本文關(guān)鍵詞： 天文定位定向 視位置 星表 歷表 歲差章動(dòng) EOP參數(shù) 精度　出處：《解放軍信息工程大學(xué)》2013年碩士論文　論文類型：學(xué)位論文

【摘要】：基于CGCS2000的啟用，天文測(cè)量采用新的測(cè)量系統(tǒng)和測(cè)量方法，與天文定位定向相關(guān)的各種模型參數(shù)也都產(chǎn)生了相應(yīng)變化，論文詳細(xì)研究了這些變化對(duì)天文定位定向的影響。論文主要工作如下： 1.研究了與天文定位定向有關(guān)的時(shí)間系統(tǒng)及坐標(biāo)系統(tǒng)，并清楚地給出了各種時(shí)間以及各坐標(biāo)系之間的轉(zhuǎn)換關(guān)系；介紹了天文定位定向的方法理論，給出了嚴(yán)格的天體視位置的矢量計(jì)算方法。 2.對(duì)JPL歷表進(jìn)行了介紹，，詳細(xì)比較了歷表對(duì)天體視位置的影響；對(duì)不同歷表下，利用恒星進(jìn)行天文定向、測(cè)日定向、測(cè)月定向、以及利用行星進(jìn)行天文定向進(jìn)行了詳細(xì)的比較分析。 3.對(duì)HIP星表進(jìn)行了歷元轉(zhuǎn)換，并編制了適合天文定位定向使用的HIP2000星表；對(duì)星表平位置及視位置進(jìn)行了比較，對(duì)不同的天文常數(shù)系統(tǒng)進(jìn)行了介紹和分析。 4.對(duì)不同星表系統(tǒng)下，塔爾格特法測(cè)定緯度、津格爾法測(cè)定經(jīng)度以及多星近似等高法同時(shí)測(cè)定經(jīng)緯度進(jìn)行了詳細(xì)的比較分析；對(duì)任意性定向和北極星定向進(jìn)行了比較分析 5.研究了歲差章動(dòng)對(duì)天體位置的影響，對(duì)不同的歲差章動(dòng)模型進(jìn)行了比較分析；對(duì)GCRS到ITRS的轉(zhuǎn)換模型和轉(zhuǎn)換方法進(jìn)行了介紹和比較，并比較分析了不同模型方法對(duì)天文定位定向的影響。 6.研究了日長(zhǎng)預(yù)報(bào)和極移預(yù)報(bào)對(duì)經(jīng)緯度和方位角的影響，計(jì)算分析了日長(zhǎng)預(yù)報(bào)誤差和極移預(yù)報(bào)誤差對(duì)天文定位定向的影響；介紹了天文定位定向中使用的極移系統(tǒng)，并比較分析了不同極移系統(tǒng)對(duì)天文定位定向的影響。 7.研究計(jì)算了視恒星參考架之間的關(guān)系，對(duì)實(shí)際的測(cè)量結(jié)果進(jìn)行了比較分析。
[Abstract]:Based on the introduction of CGCS2000, new measurement systems and methods are used in astronomical measurement, and various model parameters related to astronomical positioning and orientation are also changed accordingly. The influence of these changes on astronomical positioning and orientation is studied in detail. The main work of this thesis is as follows:. 1. The time system and coordinate system related to the orientation of astronomical positioning are studied, and the conversion relations between different time and coordinate systems are clearly given, and the method theory of the orientation of astronomical positioning is introduced. A strict vector method for calculating the apparent position of celestial bodies is presented. 2. The JPL altimeter is introduced, and the influence of the altimeter on the apparent position of the celestial body is compared in detail, and the astronomical orientation, the solar orientation and the lunar orientation are carried out under the different ephemeris. In addition, a detailed comparison and analysis of the astronomical orientation of the planets is carried out. 3. The epoch conversion of HIP catalogue is carried out, and the HIP2000 catalog suitable for astronomical orientation is worked out, the horizontal and apparent positions of the catalog are compared, and the different astronomical constant systems are introduced and analyzed. 4. The latitude determination by Targett method, longitude determination by Zinger method and simultaneous longitude and latitude determination by multi-star approximation are compared and analyzed in detail, and the arbitrary orientation and the North Star orientation are compared and analyzed. 5. The influence of precession nutation on the position of celestial bodies is studied, and the different precession nutation models are compared and analyzed, and the conversion model and conversion methods from GCRS to ITRS are introduced and compared. The effects of different model methods on astronomical positioning and orientation are compared and analyzed. 6. The effects of day length forecast and pole shift prediction on longitude, latitude and azimuth angle are studied, the influence of day length prediction error and polar motion prediction error on astronomical positioning orientation is calculated and analyzed, and the polar shift system used in astronomical positioning orientation is introduced. The effects of different polar motion systems on astronomical positioning and orientation are compared and analyzed. 7. The relation between the apparent star reference frame is calculated and the actual measurement results are compared and analyzed.
【學(xué)位授予單位】：解放軍信息工程大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2013
【分類號(hào)】：P128.4

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本文編號(hào)：1511326