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geodesy

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geodesy n.大地測量學。 astronomical geodes...

n. 大地測量學。 astronomical geodesy天文大地測量學。 “ace geodesy“ 中文翻譯：   空間大地測量“astronomical geodesy“ 中文翻譯：   天文測地學; 天文大地測量學“celestial geodesy“ 中文翻譯：   天球大地測量學; 天文大地測量學“dynamic geodesy“ 中文翻譯：   動力大地測量學; 動態大地測量“elementary geodesy“ 中文翻譯：   初等大地測量學; 普通測量學“ellipsoidal geodesy“ 中文翻譯：   橢球面大地測量學“geodesy and aerophotography“ 中文翻譯：   大地測量學與航空攝影學“geodesy and cartography“ 中文翻譯：   測繪學“geodesy and geodynamics“ 中文翻譯：   大地測量學和地球動力學“geodesy and geoinformatics“ 中文翻譯：   大地測量與大地信息學“geodesy anomaly“ 中文翻譯：   大地近點角“geometric geodesy“ 中文翻譯：   幾何大地測量學“geoscopy; geodesy“ 中文翻譯：   測地學“gravimertrical geodesy“ 中文翻譯：   大地重力測量學“gravimetric geodesy“ 中文翻譯：   重力大地測量學“gravimetrical geodesy“ 中文翻譯：   重力大地測量學“heroid geodesy“ 中文翻譯：   球面大地測量學“higher geodesy“ 中文翻譯：   高等大地測量學“inferior geodesy“ 中文翻譯：   初等大地測量學“integrated geodesy“ 中文翻譯：   整體大地測量“intrinsic geodesy“ 中文翻譯：   本征大地測量學“journal of geodesy“ 中文翻譯：   大地測量學雜志“marine geodesy“ 中文翻譯：   海洋大地測量學“mathematical geodesy“ 中文翻譯：   數理測量學“geodesist“ 中文翻譯：   大地測量工作者“geodesicgeodetic“ 中文翻譯：   測地學的

The literal meaning of “ geodesy “ is “ dividing the earth “ “大地測量學”的字面意義是“劃分地球” 。

geodetic

The study includes the hole color tv imagery system for drill hole , even - pole bore - hole acoustic system and acoustic meter , bore - hole multi - point consolidation apparatus , the quick camera computer - aid image for high rocky slope , image technology for layer analysis , safety monitoring technology for the section close to the dam , software for processing and forecasting the slope monitoring data , high precision geodesy monitoring automation system , etc . . all the study results are new , advanced and practical , which has applied in the project and gained the obvious benefits 鉆孔彩色電視孔壁成像系統、直接橫波測井研究偶極子井下聲系和聲波儀、鉆孔多點滲壓儀及壓模系統、巖質高邊坡快速攝像微機地質素描成圖、層析成像技術、近壩庫段安全監測技術、邊坡監測數據處理預報軟件研究、高精度大地測量監測自動化系統等項目，研究成果內容新、先進、實用，已在工程中應用，效益顯著。

This thesis deals with the following results with regard to the control systems of satellite : ( 1 ) on the basis of global geometry theory , deprive the representation of state equation for the satellite orbit control system under the geometric restraint , show that the geometrical structure of geometric restraint affect on satellite orbit control system , and study the connection between the equilibriums state of the control system and the geodesies of the geometric restraint 對于人造衛星控制系統的研究，本論文的主要工作表現在以下幾個方面： ( 1 )基于整體微分幾何理論推導出人造衛星軌道控制系統在幾何約束下的整體化方程，展示了幾何約束條件對人造衛星軌道控制系統的影響。并且討論了具有幾何約束的人造衛星軌道控制系統的平衡態與幾何約束條件之間的關系。

The gwr c032 scg installed at jiufeng geodynamic station , wuhan / china , is the unique instrument not only in china but also in the asian continent . it is undergoing the global geodynamic project ( ggp ) proposed and executed by the committee on the study of the earth ' s deep interior ( sedi ) belonging to the international union of geodesy and geophysics ( iugg ) 武漢九峰地球動力學觀測站的gwrco32超導重力儀是中國也是亞洲大陸唯一的一臺超導重力儀，正承擔由國際大地測量與地球物理聯合會下屬的地球深內部研究小組組織實施的全球地球動力學計劃( globalgeodynamicproject ， ggp ) 。

With the development of space geodesy techniques ( vlbi , llr , slr and gps , et al . ) , the application of classical geodesy and astrometry became less and less in application , but it is indispensability technique in absolute orientation of geodesy , launch of mid and long - distance arms , and in other scientific domains 隨著空間大地測量技術（ vlbi 、 llr 、 slr和gps等）的發展，雖然天文測量在應用上有所減少，但在大地測量的絕對定位和中遠程武器的發射等領域中仍然是不可替代的技術。

Geodezie engineering , spolecnost s rucenim omezenym is well - known not only in praha 5 with geodesy , mapping and digital as well as with assignment , information and field , but also with further offers , like engineering , special and / or industrial plant , consultancy and spot 作為一家靈活的、有經驗的產品供應商為您提供高質量的測地學,圖符、圖、圖形、圖表,制圖、測圖,制圖,地圖,測量功率,計劃、規劃、意圖、打算、提綱、草案,衛星、行星齒輪,航運、航行,工業機械裝置。

Based on tikhonov regularization method and considering sufficiently the practice of geodesy , the main thread of the choice of the regularizer and the determination of the smoothing parameters is grasped and the in - depth research on the ill - posed problems in geodesy is carried out . a framework of the theory and methods of systematically processing the ill - posed problems has been established and tikhonov regularization method has been evolved in this paper 本文基于tikhonov正則化方法和歐吉坤研究員提出的選權擬合的研究思路，充分考慮大地測量實際，抓住正則化矩陣的選取和正則化參數的確定這條主線，對大地測量中的不適定問題進行了深入研究，建立起了一套較系統的不適定問題處理理論及方法的框架，進一步發展了tikhonov正則化方法。

How to analyze the essence , overcome the effect of ill conditioning and obtain more accurate and stable estimation of the unknown parameters are very important in many fields , such as gps surveying data processing , and have been determined as an important studying field in contemporary surveying error theory and engineering data processing by the international association of geodesy ( 1ag ) . the dissertation begins with review of the main history of ill conditioning research 如何針對測量實際，分析測量平差系統病態性的實質、克服或減弱測量平差系統病態性的影響、取得更為準確的參數估值和可靠的平差成果，是當前gps等重大測量工程數據處理中所面臨的一個重要課題，它已被國際大地測量協會( iag )確立為現代測量誤差理論及數據處理研究中的一項重要內容。

Airborne gravimetry is applied to rapidly get extensively and precisely well - distributed information of the earth gravity field in order to meet the needs of geodesy , geophysics , oceanography , exploration , space - science and the other fields . airborne gravimetry includes scalar airborne gravimetry and vector airborne gravimetry . scalar airborne gravimetry is used to get the value of the gravity acceleration , and vector airborne gravimetry can get not only the value but also the direction of the gravity acceleration 它可以快速獲取精度良好、分布均勻、大面積的地球重力場信息，而且能夠在一些難以實施地面重力測量的特殊地區如沙漠、冰川、沼澤、原始森林等進行作業，從而能夠滿足大地測量學、地球物理學、海洋學及資源勘探等學科和領域對地球重力場信息的需求，并能為空間科學提供強有力的地球重力場保障。

In order to get this , some useful explorations on how to analysis and solve the problem of the ill - conditioning have been made and several biased estimators have been put forward . in fact , analyzing the essence , overcoming the effect of ill - conditioning and obtaining more accurate and stable parameters estimator is an new task in gps surveying data processing , which have been determined as an important studying field in contemporary surveying error theory and engineering data processing by the international association of geodesy ( iag ) 事實上，分析測量平差系統病態性的實質、克服或減弱測量平差系統病態性的影響、采用有偏估計等方法提高參數估計和平差成果的精度，是當前gps等重大測量工程數據處理中所面臨的一個重要課題，它已被國際大地測量協會( iag )確立為現代測量誤差理論及數據處理研究中的一項重要內容。

The satellite altimetry has developed as a kind of important space geodetic technique since 1970s . the return signals from ocean regions can provide all - weather height information above the sea level repeatedly and accurately . the satellite altimetry has now not only impacted strongly on the field of oceanography and geophysics , but also changed greatly the fact of geodesy 衛星測高作為二十世紀七十年代發展起來的一項空間測量技術，能在全球范圍內全天候、多次重復、準確地提供海洋表面到衛星距離的觀測值，在地球物理學領域和大地測量領域有廣泛的應用。

Stability of geodesies on torus and semi - geodesies on cylinders are discussed in chapter 4 ; the definition of algebraic pattern of filament winding elbows and pattern design method are given in chapter 5 , and this method is able to design the fiber path with uniform coverage 在此基礎上，給出了保證不打滑、不架橋的纏繞幾何模式。第五章研究了纖維纏繞彎管的纖維分布問題? ?代數模式，提出了纏繞彎管的代數模式定義和能均勻覆蓋彎管的設計方法。

Recently , according to the requirements of some important gps research subjects in the fields of geodesy , geophysics , space - physics and navigation in china , we studied systematically how to correcting the effects of the ionosphere on gps , with high - precision and accuracy 根據當前大地測量、地球物理、空間物理和導航等領域的科學研究和工程應用中的若干重要gps科研項目的需要，近年來，我們系統研究了電離層延遲的高精度模擬和改正方法。

Generally , the ill - conditioning problem not only exists in global positioning system ( gps ) data processing , surveying adjustment , observation deformation analysis and geodesy inversion , etc , but also its ill effects are very serious 在gps數據處理、工程控制網平差、形變觀測分析、大地測量反演等測量數據處理領域，系統的病態性問題是常見的，并且病態性的危害作用非常嚴重。

As we know , the ill - conditioning problem is present in data processing of geodesy networks adjustment , gps ( global positioning system ) fast orientation , geodesy inversion and distortional inspecting networks . moreover , its damage is serious 病態性在常規大地測量網平差、 gps快速定位、大地測量反演以及變形監測網的數據處理中是大量存在的，其危害性十分嚴重。

The ill - posed problems include the ill - conditioned and the rank - deficient ones in geodesy , which exist widely in gps data processing , deformation analysis , geodesy inversion , gravity field continuation downward , and so on 大地測量中的不適定問題包括病態問題和秩虧問題，它廣泛存在于gps數據處理、形變分析、大地測量反演、重力場向下延拓等領域。

Applying self - organized theory of complex dynamics system , we have synthetically studied the observational results of present - day crustal movement from contemporary geodesy ( gps and earthquake crustal deformation ) in recent 40 years 摘要應用復雜動力學系統自組織理論，綜合研究了近40年現代大地測量學（地震地形變及gps ）對現今地殼運動的觀測結果。

An international team of scientists , working under the auspices of the f ? mi satellite geodesy observatory , hungary , has designed the gedex , for the purpose of exploring the feasibility of the geodetic applications of svlbi Misgo )的資助下,一個國際的研發小組針對svlbi在大地測量應用的可行性進行了vsop大地測量實驗( gedex ) ( kulkarni等, 1998 ) 。

Some 35 years on , reflectors placed on the lunar surface are still used by scientists interested in geophysics and geodesy ( for example , how the moon ' s gravitational field shifts over time ) 35年來，放置在月球表面的反射鏡依然在使用，一些對地球物理學和測地學感興趣的科學家用它們來研究月球的引力場如何隨時間變化。