系統識別號 | U0002-1808200813012500 |
---|---|
DOI | 10.6846/TKU.2008.01235 |
論文名稱(中文) | 氣象觀測微衛星星系設計衛星連結應用分析 |
論文名稱(英文) | Microsatellite constellation design for weather observation with inter-satellite links |
第三語言論文名稱 | |
校院名稱 | 淡江大學 |
系所名稱(中文) | 機械與機電工程學系碩士班 |
系所名稱(英文) | Department of Mechanical and Electro-Mechanical Engineering |
外國學位學校名稱 | |
外國學位學院名稱 | |
外國學位研究所名稱 | |
學年度 | 96 |
學期 | 2 |
出版年 | 97 |
研究生(中文) | 莊傑銘 |
研究生(英文) | Chieh-Ming Chuang |
學號 | 695372788 |
學位類別 | 碩士 |
語言別 | 繁體中文 |
第二語言別 | |
口試日期 | 2008-07-14 |
論文頁數 | 92頁 |
口試委員 |
指導教授
-
洪祖昌
委員 - 陳彥升 委員 - 陳正興 委員 - 賴榮滄 委員 - 林進豐 |
關鍵字(中) |
衛星星系 衛星連結 方位角 |
關鍵字(英) |
constellation inter-satellite links azimuth |
第三語言關鍵字 | |
學科別分類 | |
中文摘要 |
本文為了解台灣鄰近區域國家的氣象雲圖狀況,包括日本、中國大陸等,定義出一個範圍內含有日本以及中國大陸的區域,規劃東經90到150度,北緯0到80度的範圍。我們再畫分出五個地點,分別為北京、成都、海南島、太平島、日本,並且在衛星上加裝GPS酬載,方便判定我們是否到達所要觀測地點通訊範圍。我們模擬Walker參數12/12/0、10/10/0、8/8/0、4/4/0和2/2/0的衛星星系分別在傾角80度、70度和60度時候的衛星連結狀況。比較衛星顆數不同時候,衛星連結接觸時間差異性。若衛星連結無法讓台灣獲得即時資訊,以儲存轉送功能輔助進而達到最大時間節省功能。再利用STK衛星模擬軟體,算出衛星之間的方位角、仰角及距離。分析探討資料數據可以應用在星上天線自動跟蹤功能的設計和應用,以及衛星功率自動調整的設計。 |
英文摘要 |
This paper would like to understand the weather images of countries near Taiwan , including Japan and China , we design the zone that include Japan and China , so we draw up the map from 90°E to 150°E and from 0°N to 80°N.We choose five places: Beijing , Chengdu , Hainan , Itu Aba Island and Japan , we can determine if we reach the communication range by the GPS payload on satellites . We understand the result of inter-satellite links by simulating satellite constellation 12/12/0 , 10/10/0 , 8/8/0 , 4/4/0 and 2/2/0 with the inclination angle 80 deg , 70 deg and 60 deg respectively . Comparing the difference of duration time with inter-satellite links when the amount of satellite are not alike. Adding the capability of store and forward on satellites when inter-satellite links can’t obtain information to Taiwan real time. We calculate azimuth , elevation and distance between two satellites by using STK . To analyze the data we can apply on the tracking system of the satellite’s antenna and the power adjusting of the satellite’s transmitter. |
第三語言摘要 | |
論文目次 |
目錄....................................................III 表目錄...................................................V 圖目錄.................................................VIII 符 號 說 明..............................................X 第一章 序論...........................................1 1-1 前言..............................................1 1-2 研究動機與目......................................5 第二章 衛星軌道參數與地面軌跡............................7 2-1 衛星軌道分類......................................7 2-2 衛星運動基本定律..................................8 2-3 典型軌道參數......................................14 2-4 軌道擾亂..........................................15 2-5 地面軌跡追蹤......................................19 第三章 衛星星系任務設計..................................24 3-1 衛星星系設計目標..................................24 3-1-1 衛星星系任務目標..............................24 3-1-2 衛星星系設計需求..............................25 3-2 目標和衛星的相對幾何關係..........................27 3-3 衛星星系設計......................................29 3-4 衛星星系覆蓋類型..................................33 3-4-1星系覆蓋類型...................................33 3-4-2星系覆蓋類型設計...............................34 3-4-3感測器視野角和CCD覆蓋關係......................36 第四章 衛星連結探討分析..................................40 4-1衛星連結...........................................40 4-2 衛星連結空間幾何關係..............................42 4-2-1 極圓軌道星系..................................42 4-2-2 近極軌道星系..................................45 4-3衛星連結通訊特性...................................48 4-3-1 都普勒頻移效應................................48 4-3-2 自由空間傳播損失..............................49 4-4衛星連結模擬.......................................50 4-4-1 衛星連結應用模擬..............................50 4-4-2 衛星星系儲存轉送功能..........................80 4-5衛星連結模擬結果應用分析...........................83 第五章 結論及未來發展....................................89 參考文獻.................................................90 表目錄 表2-1圓錐形狀相關討論....................................13 表2-2星體zonal係數表.....................................17 表3-1不同特性軌道類型....................................30 表3-2軌道高度(公里)與軌道傾角(度)的關係..................32 表4-1星系參數12/12/0,傾角80度,台灣連結北京時間表.......53 表4-2星系參數12/12/0,傾角80度,台灣連結成都時間表.......53 表4-3星系參數12/12/0,傾角80度,台灣連結海南島時間表.....54 表4-4星系參數12/12/0,傾角80度,台灣連結太平島時間表.....55 表4-5星系參數12/12/0,傾角80度,台灣連結日本時間表.......55 表4-6星系參數10/10/0,傾角80度,台灣連結成都時間表.......56 表4-7星系參數10/10/0,傾角80度,台灣連結海南島時間表.....57 表4-8星系參數10/10/0,傾角80度,台灣連結日本時間表.......58 表4-9星系參數8/8/0,傾角80度,台灣連結成都時間表.........59 表4-10星系參數8/8/0,傾角80度,台灣連結日本時間表........59 表4-11星系參數12/12/0,傾角70度,台灣連結北京時間表......61 表4-12星系參數12/12/0,傾角70度,台灣連結成都時間表......62 表4-13星系參數12/12/0,傾角70度,台灣連結海南島時間表....63 表4-14星系參數12/12/0,傾角70度,台灣連結太平島時間表....63 表4-15星系參數12/12/0,傾角70度,台灣連結日本時間表......64 表4-16星系參數10/10/0,傾角70度,台灣連結成都時間表......65 表4-17星系參數10/10/0,傾角70度,台灣連結海南島時間表....66 表4-18星系參數10/10/0,傾角70度,台灣連結日本時間表......66 表4-19星系參數8/8/0,傾角70度,台灣連結成都時間表........67 表4-20星系參數8/8/0,傾角70度,台灣連結日本時間表........68 表4-21星系參數12/12/0,傾角60度,台灣連結北京時間表......69 表4-22星系參數12/12/0,傾角60度,台灣連結成都時間表......70 表4-23星系參數12/12/0,傾角60度,台灣連結海南島時間表....71 表4-24星系參數12/12/0,傾角60度,台灣連結太平島時間表....72 表4-25星系參數12/12/0,傾角60度,台灣連結日本時間表......72 表4-26星系參數10/10/0,傾角60度,台灣連結成都時間表......73 表4-27星系參數10/10/0,傾角60度,台灣連結海南島時間表....74 表4-28星系參數10/10/0,傾角60度,台灣連結日本時間表......75 表4-29星系參數8/8/0,傾角60度,台灣連結成都時間表........76 表4-30星系參數8/8/0,傾角60度,台灣連結日本時間表........77 表4-31衛星在不同傾角和Walker參數時候平均抵達時間.........78 表4-32最大通訊時間間隙及最小通訊時間間隙.................79 表4-33星系參數2/2/0,傾角80度,衛星連結成都時間表........81 表4-34星系參數2/2/0,傾角80度,衛星連結台灣時間表........81 表4-35無衛星連結以儲存轉送功能輔助最大節省時間...........82 圖目錄 圖2-1衛星軌道類型........................................8 圖2-2軌道-能量關係圖.....................................11 圖2-3橢圓軌道............................................11 圖2-4圓軌道..............................................12 圖2-5衛星軌道分為:圓形軌道,橢圓軌道,拋物軌道及雙曲軌道.13 圖2-6軌道定義參數........................................15 圖2-7升交點退行率與軌道傾角、高度關係圖..................18 圖2-8低軌道地面追蹤......................................20 圖2-9衛星之地面軌跡......................................20 圖2-10衛星升交點經度調整值...............................22 圖3-1衛星涵蓋幾何關係....................................24 圖3-2衛星架構............................................26 圖3-3目標與次衛星點的關係圖..............................28 圖3-4衛星、目標及地球間的關係圖..........................29 圖3-5軌道傾角80度,軌道高度531.9公里之週期軌道...........33 圖3-6衛星CCD最大覆蓋範圍.................................37 圖3-7觀測範圍與FOV關係...................................38 圖3-8不同FOV下拍照範圍半徑與軌道高度之關係...............39 圖4-1衛星連結通訊構想圖..................................40 圖4-2反向軌道及同向軌道..................................43 圖4-3相鄰軌道覆蓋幾何圖..................................43 圖4-4典型衛星覆蓋示意圖..................................44 圖4-5衛星空間幾何圖......................................46 圖4-6衛星仰角及衛星距離..................................47 圖4-7衛星連結都普勒頻移..................................49 圖4-8台灣、日本、成都通訊範圍............................52 圖4-9衛星01→02方位角角度變化關係........................84 圖4-10衛星01→02仰角角度變化關係.........................85 圖4-11衛星01→02距離變化關係.............................85 圖4-12衛星02→01方位角角度變化關係.......................86 圖4-13衛星02→01仰角角度變化關係.........................86 圖4-14衛星02→01距離變化關係.............................87 圖4-15衛星01→02方位角速率變化...........................88 圖4-16衛星02→01方位角速率變化...........................88 |
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