鄰曲線 的英文怎麼說

中文拼音 [līnxiàn]
鄰曲線 英文
varied curve
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : 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...
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. Abstract : the esterification of phthalic acid and ethylene glycol under microwave field was studied. the results showed that it could get high yield of product and need less fime to complete the reaction

    文摘:觀測了苯二甲酸及乙二醇在微波輻照下的升溫,並研究了苯二甲酸和乙二醇在微波輻照下的酯化反應,結果表明,微波輻照下的酯化反應行為優于常規條件(電爐加熱)下的酯化反應行為。
  2. The effect on display characteristic made by thermal deformations of the shadow mask is comprehensively investigated. by using the electron beam distribution automatic measurement system with a micro - deflective coil, a concave spot in luminance distribution can be get. it changes its position when the shadow mask changes its form

    本文系統全面地分析了傳統蔭罩的各類熱變形對顯示屏特性的影響,利用本文研製的電子束亮度分佈自動測試系統,附加一個微偏轉磁場,使相兩電子束打在同一顏色的熒光粉條,並形成一個亮度凹點,當蔭罩變形時,凹點位置作相應的位移,以此原理跟蹤測量凹點位移量,即可得到色純漂移動態變化
  3. A normal transform is introduced, and there are enough much grids in the region between the critical layer and the wall, where the variation of the disturbance is the quickest. the finite - difference of governing equations with fourth - order accuracy in the normal direction is utilized in full regions including points close the wall, and is very important for accurately discreting equations. the combination of global and local methods is implemented, and a new iterative formula is derived

    對于坐標系下的拋物化穩定性方程,文中發展了求解的高效數值方法:引進法向變換,使得在臨界層與壁面之間的擾動量變化最快的區域有更多的法向網格點;導出包含邊界域在內的完全四階精度的法向有限差分格式,這對方程精確離散至關重要;採用全局法和局部法相結合的方法及其新的迭代公式,大大加速收斂並得到更精確的特徵值。
  4. Parameters can be interpreted through the method used in straight wells. after logging curves in horizontal wells are revised to true vertical depth, oil - bearing formation is evaluated through the comparison of wells combined with geological information. logging while drilling have great difference with ordinary cable logging especially in deviated holes and horizontal wells. comparison of cable logging and lwd carried out in different time indicates characters of mud invasion

    實際解釋lwd資料時首先需對隨鉆測井資料進行預處理和標準化,然後從隨鉆測井、錄井資料中提取與巖性密切相關的參數,建立測井相-巖相統計模式,並採用灰色關聯識別方法實時判別地層巖性;採用直井的參數解釋方法進行隨鉆地層參數解釋;將水平井的隨鉆測井從實際井深校正到垂直井深上,通過隨鉆測井資料與井測井資料的對比解釋,並結合地質、錄井資料進行隨鉆地層含油氣性評價。
  5. In order to geosteering, log - geology model of target formation should be built according to logging data and the interpreting result of wells nearby. geosteering parameters model is created to build simulative curves. compared these curves with logging curves, the position and drilling direction of the bit can be found combined with the concrete geological situation

    要實現地質導向,首先要根據井的測井資料及其解釋結果建立目標層測井地質模式,然後通過建立地質導向參數的預測模型構造相應的模擬,將模擬與實測進行對比,結合具體地質情況,確定鉆頭在目標層中的位置及其鉆進方向,及時調整井眼軌跡,使其始終保持在目標層中物性最好的部位。
  6. Molecular weight distribution curve of 1, 1 ' - diaformacylferrocene - o - phenylenediamine polycondensate has triplet and polydispersity is a little large. it should be pointed out that the fe2p3 / 2 peak appears basically near fe2 + characterizing 708ev in xps of the two polycondensates, this means that the ferrocene group is rather stable in the polycondensates

    其中, 1 , l 』一幾甲酞二茂鐵苯二胺縮聚物的分子量分佈呈現三重峰,表明在高轉化率時發生大分子鏈轉移後生成帶支鏈的高分子,其多分散性也較大。
  7. In practice, it ’ s very hard to find any ideal scatter points to track, so this thesis focuses on the motion compensation algorithm base on motion parameters estimation, which is used in r - d fft imaging algorithm and verified by simulation. work of this thesis contains : first analyze the signal - processing model of isar system in detail, and establish a 3 - dimensional mathematical scattering model of moving target. then some improvements are made on existing compensation algorithm, to get a higher image quality and reduce compute burden

    本論文有以下幾點創新: 1 .在距離向的補償(包絡對齊)方面,採用基準相關法代替相相關法或積累相關法,一定程度上解決了可能出現的包絡漂移和包絡突跳現象;根據目標運動軌跡特點,採用二次擬合的方法,將包絡對齊時的局部誤差轉化為全局的誤差,以便實現較優的整體對齊效果。
  8. Placement outline curves must be a closed profile. floor outline curves must be a closed profile. top outline curves must be a closed profile

    如果任意選定輪廓不是連續相切的,則顯示以下消息。相鄰曲線不必連續相切。
  9. In this paper, subjects mainly focused are as follows : to meet with the requirement of forward business and the establishment of mid - long term generation planning of hydroelectric plant, the yearly runoff and the monthly runoff are studied in this paper, providing many kinds models that suited to min - long term runoff forecast, including the time series analysis, the nearest neighbor bootstrap regressive model, the grey topological model, recession curve model, threshold auto regression, mean generating function, and ann model etc. the forecast result proves that these models are useful

    本文從以下幾方面進行了較為深入的研究: ( 1 )為了滿足水電廠的期貨交易及編制水電站中長期發電計劃的需要,本文對年、月徑流預測進行了研究,提出了徑流中長期預測模型,包括:時間序列模型、最近抽樣回歸模型、灰色拓撲預測、退水模型、門限自回歸模型、均生函數模型及神經網路模型等,從預測成果來看,效果較好。
  10. After the orderly reduction methods of massive scattered data being studied, this paper proposes a partial tangent plane slicing method and a virtual second - scan line method after giving a new k - nearest algorithm to re - organize the massive data. the new proposed methods of data reduction and grey theory based unusual noisy data process can be used to generate the scan line type data and it can be directly used to reconstruct curves and surfaces. the research lays a good foundation for reconstructing the cad model in a point - line - surface manner

    4 .深入研究了海量散亂數據的有序簡化技術,在提出建立海量數據點接關系k -近新的演算法基礎上,提出了局部切平面切片法和虛擬二次掃描法,實現了海量數據的有序重組,通過基於灰理論的數據簡化和異常點處理新方法,生成可用於直接重構面的掃描類型數據,為以點??面方式重構cad模型打下了良好的基礎。
  11. To fulfill the need of the application of rp technique in medical domain, reverse cad modeling from medical cross sections is systematically studied in this dissertation. firstly, some algorithms related to the research of this dissertation are studied. new algorithms for orientation and inclusion test for simple polygon, an error constrained automatic faring algorithm for b - spline curve and a theorem regarding the termination criterion for subdivision of triangular bezier patch are proposed

    本文針對rp技術在醫學領域應用的需要,系統研究了基於醫學斷層輪廓數據的反求cad建模理論和方法: ( 1 )在基礎演算法研究部分,提出了簡單多邊形方向及點在多邊形內外判斷的新方法、三角b zier面片離散的誤差控制定理和一種帶誤差約束的b樣條的自動光順方法; ( 2 )提出了一種基於相層輪廓相似性的醫學斷層輪廓數據面重構方法; ( 3 )提出了一種稱為「虛擬測量」的面模型處理方法。
  12. The ecological study of macrofauna was conducted on four typical sampling stations selected in the northern muddy bottom area of jiaozhou bay, estuary of dagu river, culturing and nearby area in hangdao in mar., jun., aug. and dec., 2002. abundance and biomass of macrofauna were investigated by quantitative study. the macrobenthic community structure and biodiversity were analyzed through multivariate statistic analysis

    本研究分別在膠州灣北部軟底區、大沽河口、黃島養殖區及養殖區域選取四個典型站位,於2002年3月、 6月、 8月和12月野外采樣,對大型底棲動物進行了定量研究,採用多元統計方法分析了群落結構和生物多樣性,探討了底棲生物群落與環境因子的關系;用豐度和生物量比較法分析大型底棲生物群落對自然和人為擾動產生的響應。
  13. In a three - dimensional ocean model with curvilinear coordinates horizontally and a coordinate vertically, the adapted grids at a layer for interpolation in the eulerian - lagrangian method ( elm ) is unreasonable over steep topography, because the vertical distance between the adjacent grids in the same a layer is too large

    摘要在水平坐標和垂向坐標的三維海洋模式下,歐拉拉格朗日方法的插值如果在-面相網格之間進行,那麼在水深變化劇烈處,由於-面相網格之間的垂向距離較大,插值依據會顯得較不合理。
  14. A refined curve is obtained from a digital curve by connecting each pair of adjacent pixels with a straight - line segment implicitly. since the refined curve is continuous, precision of calculations on digital images can be

    精化數字的思想是在數字的象素點之間作性插值,得到的連續邊,從而提高數字圖象處理過程中的計算精度。
  15. The influences of soil structure, confining pressure and strain amplitude on dynamic properties of recently deposited soils of nanjing and its surrounding areas are discussed. furthermore, based on test results and theoretical analysis, the averaging curves, recommended values and envelopes of dynamic shear modulus ratio ggmax and damping ratio versus dynamic strain for recently deposited soils of nanjing and its surrounding areas are presented. by use of vibration triaxial apparatus, nanjing silty clay and fine sand interbedded strata and nanjing fine sand were tested and their test results are discussed

    通過自振柱試驗,探討了土的結構性、有效圍壓和應變幅值大小對動荷載作用下南京及其近地區新近沉積土的動剪切模量、阻尼比和應力?應變關系的影響;通過試驗和理論分析,給出了南京及其近地區的粘土、淤泥質粉質粘土、粉質粘土、粉質粘土與粉砂互層土、粉土以及砂土等六類新近沉積土中典型土類的動剪切模量比和阻尼比隨剪應變幅值變化的平均、包絡和推薦值。
  16. In the paper the initial iocation and dimension of step are studied from which we get the conclusion tha the energy dissipation is highcr if the initial location is at the curve section of l / 2 height of the spillway top and the dimension gap of neighbor step is bigger, the energy dissipation is higher

    通過對階梯溢流壩的過渡階梯的起始位置和具體尺寸的試驗研究。得出過渡階梯的最佳起始位置約在壩頂段1 2高度處且相階梯的尺寸相差較大時,所得的消能率較高。
  17. Damage stability curves of a series of damaged one - compartment respectively and combinations of damaged multi - compartments are needed in probabilistic method. systems of equation of floatation and stability may be divergent when damaged multi - compartments are calculated that may lead to programs stop. the reason is studied and that makes the programs can distinguish this case and eventurelly the probabilistic calculation of arbitrary damaged multi - compartments is carried out

    在概率方法中,需要計算一系列的破艙組合下船舶的穩性,由一艙破損、相兩艙破損到相三艙破損再到相四艙破損等,由於這種破艙組合是由程序來實現的,多艙組合破損時計算過程中浮態與穩性的計算可能異常而導致程序中斷。
  18. In this dissertation, the research trends for the problem have been introduced ; the ‘ dim ’ and ‘ point ’ has been strictly defined in mathematics from machine vision and human vision ; the ideal clutter suppression system based on clutter predication and the realization and evaluation of evaluation index has been studied, in succession the clutter suppression technologies have been researched. firstly, the classic nonparametric algorithm has been analyzed in detail and systematically, for it ’ s weakness that it cannot remove the non - stationary clutter ideally, kalman filter algorithm for clutter suppression in 2d image signal has been built. secondly, fast adaptive kalman filter is presented based on fast wide - sense stationary areas partition algorithm : limited combination and division algorithm based on quarti - tree algorithm, new taxis filter route algorithm which can break through the limitation of the necessity of pixel neighborhood of 2d filter and laplace data model with two parameters which is perfectly suitable for the residual image of kalman clutter suppression

    首先分析了經典的非參數法,對於四種具有代表性的核,從前述的三個性能評價方面做了分析和對比,指出了其速度快的優點和對非平穩圖像適應性差的弱點,針對非參數法的弱點,重點研究了對非平穩圖像適應良好的卡爾曼雜波抑制技術:建立了非平穩圖像的類自回歸模型,在此基礎上建立了二維卡爾曼濾波基礎的兩個方程:狀態方程和測量方程;建立了非平穩圖像準平穩區域快速劃分演算法:基於四叉樹法的有限分裂合併演算法;二維空間的基於k排序的濾波路演算法,突破了空域濾波路上區域相的限制;在這些研究的基礎上實現了快速卡爾曼估計,實驗驗證了該方法相對逐點卡爾曼估計可以提高運算速度三倍左右;雜波抑制結果表明傳統的高斯性檢驗並不適合卡爾曼估計后的殘余圖像,由此建立了殘余圖像的雙參數拉普拉斯模型,實驗表明其可以完好的吻合殘余圖像的概率密度
  19. Between the two consecutive points, there are two knot intervals, and the combination of the two knot intervals is used to define the final knot interval. a comparison of the new method with several existing methods is included

    每一個數據點處都可構造一條二次,該二次可為兩個相的參數區間指定節點值,所以每一個節點區間對應兩個節點值。
  20. The knots for constructing the quadric curve are determined by minimizing the internal strain energy, which can be regarded as a function of the angle. the function of the angle is expanded as a taylor series with two terms, then the two knot intervals between the three consecutive points are defined by linear expression

    對每一個數據點,用相的三個數據點構造一條二次,通過極小化二次的應變能來定義三個數據點的節點,這些節點可被看作是三個數據點相兩條弦間夾角的函數。
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