間接數值法 的英文怎麼說

中文拼音 [jiānjiēshǔzhífǎ]
間接數值法 英文
indirect numerical method
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 接 : Ⅰ動詞1 （靠近;接觸） come into contact with; come close to 2 （連接; 使連接） connect; join; put ...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  • 間接 : indirect; secondhand
  • 數值 : numerical value; numerial number; figure; magnitude; value數值表 numerical tabular; 數值天氣預報 ...
  1. It further discusses the operation mechanism of the system of agrotechnical diffusion and indicates that the essence of technical diffusion is information diffusion, and the system depends on the course which information flows from the fountainhead to the receivers. and it analyzed the ingredients which influence the information flowing in the system. intruding shannon ’ s information

    進一步探討了農業技術擴散系統的運行機制，並指出，技術擴散實質是信息的傳播，是建立在信息從信息源到接收者之間的流動過程，對技術推廣系統中影響信息流動的因素進行分析，引入shannon的信息熵計算方法，對信息接受者的信息接收含量進行測度，通過對所得的數值進行比較，運用定量與定性分析相結合的方法證明技術推廣活動的效率。
  2. Attempt was made to determine sorption solely on the external surface by extrapolating the sorption isotherms to zero time.

    有人設法使吸收只限於表面積上，即按吸收等溫線在時間接近零時所測定的數值。
  3. The asteroids are the most important small bodies in the solarsystem, and they mainly lies in the two locations - a main belt between the mars ' s orbit and the jupiter ' s and the near - earth space. the most feature of the orbits of near - earth asteroids ( neas ) is that the semi - major axes of the orbits are nearly equal to that of the earth or the perihelia distances are approximate to or even less than the mean distance between the sun and the earth, thus they could move into inside of the earth ' s orbit, so that they might close approach or even colliside with the earth ( or other planets, such as the venus, the mars, etc. ). the characteristic brings about some difficulties in the numerical research during their orbital evolution, which leads to the failure of the normalization technique in the general removal impact singularities of celestial mechanics methods and the symplectic algorithm which is successfully applied to the investigation in quality. by comparing the computation effects of several common numerical methods ( including symplectic algorithm ), and considering the nature of the movement of the small bodies, the corresponding treatments are provided here to improve the reliability of the computation

    小行星是太陽系最重要的一類小天體，主要分佈在兩個區域；火星和木星軌道之間的一條主帶和近地空間.近地小行星軌道的最大特點是其軌道半長徑與地球軌道半長徑相近，或近日距離接近甚至小於日地平均距離，其運動可深入到地球軌道的內部，這將導致該類小行星與地球（還有金星、火星等）十分靠近甚至發生碰撞.這一特徵給其軌道演化數值研究帶來一些困難，包括天體力學方法中一般消除碰撞奇點的正規化處理以及對定性研究十分成功的辛演算法都將在不同程度上失效.通過對幾種常用數值方法（包括辛演算法）計算效果的比較，根據小天體運動自身的特性，給出了相應處理措施，從而可提高計算結果的可靠性
  4. The attainment proves that the method is prompter than the conventional ones and reduces the amount of work greatly. moreover, when the db is connected with regional information system of transfered, it is possible to study the changing characterises or regional land use through quantity change, furthemore, to find out the decipline and the dynamic changes of spatial distribution of type of land use through land use maps

    結果表明與傳統調查方法相比速度快，工作量大大減少，且把數據庫與區域信息系統連接或被調用，不僅可以通過數值的變化，研究區域土地利用狀況的變化特徵，還可以從圖形上體現出土地利用類型的空間分佈規律，以及空間分佈的動態變化情況。
  5. The welding technology of francis turbine runners is optimized from the view of subsection welding and local heating by numerical simulation. the result shows that welding residual tensile stress appears in the weld and its area nearby, and peak stress appears in the dangerous area of blades after practising quondam welding technology ; welding residual tensile peak stress in the dangerous area of blades can be decreased by welding both ends earlier and then welding middle section later during subsection welding, and decreasing effect on welding residual stress of the subsection welding is related to the weld length of blade outlets and welding direction of each subsection ; decreasing effect on residual stress of the local heating is direct proportional to heating time, heating temperature, heating area, and inversely proportional to cooling area, and welding residual tensile peak stress in the dangerous area is decreasing trend earlier, and then increasing trend later with heated location increased

    本文利用數值模擬手段對轉輪的焊接工藝從分段焊和局部加熱兩個方面進行了優化，結果表明:採用普通工藝焊接時，葉片焊后殘余拉應力出現在焊縫及其附近區域，並且在葉片出水邊的熔合線附近（危險區域）出現了峰值;在採用優化的分段焊時，先焊兩端后焊中間的方法可以降低葉片危險區域的焊接殘余拉應力峰值，降低效果與葉片出水邊焊段長度、焊縫各段的焊接方向有關;局部加熱法降低轉輪危險區域殘余應力的效果主要與加熱時間、加熱溫度以及加熱面積成正比，與冷卻面積成反比，並且危險區域的殘余應力隨加熱區域的增大呈先降低后升高的趨勢。
  6. To investigate the practicability of a solar - direct - pumped fiber laser by using a parabolic dish concentrator, the solar power absorbed by the fiber laser and its absorption efficiency were calculated with numerical method based on the characteristics of solar spectrum in outer space

    摘要為了研究拋物面碟形聚光器實現太陽能直接抽運光纖激光器，根據空間太陽光譜分佈特點，採用數值方法，計算了用該聚光器聚集太陽能量抽運雙包層光纖激光器時光纖吸收的太陽能量及其吸收效率。
  7. In this paper, high - order accurate weighted essentially non - oscillatory ( weno ) schemes are investigated and their applications in hyperbolic conservation laws are discussed. based on this, a new weno difference scheme which based on dispersion - relation - preserving relation is developed, and representative test cases with this scheme for computational aeroacoustics ( caa ) problems has been implemented and compared in order to test capability of wave capturing ; in addition, weno schemes generally do not converge at high order in the presence of contact discontinuity of euler equations, so a conservative front tracking technique coupling weno schemes and level set method to simulate the translating density profile is presented here, and numerical simulation with this technique for representative test case has been implemented and results show the desired accuracy

    本文研究了高階精度加權基本無振蕩（ weno ）格式及其在雙曲守恆律方程中的應用，在此基礎上作了兩個方面的工作：一是針對高頻聲波問題構造出一種基於保色散關系（ drp ）的weno有限差分格式，並對計算氣動聲學（ caa ）問題的代表性算例進行了大量數值實驗，比較了該格式捕捉波數的能力；另外，針對高階weno格式在處理euler方程的接觸間斷時精度有所降低的問題，研究了利用界面追蹤技術levelset方法和高階激波捕捉weno格式相結合的一種守恆追蹤方法，並且給出有代表性的密度滑移面問題的算例，得到一致高階精度的數值模擬結果。
  8. Based on historic radiosonde data of changchun city, jilin province and xian city. shanxi province and on the typical model of profiles of cloud liquid water content for stratiformis, the coefficients of retrieval equation are obtained as the functions of height for each month from april to july in the two cities. furthermore, we explore the internal physics signification of retrieval coefficients ' distributing according to every month and have comparisons between the two cities. then the numerical simulation tests of the accuracy of retrieval results are given : the statistical relative deviation of retrieved values of l to the simulated " trues " on the ground is 15 - 25 % and that at altitude of 6km is 5 - 10 %, that means the retrieval method and implementation of the method are applicable to processing measurements of an airborne radiometer made in china recently

    本文介紹機載對空微波輻射計探測雲中路徑積分液態水含量（ l ）的輻射傳輸原理和反演方法；根據吉林省長春市和陜西省西安市的歷史探空資料和典型的層狀雲液水垂直分佈模式，得到這兩個地區4 - 7月各月的隨高度而變的反演公式及其系數的表達式；探索了和反演系數有關系的大氣的影響，並在各個月份之間進行了比較分析；給出了反演誤差的數值模擬檢驗結果：在地面反演值對『真值』的統計相對偏差是15 - 25 ，在6公里高度處為5 - 10 ，表明該方法已具有實用可接受的精度。
  9. This paper introduces the development process of wastewater disposal, it ' s auto control system, the level of nowadays and several new techniques of china and foreign countries. the immanent structure, control rules, main features and design methods of auto control systems in wastewater disposal process are studied in this paper. aiming at four typical parameters, such as temperature, dissolved oxygen, ph and the planes of water, the distributed control system is designed, composed by pc called epigyny computer and scm 8098 called hypogyny computer, and some sensors, shift deliver utensils and related meet orifices of parameters gathering and figures communication

    本文介紹了國內外污水處理及其自動控制系統的發展過程、當今水平和提高自動化程度的若干新技術；研究了污水處理自動控制系統的內在結構、控制規律、主要特點和設計方法；選取污水處理中的典型參數溫度、溶解氧、 ph值和液位等為控制對象，設計了以個人計算機為上位機、以8098單片機為下位機，並輔之以傳感器、變送器及相關介面單元所構成的二級集散控制系統（ dcs ） ；介紹了幾個主要程序模塊的設計思路、工作過程，這些程序模塊是：用高級語言visualbasic6 . 0開發的上位機人機交互界面程序、數據處理和圖表輸出程序，用執行效率高的匯編語言開發的下位機數據採集與系統監控程序、上位機與下位機之間的數據通信程序，匯編語言與vb之間的轉接程序，等等。
  10. During the applied procession, the writer exerts factor ( principal components ) analysis and cluster analysis to dissect the economic benefit of the agricultural production simply and indirectly, and thereby avoids the difficulties of collecting the related data and inaccurate consequence even though with the essential data

    在運用的過程中，筆者獨創性的運用因子（主成分）分析和聚類分析的方法簡便、間接的分析出農產品的經濟效益的好壞，從而解決了經濟效益指標難于收集且收集得到的數值真實性和準確性不佳的難題。
  11. To analyze some key technologies of optical network relative with rwa in detail, such as transmission, switching and internetworking ; to emphasize on the research of function, fabric and performance of optical cross - connection ; to carry out numerical simulations for crosstalk introduced by optical cross connect and to present measurements for suppressing it such as doubly filtering, fixing optimum decision threshold and appropriately choosing the number of multiplexed wavelengths ; 3. to research the fundamental principle and some problems relative with rwa, including the type of optical network, the type of traffic, the type of service, the survivability of optical network ; to classify and compare rwa algorithms and particularly research some dynamic rwa algorithms ; 4. to present reserved light - path and classify network resource such as used, unused and reserved status, to emulate establishment of all - optical connection in optical network through modified rwa algorithm and show effectively reducing setup time of all - optical connection utilizing reserved light - path ; to research rwa algorithms of multi - fiber network, to present new link weight functions dependent on node degree, unused fiber ( s ) per wavelength - layer and routing policies, to perform emulation of rwa based wavelength layer graph applying new link weight functions and show them make algorithms better performance and network lower blocking rate ; 5

    詳細分析了與rwa相關的光網路關鍵技術，包括傳輸、交換、組網等，重點研究了光交叉連接的功能和結構、性能，對其引入的串擾進行了詳細分析，選擇恰當的器件參數進行了數值模擬，並提出了抑制措施（如雙重濾波、優化判決門限、選擇恰當的復用波長數） ; 3 .研究了光網路的r認叭的基本原理、與r認叭的幾個相關問題（光網路類型、業務類型、流量類型、光網路生存性） 、 r認人演算法的分類和比較，具體研究了幾種動態r場人演算法; 4 .研究了以全光連接建立時間為優化目標的r認認演算法，提出預置光路的概念，對網路資源進行狀態分類（佔用、未佔用、預置） ，利用改進的r認叭演算法模擬，預置光路可為部分新到的連接請求快速建立連接，從而提高網路性能;研究了以多光纖網路連接阻塞率為優化目標的r認城演算法，提出了以節點度數、每個波長分層的空閑光纖數以及路由策略決定的幾種鏈路權重函數，利用基於波長分層圖模型的并行r場人演算法模擬，利用新的鏈路權重函數使得演算法具有更優的性能，使網路具有更低的連接阻塞率。
  12. A good many case of approaching excavation are studied in this article, such as the study of infection of be coal mining to the huayingshan tunnel, technology study of strucked tunnels of metro in shenzhen, countermeasure study of tunnel approaching pile foundation of metro in guangzhou, excavation methods optimized of large cross section subaqueous tunnel approaching pile foundation of lrt in chongqing, etc. on the basic of analysing and concluding relative study production all over the the world by the numbers, classification of approaching excavation, partition of approach zone, formula of partition of approaching zone, approach degree and countermeasure grade of generalized approaching excavation of underground works are put forward. general methods studying and trea

    本文結合作者多年來對華鎣山隧道減少壓煤量研究、深圳地鐵重疊隧道第11頁西南交通大學博士研究主學位論文技術研究、廣州地鐵公紀區間廣紡聯段鄰樁施工對策研究和重慶輕軌大坪大斷面車站鄰近基礎淺埋暗挖工法優化分析等諸多近接施工問題案例的研究，在系統分析和歸納總結國內外相關研究成果的基礎上，系統地提出了廣義的地下工程近接施工的分類、分區、分區指標表達式、近接度與對策等級概念以及分區、分度準則，給出了研究和解決近接施工問題的普遍方法，如數值分析先行，模型試驗、現場測試驗證等。
  13. In the paper, series of definitions about chaotic dynamics system are summed up, several methods for judging whether a system is a chaotic one is discussed, property analyses of chaotic systems is studied and rudimentary characteristic of chaotic motion is generalized. two kinds of nonlinear systems are analyzed in this paper. melnikov function is used to study the vibration systems

    根據混沌運動的特徵，本論文主要對兩類具有廣泛代表意義的典型非線性系統問題進行了討論，利用數值分析的方法對系統進行了分析，得出系統出現混沌的閥值；然後綜合運用相圖分析、直接觀察時間序列和李雅譜諾夫指數法對系統是否產生混沌運動進行了描述和刻畫。
  14. To solve these problems respectively, the color space transformation and bp neural network are firstly used to realize the classification and threshold processing of images. then the images processing including thinning, interval linking, code word chaining, seed filling, boundary fitting is performed well by some methods in mathematical morphology and computer graphics and interpolation in numerical value analysis

    為了逐一解決這些困難，運用了色彩空間變換以及bp神經元網路的方法對圖像進行分類和閾值處理，利用數學形態學和計算機圖形學以及數值分析中的插值等方法對圖像進行了細化、間隙連接、鏈碼、種子填充、邊界擬合等處理。
  15. First, introduce the reasons and character of current banking m & a, then summarized the former studies of the three ways of m & a to efficiency gaining : size versus size economy, m & a versus banks efficiency, and m & a versus shareholders wealth. then introduce the research approaches of m & a efficiency gaining, especially the approaches of m & a versus banks efficiency, such as parametric frontier approaches and non - parametric frontier approaches. in the following, through roe model and dea model to study the relations between size and efficiency, finding : middle size banks efficiency is higher, larger banks have n ' t scale economy, small banks have low em, and through directly analyzing m & a efficiency of four commercial banking m & a case in china, finding : the past - merged efficiency of shanghai pudong development bank has been improved, and others have been deduced, but after three years the efficiency increased little by little

    首先，分析了當前銀行並購的主要原因、特徵以及我國銀行並購的現狀與特點；接著對銀行效率水平的概念進行分析，綜述了國外對銀行並購與效率獲利的三方面的研究（考察銀行的規模與效率這種間接方式、比較並購行並購前後的效率以及並購行與非並購行的效率和考察上市銀行並購前後股東財富的變化這兩種直接方式）的有關文獻；再次對銀行並購與銀行效率獲利的分析方法進行了介紹，其中詳細地研究了前沿分析法：參數分析法和非參數分析法，並指出了這些方法的特點；然後運用財務比率分析法和dea方法對我國商業銀行規模與效率從間接角度對銀行並購產生的效率獲利進行了實證研究，結果發現：中等規模的商業銀行的效率最佳，而小規模的銀行的em值較低，同時大規模的商業銀行的規模無效；同時利用我國已發生的四個銀行並購案從直接的角度對我國商業銀行並購的效率獲利進行分析，結果發現：除上海埔東發展銀行在並購後效率提高，其他三家銀行並購后的效率都有所下降，但並購后第三年效率又逐漸回升。
  16. One is the direct way in which under the definition of the iopc convention, all the types of damage or losses are evaluated and summed up by means of appropriate mathematics methods according to their characteristics. the another is an indirect way in which the spill information and criteria of the accident ( such as oil amount, oil properties, spill location, spillet area, polluted coast land ) are compared with those of the previous oil pollution compensation cases by means of the fuzzy ranking method, and the damage and losses range of the accident can be obtained based on its similarity to the cases

    為此本文提出了間接評估法，即根據船舶油污事故之間所具有的類比性，以及產生損害程度與溢油種類、數量、油膜面積、受污海岸類型和長度等指標密切相關的特點，應用模糊優選排序原理，通過與歷史事故賠償案例的多指標綜合類比，在得到各案例對于「損害程度」的相對隸屬度值后，依據隸屬度的大小將待評估的樣本與其他歷史案例一起進行關于「損害程度」的排序，則可得出此次油污事故的損害程度大小及應賠償的上下限范圍。
  17. Firstly, discrete methods of time and space in the dns are introduced in the present paper. and the procedure of solving the navier - stokes equation is also presented. in addition, ways of correcting time - splitting error and removing aliasing error in pesudospectral transform method are introduced too

    本文首先介紹了直接數值模擬中時間和空間離散的方法，並詳細介紹方程的求解的步驟以及偽譜法中混淆誤差產生的原因及其消除方法，並對時間分裂法造成的散度誤差的修正方法進行了簡要的介紹。
  18. Lastly, aiming at the poor results which all current algorithms do for directional textures, and cannot synthesis texture directly, aiming at the particularity of this kind of textures, we bring forward the conceptions of non frontal parallel textures and frontal parallel textures. by analyzing texture ' s direction through fourier spectrum, we introduce the conception of main direction, and solve the approximation value of texture ' s main direction by discrete approximated approach. by this way, we can synthesis indirectly simple structural non frontal parallel textures

    最後針對現有演算法對帶有方向的紋理合成效果差，無法直接合成紋理圖像的難點，本論文首先提出了非正平行紋理與正平行紋理的概念，分析了它們之間的內在聯系，引入了兩個角度參數來描述紋理的朝向，採用傅立葉頻譜法分析紋理的方向特性，並提出了紋理主方向的概念，本論文引入離散逼近的方法來求解出紋理主方向的近似值，這樣我們就能用一種間接的方法合成簡單的結構性非正平行紋理。
  19. The present work is carried out by direct numerical simulation ( dns ), the non - linear navier - stokes equation is formulated in terms of spectral method with fringe method. the objective of present work is to explore the spatial and temporal evolution of pipe flow with the disturbance imposed on the pipe wall in the form of periodic suction and blowing ( psb )

    本文使用直接數值模擬（ dns ）方法，通過譜方法結合嵌邊法求解非線性的navier - stokes方程，來研究由圓管壁面引入的周期性吹吸（ psb ）擾動作用下，圓管流動沿流向的空間演化規律及其相應的時間演化過程。
  20. For the cloudy region, the pixel values were substituted by the image data of same period and close time after being calculated. the calculation was based on the correlation of clear sky image with cloudy. at last, clear - sky day - time - averaged lst image of guangxi were made

    再對該原圖進行雲剔除，並選擇與原圖時相最接近的實況樣本，用統計回歸方法進行相幅間的數值補償，由此剔除原圖中的雲區，最終製作生成廣西全境白天千米空間尺度的lst平均圖。
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