觀測坐標 的英文怎麼說

中文拼音 [guānzuòbiāo]
觀測坐標 英文
observed co-ordinates
  • : 觀名詞1. (道教的廟宇) taoist temple2. (姓氏) a surname
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : Ⅰ名詞1 [書面語] (樹梢) treetop; the tip of a tree2 (枝節或表面) symptom; outside appearance; ...
  • 觀測 : observe; observation; viewing
  1. In the stage of the sun and the moon in sight, azimuth of the sun, the earth and the moon in the spacecraft body coordinate system is simulated. combining the simulated azimuth with the ephemeris of the sun and the moon, the state equation and observation equation are modeled. the initial orbital parameters calculated by least square method are used in orbit state equation to predict spacecraft state and to realize autonomous navigation

    在日月可見階段,模擬日、地、月敏感器量信息,即日、地、月在航天器本體系下的方位信息,結合日月星歷,建立狀態方程及方程,通過最小二乘法得到歷元時刻的軌道狀態初始值,將其代入軌道狀態方程進行自主導航。
  2. In astronomical coordinates ( reference mark is north latitude 43. 9 ), analyzed is the effect of azimuth angular velocity, acceleration and altitude angular velocity, acceleration etc. some formulae were given to compute all correlative quantities. with regard to the course of data processing beforehand, the thesis focuses on outliers eliminating technology because of outlier increasing acutely of high - elevation tracking ( approaches 10 - 20 % )

    觀測坐標系中推導出確定天頂盲區理論范圍公式和滿足過天項跟蹤條件的關系式;在天文系中以長春衛星站(北緯43 . 9 )作為計算基準,分別討論了方位、俯仰方向的角速度、角加速度等對天頂盲區的影響,在理論分析上為解決過天頂跟蹤問題打下了基礎。
  3. Combining the project instance with the use of the approximate adjustment to analyze the deformation, this paper discusses the influence of the net structure of the deformation monitoring network on stability inspection of control points

    摘要討論了變形監網的網形結構對網點穩定性檢驗結果的影響,當網中擬穩點組無法獨立構成網形時,其餘動點的位移將對擬穩點在各周期間的值變化產生影響,致使其點位的穩定性分析結果受到影響。
  4. Because geometry of formation of two satellites is very weak, the solution covariance is very big and unstable in order to resolve this problem, the measurement model was transformed from cartesian coordinate system to sphere coordinate system

    由於雙星編隊星座的幾何結構弱,所以解算參數的協方差不穩定。為了解決這一問題,對量方程進行球變換。
  5. Resection is used to determine the coordinates of an instrument station by performing multiple measurements of points whose coordinate values are known

    後方交會是利用在未知點上對若干已知點進行,獲得的值來計算出未知點的
  6. A reasonable method to adjust observed coordinate value is put forward for total powerstation traverse in this paper. its validity and feasibility are proved by example

    本文依據誤差理論,針對全站儀導線提出了一種合理的對其值進行平差的方法,並用算例驗證了該方法的正確性與可行性。
  7. By means of the transformation from the focal coordinate system to the observation system, we obtained the external normal vector of the focal fault plane expressed in its observation system, and obtained the macrodamage degree of the researched block, which is calculated in dyadic

    由震源系表示的震源斷層面換算到觀測坐標系得到其外法向矢量,可求得研究地塊以地震裂紋密度張量計算的宏損傷度的變化。
  8. It is proposed that the 3d - coordinate method should be used as the solution to the problems caused by narrower construction sites where the traditional methods are not applicable

    摘要針對施工場地狹窄,無法運用傳統方法進行變形的情況下,對深基坑的變形提出了三維法。
  9. Space plate test recommendations for coordinate measuring machines

    量機用空間平臺試驗推薦方法
  10. The program of data processing in determination of percent released of pharmaceutical preparation was developed ; two modules included in this program are connected but independence each other, one module calculate percent released, one module regress equation ; determination of percent released of pharmaceutical preparation, comparison of released curve in one reference frame and modeling mathematics model were realized by running this program. the program of formulation optimization based on artificial neural network was compiled to solve the nonlinear problem in formulation optimization. provided parameters were used to predict the released amount of a set of formulations

    簡便,其計算結果與現有其他程序計算結果基本一致:開發固體制劑體外溶出試驗數據處理程序,程序運行時分為計算累積釋放百分率和優選最佳數學模型兩個相互連接又各自獨立的環節,實現了累積釋放百分率的自動計算,同一系下釋放曲線的直比較,常用數學模型的擬合;開發基於人工神經網路的處方優化系統,解訣處方優化這一多目、非線性優化問題,利用符合擬合精度的訓練結果預給定處方的釋放度,預結果與實驗結果基本相近。
  11. Taking the characteristics of road and bridge engineering into account, this paper makes systematic analysis and study on applications of static gps in data processing of surveying in road and bridge engineering : the feasibility of using single point positioning result as starting point is studied and the influence of it on baseline solution is discussed ; on account that the software provided along with instrument by vendors usually does not support coordinates in the independent engineering coordinates system from gps observations, a simple and effective method is represented for the gps data processing in the independent engineering coordinates system and is programmed. through real examples the method and programs are testified ; from gps surveying the wgs - 84 coordinates are acquired, while in reality coordinates in local coordinate system are needed, so conversion from wgs - 84 coordinates to local coordinates is necessary

    結合路橋工程的特點,對靜態gps在路橋工程式控制制量中的數據處理作了系統的分析和研究: ?對單點定位結果作為起算點的可行性進行了研究,並探討其對基線解算的影響; ?鑒于商家提供的隨機軟體往往不支持利用gps得到工程獨立系中,為工程獨立系gps數據處理提供了一種簡便有效的方法,並編制了相關的處理程序,通過實例驗證,程序是正確的、方法是可行的; ? gps量得到的是wgs - 84,而實用上需要的是地方,因而得把wgs - 84轉換地方
  12. The main task of this paper concentrates on such parts as calibration of measurement sensor, high speed and accuracy image collection and processing, data fusion of different angle of view, visualization of measuring results. to accomplish sensor calibration, a pinhole model of the camera is employed and an equation of a light plane is setup. parameters such as the m array of the pinhole model and the normal vector of the light plane arc acquired through experiment. in image processing, we adopt the template - changing parallel thinning method to improve processing speed and accuracy

    主要研究了攝像機針孔模型的建立及量傳感器的定;圖像的快速高精度的採集和處理,在圖像處理中採用多幀平均演算法,很好地解決了速度和精度之間的矛盾制約;根據旋動理論建立空間變換數學模型,進而建立其不同視角下的量數據融合演算法,生成完整的物體三維數據集合;在vc平臺下編寫三維顯示軟體模塊,完成三維量結果的可視化,實現了三維物體的任意角度的察、任意倍數的放大和縮小、任意方向平移及動畫效果。
  13. The apsp produced abroad is made by numerical controlled machine tool, which has noise level of 71db ( a ), the apsp produced in our country is made in the method of exploratory which has noise level of 73db ( a ) and 75db ( a ). in order to analyze the influence of stator curve to noise, the author used tri - coordinate measuring instrument to measured exactly the inside surface of stator and got the straddling point coordinate, and made curve fitting by using matlab as language and studied the fitting effect and then worked out the equation of stator transition curve in return seeking, then comparied this method with the standard style and made the conclusion : the equation of atator transiting curve of apsp made by numerical controlled machine tool is close to theorical 5 power curve standard style, but compared with it, the stator transiting curve of apsp produced in exploratory has a major error. combining the testing results of noise, one can know that the qualily of stator transition curve play an importance to t he noise of the pump

    國外生產的汽車動力轉向泵是用數控機床加工的,其噪聲值為71db ( a ) ,國內生產的汽車動力轉向泵是用靠模方法加工的,其噪聲值分別為73db ( a )和75db ( a ) ,為了分析定子曲線對泵的噪聲的影響,本人用三量儀對定子內表面進行精密量,獲得定子內表面的離散點,以matlab語言為工具對離散點進行曲線擬合,察擬合效果,然後,用回歸方法求出了定子過渡曲線的方程,並把該方程與理論方程準型進行了比較,得出如下結論:用數控機床生產的汽車動力轉向泵的定子過渡曲線方程非常接近理論5次曲線準型,而用靠模方法加工的汽車動力轉向泵的定子過渡曲線與理論5次曲線準型相比較,則存在著較大的誤差,結合噪聲試結果可知,定子過渡曲線的優劣,對泵的噪聲大小有著重要的影響。
  14. The paper has made detailed observation by the existing apparatus and the field observation stations. based on the image and the vector database of the yutian oasis, the study has obtained the precise coordinates of investigation points by gps technique, and overlapped them with the images. after classifying the images with the maximum likelihood supervised classification method, we import the result into cis software, and analyze the yutian oasis changes about land cover " s quantity, quality and spatial position from 1976 to 2001

    本文利用現有儀器設備和野外網站進行詳細,在建立於田綠洲圖像庫和矢量數據庫的基礎上,運用gps技術取得野外考察樣點的精確並與研究區各時期影像疊加,對影像進行了最大似然法監督分類,並將分類結果轉入gis軟體處理,全面分析了1976年至2001年該綠洲的土地覆蓋類型數量、質量與空間上的變化。
  15. Firstly, the paper introduces the development and application of computer graphics & image technique, discusses the principle and method of cg and digital image processing, such as matrix of the graphic transformation, homogeneous reference frame, sampling and quantization of the image, file format of the image, template operation, etc. secondly the paper introduces the purpose and method of image enhancement processing, explains the each occasion of those methods such as threshold transformation, smoothing processing, sharpening processing, analyzes and contrasts the processing results of object image. thirdly, the paper introduces the method of mathematics morphologic, edge detection and thinning processing, attains character description of image and character dots of the contour. fourthly, the paper processes the coordinate transformation to character dots and basic splines fitting, imports correlative condition to devise meshing line and meshing track

    本文首先介紹了計算機圖形圖像技術的發展與應用情況,對計算機圖形學和數字圖像處理的一些基本理論和方法如圖形變換矩陣、齊次系、圖像采樣和量化、圖像文件格式、模板操作等內容進行了討論:然後對圖像增強處理的目的和方法進行了介紹,對諸如閥值變換、平滑處理、銳化處理等方法的應用場合進行了說明,並對實物圖像的處理結果進行了分析與比較;接下來介紹了數學形態學方法、對增強后的圖像進行邊緣檢的方法和圖像的特徵描述方法,並獲取輪廓的特徵點:隨后對獲取的特徵點進行變換,並進行b樣條曲線擬合,引入相關條件生成齒輪副的嚙合線及嚙合軌跡:最後引入等值線和區域填充表示方法,並以等值線和區域填充的形式對弧齒錐齒輪嚙合模擬的載荷分佈情況進行了直的表示。
  16. A description is made of the problems encountered in gps leveling measurement in this field and countermeasures. as observation of ground subsidence is made through measuring the relative movement of the observation stations, it is proposed to base the subsidence observation on change of geodetic elevation. check is made of the accuracy and reliability of this observation method by citing typical examples

    介紹了gps水準量中的若干問題及其解決方法,結合開采沉陷監需要的是相對變化量的特點,為避免轉換造成的精度損失,提出了開采沉陷中的下沉值可應用大地高的變化量代替的方法,並對其精度及可靠性進行了實例驗證。
  17. This paper makes the feasibility design and study of the dtc ( direct torque control ) system based on analyzing some important parts, such as the arithmetic model of asynchronous motor in - coordinates, the choice of voltage vectors, and flux - linkages models, etc. the research work in this paper is described as follows : 1 analyzing of the dtc theory : material about the development and theory of dtc, the composing of dtc - system are presented in this paper

    本文在詳細分析了定子系下的異步電動機數學模型、電壓空間矢量和磁鏈器的基礎上,利用直接轉矩控制技術,構建了基於dsp的直接轉矩控制系統。論文的主要工作包括以下三個方面: 1直接轉矩理論分析研究:針對直接轉矩控制理論在低速范圍轉矩器和轉速波動等問題,採取了滯環模式切換,矢量細分等改進措施。
  18. A software to process modis data is made in vc + + 6. 0 development environment based on the hdf4 library and the general cartographic transformation package ( gctp ). from which users can extract earth view data of different band or resolution and other ancillary data according to users " demand. it supports most current projection types and can transform projection coordinates forwardly or inversely and can calculate ndvi and evi

    利用vc + + 6 . 0面向對象開發環境,以hdf4庫和gctp投影軟體包為基礎,編寫了modis數據處理軟體,可根據用戶需要提取不同波段和解析度的對地數據以及各種輔助數據,支持目前通用的大部分投影方式,可對投影做正向和逆向變換,能計算ndvi和evi數值等等。
  19. The third chapter involves some problems on attitude determination and integrity ambiguity resolving. using three formation flying satellites for an earth observation as an example, the forth chapter contains some problems about determination of inter - satellite position, attitude and time, by using high precise pseudo - ranging observation onboard pseudolites. the problems are the selecting of coordinate system and independent state parameters, the setting of observation equations, and the conversion of constellation ' s states

    第四章以三星編隊星座為例,討論利用擴展的高精度星間偽距進行星間相對位置、姿態和時間參數確定的一些問題,包括:系、獨立參數的選取、方程的建立和星座狀態的轉換等。
  20. Then opengl graphic libraries are introduced to realize the 3 - d visualization. the process of 3 - d observation is detailedly studied and the transformation formulation of world coordination system and screen coordination system is listed. it ' s the foundation of 3 - d interaction and actualization of 3 - d measurement results

    本文詳細研究了三維察的具體過程,推導了三維物體世界系和設備(屏幕)系之間的轉換關系,為三維交互技術的實現和三維量結果的真實化奠定了基礎。
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