測地坐標 的英文怎麼說
中文拼音 [cèdezuòbiāo]
測地坐標
英文
geodesic coordinates-
Sea area measurement usually uses gps timely processing the position data for the boundary of sea area, and then calculating the area of anomalistic area
摘要海域面積測算通常使用gps定時測定待測海域邊界位置點的地理坐標,再求取其圍成的不規則區域的面積。Applying the information extracted from numerous hydrographic data of field trials collected by h / hcs - 017, the first set of multi - beam swath bathymeter developed in china, a series of mosaic techniques have been carefully studied in this thesis, including digital terrain model building, statistical error analyzing, hydrographic data mosaicking as well as tides correction and projection of the earth coordinates. finally, standard digital sea - charts and three dimensional seafloor images are successfully developed that are consistent with hydrographic surveying principles
本文利用我國第一臺h hcs ? 017型條帶測深儀的測量數據進行拼圖技術的研究,主要研究的內容有:利用分帶原理對深度數據進行潮汐修正,得到瞬時海面的深度數據;對測深數據進行誤差分析處理,去除野值;將多波束數據進行坐標變換及投影轉換后構建數字地理模型,進而根據海道測量規范繪制標準海圖。Fourth, the paper treats two kinds of hoisting projects of high alititude construction in bulk and member assembly, hositing machine and plan layout, setting up scaffold and joints, and installing trunks, branches and joints etc. then in detail discusses the method which applys total station to measure three - dimensional coordinate of dendriform structure, including selecting survey sign points, creating survey system and converting survey coordinate system etc. the paper also deep research on the welding performance, welding method, welding process, welding stress and control, welding strain and rectification, weld defects analysis and weld quality inspection, and so on complicated heterogeneity steel weld proplems
接著系統的論述了高空散裝法和分單元安裝法兩種樹狀結構吊裝方案,樹狀結構吊裝機械及平面布置,樹狀結構胎架及節點的搭設,以及樹狀結構樹干、樹枝和節點的吊裝工藝等諸多工藝問題。詳細的論述了採用全站儀對樹狀結構進行空間三維坐標測量的方法,包括測量標志點的選取、測量系統的建立及測量坐標的轉換等問題。深入地研究了樹狀結構可焊性、焊接方法、焊接工藝、焊接應力及控制、焊接變形及矯正、焊接缺陷分析及焊接質量檢查等復雜的異種鋼焊接問題。There are over 80 sets test apparatus in tech - innovation centre, including : anechoic chamber, vibration tester, vibration measurement analysis, impact instrument, constant temperature and humidity facilities. salt spary test case, circle insulation withstand voltage tester, insulation resistance tester, withstand voltage tester, electric lead tester, electrical leakage tester, earth resistance tester, chassis dynamometer, chassis dynamometer control system, high stability dc resistance tester, electrical capacity tester, temperature rise test system
中心擁有各類分析測試儀器和試驗裝置80餘臺套,包括:消音室振動臺噪聲振動測試分析系統沖擊儀恆溫恆濕實驗儀鹽霧試驗箱匝間耐壓分析儀絕緣電阻分析儀對地耐壓分析儀泄露電流測試儀對地電阻測試儀測功機測功機控制系統高精度直流電阻測試儀電參數測試儀帶電溫升測試儀復合式三坐標測量儀萬分投影儀及電功測試分析系統等。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、月敏感器測量信息,即日、地、月在航天器本體坐標系下的方位信息,結合日月星歷,建立狀態方程及觀測方程,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。Now, our country is in the term of adjustive phase of carrying out new state standard, those five geometric errors only can be measured one by one with different implements, so it will waste lots of time ; use great effo rt and easily make mistakes
目前,國內企業尚處于執行新國標的適應期。檢測新國標值直線度的五種誤差,每一個坐標運動均需要分別使用線值誤差量具和角值誤差量具一項一項地檢測,耗時,費力,易出差錯。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
由震源坐標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觀損傷度的變化。9. for calculating the variable fertilizing dose, a mathematics model was selected. the model takes account of the yield goal, soil fertility, fertilizer available ingredient content, and the fertilizer using efficient. in the beijing precision agriculture demo farm, the system was used for base map mapping, field boundary map update, soil nutrition map generating, yield map generating, and field basic information management
在北京精準農業示範區,對設計開發的農田地理信息、系統進行了gps測繪、坐標系轉換、電中國農業大學博士學位論文摘要一子地圖更新、土壤采樣規劃、田間信息分布圖與作物產量分布圖生成、農田管理區劃分、目標產量圖生成、變量施肥處方圖生成以及基本信息管理等方面的測試與實際工作。Establishment of another form of geodesic coordinate system on earth ellipsoid
地球橢球面上另一種形式的測地坐標系的建立Advantages of geodesic coordinate system and its application to exact positioning of large cities
測地坐標系的優良性質及其在大城市精密定位中的應用Compute geodesic distance between earth - this function computes the geodesic surface distance between two cordinates on the surface of the earth to an accuracy of about 50 meters
這個函數計算地面上兩個不同坐標之間的測地線距離,精度達到50米。It has some important potential applications in geodesy and geodynamics, including the definition, practical realization, and the interconnection of different reference frames, determining the geocentric positions of vlbi stations, estimation of the gravity field of the earth, and satellite orbit determination using the delay and delay rate observables
它在大地測量和地球動力學方面很有應用潛力,如不同參考框架的定義、實現和相互連接,利用延遲和延遲速率來進行vlbi測站地心坐標的測定,地球重力場的估計和衛星定軌等。A very important one is the intersystem prediction and analysis of electromagnetic compatibility to the radio systems in this electromagnetic environment. this paper presents research on the intersystem prediction and analysis of electromagnetic compatibility to the radio systems positioned by the geographical longitude and latitude coordinate system and the elevation system. it can give assistant solution to the interference among the radio systems so as to avoid functional degradation and even failure after the systems disposed and mounted and the money and time wasting
本文對處于陸上局部區域內的、以經緯度地理坐標系和高程系進行定位的無線電系統間的電磁兼容性預測進行了研究,以對系統間的相互干擾情況作出預測,給解決局部區域中無線電系統間相互干擾問題的方案提供支持,以避免在系統布置、安裝完成之後出現相互干擾情況而使系統性能下降,甚至失效,造成資金和時間的浪費。Abstract : in the light of applied problems of gps achievement, some efficacious transformation methods and their characters from independent coordinate system to the national coordinate system of the town are discussed, and transformation method of 7 towns of liyang is introduced
文摘:結合gps測量成果的應用問題,探討了城鎮地方獨立坐標向國家統一坐標轉換的幾種有效途徑及各自的特點,並介紹了溧陽七個城鎮的坐標轉換方法。Article 8 the state shall establish a nationwide unified geodetic coordinate system, plane coordinate system, vertical system, geocentric coordinate system and gravimetric system, and define the classification of orders and classes and precision of the national geodetic survey, as well as the national basic scale map series and their basic precision
第八條國家建立全國統一的大地坐標系統、平面坐標系統、高程系統、地心坐標系統和重力測量系統,確定國家大地測量等級和精度,以及國家基本比例尺地圖的系列和基本精度。In hydrographic sweeping survey, considering that the surveyed route in design project description is a longer route which is composed of to geodetic coordinates, methods of mercator projection, utm ( universal transverse mercator ) projection and gauss - kruger projection were adopted to eliminate the direction deviation of sweeping survey, and conform to the conventional ay of sweeping survey as well
摘要在海道掃測工作中,考慮到設計任務書中的掃測航路是由兩點大地坐標組成的較長路線,利用墨卡托投影和utm投影及高斯克呂格投影方式既能消除掃測航向的偏差,又能符合常規掃測方法。The position measuring system was another important system in the new balance calibration system. to work out the calibration loads in the bcs of balance with the results of balance position measuring is the key technique to improve the veracity of the balance calibration results
通過天平空間位移測量並將地軸系校準載荷換算到天平體軸測量坐標系后再進行天平校準系數計算,是保證本文所研製的地軸系天平校準系統靜校結果準確性的關鍵技術途徑。This paper discusses how to scientifically employ a geocentric 3d coordinate system in china and analyzes three main scientific problems involved in this regards, i. e. the definition of the system, the geodetic fundamental constants and tidal correction
摘要討論了我國科學地採用地心三維大地坐標系,主要涉及到的該坐標系的定義、採用的大地測量基本常數以及與此有關的潮汐改正等三個問題。2 x included aberration of camera lens, measurement of camera inner position parameter 3 % pre - processing of image including transferring earth coordination to engineering coordination which is approximately level with the object, measurement of camera outer position parameter
即相機物鏡構像畸變的改正、相機內方位元素的測定與外方位元素的改正; 3 、進行影像預處理。包括將大地坐標系轉到與目標面大致平行的工程坐標系;像片外方位元素的的測定; 4 、研究了數字影像處理。In order to match different fields, the current specification ( code ) should be revised by our opinions, especially, in the terms of length of side reconnaissance, length of side calculated by coordinates, and area surveying etc
為了使現行規范更適合不同地區房產測繪的使用,特別在邊長測量、坐標反算邊長和實際測量邊長較差限差的規定以及面積測量的精度要求等方面,提出了自己的觀點。分享友人