邊值觀測 的英文怎麼說

中文拼音 [biānzhíguān]
邊值觀測 英文
boundary value observation
  • : 邊Ⅰ名詞1 (幾何圖形上夾成角的直線或圍成多邊形的線段) side; section 2 (邊緣) edge; margin; oute...
  • : 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
  • 邊值 : boundary values邊值法 method of bound; 邊值觀測 boundary value observation; 邊值控制 boundary val...
  • 觀測 : observe; observation; viewing
  1. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下:首先針對荒漠化地區的地物特徵,對高光譜數據不同波段的數據質量、波段組合進行了評價,提出了適用於荒漠化監的基本波段選擇集;初步了解和掌握了研究地區的地物光譜特性及變異規律,進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎;發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象,對于譜形相似而整體反射率的相差較大的兩類地物,通過引入均和方差圖像參與分類得到解決;研究還表明在植被「紅」范圍內的波段是進行荒漠化監的主要特徵波段,這些波段與植被生物量和蓋度都有密切的關系,是開展精細植被分類研究和植被定量反演的重要基礎;像元的導數光譜分析可以消除土壤背景的影響,是進行植被生物量和蓋度定量反演的有力工具;建立了荒漠化監主要評價因子的定量反演模型,並分析了模型的適用性。
  2. With the development of the network and the multi - processor system, the research, simulation and the impemeni of the system - level fault diagnosis which is the very important means to increase the reliability of the system, are becoming more and more important. on the system - leve1 fault diagnosis, based on the group theory of system - level fault diagnosis that has been put forward by pro f zhang, the paper constructs newly the theory bases, improves on the matrix method, reinforces and consummates group arithmetic of all kinds of test mode, for the first time, analyses and discusses the equation solution of all kinds of models, so al1 the consistent fault patterns ( cfp ) could be found, straightly and high efficiently, even if the sufficient and necessary condition of t - diagnosable is dissatisfied and the complexity of system - level fault diagnosis is greatly decreased, especialy in strong t - diagnosabl6 system. last the simulation system ' s function has been extended and the application hotspot and the development trend have been disscussed

    本人在張大方教授等人提出的基於集團的系統級故障診斷的理論基礎上,重新構建了系統級故障診斷的理論基礎,定義了系統級故障診斷試模型的三表示;改進了系統級故障診斷的矩陣方法,重新定義了試矩陣、鄰接矩陣、結點對、結點對的相連運算、極大準集團和斜加矩陣,由此能直、簡便地生成集團和極大獨立點集;補充和完善了各類試模型的系統級故障診斷的集團演算法,通過定義集團和絕對故障集,簡化了集團診斷圖,由此能較易地找到所有的相容故障模式,即使不滿足t -可診斷性,大大減少了系統級故障診斷的復雜度,尤其是對強t -可診斷系統;首次分析探討了各類試模型的方程解決,由此從另一角度能系統地、高效率地求出所有的相容故障模式( cfp ) :擴充了系統級故障診斷模擬系統的功能,快速、直和隨機地模擬實驗運行環境,進行清晰和正確的診斷,同時提供大量的實驗數據用於理論研究,優化演算法和設計。
  3. The updated model with complete forcing has excellent ability of simulation and forecast. to study yellow and east china circulation in winter and summer, based on long - term ocean observation data of january and august, the fine structure of yellow and east china seas circulation is diagnostically calculated with complete forcing ( including surface wind stress, boundary transportation, baroclinic effect, tide, changjiang river runoff ) in winter. the influences of factors on main circulation patterns are discussed respectively

    對于冬季和夏季海洋環流的情況,在多年的溫鹽資料基礎上,分別以1月份和8月份代表黃東海冬季和夏季的情況,以月平均大氣風應力、界流輸送、溫鹽斜壓效應、潮汐、長江口徑流等作為強迫條件,對黃東海環流的細微結構作了高分辨的三維數模擬,探討了各因子對冬、夏季主要流系的動力學作用。
  4. Based on the field exploration and long - term underground observation, this paper reveals the zoning of structure and the timing of mechanical strength for dilative soil, and puts forward the experiment method to obtain values by zoning in the design of dilative soil slope

    通過野外勘探及地下長期,揭示了膨脹土的結構分帶性和力學強度的時效性,提出了膨脹土坡設計中分帶取和試驗方法。
  5. By using auto - adjusting boundary conditions and the method of three cubed spline curve fitting, the system software can recover both of the horizontal and vertical beam profile. the measurement system can also measure the beam landing screen error of cpt. it provides a important measurement and analysis tool to improve the performance of electron gun and dy, and improve the definition of cpt

    系統軟體中,提出了採用動態確定界條件,通過對離散采樣點的三次樣條插曲線的擬合恢復束斑x和y方向的輪廓,本系統既能準確客地描述電子束輪廓,又能夠準確快速地量電子束著屏誤差等多種參數,為cpt電子槍和偏轉系統的性能改進與解析度的提高提供了有力的試分析和研究手段。
  6. The third chapter is experiment analyses of multi - aperture transient electromagnetic method, it analyzes multi - aperture transient method in theory and discusses radiation direction characteristic of first field by means phased array theory and integrating result of experiment contrast. according to kinematics character it also brings forward similar interference concept and analyzes reason of similar interference phenomenon, it gained footing between similar interference item and depth on the base of it and experiment formula

    藉助于相控陣原理的思想,結合模擬實驗對比結果,對多孔徑tem方法進行模型分析,詳細討論了多孔徑一次場的輻射方向特性,利用光波的運動學特徵提出類相干的概念,分析了多孔徑tem輻射源存在類相干現象,推導出類相干實驗公式,並得出類相干項與多孔徑框長以及埋深的關系表達式和。
  7. Based on the daily surface air temperature data from 200 stations and daily precipitation data th from 739 stations during the second half of the 20 century, schemes for analyzing climate extremes were designed mainly according to percentiles of a non - parametric distribution and the gross errors in the daily data were removed based on a newly designed quality control procedure. the spatial and temporal characteristics of change of climate extremes over china were studied, the major conclusions are summarized as : th 1. slight decrease trends were found for the 95 percentiles of daily maximum temperatures during summer, but larger increase trends were revealed for the 5th percentiles of daily minimum temperatures during winter, especially in northern china

    本文利用中國20世紀後半葉較為完整的逐日溫度和降水資料,設計了嚴格的資料質量控制方法,以統計上的緣分佈的客定義為主要依據,確定了極端溫度和降水事件,研究揭示了近50年中國極端氣候事件變化的規律,得到以下主要結果: 1 .全國最高溫度的極端高略趨下降;最低溫度的極端低升溫趨勢顯著,這種增溫在冬季、在北方最顯著。
  8. 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、齊次坐標系、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坐標變換,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:最後引入等線和區域填充表示方法,並以等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。
  9. Water quantity prediction is the base and premise of water price calculating. this paper uses moving tendency forecasting modeling, gm forecasting modeling and bp neural forecasting modeling to forecast the water requirement of the future, evaluates the forecasting results, and confirms the forecasting results ; the industry water price elasticity index and the resident water price elasticity are calculated with the multi - linear regression method ; the water resources value is evaluated with the marginal opportunity cost method considering the transferring water, other parameters are evaluated and estimated by using some methods of connecting with objective laws and estimation

    用水量預是水價制定的前提和基礎,本文在進行水量預時,採用移動平均法、灰色預法和bp神經網路進行預,並對預結果進行了綜合評價,確定出合理的預結果;採用多元線性回歸方法確定工業用水價格彈性和居民生活用水價格彈性指數;採用跨流域調水情況下的際機會成本方法確定當地的水資源價;採用主判斷和客規律相結合的方法對其它一些參數進行了確定。
  10. Date integration technique was used to analyze the relationship between monthly mean daily clearness index kt and s, the ration of monthly mean daily sunshine duration to possible sunshine duration as well as that of monthly mean daily direct transmittance kb. based on data from 1957 to 2000, a series of kt and kb estimation models with different temporal and spatial scales were established. furthermore, the distributions of kt and kb from january to december in chongqing were mapped by kriging interpolation for long - term mean

    大氣輻射過程模擬通過晴空指數、直接透射率等綜合描述大氣對太陽輻射影響的參數,採用重慶市及其周地區1957 - 2000年日射站的月輻射資料和常規月氣象資料,利用數據集群技術,建立了不同時空尺度的太陽輻射估算模式;使用kriging插法,完成了重慶市氣候平均狀況下各月晴空指數、直接透射率的空間制圖。
  11. Neff, w. d. ( 1980 ), an observational and numerical study of the atmospheric boundary layer overlying the east antartic ice sheel. ph. d. thesis, university of colorado

    南極東部冰原上空大氣界層的和數研究,在科羅拉多大學作的博士論文。
  12. Solar radiation models of different temporal and spatial scales were established by using ground observed data from meteorological stations. a series of distributed models were developed based on principles of direct and diffuse radiation on tilted surfaces and integrated with gis software. using dem data of chongqing, the distributions of direct and diffuse radiation over rugged terrains were simulated

    本文利用重慶及其周地區的日射站和常規氣象站水平面資料,建立不同時空尺度的太陽輻射估算模型;依據坡地直接輻射和散射輻射機理,以地理信息系統為數據處理平臺,建立起伏地形下太陽輻射分散式估算模型;根據重慶1 : 25萬dem數據,對重慶實際復雜地形下太陽直接輻射和散射輻射進行了數模擬,為起伏地形下輻射估算及其他地表氣象要素的空間擴展提供有益的嘗試。
  13. This paper fist assumes that the landslide object is a rigid, sets up a dynamic model of landslide, forms double difference observation data by using the gps carrier phase observation data on monitoring point after deformation and base point, proposes a kalman filter model of landslide monitoring

    摘要首先假設坡滑坡體為剛體,建立了坡滑坡的動態模型,用變形后的監點和基準點上的gps載波相位組成雙差,提出一種滑坡監的卡爾曼濾波模塑。
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