深度速度曲線 的英文怎麼說

中文拼音 [shēndùsùdùqūxiàn]
深度速度曲線 英文
vertical velocity curve
  • 深 : Ⅰ形容詞1 （從上到下或從外到里的距離大） deep 2 （深奧） difficult; profound 3 （深刻; 深入） thor...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 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...
  • 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...
  • 深度 : 1. （深淺程度） degree of depth; depth 2. （觸及事物本質的程度） profundity; depth
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. （快慢的程度） speed; rate; pace; tempo
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. If the velocity of atoms is near to zero, the light for ces will tend to confine the atoms near to nodes and antinodes. the stability depends on the magnitude of the negative slope of the light force, the depth of the potential well and the momentum diffusion coefficient. it is important to select the parameters, e. g

    如果通過激光冷卻能使原子速度降至很小甚至為零，光壓力的作用將使原子被較穩定地囚禁于激光駐波場的節點和反節點處，其穩定程度取決于該處光壓力曲線負斜率的大小、對應勢能的勢阱深度以及動量擴散系數的大小，因此，如何在實驗中合理選擇激光強度、失諧量等顯得尤為關鍵。
  2. The inversion results of synthetic magnetotelluric sounding data are ideal, which indicates that the algorithm possesses advantages of expediting convergence, avoiding earliness and improving precision, and can be used in mt data analysis

    對各種類型的大地電磁測深理論曲線進行計算，結果表明：採用實數編碼混合遺傳演算法進行反演具有收斂速度快、解的精度高和避免出現早熟等優點，可用於大地電磁資料解釋。
  3. The laser radar sub - system determines the heights of the tsp according to the slant height and the oblique angle measured by the laser range finder and the electronic theodolite simultaneously. by lucubrating the motion law of tsp, we decided to compute decent velocities with least - squares procedure & two ranks curve fitting

    地面激光雷達跟蹤測量分系統根據測量到的斜距離和俯仰角確定末敏彈傘彈系統的高度，在深入研究末敏彈穩態掃描過程的運動規律后，通過最小二乘法的二階分段曲線擬合，計算出落速。
  4. Firstly, we generalize and analyze the advantages and present research of elliptic curve cryptography ; secondly, we study the basic theory of the ecc ; thirdly, we illustrate the safety of the ecc and discuss the elliptic curve key agreement scheme, elliptic curve encryption scheme and elliptic curve digital signature algorithm ; fourthly, we study fast algorithms of the multiplication and inversion multiplication of the element of in the underlying finite field f2m whose characteristic is two represented by the two basis of optimal normal basis and polynomial basis. we make improvements to the fast algorithm of the polynomial basis multiplication by hankerson and base on the experiments, we describe the properties and compare the advantages of the multiplication and inversion multiplication of the elements in f2m field under optimal normal bases and polynomial basis. results concluding from the study car be used as references in the realization of the elliptic curve cryptosystem ; fifthly, we overview the current fast algorithm of point multiplication, improve the fix base point comb algorithm, advance the speed of the whole system and remark the advantages and disadvantages of the popular algorithms based upon the experimental datas ; sixthly we realize the algorithm library of elliptic curve cryptography based on the f2m. only change slightly in our algorithm library can we realize the ecdh, eces, ecdsa based onf2m of anysize ; seventhly, we realize the ecc on two secure elliptic curves, including ecdh, eces, ecdsa

    本文首先介紹並分析了橢圓曲線密碼體制的優點及研究現狀；其次研究了橢圓曲線密碼體制的基本理論；第三，分析了橢圓曲線密碼的安全性並介紹了密鑰共享，加密，數字簽名等橢圓曲線密碼體制；第四，深入研究了特徵為2的有限域f _ 2m中的元素在多項式基和最優正規基表示下的乘法運算和乘法逆運算的快速演算法，並對hankerson等人提出的多項式基下的乘法運算的快速演算法作了改進，而且在實驗的基礎上不僅分析研究了f _ 2m域中元素在多項式基和最優正規基表示下的乘法和乘法逆運算的性能，還對這兩種基表示下的f _ 2m域中元素運算效率的優劣作了比較和研究，所得的結論可供在實現橢圓曲線密碼體制時參考；第五，研究了目前流行的計算橢圓曲線標量乘法的快速演算法，同時改進了固定基點梳形法，提高了整個系統的速度，並在實驗的基礎上分析研究了流行演算法的優劣；第六，實現了基於f _ 2m的橢圓曲線密碼體制的演算法庫，在我們的演算法庫中只需稍微改變便能實現基於任意尺寸的f _ 2m上的ecdh ， eces ， ecdsa等橢圓曲線密碼體制；第七，實現了兩條安全橢圓曲線上的橢圓曲線密碼體制，包括ecdh ， eces ， ecdsa 。
  5. Equations of mesh, shorting contact line, undercutting limit line, meshing limit lines and the existence conditions, angle between the direction of relative speed and the direction of contact line, induced normal curvature about every point on the contact line are established. moreover, the paper also theoretically analyzed the error of the grinded gear surface. on the basis of the theory, the computer program is worked out to automatically produce the contact line and the boundary curves of mesh. analysis of meshing circs under different parameters can be done so that we can gain the best process condition

    首先對漸開面二次包絡理論進行了深入的探討，推導出了兩次嚙合的嚙合方程式、瞬時接觸線方程式、根切界限線方程式、嚙合界限線的方程式及其存在條件，相對運動速度方向與接觸線方向的夾角及接觸線上各點的誘導法曲率；此外，還對磨齒后工件的齒面誤差進行了理論分析；並在理論基礎上編制了相應的計算機程序，自動生成接觸線族及嚙合界限線，對不同參數條件下的嚙合情況進行分析，可以使工藝條件達到最佳狀態；最後研究了磨齒裝置，設計了磨齒機的傳動系統。
  6. Based on these, the 200mw turbine unit of panxian thermal power plant is selected, and the key problems are analyzed, such as, selection of cool medium, flow path of medium, thermal stress during fast cooling etc. the cfd software is adopted, and the maximal thermal stress, the optimum cooling model and system, and the autocontrol scheme during fast cooling, are gotten. in the end, the results are applied in the site. the optimum cooling model and system, and the autocontrol scheme would be provided reference as the other similar units

    於此，本文以盤縣發電廠200mw汽輪機為研究對象，對發電廠汽輪機組空氣冷卻裝置及系統現狀深入分析基礎上，應用cfd軟體數值模擬了不同工況時汽輪機缸壁溫度變化情況，對200mw汽輪機快冷過程中控制指標進行分析，優化機組的快速冷卻過程，合理快冷設備、系統，優化控制曲線，分析最大熱應力值及最佳冷卻方式選擇，同時，對現有盤縣發電廠汽輪機組快速冷卻系統進行優化改進，並進行了實驗與實施。
  7. In this paper, the waterway curve plane function is established with move fit method to calculate the depth value of grid points, and in part fields linear method is adopted because of the distributing scrambling of waterway measure points. as a result of the use of two methods, not only the calculating precision is high but also the calculating speed is very fast

    本文選用移動擬合法建立航道曲面函數，插值計算航道測量區網格點的深度值，並且根據航道測量點分佈的不規則性進行了優化，即在測量點稀少的地方運用了線形內插法代替移動擬合法來進行插值計算，兩種插值方法的合理結合，不僅保證了插值的精度，特別是提高了插值的計算速度。
  8. Comparison between quasi - static indentation and low - velocity impact tests has been conducted in this paper at last. in accordance with energy balance principle, the dent depth vs. peak contact force under impact curve, which is derived from the dent depth vs. impact energy curve, is similar with the dent depth vs. indentation force curve with an evident transition

    最後，本文還對低速沖擊試驗與靜壓痕試驗做了比較分析，並基於能量平衡公式，從沖擊能量凹坑深度關系導出了沖擊最大接觸力凹坑深度關系曲線，它與靜壓痕試驗得出的壓痕力凹坑深度曲線的變化趨勢相類似，即出現較明顯的拐點。
  9. According to the analyses of the research results about the feasibility of 4 - d seismic and the successful 4 - d seismic cases of foreign companies, the author put forward the suggestions for 4 - d seismic pilot area selection ; briefly analyzed the influential function of producing way on the seismic response ; utilized theory calculation, coring data analyses, and reservoir numerical simulation to define the fluid substitution effects on the p - wave velocity. through long time water driven to the reservoir, some of the properties and the log curves have changed, the author tried to find the variation rule of the reservoir and its effects on seismic velocity. the " blind point " in 4 - d seismic feasibility study both in china and overseas was found, that is the lack of consideration of the influence of physical property variation by long time water driven on the seismic response

    在深入分析國外四維地震可行性研究成果和成功實例的基礎上，提出了有利於水驅四維地震成功的工區優選條件；簡要剖析了各種開采方式及其對地震特性的影響；利用理論計算、巖心分析、油藏數值模擬三種方法確定了流體替代對縱波速度的影響；通過對長期水驅造成的物性參數、測井曲線以及油藏溫度和壓力變化規律的總結，分析了這些變化對地震速度的影響，指出了目前國內外水驅四維地震可行性研究中存在的盲區?沒有充分考慮長期注水造成的物性、溫度和壓力變化對地震響應的影響，完善了水驅四維地震可行性研究的內容；在考慮了這些變化因素后，高29斷塊水驅四維地震可行性研究結果表明：四維地震監測注水前沿可能要比監測油藏變化容易的多；以四維地震巖石物理可行性研究結果為基礎，提出了五個有助於突出四維地震造成的微小差異的途徑，為今後水驅四維地震研究指明了方向。
  10. This paper relates to some problems about the determination of design ground motion parameters, which include the choice of the attenuation relationship of rock horizontal acceleration response spectrum, the impact of focal depth to rock peak horizontal acceleration and rock response spectrum curves, the choice of intensity envelops function and random input phase, the choice of soil nonlinearity and shear wave velocity, scale of design ground motion response spectrum etc. in the researches of relative aspect, based on a typical section plane of the engineering site, influence of the change of some parameters on design ground motion parameters and the existing errors and corresponding rules are studied by using the method of one dimension model of equivalent linearization

    摘要研究了確定設計地震動參數中涉及的若干問題，其中包括基巖水平加速度反應譜衰減關系的選擇、震源深度對基巖水平加速度峰值及基巖反應譜曲線的影響、強度包絡線函數及輸入隨機相位的選擇、土體非線性特性參數和土層剪切波速值的選擇、設計地震動反應譜的標定等問題。
  11. The nonlinear exponent is a function of the radial distance from the pumping well. the two - regime well flow problems being in the steady state. in the fourth chapter, the problems of two - regime well flow have been discussed concentrating on a kind of special seepage law

    第四章對一種特殊的非線性滲流規律即充分紊流的情況，進行了全面、詳細地討論，推導出了該情況下井流問題的滲流速度、水頭降深和井流函數的解析表達式，作出了些具有代表性的標準曲線。
  12. Based on the simple understanding of normal seismic processing, this paper has carried out deep research on the problems of deep prospecting in seismic data processing, such as s / n ( signal to noise ratio ), velocity analysis and residual nmo of unsymmetrical hyperbola, stacking and imaging of complex rays and migration arc. until now tens of accomplishments have been achieved

    在簡單了解地震資料常規處理的基礎上，本文針對當前深層資料的問題，緊緊圍繞著深層地震數據處理技術研究需要解決的重點問題，即信噪比問題、非對稱雙曲線的速度分析與剩餘動校正時差問題、復雜射線的迭加及偏移成像問題和偏移畫弧問題等，進行了深入的研究工作，目前已完成十多個成果。
  13. This paper researches and develops the digital simulation software of 3d terrain in accelerating the producing speed of plane triangle - net, the smoothing of waterway depth contour, the construct of waterway curve plane function, the drawing of 3d graphics and the waterway simulation

    本課題主要研究開發三維地形數字模擬軟體，在提高航道平面三角網的生成速度、航道等深線的圓滑處理、航道曲面模型的建立、航道立體圖的繪制及航道模擬等方面進行了一些研究和開發工作。
  14. Power bond graph is used to established the bond graph model of the lifting and dropping of hydraulic pile hammer and state space equation in the paper for hydraulic pile hammer is perplexing nonlinear system. in order to attain the graph that pressure, position, velocity, acceleration vary with time in the course of driving pile simulation procedure solving state space equation is designed on the basis of combining four - order runge - kutta method with predicator - corrector method, dynamic simulation of the hydraulic system is studied in matlab 6. 5. it is convenient to analyse dynamic characteristics of the hydraulic syste m, beneficial to the design and parameter optimization of the hydraulic system. in the final part of the paper, under detailed analysis of the control characteristics for double - acting hydraulic pile hammer with double cylinders, control system based on the programmable logic controllers founded on technology of modern compute is designed

    由於液壓打樁錘液壓系統是一個復雜的非線性系統，本文採用功率鍵合圖法建立液壓打樁錘上行、下降的鍵合圖模型和狀態空間方程，通過四階龍格?庫塔法和預估?校正法相結合編制了模擬程序對狀態空間方程求解，在matlab6 . 5中進行液壓系統的動態模擬，獲得液壓打樁錘運動過程中壓力、位移、速度、加速度等隨時間變化的曲線圖。此曲線圖方便了對液壓系統動態特性分析，為液壓系統的設計和參數優化提供了有益的借鑒。最後，在深入分析雙缸雙作用液壓打樁錘控制系統的功能要求后，採用了以現代計算機技術為基礎的新型工業控制裝置? plc可編程式控制制器，設計出了雙缸雙作用液壓打樁錘的電器控制系統。
  15. Adopting the deformation harmony theory, the numeric calculation of the curve of load versus settlement is made. the fitting results between the calculated curve of load - settlement and the measured one of piles with different construction process are illustrated. hence, under the condition of few or no static load test data, the performance of bearing capacity of single bored pile in loess may be predicted utilizing indexes of shear wave velocity, static cone penetration test and modification coefficient of depth, so it is remarkable to reduce the blindness of preliminary design of pile

    通過室內試驗及原位測試指標進行理論計算與現場實測值的對比，筆者引入了施工工藝修正系數k _ （ c1 ）和k _ （ c2 ）及深度修正系數，使理論計算值與現場實測值具有良好的一致性，進而通過變形協調理論對荷載?沉降曲線進行數值計算，並用不同施工工藝的實例說明了理論計算荷載?沉降曲線與實測荷載?沉降曲線的擬合效果，從而達到可在不做靜載荷試驗或少做靜載荷試驗的情況下通過剪切波速和靜力觸探試驗指標以及施工工藝修正系數等預測黃土地基中鉆孔灌注樁承載性狀，這對于工程初步設計中減少設計的盲目性具有十分重要的現實意義。
  16. Based on the test data, and by using the distillerys grain drying curve and drying - rate curve, this paper analysed the distillerys grain drying process, and demonstrated the characteristics of the drying and the change of drying - rate of the distillerys grain in heat - air penetrating bed

    根據試驗所測數據，利用三次樣條插值函數擬合酒精糟乾燥曲線和乾燥速度曲線，深入分析酒精糟的乾燥過程，得出酒精糟在熱風穿床乾燥方式下的乾燥特點和乾燥速度的變化規律。
  17. In the dissertation, the response characteristics of capacitive accelerometer whose sensing and driving combs have small angles of decline for step and shock signals are deeply researched for different driving voltage configurations. the dependences of the critical time of the pulse signal and the critical step signal for the different configurations and different angles of decline are developed

    本文深入研究了梳齒小角度傾斜的電容式傳感器，不同驅動電容配置下受到脈沖加速度信號和階躍加速度信號作用時的響應特性，得到了在不同驅動電容配置，不同傾斜角度情形下的臨界脈沖可持續時間和最大階躍加速度信號隨驅動電壓的變化曲線。
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