水道測量數的 的英文怎麼說
中文拼音 [shuǐdàocèliángshǔde]
水道測量數的
英文
hydrographic- 水 : 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...
- 道 : Ⅰ名詞(道路) road; way; route; path 2 (水流通過的途徑) channel; course 3 (方向; 方法; 道理) ...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 數 : 數副詞(屢次) frequently; repeatedly
- 的 : 4次方是 The fourth power of 2 is direction
- 水道 : water channel; channel; waterway; watercourse; water carrier; water race; water lane; klong; lago...
- 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
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And the deficiencies are pointed out in present researches, such as highway capacity, level - of - service, influence factor of road alignments, etc. from these, it has confirmed that the thesis should be studied from rational analysis, quantitative analysis of level - of - service, impact on capacity of road alignments, setting - up simulation model, etc. the high - accuracy gps dynamic data acquisition appearance is proposed to be used for the first time to carry on the experiment of overtaking on two - lane highways, and experiment scheme is designed according to the driver ' s perceive to judge each overtaking course. based on the experiment data, it can get two important parameters of acceptant gap ? the critical gap of overtakable time headway and returnable time headway through data processing, which can offer the strong support to the research of two - lane highway capacity with qualitative and quantitative analysis. besides, the experiment methods is provided to observe overtaking ratio and to measure the
研究中首次提出了運用高精度gps動態數據採集儀對雙車道公路上的超車行為進行觀測,設計了根據駕駛員感受度來衡量超車過程的實驗方案,並通過後期數據處理得到了超車過程中兩個重要的可接受間隙參數-可超車車頭時距和可回車車頭時距的臨界間隙值,為定性和定量分析雙車道公路通行能力提供有力的數據支持;同時,還提出了觀測超車率的實驗方法以及測量加速度干擾的實驗方案,統一了計算加速度干擾的時間統計間隔,為雙車道公路的服務水平量化研究奠定基礎;最後還簡單介紹了駕駛員問卷調查法和模擬程序中模型參數標定和驗證的數據採集方法。In order to detect the bottom thickness, cavity, leak and deformation of steel meshes in secondary lining of concrete in tunnel construction, the authors evaluate the wave character and the detected result in the second lining of the tunnel using surveying radar technology and conclude the wave character in the tunnel lining which has mass defect and tested the accuracy and reliability of this technique
摘要為檢明隧道混凝土二次襯砌中的底界厚度、空洞、漏水、鋼筋網變形等質量問題,利用探地雷達技術,通過對檢測方法及工程檢測實驗的研究,進行隧道二次襯砌中雷達波形特徵參數及檢測結果評價,總結了隧道襯砌質量問題的雷達波形特徵,驗證檢測方法的精度和可靠性。Measurement precision contribute to improving the security class and economic of boiler running and automatic level of whole plant. the smart measurement instrument of the boiler ’ s air flow designed in the thesis and the instrument can make the degree of accuracy get to. firstly, the thesis build the “ velocity - area ” method which is on basis of “ log - tchebycheff ” on the analyzing of basic measure method of boiler ’ s air flow. secondly, model86 averaging pitot tube was selected the right model of flow transducer which can pickoff the differential pressure and static pressure. modelc264 which made in setra system corp. u. s. a was selected as ultra low differential pressure transmitter. a good flow of boiler ’ s air was calculated by offsetting pressure and temperature. finally, numeroscope was designed with z80cpu and other chips
精確的監測有助於提高鍋爐燃燒的安全型、經濟性,也有助於提高電廠的整體自動化水平。本文設計的智能化鍋爐風量測量裝置能夠實現對鍋爐送風的精確測量,精度可達。本文首先研究鍋爐送風矩形大管道測量理論,提出在流來流量測量測點布置基於「對數-切比雪夫」法的速度-面積法。This can make equipments away from dangerous zone. and perform full trajectory measurement and provide correct guiding data for other equipments. it pushes forward the defensibility of our country
這樣可以使設備遠離危險區,並能進行全彈道測量,為其它設備提供正確引導數據,對于提高我國的國防水平具有推動作用。This paper, on the basis of yuelu - mountain high - tech park in changsha city, beginning with the investigation of diversiform transit - trip in the park, firstly analyzes and evaluates space - time change law of traffic flow and situation of traffic service level on actual road net - work in the park ; secondly, applying multi - statistical analysis method, taking investigated corporation as sample, using annual freight traffic volume produced by unit plant area of the corporation, with clustering analysis, obtains four sorts of the sample corporation, and establishes the predict models of freight traffic volume for every kind of corporation. with these models, actual or planning year ’ s day maximum freight traffic volume can be predicted. the third, this paper makes analysis research of trip law of employees in the park, and obtains the index of trip times, trip modes and trip development trend of the employees
本文以長沙市嶽麓山高科技園區為依託,從調查園區內的各類交通出行開始,首先分析評價了園區內現狀道路網上的交通流時空變化規律及道路網上的交通服務水平狀況;其次是應用多元統計分析方法,以調查企業為樣品,以企業單位車間面積所產生的年貨運交通量為變量,通過聚類分析,獲得了樣本企業的四個類別,並建立了各類企業貨運交通量的預測模型,應用這些模型,可預測園區內現狀或規劃年的日最大貨運交通量;第三是對園區內企業員工的出行規律做了分析研究,獲得了企業員工的出行次數、出行方式及出行發展趨勢等等特性指標;最後是對園區內小區居民的出行狀況進行了分析,獲得了居民出行的諸如高峰時段、高峰出行量等等的特徵數據。In this paper, we study the most serious damming section of the east - one main canal, which is from the entrance of the hao wan flume ( chainage12 + 123. 6 ) to the exit of shang tian yuan tunnel ( chainage24 + 091. 1 ). the main content is analyzing the flow characteristic of the canal, setting up mathematical model of the discharge condition of the east - one main canal, according to the survey section and actual roughness factors, building, bend and so on, we divided the canal into more than loocaculation segments. each segment is calculated by microsoft excel electrical table through computer as permanent transition flow of non - prismatic channel
本論文研究的渠段為陸渾灌區東一乾渠壅水最為嚴重的渠段,從郝灣渡槽進口(樁號12 + 123 . 6 )至上天院隧洞出口(樁號24 + 091 . 1 ) ,其主要內容是,分析渠道水流特徵,建立東一乾渠輸水狀況的數學模型,根據測量斷面及實際糙率、建築物、彎道等因素的不同,將渠道劃分成120多個計算段,每段按非稜柱體恆定漸變流,運用microsoftexcel電子表格進行編程計算。In this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes
本文將水質預測及水污染控制措施有機地結合,選取水環境容量和污染指數作為水污染控制的參數.這樣,一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進,因為其採用四點隱格式對水質進行預測,推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值,從而制定相應的水污染控制措施.為整體考慮各種污染物的情況,建議採用河流的污染指數進而推求綜合污染指數.總之,本研究為水質保護提供了科學的計算方法,該法對水污染控制及污水對河道水質的影響是實用有效的Abstract : in this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes
文摘:本文將水質預測及水污染控制措施有機地結合,選取水環境容量和污染指數作為水污染控制的參數.這樣,一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進,因為其採用四點隱格式對水質進行預測,推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值,從而制定相應的水污染控制措施.為整體考慮各種污染物的情況,建議採用河流的污染指數進而推求綜合污染指數.總之,本研究為水質保護提供了科學的計算方法,該法對水污染控制及污水對河道水質的影響是實用有效的This dissertation describes the studying of the whole construction of water - saving irrigation expert control system, the realization of hardware and software and low - cost soil - moisture sensor which is needed for water - saving irrigation. the distributed control system based on bus. according to real - time data of soil - moisture, water - level of sump, pressure of tube, etc. and irrigation knowledge in expert knowledge bases, it can make decisions such as when to irrigation, the water quantity to irrigation and the cost and benefit of the irrigation
本文對節水灌溉專家控制系統的總體結構、軟硬體實現以及節水灌溉急需的低成本土壤水分傳感器進行了研究,系統採用了基於總線的分散式控制結構,根據實時檢測的土壤水分、水槽水位、管道壓力等實時參數,知識庫的作物灌溉知識,分析決策灌水時間、灌水量、灌溉成本及灌溉效益。It realized the effective manage of the geographical information and chart what were nessary for the survey about the port and sea - route and what produced by the survey. it would impose the automatizatjon level of data collection and menagement, and increase the effect of information on share
實現了港口航道測量中需要的和生產的各種地理信息及海圖圖檔的有效管理,提高數據採集和處理的自動化水平和信息共享的效果。First, on the base of investigating geleshan geologic environments, the author carefully analyzes them, studies their water storage structure, discusses the relationship of underground water dynamic changes and tunnel drainage by desiccation ; secondly, the author makes the dynamic analysis, regression analysis, routine hydrochemistry analysis, isotope analysis, so draws to guan - yin gorge anticlire east and west slot ' s karst developing features, alternated conditions underground water and supplying drain ways ; thirdly, by stating the fissuring ' s surveying data, the author calculates the seeping tensor
作者在進行歌樂山地質環境調查的基礎上,仔細分析了大量觀測資料,研究其儲水構造,掌握地下水動態變化與隧道施工涌水的關系,及補給受降雨的影響情況。對隧道周圍的地下水進行動態分析、回歸分析、常規水化學分析以及同位素分析,得出觀音峽背斜東西翼槽谷的巖溶發育特徵,及地下水的循環交替條件、補給排泄途徑;統計分析裂隙測量數據,計算滲透張量。Research on water hammer with gas in pressure conduit system through physical experiments, researches on pressure conduit system with gas releasing and liquid column separating, which consist of observing flow patterns, testing the conditions under which liquid column separation brings into existence and the water hammer in water interception collision, and studying effects resulting from gas content and different water velocities in pipeline, was done
3 、輸水管道系統中含氣水錘研究通過物理試驗,對有壓輸水管道系統中的氣體釋放與液柱分離進行了研究,觀察其流態、測試液柱分離發生的條件及斷流彌合水錘壓力,研究了含氣量、流速等參數對液柱分離的影響。Resulting from researches and experience accumulated in mbss practice for years, the author suggested a precision estimation model of depth and position for the acceptance of mbss systems, and presented further a stochastic model of double observation for data quality estimation. these models could be introduced to the designed national mbss acceptance standards
本文根據國際海道測量標準提出了多波束測深系統的水深和位置精度的評估模型,並提出了一種雙觀測法統計模型對測量數據的質量進行評估,其研究成果可以為建立我國多波束測深規范提供參考。In this paper, the study status about freeze - up of domestic and overseas was discussed first, then based on thermodynamic theories and river ice hydraulic theories, using the observed data to calculate parameters, the freeze - up forecasting mathematical model in inner mongolia reach was established. in the model, the calculating method of heat exchanging coefficient was perfected properly, and the river characteristics was quantified for the first time. the forecasting result indicated that the model precision is high, and the freeze - up forecasting formula is all - purposed
本文首先論述了國內外有關封河研究的現狀,然後在此基礎上針對存在問題,以熱力學理論及冰水力學理論為基礎,利用實測資料率定參數,建立了內蒙古河段封河預報數學模型,其中對熱交換系數的計算進行適當的修改,並將河道條件量化考慮進封河預報數學模型中,證明預報精確度高,且各河段預報公式具有通用性。On the basis of forecast model of traffic volume discussing, the mathematic model for the basic parts of road overpass was built up through the research on main mathematical model which suit for overpass in four - stage forecast method. according to the properties and the requirements of the user, by working on the service level, the standard of service level has been defined. the adaptability index of traffic for road overpass was put forward and an adaptability index of traffic system was established
本文系統研究了道路立體交叉的類型,從不同角度對立交類型進行了劃分,在詳細論述立交交通量預測模型的基礎上,針對四階段預測法中適合立交特點的主要數學模型做了深入研究,建立了道路立交各基本組成部分通行能力的數學模型,並按照立交的性質及人們對立交的要求,對立交服務水平進了研究,確立了道路立交的服務水平標準,提出了道路立交交通適應性指標,建立了道路立交適應性指標體系,並由多人層次分析法確定了各指標的相對權重。The example analyzed in this thesis is the traffic impact analyzing for " reconstruction for commercial pedestrian street on chunxi road in chengdu city ", which belongs to the redevelopment of outdated city proper. having the present traffic situation through live investigation and predicting the promotive traffic flow after redevelopment, distributed in the road network, utilizing the method of artraction rate, the author obtain the service level after redevelopment to determine the necessity of reconstruction and presents some plans for redevelopment as well
在擁有大量數據的基礎上,應用實施tia的方法,通過吸引率法預測改造后的誘增交通量,獲得服務水平的變化,從而提出了與商業圈相關道路的改建方案:讓過境交通從步行街區外圍通過;將紅星路、東大街拓寬改善;署襪街、新街限時機動車通行;盡量減少商業圈內部機動車停車場,鼓勵周邊建造。By analyzing and processing the underwater sound signals received on the array, we can get the parameters of ocean environment. compared with traditional methods of direct point measurement, ocean acoustic tomography has obvious advantages : much simpler and more effective, and it can continuously monitor ocean environment in a large area for a long time
海洋聲層析技術通過分析處理水聲接收基陣接收到的海洋通道中的水聲信號來反演海洋環境參數,這種方法方便、高效並且可以進行長時間的大范圍連續監測,與傳統的直接測量的方法相比有明顯的優勢。Optimization model of networks " roughness is established. in this model, objective function is the average scedasticity of relative error for water level and discharge. with the recorded water level and tidal data, the value of roughness is optimized
建立了以流量和水位相對均方差作為目標函數的河網糙率優化模型,並利用實測的河道水位及潮流資料,對河道的糙率取值進行了優化,所建立的糙率優化模型更加合理,計算的效率及精度大大提高了。The author first explains that large - scale measurement device is one of the most basic measuring methods of obtaining external trajectory data and flight status. lt is pointed out that the accurateness of the main - item axis system deviation correction ( including vertical, level and collimating axis deviation ) of large - scale measurement device error is of critical importance to the precison of measuring device ' s surveying angles. to improve its precison, the influence of axis system deviation on surveying angles must be corrected
首先說明了在現代航天靶場中,大型測量設備是獲取外彈道數據和飛行狀態的最基本的測量手段之一,指出大型測量設備測量系統誤差的主項軸系偏差(包括垂直軸偏差、水平軸偏差和照準軸偏差)改正的精確與否直接關繫到測量設備的測角精度,因此要提高測量設備的測角精度,必須對軸系偏差對測量角的影響進行改正。Also the computation complexity is rather low. thirdly, we proposed two algorithms for 3d mesh models compression using vector quantization : one scheme is based on an extended codebook, with which the correlations between indices of adjacent vertices are adopted and
基於目前大多數可逆水印演算法針對原始域媒體的不足,結合矢量量化的思想,提出了一種壓縮域三維網格可逆數字水印演算法:該演算法通過改變矢量量化壓縮過程的矢量預測方式來嵌入水印信息,使水印對于通道噪聲引起的分享友人