有限線寬度 的英文怎麼說

中文拼音 [yǒuxiànxiànkuān]
有限線寬度 英文
finite linewidth
  • : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
  • : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
  • : 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...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 有限 : limited; restricted; finite; a little; not much
  1. Adsl, is the most cost - effective technology recently, because it can utilize the existing loop line of pstn. lt is also the most popular one of the rbb ( residential broadband network ) technologies. the paper provides a scheme for user - side adsl access - - - - - - embedded adsl gateway

    目前著多種帶接入技術和方案可供選擇,其中adsl技術可以在不改變現接入路的情況下達到帶接入的目的,可以最大的利用現路資源,是目前居民帶接入最受歡迎的一種。
  2. Through the analysis we found that the effect will become more obviously with the increase of thickness or width of superstratum and the decrease of the coefficient of foundation bed ; ( 3 ) anisotropy and nonlinear elastic f. e. m. model has been established and the effect of stress dispersion in compound two - layer foundation was analyzed on the base of the model. from the analysis we can conclude that the coefficient of subsidiary stress dispersion will amplify with the increase of thickness or width or stiffness of back - up coat ; ( 4 ) the formula which can be used in conventional calculation has been deduced for calculating the coefficient of subsidiary stress dispersion and it also has been affirmed to be reasonable through the checking calculation ; the whole theory of compound two - layer foundation has been brought forward in this paper and it ' ll enrich the theory of composite foundation

    針對以上問題本文做了以下一些工作並得到若干結論: ( 1 )提出了「復合雙層地基」的概念,並通過工程實例證明此概念的提出其合理性和必要性; ( 2 )用彈性地基梁理論證實了復合雙層地基確應力擴散效應,且擴散效應隨上覆硬層厚、剛的增加而增大,隨下臥層基床系數的增大而減小; ( 3 )建立了非彈性、各向異性元模型,並以此為基礎分析了復合雙層地基的應力擴散效應,得到附加應力系數隨加固層厚、剛的增加而增大的結論; ( 4 )推導了可用於常規計算的復合雙層地基應力擴散系數公式,並代入工程實例進行了驗證。
  3. Based on the research of several shiplocks, the temperature and stress field of the lock floor is simulated under temperature and gravity loads, where the shiplock floor is built on different foundations, the effect of setting up wide construction joints is analyzed by the nonlinear finite element method

    作者通過對多個船閘工程的研究,結合非元模擬分析方法,考慮重力、溫等荷載,計算分析土基和巖基上船閘結構底板預留縫施工方法的效果。
  4. In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology

    為使二維振動傳感器在兩主軸方向的靈敏大致相同,敏感元件採用高對稱的四梁結構,其中每個軸向上均採用帶折疊梁的雙側叉指電容結構,採用體硅微機械工藝製作的高深比叉指電容式敏感元件,具高靈敏量程、非性誤差小、外圍電路簡單等優點;對設計的敏感元件結構參數進行了計算,並利用元法進行了模擬分析,根據模擬結果得出了優化參數;在確定敏感結構的基礎上,研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與分析,利用差動測量技術得到由振動引起的微小電容變化量,經c - v介面電路進行相位調制處理,然後通過解調輸出與加速成正比的電壓信號。
  5. In the terms of interpolation, the image reconstructed from nearest interpolation or linear interpolation has good edge but serious noise ; reconstruction from 4 * 4cubic interpolation or three b - spline or three - order lagrange interpolations has better local character. 2 x 2cubic interpolations which has both better edge and local character is the ideal interpolation, the following is the basic principle during reconstruction : ( 1 ) the more width of interpolation, the more number of summation and the more order of interpolation polynomial, the higher of density resolution ; ( 2 ) the more of interpolation polynomial and width of interpolation, the more of reconstruction time simultaneously, aimed at eliminating the effects of noise contained in projection data, in this paper, author analysis cause and effects of common artifacts. importantly, discusses convolution back - projection reconstruction algorithm with a shift axis of rotation has been derived for correcting images that acquired with a divergence axis of rotation using the fan beam geometry with an angle - equaled detector

    在ct圖像重建時,選擇較好的空間解析,三角形窗較好的密解析,選擇餘弦窗則使得空間解析與密解析的折衷;從窗函數的頻譜角來講,可以用於圖像重建的一個良好的卷積窗函數應該具備以下條件: ( ? )小的3db帶b ,即最小的主瓣; ( ? )最小的旁瓣最大峰值a ; ( ? )最大的旁瓣峰值衰減速d ;就內插函數而言,臨近點內插與性內插重建圖像噪聲大,但較好的邊緣與細節; 4 4三次內插、三次b -樣條與四次拉格朗日多項式內插圖像平滑,局部特性較好。
  6. As an essential fitting for the suspended ceiling. the aluminum rim angle can be used as an omamental plece on the top of the ceiling. the product styles ronge from wood line, broad wood line, l shape, perforation type, and conventional type, to wshope, theapplication of rim angle ensures the uniform color of the ceiling and the leg of angle

    鋁質邊角是天花吊頂配件的必備配件,也可以作為吊頂頂部的配飾。型, l型,打孔型,普通型w型等不同風格,並備多種顏色可供選擇。盡最大確保天花與收角邊顏色一致。
  7. The clues and techniques to improve the resolution of data processing are 1 ) removing the affection of near surface factors on data acquisition, including static correction and noise eliminating technique etc, 2 ) broadening the frequency band of pre - stack seismic data, including amplitude compensation and pre - stack deconvolution etc, 3 ) improving s / n ratio of high frequency and weak reflection signals through multiple coverage with high precision velocity analysis, residual static correction and high - order nmo, raising " dead line of high frequency reflection ", and 4 ) identifying post stack effective reflection frequency band, enhancing dominant frequency and so on

    主要包括:消除近地表因素對資料採集的影響,包括靜校正和噪音壓制技術等;疊前拓地震資料領帶,包括振幅補償和疊前反褶積技術等;藉助高精分析、剩餘靜校正和高次項nmo技術,通過多次覆蓋疊加,消除資料中隨機噪聲干擾、提高資料信噪比,尤其是高頻端反射信息的信噪比,改善高頻反射和弱反射信號信噪比,提高「高頻反射死亡」 ;疊後反射頗帶識別、抬高優勢頻率等。
  8. The reduction factors derived from curve fitting based on calculation results by the finite element program ( ansys ) considering all kinds of damages such as cutouts, corrosion, cracks, denting, initial deflection and residual stress are introduced to modify the effective width of perfect panel in the present paper

    本文考慮板中可能存在孔洞、腐蝕、裂縫、局部撞損和初始焊接變形或殘余應力等損傷和初始缺陷,對不同的損傷形式用元程序( ansys )進行大量的計算,通過曲擬合的方法引入折減系數對完好板格的進行修正。
  9. Guantang hotspring leisure center is invested and built up by the wanquan hotspring tourist development district of qionghai, collecting the meeting reception, hot spring and recuperate, recreation and spending holidays, amusement fitness, table delicacies keep in good health in order to travel in one degree of false hotels integratively and approved by country and four - star concerning foreign affairs. with chinese style flower garden organic an organic whole of linking of pavilions, terraces and open halls such as the main building, guest room, villa, bowling alley corridor, it is unique to build, the style is romantic

    瓊海官塘溫泉休閑中心官塘溫泉休閑中心由瓊海萬泉河溫泉旅遊開發股份公司投資建造,是集會議接待溫泉療養休閑假娛樂健身美食養生為一體的經國家批準的四星級涉外旅遊假型酒店。整體建築環抱著曲流暢,敞別致2700的大型溫泉泳池,並以中國式庭園廊道將主樓客房別墅保球館等亭臺樓閣機的連成一體,建造獨特,風格浪漫。
  10. The system is stabilized against external disturbances. this means that the los is really pointing most of the time into a circle around the aim point because of stabilization loop finite bandwidth. the diameter of this circle represents stabilization accuracy

    這是因為系統在抑制外來干擾而實現穩定時,由於穩定環的存在,瞄準實質上是瞄準在目標中心點周圍一定的圓域內,該圓域的直徑反映了系統的穩定精
  11. A kind of complete convergence of sums for negatively associated sequences of non - identically distributed random variables, in the second chapter, is obtained and the requirement of known results are weakened to the condition that absoluted moment - larger than zero - is finite. the strong convergence of negatively associated sequences of non - identically distributed random variables is discussed in the third chapter. in the fourth chapter, after extend the laws of the iterated logarithm of strong stationary case to weak stationary case, we obtain the strong convergence rate for negatively associated sequences of non - identically distributed random variables in linear models

    其中第二章討論了一類不同分佈的na列的加權和的完全收斂性,我們把已的結果對矩的要求放到了只要求大於0的絕對矩的情形;第三章討論了不同分佈的na列的加權和的強收斂性;第四章首先把文[ 10 ]的關于na的重對數律由強平穩的情形推廣到了弱平穩不同分佈的情形,然後得到了性模型中不同分佈的na誤差列的收斂速
  12. The thesis analyzed the effects, associated with the propagation of laser in plasma channel, such as diffraction, plasma defocusing, the third - order intensity - dependent nonlinearity, the relativistic self - focusing, the focusing and defocusing of the plasma channel, and the absorbtion in the collision plasma and the finite pulse length effect

    文中用哈密頓-雅可比方程方法和源展開方法分別對激光在等離子體隧道中傳輸所涉及的衍射效應、等離子體散焦效應、三階強性、相對論自聚焦、等離子體隧道的聚焦和散焦效應、碰撞等離子體中的吸收效應、效應等等做了基本的闡述。
  13. With the help of this program, this paper does research on the moved backwards of the slide surface, lengthening the anchor section, the soil nail ' s total force, gets conclusion about relations between the soil nail ' s length and the slope ' s grade, height, soil ' s mechanical parameter ; relations between soil nail ' s total force and coulomb soil pressure. with the help of the large multiuse finite element program ansys, this paper analyzes the soil nailing in one - step ' s slopes, in two - steps " slopes, puts the emphasis on the axis force ' s distributing along the soil nail at each rows, the effect of both the excavating mode and the original slope figure to the axis force of the soil nail, the one another effect between the upper - step slope and the nether - step slope in the soil nail ' s axis force, gets conclusion about the design of soil nail at the first low, different slope body is the same with different excavating mode, the original slope figure has more effect to some than others because of the slope body, the reasonably design of the step width in two - steps slopes, the two - steps excavating and retaining has more virtue than the one - step ' s. through soil pressure analysis this paper does research on the differences and the links between the coulomb soil pressure theory and the rankin ' s, the vertical pressure at the slope surface when the slope surface is inclined and the retaining wall is rough, the soil pressure ' s distributing behind the panel, gets conclusion about the effect of both the slope body inner stability and the slope surface local stability to the soil pressure

    通過分析比較,論證了對數螺旋型比圓弧形作為邊坡的假設滑裂面具較多的工程優點,並為此編制了一個採用極平衡法分析土釘支護的fortran語言程序,以此作工具對滑裂面的后移、土釘錨固段的超長、土釘總力的大小等方面作了研究,得出了關土釘的長與邊坡的坡角、坡高、土體力學參數的關系、土釘總力與庫侖土壓力間的關系等結論;採用大型通用元數值分析程序ansys分別對採用土釘支護的一階邊坡、二階邊坡進行分析,重點是研究各排土釘的軸力分佈規律、開挖方式及原始邊坡形態對土釘的軸力的影響、上下階邊坡在土釘軸力方面的相互作用,得出了關第一排土釘的設計問題、不同類型的土體應適用於特定的開挖方式、原始開挖出的邊坡形態對一些類型坡體的邊坡土釘支護較大的影響而對另外一些影響不大、二階邊坡臺階的合理確定、二階開挖及支護比一階時具較多的工程優點等結論;通過土壓力分析對朗肯、庫侖兩種經典土壓力理論的區別與聯系、坡面傾斜及墻背摩擦時的坡面豎向應力分佈、面板背土壓力的分佈形態作了研究,得出了邊坡支擋土壓力受坡體內部穩定與坡面局部穩定兩個方面的影響、土釘支護面板背土體中卸荷拱的存在對面板受力利等結論。
  14. By using the arrived fundamental solution, combined with the " pseudo - traction " method and the boundary collocation, the stress intensity factor for crack in a finite plate under compressive loading are solved, the effects of crack direction and boundary condition on the stress intensity factor are analyzed, and the varying curves of the sif along with the width are given

    將所得的基本解與「偽力法」 、邊界配置法相結合,得到了板在壓縮荷載作用下應力強因子的解法,分析了裂紋方向和邊界條件對應力強因子的影響,給出了應力強因子隨板的變化曲
  15. The influence of line load width on the results of theoretical solution is studied by the way of finite element calculation of cylindrical shell under line loads with different acting width

    通過對多種載荷作用壓作用下的圓柱殼的元應力計算,研究壓作用對理論解的影響。
  16. In the case of ultrashort laser pulse, the effect of finite pulse length is anlyzed, and self - steepening in the front of the pulse will occur when only relativistic nonlinearity is considered

    同時,對于超短脈沖傳輸,分析了脈沖效應對傍軸方程的修正,當只考慮相對論性非性效應時將會引起激光脈沖前沿自陡峭。
  17. Mobile devices face temporary loss network connectivity when move ; they are likely to have scarce resources, such as low battery power, slow cpu speed and little memory ; they are required to react to frequent and unannounced changes in the environment, such as high variability of network bandwidth, and in the resources availability

    比如當這些設備在移動時不得不面對網路的短暫性連接或是不可預知的掉情況;這些設備的資源通常是很的,電池容量很小、 cpu速很慢、內存很少;他們要求能適應位置、上下文條件、網路帶改變等環境的變化,同時做出適當的反應。
  18. Spotlight synthetic aperture radar can efficiently obtain an image with very high azimuth resolution, since its antenna illuminate the fixed target on the ground. bistatic radar is not a new concept and its fundamental principles have been known and demonstrated many years before the development of operational monostatic radar

    由於其天波束始終照射同一目標場景,因此可獲得更大的方位多普勒帶和更高的方位分辨力,但實際上由於受數據處理條件、載體運動誤差等因素的影響,方位解析的提高是的。
  19. Secondly, considering the complexity of the analysis of inclined - loading pile, nonlinear finite element method is adopted to calculate the internal force and displacement of pile group under inclined loads, with the concept of equivalent width presented to simplify 3d problems into 2d problems. and a program is developed as well, which is able to consider the continuity, elastic - plasticity and layered characteristic of soil around the pile shaft. besides, the interactions among pile, base slab and soil are considered in this program and contact surface element is used to simulate slipping and crazing between pile and soil, or between base slab and soil under loads. then, the non - tension analysis is proposed, to reflect the low - tensile property of soil and concrete

    在此基礎上,針對傾斜荷載下群樁基礎分析中的復雜性,提出採用非元對傾斜荷載下群樁的內力及位移進行分析,應用樁的等效概念將空間問題簡化為平面問題考慮,並開發出能考慮樁周土介質連續性、彈塑性、分層性等因素的傾斜荷載下群樁內力及位移分析的計算機程序,並在程序中考慮了樁、土、承臺的相互作用,提出了採用接觸面單元來考慮荷載作用下樁與土體及承臺與土體間的滑移、開裂;並在此基礎上,提出了傾斜荷載下群樁基礎的「無拉力」分析方法,可效地反映土體及混凝土材料的低抗拉特性。
  20. Second the model of array was considered to have elements of finite width and infinitely large elevation dimension. this model ignore the effect of elevation on beam focusing. this paper study on phased array which was considered to have elements of finite width and finite elevation dimension, the influences of transducer parameters on focusing effect is analy / ed, including the number of elements ( n ), interelement spacing ( d ), elevation dimension ( l ), width dimension ( )

    這種方法雖然計算方便,但實際很難實現,真正的振元總是一定的尺寸,這種方法忽略了陣元的尺寸對聚焦效果的影響,后來,另一種性陣的模型被提出,即認為單個陣元具一定a ,長l為無長,或者說a遠小於l ,這種模型忽略了陣元長l對聲波聚焦效果的影響。
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