高程的 的英文怎麼說
中文拼音 [gāochéngde]
高程的
英文
altimetric-
Cold event deposits were developed in the nantuo formation of the lower sinian and should be continental glacial deposits in a low - latitude and low - altitude area
冷事件沉積產物為下震旦統南沱冰磧層,屬低緯度低高程的大陸冰川沉積。Comparison between gps height and levelling height
高程與精密水準高程的對比分析By contrast, the paper calculated the reliability index of the abutment after changing variable quotiety of the stochastic variable
作為對比,本文還在改變各隨機變量變異系數的前提下,計算了壩肩巖體各高程的可靠指標。In this paper, the main research works are as follows : 1 ) survey and analysis previous work in auv navigation and summarize : as the cumulate error, the dead - reckoning and inertial navigation systems ca n ' t be used without other modified system ; the acoustic navigation system is used only in small range, and is very expensive. 2 ) two important approaches in geophysical navigation techniques are summarized, one is terrain contour based navigation, this approach is investigated keystone today ; the other is image based navigation, due to no perfect image sensors and image seabed map, this approach has seldom been practised. 3 ) two important terrain contour based navigation algorithms has been applied to auv, one is match algorithm - based terrain contour match ( tercom ) ; the other is kalman filter - based sandia inertia terrain - aided navigation ( sitan )
主要研究內容包括:一、總結分析了當前水下導航的常用方法和不足之處,指出基於航位推算的導航方法,存在著最大的問題就是導航誤差的積累問題,如果沒有修正系統,這種方法很難滿足使用要求;其次指出基於聲學的導航方法,造價昂貴,導航范圍有限,難以滿足自主水下航行器大范圍導航的需求;二、總結了當前水下地形輔助導航的主要技術路線,一是基於地形高程的匹配方法,這是當前研究的重點;二是基於地形圖像的匹配方法,由於缺乏良好的圖像傳感器,和可用的海底圖像地圖,目前這種方法還有待研究發展;三、將兩種地形高程匹配的常用方法應用到自主水下航行器上:以相關演算法為前提的地形輪廓匹配( tercom )方法和以卡爾曼濾波為基礎的桑迪亞慣性地形輔助導航( sitan )方法,前者演算法簡單可靠,但是導航精度不高,後者雖然精度比較高,但存在著演算法較為復雜、有可能發散和出現奇異值等問題。Thrust block may bridge the space between the termination of the arch and the foundation rock at the same elevation.
推力墩可以跨在拱腳和同高程的基巖之間。Comparision of the height accuracy obtained from efp bundle adjustment and forward intersection using simulation space photogrammetric data
法光束法平差與直接前方交會計算高程的精度比較A lot of data of elevation in different places of the shallow water of n antong were obtained by fish - exploring machine and gps determining and tide cor recting. an image which reflects landforms of nantong was obtained by selecting f rom the many noaa images on different channels and in different phases. based on the image, grey scales corresponding to different places were obtained. by using c la ssifying liner regression technique, liner regression equations were established between the elevation and grey scale, and the threshold values of grey scales of the different elevations were determined. according to the threshold values, the a reas of the tidal zone above different elevations of the shallow water of nanton g were estimated
通過利用gps及漁探器實測,並進行潮位訂正,獲得南通淺海海域大量測點的高程資料;通過對多時相各通道noaa衛星照片進行篩選,挑選能反映淺海地貌的通道資料,從中讀取各測點相對應的灰度值,在此基礎上利用分級線性回歸,建立不同高程范圍內的高程、灰度線性回歸方程,確定不同高程的灰度閾值,從而測量出南通市淺海海域不同高程以上的潮間帶面積、分佈。By the analysis and study, it is showed that : 1 ) the lower weihe river main channel was at a balanceable state between aggradation and degradation and floodplain of the lower weihe river is a tiny aggradation state before the construction of the sanmenxia dam ; 2 ) the severe aggradation of the lower weihe river bed is mainly caused by the increasing riverbed elevation at tongguan after the construction of the sanmenxia dam ; 3 ) the main reason leading to the increasing riverbed elevation at tongguan is the unreasonable operation of the sanmenxia reservoir ; 4 ) the rate of the riverbed aggradation at tongguan reach and the lower weihe river reach are speeded by adverse condition of incoming water and sediment recently
然後以實測資料為基礎分析研究了三門峽建庫前後潼關高程的變化規律以及渭河下遊河道的沖淤演變規律,分析研究表明:建庫前渭河下游主槽處于動態沖淤平衡狀態,灘地處于微淤狀態;建庫后,渭河下遊河道發生嚴重淤積主要是由於潼關高程的抬升造成的;潼關高程的抬升主要是由於三門峽水庫的不合理運用造成的,近期不利的水沙條件加劇了潼關河床的抬升速度和渭河下游的淤積。In general the accuracy of geoidal heights, as given by spirit leveling, much exceeds that of any other system.
一般說來,水準測量測出的大地水準面高程的精度,遠遠超過任何其它方法的精度。Analysis on relation between the sedimentation variation of the lower reaches of the weihe river and the tongguan altitude
渭河下游沖淤變化與潼關高程的關系分析After analyzing the basic variation regularity of tongguan elevation, it is pointed out that the amount of incoming water during flood season is the main factor to influence on tongguan elevation
指出汛期來水量的多少是影響潼關高程的主要因素, 1986年以後汛期來水量的大幅度減少是潼關高程持續升高的根本原因。This paper deals with the characteristics of incoming water and sediment and changes of tongguan elevation since sanmenxia reservoir began its storing clear water and releasing sediment operation mode
本文闡述了三門峽水庫「蓄清排渾」運用以來入庫水沙的特性和潼關高程的變化,對潼關高程非汛期升高、汛期降低的基本規律進行了分析。Automated capture of the heights of closed contours
閉合等高線高程的自動識別Based on analysis of the inherent relationship between the changes of erosion and deposit in tongguan reaches and in lower reaches of weihe river, the author pointed out that the changes of erosion and deposit downstream of weihe river is in good agreement with the changes of erosion and deposit at tongguan reaches
摘要三門峽水庫控制運用以來,潼關高程持續抬升,渭河下游仍在淤積發展,究竟是潼關高程抬升引起渭河下游淤積發展,還是渭河下游淤積發展造成潼關高程的緩慢上升,一直是三門峽問題的焦點。The method of the total station transfer leveling parameter applied to the construction of yunyang yangtse river highway bridge shows that in can not only ensure the surveying precision but also improve the work efficiency
通過雲陽長江大橋施工中的應用表明,在一定的條件下採用全站儀間視法三角高程測量來實現高程的傳遞,不僅能保證測量精度,而且可以提高工作效率。In view of the altitude problems of inspecting the weighted average ways of obtaining altitude and the advantages and disadvantages of moving surface interpolation method are talked about through comparison, with which the writer draws a conclusion that moving surface interpolation method is suitable to be applied for the dynamic state inspection places, moreover the key technology about the dynamic slate inspection is also taken into consideration, which includes digital camera and types of camera lens, the cause of camera lens distortion and the fundamental determining principle, the gain of image coordinate and the realization of time synchronization
針對檢定點高程問題,分析比較了獲取高程的加權平均法和移動曲而內插法的優缺點,得出移動曲面內插法適合用於動態檢定場的結論。特別是針對動態檢定的關鍵技術給予了相關研究,內容涉及:數碼相機及相機鏡頭的選型,相機畸變差產生原因及測定的基本原理,像片坐標獲取以及時間同步實現,得出結論:利用gpsoem板的秒脈沖( 1pps )輸出特性,能夠實現兩臺數碼相機與gps接收機時間同步,滿足動態檢定指標要求。Another hidden danger is the weakening of the impervious ability of the dam resulting from the closeness of the height of line seepage of the reservoir water level to the contact plane between the residual solum, talus solum and basement rocks
水庫水位浸潤線標高和殘坡積土與基巖接觸界面標高較接近,而使此高程的防滲能力更加薄弱,這也是此壩體的隱患之一。On the basis of the analysis of the characteristics of deep well relation measurement and through the on - site test and theoretical analysis, the methods and technical measures of the throwing - to - point, the orientation and the high - depth positioning in deep - well relation measurement are studied
在分析深井聯系測量特點的基礎上,通過現場試驗和理論分析,研究了深井聯系測量的投點、定向、導入高程的方法及技術措施。Discussion on factors of influence on gps level elevation and on elevation - fitting method
水準高程的因素及高程擬合方法的探討Standard reprentation of latitude, longitude and altitude for geographic point locations
地理點位置的緯度經度和高程的標準表示法分享友人