重現曲線 的英文怎麼說

中文拼音 [zhòngxiànxiàn]
重現曲線 英文
recurrence curve
  • : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
  • : Ⅰ名詞1 (現在; 此刻) present; now; current; existing 2 (現款) cash; ready money Ⅱ副詞(臨時; ...
  • : 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...
  • 重現 : 1. (再現) reappear 2. (描繪出) reproduce
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  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測的基本波段選擇集;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、地物目標觀測方向之間的角度變化引起的反射率整體平移的「同物異譜」象,對于譜形相似而整體反射率的值相差較大的兩類地物,通過引入均值和方差圖像參與分類得到解決;研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段,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;建立了荒漠化監測主要評價因子的定量反演模型,並分析了模型的適用性。
  2. The platonic school's most significant discovery was the conic sections.

    Plato學派的最要發是圓錐
  3. The platonic school ' s most significant discovery was the conic sections

    Plato學派的最要發是圓錐
  4. The results show that - condensate appears at some baryon densities and makes great effect to the curve of state equation of neutron star ; hyperons - and a exist in neutron star matter at high desities

    結果表明, ~ -凝聚將出在一定的子密度區間,並對中子星狀態方程要的影響;超子~ -和在較高密度也會出
  5. The technologies are emphasized, including image collection, preprocessing, edge detection and selection, calculating the dose of the point and drawing the isodose

    探討了系統的實技術,包括模擬定位機下定位圖像的採集、預處理、邊緣識別與提取、任意點的劑量計算和等劑量的繪制等。
  6. Enterprise can recompose its assets through purchasing and annexing other enterprise in order not only to expand externally much fast, to surmount effectively new industry barrier, but also to exert its experience - curve - effect effectively

    通過企業並購方式實行企業資產組,可以較快地實企業的外部擴張,大幅度降低企業發展的風險,有效地克服進入新行業的壁壘,還可以有效地利用企業的經驗效應。
  7. For example, the pushover curve analysis has no way to consider the hysteretic energy and the energy dissipation in other ways, and to consider the material fatigue and the scathe in the structures " to - and - fro motion. the work done in this thesis is mainly as follows for trying to make better of the capacity - demand curve in existence : 1. confirm the factors those caused the discrepancy between the different capacity curves : the shape of lateral load distribution, assumption of member bars model, irregularity of the structures, p - effects

    為此,本文有針對性地開展了一些工作:闡述了基於性態的設計方法和基於位移的設計方法的相關概念及發展歷程;介紹了幾種有的能力-需求法的原理及分析步驟並剖析了它們的不足;列舉了影響能力-需求法計算準確性的主要因素,通過算例比較分析它們各自的影響程度從而得出了其中最為要的影響因素;針對已有的分析結論提出了對有能力-需求法的改進方案,通過算例分析驗證了改進效果。
  8. This dissertation ' s problem just comes from this engineering background exactly. for this two kinds of cores, which were taken from the engineering place, this dissertation draws sample by computer and analyses the weight distributions, getting the weight curves, the middle weights, asymmetry coefficients and other physics characteristic indexes of them, and makes up the model samples which are similar to the factual weight distributions

    本文對施工場採用的10 100kg和1 800kg量范圍的堤心石進行了隨機抽樣和量級配分析,得到了描述這兩種堤心石類別的量級配、中值量、不均勻系數等物理特性指標,並由此制備量級配相似的模型樣本。
  9. Round these two respects, how to structure security elliptic curve cryptography and the implementations of ecc is first discussed in this paper. then we have analysed especially the scalar multiplication on the elliptic curves, and present a new algorithm to quickly implement the fixed point scalar multiplication according to the idea of interleaving exponentiation algorithm and power division. this algorithm is much faster than fixed - base windowing method ; and a little faster than fixed - base comb method

    圍繞這兩個方面的問題,本文首先討論了如何構造安全的橢圓密碼體制和橢圓密碼體制的應用;然後點分析了橢圓上數乘運算的快速實,並結合interleavingexponentiation演算法和冪分割的思想,提出一種計算固定點數乘的快速演算法,該演算法的計算速度明顯快于fixed - basewindowing演算法,稍快于fixed - basecomb演算法。
  10. Based on re - classification of abbott - firestone curve into three zones, surface bearing index, core fluid retention index and valley fluid retention index were introduced to evaluate the bearing capability and lubricant retention property of a machined surface. the changing tendency of these three indexes was also made clear through experiments, and the relations between them and fractal parameters were built up. at last, it was found that the coefficient c is also suitable to evaluate the bearing capability and fluid retention property of a machined surface

    本文在新劃分abbott - firestone的基礎上引入了表面承載指數、核心區液體滯留指數和谷底液體滯留指數三個指標分別評價表面承載性能和儲油性能,同時通過試驗找到了這三個評價指數的變化規律,最後建立了它們和分形參數之間的關系,並發尺度系數同樣可以用來評價表面的承載性能和儲油性能。
  11. To avoid the serious electromagnetic interferer, the analog signals are transformed to frequency pulses which are transferred to the kernel of the system. in the measure of the groove voltage, the method of float - ground is adopted to avoid the high common signal and the range switch circuit is designed to solve the conflict of the wide dynamic range and the high precision. least square curvefit is adopted to reduce the system error

    鋁電解生產場電磁干擾非常嚴,為此我們將需要測量的模擬信號就近轉換為頻率脈沖后再傳送到控制核心;採用浮地接入方式消除槽電壓信號中的共模成分;設計了量程自動切換電路以解決槽電壓的動態范圍寬和測量精度高的矛盾;用最小二乘法進行擬和以降低測量的系統誤差。
  12. By means of the calculation results of interlaminar stress distributions, the influence of delamination growth on the resultant fatigue lives is qualitatively discussed, realizing that a more comprehensive analytical model is essential to include the effect of stacking sequence and the arosing interlamina stresses on fatigue behaviors of laminates. the recommended scheme was also used to calculate the fatigue lives of specimens with central holes subjected tensile - compressive cyclic loadings and has got comparable estimations with experimental results

    和修正了有關文獻中的一些錯誤,新建立了斷裂筋條彎修正的公式和位移協調方程,編制了相應的計算程序,根據計算結果探討了斷裂筋條和筋條彎對蒙皮裂紋的影響,指出了有的文獻上給出的計算存在的謬誤。
  13. It contributes to the deeper comprehesion of these probability distributions, affords more detailed theoretical basis for further studying and simulating satellite mobile channels, ? theoretical analyses and discussions of the models which are often used in the study of the propagating characteristics of satallite mobile channels are given ; meantime, some discussions on the work of model simulations are also given, ? incorrect derivation of the equality between c. loo model and corazza model in some other papers is pointed out. via the conception of received power, we derivate that in the rural environments these two models really have the equal relationship by the way of theoretical derivation and simulatant fittings. therefore, it is able to use corazza model in studying the characteristics of satellite mobile channels in the rural environments and able to avoid the iterant work of modeling, in order to enhance the efficiency and accuracy of research work, ? detailed processes of simulating lutz model by using matlab6. 0 _ simulink4. 0 and the results of comparisions are given

    本文包含有以下的主要內容: ?對衛星移動通信通道傳播特性研究中常用的三個概率分佈給出了詳細的推導過程;以便對這幾個在衛星移動通信通道傳播特性的研究中常用的概率分佈函數有更深的理解,對進一步研究衛星移動通信通道傳播特性和對通道的建模提供了更為詳盡的理論基礎; ?對衛星移動通信通道傳播特性的研究中常用的通道模型進行了理論上的分析和討論,並對衛星移動通信通道建模的研究工作提出了一定的看法; ?指出了以前的文獻中關于c . loo模型和corazza模型的等同性的證明錯誤;並從接收信號功率的角度出發,通過理論推導及模擬擬合新證明了在鄉村環境下,這兩個模型的確是具有等同性的;從而在對鄉村環境下的衛星移動通信通道傳播特性進行研究時,可以只採用corazza模型來對實際的通道進行建模,這樣可以避免復的建模工作並提高研究工作的效率和準確性; ?給出了lutz模型在matlab6 . 0 _ simulink4 . 0環境下的軟體模擬實的詳細過程和整體模擬測試的對比結果,保證了該模型在硬體實時的可靠性和可行性,從而可以將它們應用於指導模型的硬體模擬實並可以降低硬體實時的風險。
  14. Several materials with large coefficient of expansion were selected to make packaging components, and it was found that the packaging materials have good temperature sensitivity and compatibility with optical fibers. experimental accuracy and repetition of fbg temperature sensitivity and compensation were discussed. have selected several materials which has bigger coefficient of expansion to do packaging components, have made many temperature experiments, there have not flaws, such as aging, crackle, absciss layer, packaging materials have good temperature sensitivity and compatibility with optical fiber ; have designed the simple and practical packaging components, have performed a serials of experiments about accuracy and repetition of fbg wave - length, have obtained the first step conclusion ; have analyzed the result and made comparison between the result of different experiment, have summarized the best packaging effect and several rules to reduce mistskes

    本文所做的主要工作包括以下幾個內容:一、選取了常見的熱膨脹系數大的材料製作封裝元件,經過多次一80到80反復測試,封裝元件沒有出老化開裂、封裝裂紋、空洞、離層等缺陷,封裝材料具有良好的溫敏穩定性及復用性,與光纖相容性較好;二、對光纖光柵進行簡單、實用的封裝處理,就封裝效果的優劣性、波長測量的準確度、復性和封裝時產生的波長損失等方面進行了一系列的實驗,得出了初步的結論;三、對溫敏和溫度補償式封裝的實驗數據進行了詳細的分析和對比,從數字上對溫變過程中光纖光柵中心波長的改變及溫變進行了定量的分析,在大量實驗數據分析結果的基礎上,總結出哪種材料封裝效果更好,以及如何有效的減小實驗誤差。
  15. The electrolog data was effectively corrected with the effective process, which improved the validity of electrolog to the identification of the low - resistivity reservoirs and was helpful to enhance the veracity of evaluation of the conventional reservoirs

    有效的電測井資料預處理,不僅改善了低電阻率油氣層的電測井資料的有效性,實對電測井有效校正,同時對進一步提高常規油氣層的測井評價的準確性具有要的作用。
  16. 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 』一幾甲酞二茂鐵鄰苯二胺縮聚物的分子量分佈峰,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。
  17. 400 - 432 exothermic peak in dta curve of remainders and 460 - 490 weight loss peak in dtg curve appeared at the decaying process in oasis ecosystem, but did n ' t appear in desert ecosystem. the weight loss rate of dta 300 peak was correlative to qv outstandingly ; the weight loss rate of dta 450 peak was not correlative to qv

    綠洲生態條件下,腐解過程中玉米秸和大豆秸的dta中出了400 - 432的小放熱峰, dtg中出了460 - 498的小失峰,而荒漠生態條件下則沒有出
  18. Using vogel ' s wear index as the rail side wear index, the paper analyzes the side wear variations of rail head when the parameters in the wheel / rail system vary, analyzes the influences of track irregularity on rail uneven wear on gauge corner emphatically. this paper analyzes the rail side wear dates measured by track division of shan hai guan since 1990, then gains the relationship between side wear and traffic volume and sums up the characteristics and regularities in the formation and development of side wear. in the end, some measures for regarding the side wear on curves are put forward

    從輪軌摩擦、輪軌接觸幾何關系、輪軌接觸應力和輪軌蠕滑等方面對鋼軌側面磨耗機理進行了探討,從軌道幾何參數、機車車輛運營條件等方面對鋼軌側面磨耗的影響因素進行了點分析和總結;應用輪軌系統動力學,建立了輪軌空間耦合振動時變模型,採用vogel側磨指數作為鋼軌側磨指標,系統分析了輪軌參數變化的情況下,軌頭側面磨耗的變化規律,點分析了軌道不平順對鋼軌不均勻側磨的影響;對山海關工務段1990年以後場測得的鋼軌側磨數據進行了分析,通過擬合得到了鋼軌側磨量與運量的關系,並總結了上股鋼軌側面磨耗的特徵和發生、發展規律;最後提出了一些減緩鋼軌側面磨耗的措施。
  19. Abstract : heating curves of billet for heavy rail in reheating furnace are measured by use of dragging coupling methods. effects of fuel consumption, furnace temperature and heating time on billet temperature are studied and current thermal schedule of reheating furnace is evaluated, which provides the basis for optimizing and improving thermal schedule of reheating furnace

    文摘:運用拖偶法測量了軌鋼坯在軌梁加熱爐內的升溫,分析了燃料消耗、爐溫與加熱時間對鋼坯溫度的影響,評價了行的加熱爐熱工制度,為優化、完善加熱爐熱工制度提供了依據。
  20. 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鄰接關系k -鄰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,實了海量數據的有序組,通過基於灰理論的數據簡化和異常點處理新方法,生成可用於直接面的掃描類型數據,為以點??面方式構cad模型打下了良好的基礎。
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