波度曲線 的英文怎麼說

中文拼音 [xiàn]
波度曲線 英文
waviness curve
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : 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. For this purpos, from the point of the log geology, aimed at the actuality of the current fractured reservoir log geology interpretation and evaluation, based on synthetical analysis of the current domestic and foreign fruit of fractal dimension investigation of reservoir fracture, using the method and technique of fractal dimension, through the further discussion of the fractal dimension characteristics of m index and n index in the log interpretation archie model in a sample way and through the theoretic reasoning to the fractal dimension dfa and m index of fractured reservoir interval ' s log curve, according to the geophysical signification of the fractal dimension dfa of fractured reservoir interval ' s log curve shape : the more complicated the change of the curve shape is, the larger the its dfa value is, then the more complicated space structure of fracture and pore, then the higher value of m index of space structure of fracture and pore, and so on, the text propounds an improved method, based on box dimension, of covering log curve with scale grid, and by programming computes the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, then further puts this technique into application investigation, and makes analysis of application effects in the reservoirs located in l area of qx oil field from three aspects : 1. the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, which are derived from computing, is used to identify reservoir type by crossplotting m index with the product df _ acrt of fractal dimension of acoustical wave log curve and restivity log curve and by experiential discriminance plate of reservoir type in l area of qx oil field

    因此,對該區裂縫性儲集層的類型識別、孔滲特徵的測井地質解釋以及儲層裂縫的發育和分佈規律進行深入的研究便成為本文研究的出發點。為此,本文從測井地質的角,針對當前裂縫性儲層測井地質解釋與評價的現狀,在綜合分析當前國內外儲層裂縫的分形分維研究成果的基礎上,利用分形分維方法和技術,通過對archie測井解釋模型中的m指數、 n指數的分形分維特性的深入淺出的論述以及裂縫性儲層段測井分維d _ ( fa )與m指數的理論推導,根據裂縫性儲層測井形態分維值的地球物理意義? ?變化越復雜,則其分維值d _ ( fa )越大、裂縫孔隙空間結構越復雜、裂縫孔隙空間結構指數m值越高等特徵,提出了改進的基於盒維數的測井網格覆蓋法,編程計算了裂縫性儲層段常規測井(如聲和電阻率)上分形分維值及其m指數值,進而從以下三個方面對qx油田l區塊的裂縫油藏進行應用研究,效果十分理想: 1將計算得到的可變的m指數與聲和電阻率分維之積df _ acrt進行交繪,採用儲層分維值分類技術統計分析這些參數變化的規律,並結合qx油田l區塊儲層類型經驗判別圖版,從而實現qx油田l區塊下白堊統的裂縫性儲層的類型識別。
  2. 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場的節點和反節點處,其穩定程取決于該處光壓力負斜率的大小、對應勢能的勢阱深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、失諧量等顯得尤為關鍵。
  3. 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,對高光譜數據不同段的數據質量、段組合進行了評價,提出了適用於荒漠化監測的基本段選擇集;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;發現了基於光譜整體形狀的分類方法在很大程上能夠消除由於傳感器、地物目標觀測方向之間的角變化引起的反射率整體平移的「同物異譜」現象,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」范圍內的段是進行荒漠化監測的主要特徵段,這些段與植被生物量和蓋都有密切的關系,是開展精細植被分類研究和植被定量反演的重要基礎;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。
  4. Abstract : propagation characteristics of r wave in a pavement structures are analysed in this paper. based on the propagation characteristics of r wave, the horizontal propagation wave is simulated by using r wave, the vertical propagation wave is also simulated by using body wave in calculating dynamic response of pavement structures. the availability and accuracy of dispersion curves measured by sasw in pavement structures is analysed by using the presented method used to calculate dynamic response

    文摘:利用有限單元法分析了道路結構的r面傳播特性:在深方向上衰減較慢,傳播較深,動性大.提出了在道路結構動力響應計算中,利用面來模擬水平向傳播,利用體來模擬豎直向傳播.通過算例來驗證該方法的可靠性和精確性,並利用這一動力響應計算方法分析了道路結構表面測試中所獲彌散的可靠性
  5. The curvature of the earth limits a microwave's line-of-sight path to about 30 miles.

    地球表面的彎把微的直軌跡限制到30英里左右。
  6. The results indicate that ( a ) before heat treatment, with the increasing of substrate temperatures, content of lower valency ( tij + ) decreases, the stoichiometric proportion of o / ti in all samples is about 2 ; the films have amorphous incompact columnar fiber structure, and with the increasing of substrate temperature, the size of columnar fiber increases ; the films have good hyalescence in visible range and great absorbability at the wavelength of 350nm ; optical constants of the films are calculated from the transmittance spectrums in visible range by mathematical analysis of the orders of interference, the results show that the refractive ind

    研究結果表明, ( a )熱處理前,隨著基片溫的增加,薄膜中的低價氧化鈦含量逐漸減少,化學計量比趨于o ti = 2 ;薄膜具有非晶態不緻密的柱狀纖維結構,柱狀纖維的尺寸隨基片溫的升高而增加;薄膜在可見光范圍內透明,在長為35onzn時嚴重吸收,利用干涉級次法分析了薄膜的光學常數,結果表明,薄膜的折射率隨基片溫的升高而增加,根據計算結果得到了tioz薄膜在不同基片溫下的折射率色散
  7. The relation between area of ccd saturation and 0. 632 m 、 1. 06 m laser power / energy was measured. the ccd camera was disturbed by strong radiation from laser outside the field of view in experiment. the relation between the area of ccd saturation and off - axis angle was measured

    通過實驗,得到激光干擾ka - 320型面陣ccd光電探測器的像元飽和閾值、探測器靶面飽和閾值、局域損傷閾值,並得到了0 . 632 m與1 . 06 m段入射激光功率與ccd靶面飽和程的對應關系,了解了面陣ccd探測器受激光干擾的各個階段。
  8. The techniques of the barometric height measurement are researched, which is calibrated by gps information and compensated by temperature information. the barometric height measurement channel of high resolution is designed with the help of curve - fitting and digital filtering algorithm

    研究了利用gps校準零點、帶溫補償的氣壓高測量技術,通過擬合與數字濾技術,設計了具有較高解析的氣壓高測量通道。
  9. This paper reviews the existing research methods for the water - yielding rules, presents the difference between the lab core and the real reservoir in macroscopic and microscopic geologic characteristics, integrated with the relative permeability curve and the methods for determination of the volumetric conformance efficiency of lab core and the real reservoir, and proposes a new method - conformance efficiency modification method that can be used to determine the theoretic water cut curve of the water drive oilfield

    在總結現有產水規律研究方法的基礎上,從考慮室內巖心與實際油藏宏觀,微觀地質特性差異的角出發,結合相對滲透率以及實驗巖心、實際油藏體積及系數的確定方法,提出並建立了一種確定水驅油田理論含水率的新方法及系數修正法。
  10. From the result we get the following conclusion : for narrow - band signal, the effect of the method based on fft is best. for wide - band signal, when snr is up to certain degree ( higher than - 7db or so ), the curves of square error of modified methods are more obvious and closer to crb. for an echo composed of more than one frequency or direction, space - frequency distribution could show more direct information of frequency and direction, which is more advantaged to make precise judge and estimation for doa of echo

    從估計結果發現,對于窄帶回信號,基於fft的方法估計性能大大優于其他方法;對于寬帶回信號,在信噪比達到一定程(高於約- 7db )時,補償后的幾種估計法的性能改善均比較明顯,誤差越來越接近crb;對于回中存在多頻率多方位的情況,空間?頻率分布圖能提供較為直觀的頻率及方位信息,因此應用空間?頻率估計法來進行方位估計,更有利於進一步對回的具體方位進行準確判斷和估計。
  11. Around 40 ; the neutral curve obtained by the growth rates of the temperature fluctuation has a ringlike curve separated from the main branch of nachtsheim s calculation by velocity fluctuation at the lower grashof number side ; and its phase velocity is close to the maximum mean velocity where the critical layer of the eigenmode locates. the thermal fluctuation decays rapidly as the nondimensional frequency above 0. 4, so that it means that the coupling effect between instability wave generated by buoyancy fluctuation and velocity waves by invicid instability seems weak enough for their critical layers in the range of the nondimensional frequency

    詳細研究了自然對流邊界層中最早失穩的浮力振型的功率譜速與臨界層位置等基本特徵和它為主導其他振型尚未失穩時按性理論得到的3種相互獨立振型的振幅分佈。系統地測量了它所對應的溫和速漲落的振幅增長規律和中性,實驗結果表明,溫漲落的中性在低格拉斯霍夫grashof數
  12. The position and size of the monochromator, focusing curvature radii and tilting angles of the germanium focusing monochromator under different different take - off angle, size and divergency of the second collimator and intensity loss due to the use of it were determined. the neutron flux at different wavelength, under different reflection and take - off angle of the monochromator and divergency of the first collimator, were given. the simulation on the aperture used for limiting beam size in front of the sample showed that, smaller the size of the aperture and further the distance from the aperture to the sample, greater the loss of the intensity and more serious the spread of the beam along vertical direction at the sample position which makes the practical sampling volume greater than expected

    用蒙特卡羅模擬方法對中子應力衍射譜儀的設計方案進行了優化研究,提出了一系列可供參考的數據:確定了單色器的位置、尺寸、垂直聚焦單色器在不同起飛角下的聚焦率半徑和傾角;討論了第二準直器的尺寸和發散,以及使用第二準直器造成的強損失;給出了在不同單色器反射面、起飛角、中子長和第一準直器發散的情況下樣品處的中子注量率,以及多種組合情況下譜儀的解析;對限束方孔的尺寸、距離樣品遠近對強損失和測量中的影響做了深入研究。
  13. The results of the experiment are in good agreement with the data of theoretical calculation and the actual conditions of earthquake calamity. these data and information give a convenience for the following work. the finite element analysis ( fea ) has been completed within the environment of ansys

    有限元分析主要以ansys為工具對煙囪進行了動應力計算,得出了在不同地震水平和豎向激勵下動應力隨高分佈情況,並據此繪制了動應力隨高變化圖。
  14. The time difference curve may confirm the fast formation ; judge the tool ' s centrality ; verify the bonding quality combining with cbl / vdl curves, and also determine the casing collar position, etc

    時差則可以根據時差的大小驗證快速地層;由的變化幅判斷儀器在井中的居中程;結合首的幅列的變密驗證膠結狀況是否良好;利用時差的變化確定套管接箍位置等。
  15. Clear how to measuring reflow and wave profile

    清楚怎樣測量迴流焊和峰焊溫
  16. Good management for reflow and wave profile and profile board

    良好的管理為迴流焊和峰焊溫及溫量測板。
  17. Besides, pid control algorithm is introduced and the velocity closed - loop controller is designed on the basis of dynamic model for the train. furthermore, according to kunming world ' s fair route data, the ato system with pid controller is simulated. it shows some disadvantages, and so the predictive control algorithm is brought forward to realize velocity closed - loop control

    在已有的列車運動模型基礎上,採用pid控制演算法,設計了列車的速閉環控制器,結合昆明路數據,進行了基於pid控制器的ato系統模擬分析,發現採用pid控制器控制時,列車運行浪形,當遇到坡道或者外界干擾時速和加速會出現尖峰現象。
  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排序的濾演算法,突破了空域濾上區域相鄰的限制;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三倍左右;雜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
  19. As practical engineering examples the paper has shown the analyses on crack control in two mass concrete structures by use of the procedure mentioned above, in which the transient temperature fields were obtained from the results by the finite difference method or the temperature curves measured in construction

    作為實例,本文採用有限差分法及實測溫求得瞬態溫場,按上述步驟對寧地區兩個大廈基礎進行了抗裂分析,結果與實際情況相符,未發現裂縫。
  20. All the data showed that, the head and buttock are the sensitive vibration parts, the vibrations of the head and buttock are comparably large and their vibration curves are like. the vibration of head has a indistinctly effect on the comfort of recumbent person. the legs " vibration is small and fluctuated largely, so the legs " vibration can be ignorant to enhance the accuracy

    試驗數據分析表明,臥姿乘客頭、臀是振動敏感部位,頭部對臥姿乘客的舒適性影響明顯;頭部和臀部振動較大,且振動加速相似;腿部振動量很小,振動加速動大,因此可以在實際測試評價中略去以便提高測試精
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