本文選題：Ka頻段　切入點(diǎn)：高速數(shù)據(jù)傳輸　出處：《上海交通大學(xué)》2014年碩士論文

【摘要】：隨著對(duì)地遙感觀測(cè)衛(wèi)星應(yīng)用需求提高,不但對(duì)地球表面進(jìn)行高分辨率成像,并且能夠穿透植被發(fā)現(xiàn)隱蔽的地下目標(biāo),獲取豐富的陸地及海洋地理信息和軍事情報(bào)。為實(shí)現(xiàn)遙感衛(wèi)星高分辨、寬視場(chǎng)和多途徑的成像能力,載荷提出了6000~11000Mbps的數(shù)據(jù)率需求,而目前X頻段星載數(shù)據(jù)傳輸系統(tǒng)1000Mbps的傳輸能力已無(wú)法滿足上述需求,因此有必要設(shè)計(jì)高頻段的高速數(shù)據(jù)傳輸系統(tǒng)。準(zhǔn)確分析空間傳輸因素、合理規(guī)劃鏈路能量資源和全面分析數(shù)據(jù)傳輸應(yīng)用是保證數(shù)據(jù)高效準(zhǔn)確傳輸?shù)闹攸c(diǎn)。本文根據(jù)理論分析,對(duì)高速數(shù)據(jù)傳輸?shù)目臻g因素和設(shè)備因素進(jìn)行論證,通過(guò)建模仿真,重點(diǎn)對(duì)Ka頻段星地信道品質(zhì)進(jìn)行系統(tǒng)性評(píng)估,為星地空間鏈路各環(huán)節(jié)的設(shè)計(jì)提供依據(jù);根據(jù)衛(wèi)星軌道特點(diǎn),對(duì)數(shù)據(jù)傳輸應(yīng)用進(jìn)行綜合分析,提出適用于某衛(wèi)星Ka頻段高速數(shù)據(jù)傳輸系統(tǒng)的傳輸應(yīng)用方案;依據(jù)工程可實(shí)現(xiàn)性,完成某衛(wèi)星Ka頻段高速數(shù)據(jù)傳輸系統(tǒng)的總體方案設(shè)計(jì),為某系列衛(wèi)星系統(tǒng)的研發(fā)奠定基礎(chǔ)。
[Abstract]:With the increasing demand for Earth remote sensing observation satellite applications, not only high resolution imaging of the Earth's surface has been carried out, but also hidden underground targets can be discovered through vegetation. In order to achieve the high resolution, wide field of view and multi-channel imaging capability of remote sensing satellite, the data rate requirement of 6000~11000Mbps is put forward in order to obtain abundant land and marine geographic information and military information. At present, the transmission capacity of 1000Mbps in X-band spaceborne data transmission system can not meet the above requirements, so it is necessary to design a high-speed data transmission system in high frequency band. Reasonable planning of link energy resources and comprehensive analysis of data transmission applications are the key points to ensure efficient and accurate data transmission. According to theoretical analysis, the spatial and equipment factors of high-speed data transmission are demonstrated in this paper. The systematic evaluation of satellite to ground channel quality in Ka band is emphasized to provide the basis for the design of each link of satellite and ground space link. According to the characteristics of satellite orbit, the application of data transmission is analyzed synthetically. This paper presents an application scheme for a Ka-band high-speed data transmission system of a satellite, and completes the overall scheme design of a Ka-band high-speed data transmission system based on engineering realizability, which lays a foundation for the research and development of a series of satellite systems.
【學(xué)位授予單位】：上海交通大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：TN927.2

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本文編號(hào)：1684018