等水位線圖 的英文怎麼說

中文拼音 [děngshuǐwèixiàn]
等水位線圖 英文
water level contour map
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
  • : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : Ⅰ名詞1 (繪畫表現出的形象; 圖畫) picture; chart; drawing; map 2 (計劃) plan; scheme; attempt 3...
  • 水位 : stage; water level
  1. On the demand of application and according to the soluhons menhoned above, a method of displacement waiting auto - sy ' nchronizing is put forward, which is based on match filters. at the end a complete and speeflc set of hardware circuits and software programs which haplements the scheme, is also presented in the ancle. the synchronization system was tested in the pool and in the shallow wate near m port, the result of the test shows that its performance is satisfactory

    論文著重介紹實現了跳頻通信系統同步的一般方法,並詳細分析和對比跳頻同步系統的捕獲方案,在此基礎上,提出了一個基於匹配濾波器的待式自同步方案,設計、完成並給出了詳細硬體連電路、軟體程序流程和部分程序清單,該自同步方法在實驗室池實驗取得良好的效果,並在廈門港海域進行了現場實驗測試,具有較低的誤碼率和一定的檢測概率,結果令人滿意。
  2. Study on the arithmetic of automatically drawing isoline of groundwater level based on gis

    的地下自動生成演算法研究
  3. 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、總結分析了當前下導航的常用方法和不足之處,指出基於航推算的導航方法,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,難以滿足自主下航行器大范圍導航的需求;二、總結了當前下地形輔助導航的主要技術路,一是基於地形高程的匹配方法,這是當前研究的重點;二是基於地形像的匹配方法,由於缺乏良好的像傳感器,和可用的海底像地,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問題。
  4. In this paper, the finite - element numerical analysis calculation is applied to the foundation of high - rise and multi - floor building and the evolvement law of stress and displacement of tunnel used by urban traffic to explore the mutual influence between the wall rock of underground space and high - rise building foundation, taking account of the specific construction situation in the " sanmu garden " project in dadukou district in chongqing, from the perspective of underground space static - force structure stability analysis to open a underground tunnel with 6m in span and 7. 5m in height for track traffic 20m below the surface. this paper, taking considerations of three different states, i. e. the natural state without any artificial interference, the state of high - rise buildings on the surface, and the underground tunnel state with excavation for track traffic, and four plane lines and four vertical lines, analyzes and studies the distributing law of stress and displacement of calculation section from the following aspects : ( 1 ) the main stress vectorgraph, displacement distribution graph ( ux, uy ) and chromatogram graph of stress isoline ( 1, 2, xy ) of section under different states ; ( 2 ) the contrastive distribution curve of stress ( 1, 2, xy ) of different plane and vertical lines under the same state ; ( 3 ) the contrastive distribution curve of stress ( 1, 2, xy ) of the same plane and vertical lines under different states, wishing to provide references for underground space utilization and project designing and construction of the tunnel under high - rise buildings in the future

    本文結合重慶市大渡口區「三木花園」開發建設項目,從地下空間靜力結構穩定性分析角度出發,針對在該項目中涉及的高層和多層建築物以及在其地下20米處開挖了一個用於軌道交通的跨度6米,高7 . 5米的地下隧道這一具體工程情況,採用2d - 3d -有限元結構分析程序對高層與多層建築物的地基基礎及其與城市軌道交通使用的地下隧道圍巖的應力與移演變規律進行了有限元數值分析計算,探索了地下空間圍巖與高層或多層建築物地基基礎之間的相互影響,通過考慮未受到任何人為擾動影響的天然狀態、地表存在多層或高層建築物狀態和地下開挖用於軌道交通的地下隧道狀態三種不同狀態以及4個平剖和4個垂直剖不同情況,從以下幾個方面具體分析研究了計算斷面的應力與移分佈規律: ( 1 )在各種不同狀態下計算斷面的主應力矢量移分布( ux 、 uy )以及應力色譜( _ 1 、 _ 2 、 _ ( xy ) ); ( 2 )相同狀態下不同平與垂直剖的應力_ 1 、 _ 2和_ ( xy )對比分佈曲; ( 3 )不同狀態下相同平或垂直剖的應力_ 1 、 _ 2和_ ( xy )的對比分佈曲,為今後在對地下空間的開發利用以及在高層建築物地下開挖硐室時的工程設計和工程施工提供參考依據。
  5. Finally, the method of estimating power customer emission level based on binary linear regression is put forward, which make it a condition that harmonic emission is steady at the point of common coupling. combined with power system thevenin equivalent and customer norton equivalent, according to the principle of least squares method, the voltage that a customer ' s harmonic current begets at the point of common coupling can be estimated in the light of the plural correlation of network parameters

    最後,提出了基於二元性回歸的用戶諧波發射平估計方法,該方法在假設公共聯接點諧波發射穩定的情況下,結合系統側戴維南值與用戶側諾頓值的電路,按照最小二乘法原理,利用電網各參數的復數關系推導關于系統側諧波阻抗的二元性回歸方程,並根據諧波阻抗的估計值求取用戶諧波電流在公共聯四川大學碩士學論文( 2003 )接點產生的電壓降。
  6. At the same time, figures involving attribute data about flow field at inlet and outlet downstream or wave motion of water at the downflow head of lock chamber of siyang navigation lock were displayed through gis application system which we developed. according to data of baoying navigation lock acquired by mathematics model, figures about velocities which have the same value, velocities toward cross direction which have the same value and flow field at inlet and outlet upstream were formed. achievement data, space information and attribute information were in connection with figure so as to search for and analysis the information, which is satisfying

    同時完成了江蘇泗陽船閘下游引航道非恆定流及其改善措施的計算分析研究和寶應船閘上游引航道口門區流條件計算分析研究,運用gis技術和所設計的gis應用系統對泗陽船閘下游引航道內流場以及下閘首波動情況進行信息顯示,根據對寶應船閘的計算結果生成上游引航道口門區流速、橫向流速和流場,使計算分析成果數據、空間信息、屬性信息與形顯示有機結合,便於查詢分析,效果令人滿意。
  7. The main work of the thesis is as follows : we design a novel omni - mirror more applicable in robocup, which is made up of an isomeric horizontal mirror and an isomeric vertical mirror and can make the resolution of the imaging of the objects near the robot on the field constant and make the distortion of the imaging of the objects far from the robot small in vertical direction ; we select a 1394 digital color camera and complete the development of its software program for data acquisition ; we design a image processing algorithm for the panoramic image, which can segment the image by color, extract the features of image fast and effectively and complete the recognization of target ; according the character of the imaging, we design a new fast hough transform algorithm for line detection, which can detect the white mark lines of the field realtimely, and then design a robot ’ s self - localization method based the mark lines, which only uses the information of omni - vision system ; finally we design a monte carlo localization method based on the information of omni - vision system and odometry, and present the localization results of two localization methods and analyze the experiment results and get the conclusions

    本論文的主要工作如下:設計了一種新的更適用於機器人足球賽的全向反射鏡面,該鏡面由比鏡面和垂直比鏡面組合而成,能夠使機器人近處一定范圍內平場地上的物體成像解析度不變,遠處物體成像高度上變形較小;選擇了一款基於1394介面的數字攝像機,並完成其數據採集程序開發;針對全景像設計了像處理演算法,能夠快速有效的實現像顏色分割和像特徵提取,完成目標識別;根據全景像的成像特性,設計了一種新的用於直檢測的快速hough變換演算法,能夠實時的提取出場地的白色標志,並在此基礎上設計了完全利用全向視覺信息的基於標志的機器人自定方法;最後設計了一種基於全向視覺信息和里程計信息的montecarlo定方法,給出兩種方法的定結果,並分析實驗結果,給出結論。
  8. This algorithm is based on the texture feature of the characters on a license plate. firstly, the long horizontal lines with small change in gray level in a car image are removed. secondly, small areas are got rid of, then an analysis of the geometric features of the connected areas and the number of inner pixels and pixels on its edge is made, and with the help of the geometric features and the projected features of car license plate, the license plate area is found out

    提出了一種基於字元紋理特徵的汽車牌照自動定演算法;該演算法結合牌照區字元的紋理特徵,首先將汽車像中灰度值變化平緩的長去掉,之後將小的區域去除,然後對留下的連通區域的幾何特性、內部象素個數、邊緣象素個數信息進行分析,結合牌照的幾何特徵和投影特徵,找出真正的牌照區域。
  9. In general, a firm begins collecting all kind of materials about economy development and environment after accepting a assignment, and then studying a feasible path based on one of these materials individually. these suitable paths will be compared and outline a final solution

    一般情況下,公路設計單在接受設計委託后,要開始收集項目影響區經濟、交通發展資料和地質文普查資料、各種比例的地形資料,然後在此基礎上,對單個條件進行研究,再就可能的方案總體對比,才編制出該工程的路規劃方案。
  10. For the analog low - gain displacement - type records, two horizontal - component records of a m7. 1 aftershock of tangshan earthquake, july 28, 1976, in tai ' an seismic station are used as the example to show the procedures of digitizing, arc - shape correction, baseline correction, equal - interval interpolation and instrument response correction. the reliability of the analog low - gain displacement - type records for long period study is also discussed. in order the database to have a better magnitude - distance distribution, a method to estimate the long period response spectrum values from earthquake magnitude definition is developed

    對于模擬式低放大倍數移記錄,以泰安地震臺的513型中強地震儀所記錄的1976年7月28日唐山地震的7 . 1級餘震兩個平分向的記錄為例,詳細說明了對記錄數字化、弧型校正、基校正、距插值、儀器響應校正步驟,計算了周期t 10s的反應譜,分析了它們的可靠性。
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