaceWire的星載智能數(shù)據(jù)處理器的功能和總體設(shè)計(jì)方案,并對(duì)基于SpaceWire的星載智能數(shù)據(jù)處理器外形結(jié)構(gòu)、內(nèi)部各個(gè)功能模塊進(jìn)行詳細(xì)設(shè)計(jì),并在硬件平臺(tái)上得到驗(yàn)證,說(shuō)明基于SpaceWire的星載智能數(shù)據(jù)處理器滿(mǎn)足各項(xiàng)功能要求。
[Abstract]:With the development of satellite and remote sensing technology, the increasing amount of remote sensing data on satellite and the manufacturing cost of satellite have become new challenges. In order to meet these challenges, this paper introduces a high-speed data transmission bus into the remote sensing satellite data processing and transmission system with multiple remote sensors, which can not only meet the requirements of high data transmission rate. At the same time, it can also realize the standardization and intelligence of the interface of on-board equipment. Firstly, this paper introduces several kinds of satellite-borne buses, including SFODB bus, IEEE1394 bus, PCI bus and SpaceWire bus. After analyzing and comparing several kinds of buses, SpaceWire bus is selected as the standard bus interface. The SpaceWire network technology is introduced in detail. Then the related organizations (CCSDS organization) and protocol (AOS protocol) of on-board data processor are briefly introduced, and the problems faced by conventional data processor are discussed. By introducing standardized interface, routing function and status monitoring function, The construction of intelligent data processor can solve the problems faced by conventional data processor. This paper focuses on a kind of on-board intelligent data processor based on SpaceWire, introduces the function and overall design scheme of on-board intelligent data processor based on SpaceWire in detail, and introduces the configuration and structure of on-board intelligent data processor based on SpaceWire. The internal functional modules are designed in detail and verified on the hardware platform, which shows that the on-board intelligent data processor based on SpaceWire meets the functional requirements.
【學(xué)位授予單位】:西安電子科技大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2013
【分類(lèi)號(hào)】:V446.9;TP336

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