方格計數法 的英文怎麼說
中文拼音 [fānggéjìshǔfǎ]
方格計數法
英文
crisscross method- 方 : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
- 格 : 格象聲詞rattle; gurgle
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 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...
- 方格 : check
- 計數 : count; tally; counting計數卡 numbered card
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Residual a posteriori error estimate two - grid methods for the steady navier - stokes equation with stream function form
方程流函數形式兩重網格演算法的殘量型后驗誤差估計For this purpos, from the point of the log geology, aimed at the actuality of the current fractured reservoir log geology interpretation and evaluation, based on synthetical analysis of the current domestic and foreign fruit of fractal dimension investigation of reservoir fracture, using the method and technique of fractal dimension, through the further discussion of the fractal dimension characteristics of m index and n index in the log interpretation archie model in a sample way and through the theoretic reasoning to the fractal dimension dfa and m index of fractured reservoir interval ' s log curve, according to the geophysical signification of the fractal dimension dfa of fractured reservoir interval ' s log curve shape : the more complicated the change of the curve shape is, the larger the its dfa value is, then the more complicated space structure of fracture and pore, then the higher value of m index of space structure of fracture and pore, and so on, the text propounds an improved method, based on box dimension, of covering log curve with scale grid, and by programming computes the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, then further puts this technique into application investigation, and makes analysis of application effects in the reservoirs located in l area of qx oil field from three aspects : 1. the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, which are derived from computing, is used to identify reservoir type by crossplotting m index with the product df _ acrt of fractal dimension of acoustical wave log curve and restivity log curve and by experiential discriminance plate of reservoir type in l area of qx oil field
因此,對該區裂縫性儲集層的類型識別、孔滲特徵的測井地質解釋以及儲層裂縫的發育和分佈規律進行深入的研究便成為本文研究的出發點。為此,本文從測井地質的角度,針對當前裂縫性儲層測井地質解釋與評價的現狀,在綜合分析當前國內外儲層裂縫的分形分維研究成果的基礎上,利用分形分維方法和技術,通過對archie測井解釋模型中的m指數、 n指數的分形分維特性的深入淺出的論述以及裂縫性儲層段測井曲線分維d _ ( fa )與m指數的理論推導,根據裂縫性儲層測井曲線形態分維值的地球物理意義? ?曲線變化越復雜,則其分維值d _ ( fa )越大、裂縫孔隙空間結構越復雜、裂縫孔隙空間結構指數m值越高等特徵,提出了改進的基於盒維數的測井曲線網格覆蓋法,編程計算了裂縫性儲層段常規測井曲線(如聲波和電阻率曲線)上分形分維值及其m指數值,進而從以下三個方面對qx油田l區塊的裂縫油藏進行應用研究,效果十分理想: 1將計算得到的可變的m指數與聲波和電阻率分維之積df _ acrt進行交繪,採用儲層分維值分類技術統計分析這些參數變化的規律,並結合qx油田l區塊儲層類型經驗判別圖版,從而實現qx油田l區塊下白堊統的裂縫性儲層的類型識別。The paper gave some methods for calculating the area of anomalistic area on plane, and then deduced the methods for calculating coordinates points and counting grids, and finally the paper gave another method of counting pixels
介紹幾種求取平面不規則區域面積的方法,再推演出專用於計算海域面積的坐標法和方格法,並給出一種適合計算機計算的數點法。In this paper, the measuring of the main parameters as slub length, slub multiple and slub pitch and their imitative design method are described
摘要介紹了竹節紗竹節長度、粗度、竹節間距等主要規格參數的測定與仿樣設計方法。In this paper, the upwind scheme and the central scheme are presented for solving 3 - d n - s equations using the cell - center finite volume spatial discretization and four - stage runge - kutta time stepping scheme, with standard convergence acceleration techniques such as local time stepping and implicit residual smoothing
在n - s方程的數值計算上,採用了中心差分格式和迎風格式,用格心格式的有限體積法進行了空間離散,用四步龍格?庫塔法作顯式時間推進,並採用了當地時間步長和隱式殘差光順等加速收斂措施。Considering of the differences of task scheduling between a grid and a distributed system, this dissertation designs a real number encoded mode that mapping every task to a random resource directly by improving the encoding mode of the traditional genetic algorithm, and gives a particular design to the encoding and decoding mode. at last, this algorithm is simulated in the grid simulator. the experiment results show that the reformative genetic algorithm not only has a holistic searching ability, but also makes a fast convergent speed, which provides a preferable performance
本文根據網格計算任務調度的特點,提出了基於改進的遺傳演算法的網格任務調度,通過對傳統遺傳演算法的編碼方式進行改進,針對網格任務調度與一般分散式系統任務調度的不同之處,設計了資源?任務的一一對應的實數編碼方法,詳細設計了其編碼及解碼方式,最後在網格模擬器中進行了模擬,實驗數據證明了改進后的遺傳演算法即具有全局搜索能力,又具有較快的收斂速度,具有較好的性能,該實驗達到了本文以實現任務調度的最優跨度為目標的實驗目的。This optimizing method had been used successfully in full - scale aircraft testing. 6 ) in the global equilibrating, a modified lagrange multiplier method had bring forward. this method can solve inequality constrained optimizer problems
在整體平衡中,提出了改進的拉格朗日乘數法,成功地解決了含不等式約束條件的優化問題,該方法具有計算簡單,收斂速度快等特點。In this paper, the method of small parameter is used to calculate the multipolar expansion of gravitational radiation in classical situation, and the general expression on multipolar gravitational radiation is obtained. then the angle distribution characters in an arbitrary direction are given. this expansion method can avoid the higher order tensors when dealing with the gravitational radiation higher than quadrupole
本文採用小參數法作為經典引力輻射的研究方法對引力輻射作多極展開,得到各極引力輻射的一般表達式,並給出了沿任一方向引力輻射的角分佈的嚴格證明,這種展開法在處理四極以上的高階引力輻射時卻可以不涉及更高階的張量計算。Generally, the skew bridge ' s calculation theories can be divided into three types : the category 1 is the plank theories method, such as the finite difference method, the finite element method and the finite strip method, etc ; the category 2 is the beam theories, such as the grid beam theories, the general grid theories, the rigid cross - beam method, the elastically - supported continuous beam method and the bar system analytical method, etc ; the category 3 is the practical method, such as the g - m revising method, the grid - beam simple method and ghali form coefficient method, etc
目前關于斜梁橋的計算理論和方法概括起來,大致可以分為三類:第一類為板理論方法,如有限差分法、變分法、有限單元法、有限條法等;第二類為梁理論法,如格構梁理論、一般格構理論、剛性橫梁法、彈性支承連續法、桿件結構的分析方法;第三類為實用計演算法,荷載橫向分佈的計算方法如g ? m修正法、格構梁的簡易法、 ghali表格系數法等。At first, the pll part and the dds part have been explained rigidly in mathematics. then how the phrase noise and the spur influences the circuit has been discussed in this paper. the above analysis is the basic of designing high performance frequency synthesizers
本文首先對pll部分和dds的理論做了嚴格的數學解釋,並對其雜散頻譜和相位噪聲進行了討論,給出了其雜散分佈規律及降低雜散的設計方法。Three finite - difference methods, i. e., stagger grid, implicit and explicit algorithms, are analyzed in detail. multi - grid algorithm is firstly introduced in elastic wave simulation, to solve for the stability problem inherent in stagger grid and implicit algorithm, also for the efficiency problem inherent in explicit algorithm, and the precision, stability and efficiency for simulation of elastic wave arc increased by multi - grid method. phase - delay method is provided to effectively absorb boundary reflection and increase efficiency for wave motion simulation, based on phase delay and amplitude decaying features along wave propagation
在水平分層介質接收函數的波形反演研究的基礎上,本文系統闡述了非均勻介質中彈性波傳播數值模擬常用的三種有限差分方法:顯式差分、隱式差分和交錯網格法,首次將多重網格演算法應用於彈性波方程的數值模擬問題,克服了交錯網格法和顯式差分法穩定性差,以及隱式差分法計算效率低的缺點,大大提高了彈性波數值模擬的精度、穩定性和計算效率。In the second chapter, the concept of value multiple is introduced in details and a new valuation model is given at the end of this chapter. an important conclusion is drown through data analysis in american capital market in the chapter three : there is a strong relativity between the value multiple and the stock price. in the next chapter, we analyze those factors that they can weaken the effect of value multiple when we use it to judge the intrinsic value of securities in our country and countermeasures ^ against those factors
本文第一章主要就證券價值分析的一般原理、常用方法以及存在的問題進行了探討;第二章主要就價值倍數法的理論基礎、計算公式進行闡述和推導,並最終構建了基於價值倍數概念上的估值模型;第三章主要通過美國資本市場的數據對價值倍數與股票價格之間的關系進行了探討,最後得出二者之間為正相關的結論;第四章主要就我國證券市場上影響價值倍數運用的主要因素以及對策進行探討,並通過實例演示證明價值倍數模型在我國證券市場運用的有效性;第五章對整個研究過程進行了總結,並就其中存在的問題提出了改進的思路以及進一步研究的方向。This paper analyzed the criterion of the safety evacuation, factors affected on safety evacuation, calculating method of evacuation time and the smoke layer falling time, typically introduced the several calculation method that i had know, such as the japan three steps calculation method based on experience ( awareness time, travel time, queue time ), two computer modeling calculation method such as simulex and exodus and a spatial grid computer model of hongkong. and it also analyzed and certificated the application scope and difference between the computer modeling calculation methods and japan method with the practical project. all these are aimed to provided preference for performance - based design method and design of computer program for modeling evacuation of people, and advanced the steps of performance - based fire protection design method in our country
本文對安全疏散的標準、影響安全疏散的因素、疏散時間和影響疏散的煙層下降時間的計算等方面進行分析,重點介紹了作者所掌握的疏散時間的幾種計算方法,日本的三步驟疏散時間經驗公式計算方法(察覺時間、步行時間、排隊等待時間) 、以及兩種計算機疏散計算模型simulex和exodus 、香港的空間網格計算機模型的計算方法等,並結合實際工程來分析驗證疏散計算機軟體模擬和日本經驗公式法之間的不同與適用性,並對疏散計算中的重要參數,人員密度和疏散人數的確定進行介紹,旨在為我國的性能化疏散設計與疏散模擬的計算機軟體的編制提供參考,同時促進我國性能化防火設計的進程。The preliminary results obtained by solving n - s equations show - viscous effects clearly. in addition, based on euler equations the effects of point distribution, cloud structure and weight selection on computational results have been analyzed, which results in having a convenient technique of point distribution in the computational domain and a rule of point selection forming an appropriate. clouds of points used in the computation
此外,論文結合無粘euler方程的求解,對無網格演算法涉及的計算域內點的分佈、當地點雲結構及空間導數逼近的加權因子等問題對計算結果的影響進行了分析和比較,完善了方便的區域離散布點方法,明確了點雲生成選點準則。In the paper, it considers how to determinate the base time, how to choose the weight, how to select a better method to organize the index. then, it analyze the main reason of choosing the method of the effective exchange rate index, one is the weight, the other is the individual exchange rate index, the two are put in different situation then it can be discriminated, then, the index is organized by this way
在第三章中,首先依據統計指數理論和方法,通過對編制匯率指數的各種方法進行深入具體的比較,剖析了各種方法的理論上的優劣性質和實際操作的可行性,選擇採用加權幾何平均法作為編制人民幣有效匯率指數的基本方法,進一步具體地探討了樣本貨幣的構成、基期的確定、權數的選擇、價格指數的選擇以及相關數據的預處理等問題。In this thesis, abundant statistical data are contained, two methods are employed to give a positive analysis on the elasticity of demand ( eod ) of i & e in china during the period from 1990 to 2001 from the following three aspects : firstly, regression analysis is applied to calculate the average eod of the general i & e. generally speaking, the export is rich in price eod while the import has a poor one. in addition, the absolute value of the sum of these two kinds of elasticity is higher than 1, which accords with marshall - lener condition and proves that devaluation of rmb should be helpful to improve the trade balance. suggestion is further provided such as cutting off producing cost of export, improving technology and implementing strategy of import substitution to improve trade balance
本文運用豐富的統計數據資料、兩種方法、從三個層次實證分析了1990 - 2001年我國進出口商品的需求彈性:首先,運用回歸分析法計算總體進出口商品的平均彈性,得出我國出口商品總體富有價格彈性,而進口商品總體缺乏價格彈性,進出口需求價格彈性之和的絕對值大於1 ,符合馬歇爾?勒納條件,人民幣貶值有助於改善貿易收支的結論,並提出降低出口商品生產成本、提高生產技術水平、實施進口替代戰略來改善貿易收支;其次,運用彈性定義法逐年計算約100種主要出口商品和約50種主要進口商品的總體需求價格彈性,對其結果進行分析,進一步驗證了前述結論;再次,運用彈性定義法逐年計算農產品、鋼鐵、汽車、醫藥等五大類八種商品的進出口需求價格彈性,根據其不同的分佈狀況,聯系實際經濟情況,提出相應的匯率、價格及產業政策以改善貿易收支。In order to effectively use the vacant space beside the passenger train paths in the train running diagram of mixed passenger and freight lines and draw more freight train paths to improve the carrying capacity, the essay analyzes the reasonable drawing plan for freight train paths beside single passenger train arid two passenger trains respectively on the double tracked section with automatic blocking system according to the principle of minimal additional removal time and on the basis of the calculation method of removal coefficient table
摘要為了在客貨共線運行圖中有效利用旅客列車運行線兩側的空檔,盡可能多地鋪畫貨物列車運行線,以提高區段通過能力,在扣除系數表格計演算法的基礎上,按照附加扣除時間最少的原則,分析了在雙線自動閉塞區段單列旅客列車和2列旅客列車兩側貨物列車運行線的合理鋪畫方案。The author also uses the computation by tabulation to test the to all kind of possible planning schema of section station, and figure out the cost of transportation by the component of car flow from the viewpoint of economical evaluatioa at last, a feasible planning schema about section station of xiang - shi line is drawn
並採用行車組織中慣用的表格計演算法分析驗證各種區段站設置方案的優劣,又從經濟評價的角度計算各種區段站設置方案條件下可能產生的有調中轉車流和無調中轉車流的數量,計算出各種方案的運輸成本費用,進一步論證襄石線區段站設置方案的可行性。Sampling procedures for inspection by attributes - sampling schemes indexed by acceptance quality limit for lot - by - lot inspection
計數檢驗的抽樣方法.用合格質量標準aql檢索的批量檢驗抽樣方案When the author sets up the mathematics model with describing the process of two - dimensional debris flow, he develops the continuity equation by the law of conservation of mass and establishes the momentum equations by the law of conservation of momentum. the author makes full use of the advanced computer technologies, establishes the finite difference equation of numerical simulation by the differential operator fission method, and writes programs for computers which contact friendly with the other programs. the parameters are directly input on the keyboard
在泥石流堆積數值模擬方面,作者以前人工作成果為基礎,在建立數學模型時,根據質量守恆原理,推導建立了泥石流連續性方程,根據動量守恆原理,推導建立了泥石流運動方程;在數值解法上,充分利用高速發展的計算機技術,採用運算元分裂法建立數學模型的差分格式,開放式編製程序,人機對話方式設置參數,計算機程序具有通用性、可擴展性和易維護性。分享友人