縱向響應特性 的英文怎麼說

中文拼音 [zōngxiàngxiǎngyīngxìng]
縱向響應特性 英文
longitudinal-response characteristics
  • : Ⅰ動詞1 (釋放; 放走) release; set free; let go 2 (放任; 不約束) indulge; give oneself up to; l...
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • 縱向 : [造紙] direction; machine direction; endwise; longitudinal direction; vertical; longitudinal縱向...
  • 特性 : characteristic(s); character; performance; features; properties; behaviour; response; character...
  1. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要及其用,從四能級速率方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功率和斜效率的表達式,並簡述了激光器的工作原理、結構型式和倍頻方法;其次,以空間相關的速率方程為基礎,提出了ld端面泵浦nd : yag激光器的設計方法,給出了一定泵浦耦合方式下,振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據,以此為依據,設計了自聚焦透鏡耦合小功率ld泵浦nd : yag激光器和透鏡組耦合高功率ld泵浦nd : yag激光器,對激光器的輸出功率和功率穩定進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光器以單模運轉;最後,根據泵浦光焦斑端面位置對激光輸出功率的影規律,提出了ld端面泵浦nd : yag激光位移傳感新方法,並進行了理論和實驗研究,研究結果表明:當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時,激光輸出功率的自然指數與泵浦光焦斑的位置成高斯變化規律,測量范圍和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏度提高,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  2. This paper deals with seismic response of a tunnel - soil system immersed tunnel , as an underground structure , must be compatible with the deformation of the surrounding soil thus the simplified model for a tunnel - soil system is established through two steps at the first step , an mdof system is developed for modeling the foundation soil to this end , dynamic behavior of the foundation soil is analyzed a typical section of the foundation soil simplified as a single mass - spring system on the basis of some equivalent criteria those mass are linked longitudinally by elastic springs to form an mdof system at the second step , the tunnel is treated as a beam on elastic foundation ; that is , the tunnel is connected with the soil massed to form a tunnel - soil system this model has been applied to the seismic analysis of huangsha fangcun immersed tunnel across the pearl river in guangzhou design recommendation is proposed on the basis of this analysis

    研究沉管隧道在地震條件下整體受力的分析方法分兩步建立計算模型第一步通過分析場地地基土切片的動力,根據等效原則將其化為等效單質點體系,然後在用等效彈簧連接而成為多質點體系的地基土計算模型;第二步將隧道看作彈地基梁與上述多質點體系通過等效彈簧連結而得到土隧道體系的計算模型本文結合廣州黃沙芳村珠江水下隧道工程實例建立了具體的計算模型並對多種不同的約束條件,進行了與橫地震時程分析,為該隧道的抗震設計提供依據
  3. After a careful comparison we found : ( 1 ) rotating the coordinate system around the z - axis for each event is necessary for the relaxation of the correlation between thrust ( or sphericity ) major - minor frame and the direction of the first hard gluon emission. ( 2 ) the horizontal factorial moments ( hfm ) are equivalent to the vertical ones ( vfm ) only after cumulant - variable transformation. therefore, in the study of nonlinear phenomena in high energy collisions the hfm can be used only in combination with the cumulant variables

    工jlnfy4ww ; 6標系與發射第一個硬膠子之間的關聯效,從而觀察到全部強度的動力學起伏;證明了:只有在引入累積變量以後,橫矩才等於矩,從而也才等效于幾率矩,困而只有在這時,橫矩才能被使用;論證了:對eb對撞末態粒子系統動力學起伏的研究只能在全相空間進行,而不能用限定的相空間,因而只能採用丟掉最初的一個或幾個點的方法消除動量守恆對相空間標度的影
  4. Fluorescence power transfer function, three - dimensional point spread function ( 3d - psf ) and three - dimensional optical transfer function ( sd - otf ) for the various fluorescent wavelength of the two kinds of fluorescence confocal scanning microscopy are calculated in this paper by using fourier imaging theory. the results show that the fluorescent wavelength has influence on imaging property of confocal microscopy such as spatial cut - off frequency, resolution and 3d - otf. there is a different missing - cone in the 3 - d space of otf when the ratio of excitation wavelength to fluorescent wavelength decreases

    本文在sheppard和gumin等人的理論基礎上,利用fourier光學成像理論,討論了不同熒光波長對單光子和雙光子共焦顯微鏡成像的影,導出了單光子和雙光子共焦顯微鏡的熒光功率傳輸函數、三維脈沖函數和三維光學傳遞函數,得到了它們在不同激發波長與熒光波長比值時具體的表達式,並且通過數值計算,得到了它們的曲線圖,結果表明:隨著激發波長與熒光波長比值的增加,焦斑的橫分佈和分佈變窄,橫解析度和解析度提高,系統的成像效果變好,當激發波長與熒光波長的比值下降到一定程度時,可以看到不同程度的失錐現象。
  5. Analysis of prototype with frame - bent in the longitudinal direction and frame - shear wall in the transverse direction under the earthquake with peak acceleration 50gal. is conducted. the following subjects are concerned : the dynamic properties, the torsional effect on the structure, split lever influence on the distribution of the shear forces in the columns, the mechanic of the frame corporation with the bent

    在試驗研究的基礎上,對橫框排架、框架?剪力墻結構的整體廠房進行平扭耦聯的地震反分析,研究了該類結構的動力、扭轉對整體結構受力的影、層間變形及扭轉效、框架與排架的內力分配、錯層對該層各柱剪力分配的影、相的簡化計算方法等相關內容供設計時參照。
  6. Numerical simulation by cfd was carried out to understand the hot current behavior in a tunnel with longitudinal ventilation. it becomes clear that fire source modeling is very important because the hot current behavior is strongly affected by the fire source position and is sensitive to methods in the modeling of the fire source. the flame area which has developed from the fire source is an area of chemical reaction caused by combustion. even if grids in the vicinity of the fire source are made fine, it was difficult to simulate the heat generation area with consideration to this chemical reaction through using a method for setting the heat release rate simply on the fire source surface. therefore, we proposed a method adopting the knowledge on flame shape under the longitudinal ventilation and incorporating it into numerical simulation and it showed a good agreement with the experimental results. it was shown through experiments in a tunnel with longitudinal ventilation that the hot current developed toward the tunnel center downwind from the fire source near a wall. the cause was investigated by numerical simulation and it became clear from the results that the spiral air by the fire plume created a vortex in the crevice between the wall and the plume

    運用cfd進行數字模擬,以了解通風隧道內熱煙氣流的.通過模擬發現對火源進行模擬非常重要,熱煙氣流受火源位置的影很大,並且對火源模擬方法很敏感.火源生成的火焰區是燃燒引起的化學反區域.即使火源附近的木垛排列完好,也很難在考慮這些化學反條件下模擬熱生成區域.建議考慮通風隧道內火焰形狀並對它進行數字模擬.模擬結果與試驗結果非常吻合.試驗證明,在通風隧道內,熱煙氣流從靠近墻體火源處順風隧道中心蔓延.數字模擬結果發現,火災羽流造成的螺旋上升空氣會在墻體和羽流之間形成一個渦流區
  7. Abstract : numerical simulation by cfd was carried out to understand the hot current behavior in a tunnel with longitudinal ventilation. it becomes clear that fire source modeling is very important because the hot current behavior is strongly affected by the fire source position and is sensitive to methods in the modeling of the fire source. the flame area which has developed from the fire source is an area of chemical reaction caused by combustion. even if grids in the vicinity of the fire source are made fine, it was difficult to simulate the heat generation area with consideration to this chemical reaction through using a method for setting the heat release rate simply on the fire source surface. therefore, we proposed a method adopting the knowledge on flame shape under the longitudinal ventilation and incorporating it into numerical simulation and it showed a good agreement with the experimental results. it was shown through experiments in a tunnel with longitudinal ventilation that the hot current developed toward the tunnel center downwind from the fire source near a wall. the cause was investigated by numerical simulation and it became clear from the results that the spiral air by the fire plume created a vortex in the crevice between the wall and the plume

    文摘:運用cfd進行數字模擬,以了解通風隧道內熱煙氣流的.通過模擬發現對火源進行模擬非常重要,熱煙氣流受火源位置的影很大,並且對火源模擬方法很敏感.火源生成的火焰區是燃燒引起的化學反區域.即使火源附近的木垛排列完好,也很難在考慮這些化學反條件下模擬熱生成區域.建議考慮通風隧道內火焰形狀並對它進行數字模擬.模擬結果與試驗結果非常吻合.試驗證明,在通風隧道內,熱煙氣流從靠近墻體火源處順風隧道中心蔓延.數字模擬結果發現,火災羽流造成的螺旋上升空氣會在墻體和羽流之間形成一個渦流區
  8. 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的影;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波速度的影;通過對長期水驅造成的物參數、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,指出了目前國內外水驅四維地震可行研究中存在的盲區?沒有充分考慮長期注水造成的物、溫度和壓力變化對地震的影,完善了水驅四維地震可行研究的內容;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
  9. The computations are shown to agree well with available experimental and numerical data and the physics of 3d large - scale flow separations and vortex shedding are confirmed. the simulation of the flow around a maneuvering wigley hull is a demonstration of capability for calculations of sway forces and yaw moments acting on a hull moving obliquely at a large range of yaw angles. the focus of study is large - scale cross - section separation flows, bilge - vortex development along the hull in the longitudinal direction and their effects on hydrodynamic forces

    用所開發的求解器,以wigley船型為算例計算了大角度斜航船體粘流場和水動力,分析了漂角的變化對船體所受到的粘水動力的影,相當精確地預報了以橫流分離和般渦生成與泄出為徵的操運動船體有流動形態及橫水動力和轉脂力矩,經與現有試驗和計算數據比較,檢驗和驗證了該求解器精確模擬繞斜航運動船體的大尺度分離流動和計算非線水動力的能力。
  10. Therefore, it might be very essential to study the cable stayed bridge of the super breadth composite beam. additionally, the main problems of the study are as follows : 5 、 the distributing for stress of lengthways and transverse in transect ; 6 、 discussing the change of stress of lengthways and transverse, while the breadth of bridge is changing ; 7 、 in the cable stayed bridge of the super breadth composite beam, the lengthways reinforce rib and rigidity crossbeam exert influence on stress of bridge board ; 8 、 while tower and beam are concretion, main tower affects bridge board

    鑒于目前關於此類橋型研究成果不多,就此作了下列若干問題的研究: 1 、超寬疊合梁斜拉橋橫斷面上力分佈和橫力分佈點的研究; 2 、對超寬疊合梁斜拉橋隨著橋寬變化時,上述兩種力分佈變化規律進行探討; 3 、在超寬疊合梁斜拉橋中,加勁肋對橋面板受力的影;橫梁尤其是剛橫梁在橋面板受力中所起的作用; 4 、塔梁固結時,主塔對橋面板的作用。
  11. During this paper, definition of the measure enter - cover - probability is given, andthree - dimension detection space are transformed to level detection circles on differentheights. aiming at the most normal situation of symmetric line, cross - to line and cross - awayline taken by the carrier, probablely - enter - cover - target - distribution are analysed in relativemovement method on the premise that targets fly perpendicular to the flying direction of thecarrier. mont - cario method is used to simulate uniformly - distributed - targets situation and getthe measure, and results are used to analyse the influence of line - landscape - orientation - ratio, line - portrait - ratio, and speed - ratio on the measure. for further research, influences of height and blind space are also discussed on base ofradar level detection range, and situations of non - uniformly - distributed targets are alsoresearched

    為了分析主動探測空間動態能,本文首先提出以「目標進入雷達覆蓋區概率」 (簡稱為「覆蓋率」 )作為評價指標;然後將三維探測空間轉換為不同高度層對的水平探測圓,針對載機採用雙平行航線、交叉相航線和交叉同航線的最一般情形,採用相對運動的方法,分析目標垂直入侵時可能進入雷達覆蓋區的目標分佈情況;再運用蒙卡洛法進行模擬計算,分析並比較目標服從均勻分佈時航線橫比、航線比及速度比對能的影
  12. So the framework chanmical way was adapted to study the character of the pipelines ' response under trigonometric function traffic loads ; then the randomicity of the parameters were taken into account, the paper uses the perturbation theory to describe the random character about the changing parameters of the pipelines. the calculate formula and simply resolution of response character of pipelines under random loads was educed. the technique of numerical value can stimulate the complex actual situation effectively

    用數值技術可以有效的進行實際復雜情況的模擬,因此,文中對管道在恆定交通荷載和簡諧荷載下管道的以及橫受力進行了數值模擬計算,主要採用比較適合於土體計算的abaq二軟體進行,同時也對其各影因素作了相關敏感分析。
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