等時線法 的英文怎麼說
中文拼音 [děngshíxiànfǎ]
等時線法
英文
isochrone method- 等 : 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...
- 時 : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
- 線 : 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...
- 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...
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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。Because color isochromatic fringes appear in the stress model based on a plane polariscope in white light, we studied the problems systematically by a digital camera as image inputting device, digital image processing technique and bp artificial neural network. based on the work that has been reported before, a technique named five - step color phase shifting technique ( fcpst ) to acquire single isoclinics is presented
根據白光入射時應力模型在偏振儀光學系統中的等色線條紋是彩色的特點,本論文採用彩色數碼相機作為數據採集與輸入設備,結合彩色信息圖像處理和bp神經網路等新技術,對上述兩個難題進行了系統的研究,獲得以下成果:在綜合前人工作的基礎上,提出獲得全場單純的等傾角相圖的五步彩色相移法。The hybrid algorithm raises the convergence rate of the conjugate gradient method and solves the problem for which the convergence rate of the steepest descent method get slower when the isopleth of goal function is oblong
這種混合優化演算法結合了共扼梯度法和最速下降法產生搜索方向,既提高了共扼梯度演算法的收斂速度,又解決了目標函數的等值線是扁長橢球時,最速下降法下降緩慢的問題,具有收斂速度快、收斂范圍大、適應面廣等特點。In the post - process, uses the microsoft medias technical to design cartoon display mode, it raises cartoon speed and saves disc space, it can produce majority prevailing medias form. in interpolation, introduced dsi method, which improve the interpolation method of isoline, raise algorithm speed and efficiency, satisfy the real - time quality request. on the basis of scanning line algorithm, use opengl smooth interpolate method to improve the implementati
在後處理過程中,引進了dsi插值方法,改進了以往等值線插值,提高了演算法速度和效率,滿足了實時性要求,在掃描線演算法的基礎上,引進了opm沁l插值方法,改進了雲圖實現方法,提高了圖形顯示精度,在動畫格式上,我們可以根掘自己需要實現不同精度的不同壓縮格式動畫文件,提高了后處理顯示應用場合,改變了以往動畫格式單一的形式。This system provides photo elastic, moire, holographic, speckle technology contained in optical measure strain and displacement analysis software interface, and mainly realizes photo elastic image collection, interference image pretreatment, automatic skeleton extract method, automatic main strain trace protraction method and planar photo elastic image strain analysis function. all the work that the author has done has established a good foundation for more realization of an intact optical measure image strain analysis software system. furthermore, engineer and lab assistant can quickly obtain concise, intuitionistic and quantificational information
該系統提供了光測力學所包括的光彈法、雲紋法、全息法以及電子散斑法等技術應力和位移分析軟體實現的介面,主要實現了等差線圖像和等傾線圖像的採集、干涉條紋圖像預處理、全自動提取光彈條紋圖像骨架線、全自動繪制主應力跡線以及二維光彈應力分析功能,為進一步開發完整的光測力學圖像應力分析軟體奠定了基礎,同時使工程技術人員以及實驗人員能夠迅速的獲取簡明、直觀、定量的信息。In this paper, thermal evolution history of organic matter of the source rocks and hydrocarbon generation history have been researched by tti method, hydrocarbon migration direction and migration times were probed combining with the area structure development feature ; distribution pattern of the main reservoir intervals on lateral and longitudinal have been predicted by researching on development feature and control factors of the reservoir intervals, the actions of reservoir conditions in hydrocarbon accumulation and bearing also were probed combining with pore evolution feature ; the micro - pore feature of regional cap and direct seal in carboniferous - lower triassic in this area have been determined with micro - capillary pressure curve and intrusive mercury curve ; the prospecting districts have been pointed out combining with the hydro - geologic feature, the potential reservoirs were classified according to trap types in this area, the author attempt to evaluate on the hydrocarbon - bearing condition in the str ata of carboniferous ~ lower triassic from hydrocarbon generation and migration reservoir condition, reserved condition etc, and predict the reservoir types and hydrocarbon - bearing patterns combining with the structure evolution. based on above, the author point out that the central block of chenghu - tuditang synclinorium and the southern block of dangyang synclinorium are the advantageous regions for exploration
本文用tti方法研究了烴源巖有機質的熱演化史和油氣生成史,並結合區內構造發育特徵,探討油氣在區域上的運移方向和在時間上的運移期次;通過對儲集層段的發育特徵和控制因素的研究,預測了本區主要的儲集層段在橫向上和縱向上的分佈規律,並結合孔隙演化特徵,探討儲集條件在油氣聚集成藏中的作用;利用微毛細管壓力曲線法和壓汞法,對石炭系?下三疊統的區域蓋層和直接蓋層的微孔隙特徵進行了定量評價,並結合水文地質分佈特徵,指出有利於油氣保存的地區;根據區內存在的各種圈閉類型,對可能存在的油氣藏進行了分類,並試圖從油氣的生成與運移、儲集條件、保存條件等方面,動態地綜合評價石炭系?下三疊統油氣成藏條件,並結合構造演化特徵,預測其油氣藏類型和成藏模式。The calculation method of ln ( / tan # ) index widely used is the multiple flow direction algorithm developed by quinn et al. it can been seen that, in the algorithm, the contour length normal to the direction of flow flowing out the current cell is used to determine both a and tan #, and that the calculated total cumulative contributing area of downslide grid cell does not include the area of the current cell
目前普遍使用的計算該地形指數的方法為多流向法。方法中計算和tan用的均是與流出單元網格流向垂直的等高線長。另外計算下坡單元網格累積匯流面積時沒有考慮欲計算ln ( tan )值的單元網格的面積,這些是不合理的。Then, the chaser ' s two orbit roots are selected as variable and visualizing the simulation by contour plot. this part of research draws the conclusion the same as the first part when the target ' s orbit is circular orbit, while the selected two variable can be wildly changed if the target ' s orbit is elliptical orbit. next, wait time before orbit maneuver is simulated
其次,利用可視化的等值線圖研究了追蹤器軌道兩個參數為變量的情況下大范圍軌道機動問題,分析表明對圓軌道目標器交會機動時,追蹤器軌道根數不宜與目標器軌道根數相差過大,而對橢圓軌道目標器交會機動時,追蹤器軌道根數可選范圍較大,機動策略和方法富於彈性。The result can be long distance reception of radio waves that would normally have been far beyond the radio horizon. the equations for ray tracing were given, simulating and tracing electro - magnetic wave duct propagation using spherical layered atmosphere mode, this method is very useful for analysis of radar echo distribution and confirm relation of stratification of atmosphere and ray duct propagation in the process of studying radar second product, introduce a new 3 - d interpolation method. outcome of this method can suit all kinds of density product
在雷達二次產品處理演算法中,討論了一種新的三維插值,比以往在顯示每一個雷達二次產品時,都作一次插值相比,這種方法既節省了總的機時,也提高了每個產品的顯示速度,在討論這種方法后,用幾個產品的實例,說明了這種方法是可行的,並且還討論了等值線的生成原理,在「雷達二次產品處理平臺」下,開發了visualc + +實現程序。Considering the time of trip proving to be overall evaluation merit on traffic impact area, using the experience of the road impedance function, the article puts forward a method based on time using for evaluating traffic impact area, namely t - tia, and provides a new method which can be applied to evaluate traffic impact area effectively
本文選用出行時間作為綜合評價交通影響范圍指標,在分析出行時間的基礎上,通過借鑒城市時間路阻函數,提出了基於時間的交通影響分析的方法t - tia ,從而確定了交通影響范圍量化的新方法。在對等時線的特點進行分析之後,本文採用其作為基於時間的交影響范圍量化方法的評價形式。Research on an isochrone approach and its shortest routing algorithms based on gis
等時線分析方法及其最佳路徑演算法研究Solution of nonlinear wave loads in regular oblique seas. based on strip method, thinking about nonlinear factors such as no straight shipboard on waterline, the instantaneous variation of wet surface shape and slamming effect of ship bottom, the numerical methods of nonlinear fluid force in large amplitude oblique regular seas are discussed
關于斜浪規則波中非線性波浪載荷的計算:本文基於切片理論,考慮到船體非直舷、水下剖面形狀的瞬時變化以及砰擊等非線性因素,討論了大波幅斜浪規則波中非線性流體力的時域計算方法。Meanwhile, we built models of data collection, soeciai point ' s altitude handling, grid point ' s altitude handling, designed a method which can rapidly collect and process terrain data by descripting the contour line with mouse, and designed corresponding software by c + + builder5. 0. therefore, military digital maps can be facilitly and quickly made and computer - aided terrain analysis can be realized, thus the system can effectively help the commanders or staffs make their decision
同時建立了數據採集、特殊點高程處理、網路交點高程處理等模型,設計了一種可通過鼠標器描繪等高線而實現地形數據的快速採集、處理和賦值的方法,運用c + + builder5 . 0設計了相應的軟體,能夠方便、快捷地生成數字化軍用地圖並進行計算機輔助分析地形,從而能夠有效地幫助指揮員或者參謀人員進行決策。It can accomplish the contrast reverse transformation, contrast linear enhancement, histogram modification, filter ( lowpass and highpass ), and the writer give two new algorithms which has been realized in fpga, one is automatic gain linear enhancement, the other is complicated background restrain based on common knowledge
其核心部分採用altera公司的ep1k100qc208晶元,構造專用處理功能,實現了直方圖統計與均衡化、高通濾波、 fir濾波、中值濾波等演算法。同時提出了自動增益線性變換、基於知識的紅外背景抑制二種新演算法,並在fpga中實現。Aiming at the concrete need in srttep construction and embodying the managing theory of the combination of the prearranging programming and comprehensive control, the article proposes the cpm - based schedule operating program of srttep on the basis of the relationship among schedule program, cost and quality which thus realizes the close combination of schedule program and project control ; based on the comparative analysis of experience estimation method, factor estimation method, wbs estimation method and comparison estimation method, the cost controlling strategy is worked out that attaches importance to the srttep cost budget and market economy situation. meanwhile, comprehensive quality management theory is introduced in the project " s schedule program. aiming at subsidiary project bidding, equipment purchase, essential quality inspection, detailed quality insurance system and rules are worked out so as to achieve the goal of high - quality construction of srttep
( 3 )針對川塔項目施工建設具體需要,在充分體現項目事前規劃與全面控制相結合管理思想和所進行的項目wbs結構分解基礎上,基於項目進度? ?費用成本? ?質量三者之間的關系,提出了基於cpm關鍵路線法的川塔項目進度計劃制定方案,實現了進度規劃與控制的緊密結合;在對比分析經驗估演算法、因素估演算法、 wbs估演算法、類比估算等方法和技術基礎上,制定了側重於預算的川塔項目成本基本規劃方法,以及結合市場經濟情況的成本控制策略;同時將全面質量管理思想,引入了項目施工方案中,針對子項目招標、設備采購、重點質量監控點等設立了詳細的質量保障機制和細則,以確保達到工程優質建設的目標。The distribution map produced by spline interpolation is smooth, and spline method has good interpolation effect with rapid run speed in case of dense sampling points
樣條法插值獲得的等值線分布圖比較光滑,當采樣點比較密集時,具有較好的插值效果,運算速度也較快。In this paper, the temperature fields during liquid infiltration extrusion of composites are simulated with the fem, the seepage fields of liquid metal are simulated with the fdm. both the temperature fields and the seepage fields are coupled, the temperature variation curves, infiltration front process curves and velocity variation curves with time are obtained
本文採用有限元法模擬了液態浸滲擠壓復合材料浸滲過程溫度場,採用有限差分法模擬了液態金屬滲流場,將兩者間接耦合分析計算,得到了浸滲區域的溫度變化曲線、浸滲前沿及浸滲速度隨時間變化等曲線。After the discussion of the numerical simulation method based on the fdtd method and the pml technique, the motions of the charges and the electrical field lines were first employed to describe the radiation procedures of the pulse electromagnetic waves. then the causes of how the charges are accelerated and how the motion status of the charges are maintained were further studied from the angle of interaction of charge and field. after these analyses, it was pointed out that the pulse radiation is due to the suddenly occurred time - varying electrical field ( displacement current ) in the open space. this view was further evidenced by two examples : one is the partly resistance loaded antenna, the other is the partly curved antenna. the radiation procedures of the pulse electromagnetic waves of many different situations were simulated throughout this paper with the contours and waveforms of electric field given. these figures are very helpful to the understanding of the radiation mechanism of the pulse electromagnetic waves
在討論了基於時域有限差分法和完全匹配層技術的數值模擬方法之後,首先從運動電荷和電力線的角度直觀地描述了脈沖電磁波的輻射過程,然後進一步從場與電荷相互作用的角度分析了天線上電荷是如何被加速以及如何維持其運動狀態的,指出了開放空間中突然出現的時變電場(位移電流)是脈沖電磁波輻射的根本原因.文中還對局部電阻加載的天線和局部彎曲的天線進行了研究,以進一步說明上述觀點.對多種情況下的脈沖輻射過程進行了數值模擬,並給出了電場的等高線和空間波形圖,這些圖形對理解脈沖電磁波的輻射機理非常有益Establishing 3 - d terrain models with vector contour lines and elevation terrain models with the help of the determination of space corresponding relations between contour lines, tile operation and branch operation. explanation of real - time reflection of terrain models, including three algorithms in lod technology, compared with quadtree algorithm, roam algorithm and the algorithm based on the intermediate belt, to show the advantages and disadvantages of the different situations of the terrains, so as to find out the right algorithm, the quadtree algorithm. developing and implementing the fast demonstration on the vc platform with three - dimentional visualization techniques, such as vrml and opengl, providing a persuasive argument for the research
論文首先概括介紹了用等高線快速建立3d地面模型和顯示的相關技術,並論述了課題研究的背景和選題依據;其次,論文闡述了如何對等高線數據進行預處理,提出了有效的得到矢量化等高線的方法;再次用矢量化的等高線數據建立三維地面模型,通過等高線間的對應關系的確定、瓦片操作、分支操作建立地面的高程模型;然後論文對地面模型的實時渲染問題進行了深入闡述,主要是從lod技術的三種演算法著手進行研究,通過對比四叉樹演算法、 roam演算法和基於過渡帶演算法對不同種情況的地面數據顯示的優缺點,再結合本系統的地形數據的特點選擇了適合的演算法:四叉樹演算法;最後,用vrml和基於opengl的三維可視化技術在vc平臺上開發並實現了地形的三維快速顯示系統,為論文的研究內容提供了有力的論證。Secondly, combining practical survey method and time - resistance mathematic model, the author obtained average time distance from every time - cell to fictitious time center, isotime curve figure ( by arc view 3d analyze ) and temporal shape
然後利用實際測量法和理論公式法計算出深圳特區各時間單元的平均時間距離,並用arcview中的3d分析模塊自動生成等時線圖。分享友人