曲率分析 的英文怎麼說
中文拼音 [qūlǜfēnxī]
曲率分析
英文
curvature analysis- 曲 : 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...
- 率 : 率名詞(比值) rate; ratio; proportion
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 析 : Ⅰ動詞1. (分開; 散開) divide; separate 2. (分析) analyse; dissect; resolve Ⅱ名詞(姓氏) a surname
-
Curvature analysis is one method that predicts high permeability region of coal reservoir by use of coal bed structure curvature, combined with the fracture and cleat developed degree of outcrops
曲率分析是應用煤層構造麯率的大小,結合實際露頭的裂隙、割理發育情況進行煤儲層高滲區預測。At first, the dynamic mathematic model is created in the light of the known dimensions and structure. then base on the mathematic model, dynamic analysis of the system is studied by drawing the open - loop bode diagram closed - loop bode diagram and step response curve using the analysis and calculating function of matlab. the influence factor on frequency character steady and performance of the system is also analyzed
首先,根據已確定的尺寸參數和結構需要,計算並建立起系統的動態數學模型,然後在已知系統數學模型的基礎上,利用matlab語言強大的分析計算功能,對系統進行動態分析,通過畫出系統的開環bode圖、閉環bode圖及系統的階躍響應曲線,分析了系統的頻率特性、穩定性及系統性能的影響因素。A model of the interface state density distribution near by valence band is presented, and the dependence of the threshold voltage on temperature, the c - v characteristics and the subthreshold characteristics are predicted exactly with this model ; the effects of s / d series resistance on the output characteristics, transfer characteristics and effective mobility of sic pmosfets are analyzed. thirdly, the output characteristics and the drain breakdown characteristics are modeled with the procedure medici. the output characteristics in the room temperature and 300 ? are simulated, and the effects of gate voltage. contact resistance, interface state and other factors on sic pmos drain breakdown characteristics are analyzed
提出了一個價帶附近的界面態分佈模型,用該模型較好地描述了sicpmos器件閾值電壓隨溫度的變化關系、 c - v特性曲線以及亞閾特性曲線;分析了源漏寄生電阻對sicpmos器件輸出特性、轉移特性以及有效遷移率的影響;論文中用模擬軟體medici模擬了sicpmos器件的輸出特性和漏擊穿特性,分別模擬了室溫下和300時sicpmos器件的輸出特性,分析了柵電壓、接觸電阻、界面態以及其他因素對sicpmos擊穿特性的影響。In accordance with the main contradictions between high deterioration degree of coal and low permeability of coal bed, this paper predicts high permeability region by use of new technique and methods including stress field, curvature analysis and major stress difference analysis
針對沁水盆地煤變質程度高、煤層滲透率普遍較低的主要矛盾,利用新技術、新方法,利用應力場、曲率分析方法和主應力差分析方法預測高滲區。Based on an established stochastic weighted residual method formulation, stochastic buckling of a cylinderic shell is discussed
摘要在建立隨機加權殘數法公式體系的基礎上,討論了圓柱殼屈曲的概率分析。Synthetical evaluation according to prediction result of stress field and curvature will lead to high permeability region prediction of coal reservoir
應用應力場預測的結果與曲率分析預測的結果進行綜合評價,預測煤儲層高滲區。In auto smooth method, we use the curvature and depth analysis to look for " bad point " automatically, and take the latitudinal curve to modify the surface ; referring to the tech of image processing, we import a interactive method to smooth surface based on image smoothing
在自動光順方法中,利用曲率分析及深度分析自動尋找「壞點」並採用緯向曲線重生成的方法予以修正;結合圖像處理的內容,引入了基於圖像平滑的互動式曲面光順方法,取得了滿意的效果。For realizing stock development that turnover analysis, logistics fluxion curve diagram in the system is into the stock financing rate analysis, and for its established the calculation model
為了實現庫存周轉的動態分析,將物流系統中的流動曲線圖引入庫存資金周轉率分析中,並為其建立了計算模型。Based on these foundations, we give a perfect scheme of the bbo opos : single pass amplification coefficient of the opg under different pump intensity is calculated ; collinear type - i and type - ii phase matching tuning curve pumped by the q switch nd : yag various harmonics as well as noncollinear type - i tuning curve are calculated in details ; the effect of the walkoff for the nonlinear effect coefficient and the group velocity matching are analyzed ; the acceptance angle in parametric process is calculated ; the numerical threshold of the bbo opo is calculated ; the process of the saturation and depletion of the pump beam are analyzed ; the relationship of the conversion efficiency and reflectance of output mirror are discussed ; various linewidth controlling methods are discussed ; the improvement of the beam quality applying the unstable cavity is discussed ; and the crystal bbo design is considered
在此基礎上,給出了一整套bbo - opo激光參數設計方案:計算了不同泵浦強度下的參量放大倍數;詳細計算了在nd : yag調q激光器各次諧波泵浦條件下的共線類和類相位匹配的調諧曲線,以及非共線類相位匹配調諧曲線;分析了走離角對非線性系數和群速匹配的影響;計算了參量過程的允許角;計算了bbo - opo的理論閾值條件;分析了飽和與泵浦光束的消耗過程;給出了轉換效率與超過泵浦閾值的倍數的關系;討論了轉換效率與輸出鏡反射率的關系;討論了線寬控制的各種方法;研究了利用非穩腔改善光束質量的方法;考慮了bbo晶體的設計。In sum, the main contents of the thesis include : 1. analyses of the impact of different load characteristics on static voltage stability with the v - p - and - v - q curves of power system loads
歸納起來,本文的主要內容包括: 1 .應用電力系統負荷的電壓-功率特性曲線,分析了不同負荷的負荷特性對靜態電壓穩定性的影響。We select crm without coal as reference ; select semi - dynamic atmosphere to operate machine ; use the method fixing the temperature of hearth and that of sample holders when the analysis begins, which ensures the consistency of heating samples ; adopt the dta curve of " at - t " to analyzing crm heat, which decreases possible influences from the fluctuation of heating velocity ; draw conclusions that crm proportion and granularity influence the analysis little, but not crm moisture and coal species ; advise that there be a warm - up to the crm with much moisture before analysis and a modification to the crm with variable species of coal ; then obtain the feasible operation conditions and operation curve ( together with the curve function )
選用白生料作標樣;選用準動態測定氣氛;採用恆定爐膛溫度( 650 )和固定支持器初始溫度( 60 )的方法,確保了樣品受熱過程的一致性;採用「 t ? ? t (時間) 」 dta曲線分析生料熱,減少了升溫速率的微弱變化對測定結果的可能影響;得出生料配比和細度對差熱儀測定結果影響小、生料水分和煤品種影響大的結論,並提出對大水分生料測定前要進行預熱處理、對不同品種煤的測定結果要進行修正的建議。最終,得到了差熱儀適宜的工況條件和工作曲線(及方程) 。The paper puts forward a efficacy curve of security portfolio, and analyses the risk ' s measurement when holding a optimal security portfolio
根據我國證券市場的特點,提出了證券投資的效率曲線,分析了持有最優證券組合時所對應的風險計量方法。3. there is much correspondence between the curve of the susceptibility and the strata. based on the analysis of the susceptibility, it can be concluded that the area has undergone many climatic fluctuations from dry - cold to warm - wet
磁化率曲線與地層具有很好的對應性,並通過磁化率分析認為該地區經過了乾冷-暖濕的多次氣候波動。According to monotonic p - relations for cfrst, the parameters such as axial compression ratio, slenderness ratio, steel ratio, steel strengh and concrete strength, which affect p - hysteretic curves, are analyzed. 3
並通過數值計算的荷載-位移單調曲線,分析軸壓比、長細比、含鋼率、鋼材強度、混凝土強度、截面寬厚比、強弱軸等參數對矩形鋼管混凝土壓彎構件p -滯回關系曲線的影響。It also studies the influencing factors including sampling frequency, pd waveform, decline time, time intervals between pd pulses, mother wavelet, center frequency of interference, entropy threshold value and snr. in addition, it applies wavelet packet method ( wpm ) for non - stationary signal de - noising in on - line pd monitoring and analyzes the processing results under different pd waveform, sampling frequency and noise level. firstly, the curve of pd
基於小波包變換的非平穩信號消噪演算法( wpm )已較為成熟,本文將其應用於局部放電在線監測,通過研究其對不同局放波形、采樣率、噪聲水平下的處理效果,首次提出了理想白噪聲條件下提取局部放電信號的曲線,分析了各種因素對該演算法下信號失真的影響。According to generating finite element model by meshing for special - shaped section columns, a computer program using the digital iteration method for full range analysis of special - shaped columns is complied. by the analytical results, " m - " " related curves are obtained, at the same time, differences of ductile behavior, and bearing capacity are analyzed
通過異形柱截面的有限元單元網格劃分,用數值方法編制了計算機分析程序,通過計算,可以得到以上各種截面柱的彎矩?曲率關系曲線,分析它們在延性和承載力等性能方面的差異。The results provide a theoretic basis to research the multi - pulse operation of high power spark gap. as the breakdown mechanism is concerned, the influence of rough electrode on the v / p ( switch breakdown voltage / gas pressure ) curve is analyzed originally using breakdown possibility. the requirements of flat v / p curve are presented, which provides a theoretical basis for controlling and utilizing the curve
對氣體火花開關的擊穿機理,創新的利用擊穿概率分析了粗糙電極對氣體火花開關v / p曲線影響的物理機制,給出了利用細小結構構造平穩v / p (開關擊穿電壓/氣體壓強)曲線的條件,為實驗中控制和利用該曲線提高氣體火花開關的多脈沖運行能力提供了理論基礎。Next, this article analyzes the influence of balance of payments in exchange rate through the foreign exchange supply and demand curve and under the incomplete floating exchange rate system, how the government affects the foreign exchange market supply and demand and the balanced exchange rate through the change of foreign exchange reserve volume. after reviews the history of renminbi exchange rate level and form mechanism, analyzes the relationship between balance of payments and renminbi exchange rate
接下來通過外匯供求曲線分析國際收支對匯率的影響,及在不完全浮動匯率制下,政府如何通過改變外匯儲備額來影響外匯市場供求和均衡匯率。在回顧人民幣匯率水平及其形成機制的歷史演變的基礎上,分析各個時期國際收支狀況與人民幣匯率的關系。First, the mechanism of day - ahead power exchange market is introduced. several bidding thoughts of generators and a bidding method based on game theory are introduced. then bidding curve is discussed, several kinds of bidding curve and its related factors are analyzed
接下來討論了成本曲線和競價曲線,分析了成本曲線與電廠的一些基本設備如鍋爐、汽機運行效率之間的關系,以及怎樣根據成本曲線來構築報價曲線,分析了發電廠競價的幾種曲線及其與成本曲線及其他相關因素的關系。The impact of load characteristics and on load tap changer on static voltage stability is analyzed with the methods based on v - q and v - p curves, and the phenomenon of voltage stability voltage instability and voltage collapse are studied with steady - state simulation. finally the thesis presents the essential explanations of both voltage stability and the mechanism of voltage collapse. xu yonghua ( electrical engineering ) directed by prof
通過電壓?功率曲線分析法定性分析了不同負荷特性和有載調壓變壓器對靜態電壓穩定性的影響,並通過靜態模擬法從物理現象上研究了電壓失穩和電壓崩潰現象,最後針對這些現象給出了關于電壓穩定、以及電壓崩潰的本質解釋。分享友人