均勻擾動 的英文怎麼說
中文拼音 [jūnyúnrǎodòng]
均勻擾動
英文
homogeneous perturbation- 均 : Ⅰ形容詞(均勻) equal; even Ⅱ副詞(都; 全) without exception; all
- 勻 : Ⅰ形容詞(均勻) even Ⅱ動詞1. (使均勻) even up; divide evenly 2. (分出一部分) spare
- 擾 : Ⅰ動詞1 (擾亂; 攪擾) harass; trouble 2 (客套話 因受人款待而表示客氣) trespass on sb s hospital...
- 擾動 : excitation; turbulent motion; turbulence; destabilization; [物理學] perturbation motion; [地質學]...
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1 sedimentation anyslys of soil under the action of deadweight ; 2 sedimentation anyslys of structure in using ; 3 endogen force anyslys of structure in using ; 4 soil remolding type anyslys ; 5 homogenous flush works anyslys ; 6 anyslys of the structure sedimentation effects of different flushing amount at the same place ; 7 anyslys of the structure sedimentation effects of different flushing places ; 8 anyslys of the structure sedimentation effects of different horizontal flushing places ; 9 anyslys of the structure sedimentation effects of different vertical flushing places ; getting the different between the endogen force of common structure and that of slant structure. the rule of stricture sedimentation and the effect of different soil remolding type were also gained
對掏土糾偏過程做了以下9個方面的分析: 1 、土體在自重作用下的沉降分析; 2 、建築物在使用階段的沉降分析; 3 、建築物在使用階段的內力分析; 4 、土體受擾動類型分析; 5 、均勻沖水施工過程分析; 6 、同一個地方沖水量大小不同對建築物沉降影響分析; 7 、不同沉井沖水對建築物沉降影響分析; 8 、進深不同的土層沖水對建築物沉降影響分析; 9 、不同埋深土體沖水對建築物沉降影響分析。The results of 2 - d resistivity inversion of the yishui - tangtou and the liujazhuang faults indicate that electrical structures on both sides of the fault zone present obvious difference, the resistivity of the hanging wall is low and partially high, while that of the foot wall is high, and the faults are high - obliquity faults
沂水湯頭斷裂、劉家莊斷裂的二維電阻率反演結果表明,斷裂帶兩側的電性結構呈現出整體性的差異,正斷層的上盤為低阻區和局部高、低阻擾動區;而斷層下盤多為均勻的高阻區;斷層為高角度斷層。The regimes of turbulence include homogeneous flows in two and three dimensions, geostrophic motions, shear flows, convection, boundary layers, stably stratified flows, and internal waves
擾流的形式包括二維和三維的均勻流動、因地球自轉而引起的運動、切向流動、對流、邊界層流、穩定層流和內部波動。The fact is that small density perturbations or departures from perfect homogeneity, are unavoidable in such a medium.
小的密度擾動或對理想均勻性的偏離在這樣的物質中不可避免。And if disturbing enhanced, the intercalation dimension estimate value and kolmogrov entropy will rise too
隨著非均勻度減小或擾動加大, kolmogorov熵值均增大。Anechoic coatings " efficiency is getted from its front and back many layer ' s transfer loss compared. first, absorptive characteristic of homogeneous material is analyzed thoroughly. then wkb perturbation means are used to calculate absorption coefficient of the impedance transition structure in this paper
本論文首先對均勻材料的吸聲特性做了深入的分析,並詳細討論了wkb微擾攝動法,利用wkb方法計算阻抗過渡結構的吸聲系數。In the production of the copperplate rolling, the fluctuation with thickness of supplied materials, the disparity of the material performance, the deviation of actually used apparatus, external interference and apparatus change of spare part, etc. can not make traditional pid control set up accurate mathematical model, reach the ideal control result. thus, the precision of copperplate products can ’ t meet the demands far away
在銅板軋制生產中,由於帶材來料厚度的波動和材料性能的不均勻性,實際使用的設備偏差性、外界的干擾和設備零部件的變化等都會使傳統的pid控制很難建立其精確的數學模型,達不到理想的控制效果,這樣會使銅板加工成品的精度遠遠達不到要求。Thirdly, the effects on the cv rational interpolating splines from the perturbation of the two boundary conditions are analyzed. from this the error bounds of first and second derivatives of cv rational interpolating spline are given
然後,分析了兩類端點條件的擾動對cv有理插值樣條函數的影響,給出了它們在非均勻節點處的一階和二階導數值的誤差界In the pseudo - time region, high efficient lu - sgs scheme was used in time - marching. cases with uniform or non - uniform inlet stagnation pressure and with or without tip - gap flow were studied. computed results showed that complex structure vortex appeared and secondary flow occurred in the flow of cascade with tip - gap
對進口總壓均勻或總壓周向虧損(模擬上游尾跡) 、葉尖無間隙或有間隙等三種不同情況的流場計算結果,進行對比分析發現,流場中廣泛存在流動分離、分離渦以及二次流,這是引發非定常擾動的根源。To demonstrate the heterogeneity of hydrological flux and the significant influence on regional evaporation, firstly, it is proved theoretically that because of soil water content ' s horizontal spatial variability ( heterogeneous distribution ) an additional heterogeneous disturbance which is equivalent to mesoscale flux is induced
首先從理論上推證出:由於土壤水分所存在的水平空間變率(非均勻分佈,對網格區平均通量而言,可引發附加的量級與中尺度通量相當的非均勻擾動項。The additional sub - scale flux is mainly determined by the average grid value, coefficient of variation and correlations among the meteorology parameters. ( 2 ) the additional sub - scale turbulence flux is composed by two parts, one part is induced by the correlations among the transfer coefficient, surface temperature and soil humidity, another is caused by non - line relationship between the transfer coefficient and roughness, stability
( 2 )非均勻分佈引起的附加次網格地表湍流通量主要由兩部分組成:一是地表次網格上輸送系數和地表溫度、濕度的相關項,另一是由於模式中計算整體輸送系數時,整體輸送系數是地表粗糙度和穩定度的非線性函數所造成擾動項。Numerical experiment shows that this heterogeneous disturbance arising from soil water content ' s spatial variability cannot be neglected when regional mean evaporation fluxis estimated
數值試驗表明,這種因空間變率而引發的非均勻擾動項在估計區域平均通量時具有不可忽視的影響。The second, the launching dynamics calculation of projectile is arranged by using the theory of uniform design, and the concept of the integrating quantity for initial disturbance and the concept of the independence factor ' s effecting degree to dependence factor is inducted too. from the model of stepwise regression, the main random factors and their effecting degrees to initial disturbance can be obtained also
第二,用均勻設計理論安排彈丸發射動力學計算,通過引入起始擾動綜合量的概念和自變量對因變量的影響程度的概念,由逐步回歸模型分析了影響彈丸起始擾動的主要因素及其對起始擾動的影響程度,並推導了由自變量的標準差計算因變量標準差的公式。In this thesis, the steady performance of ducted propeller in uniform flow is predicted by surface panel method
本文應用基於擾動速度勢的低階面元法,擬計算導管螺旋槳在均勻流場中的定常水動力性能。Incorporating the non uniform rational b spline ( nurbs ) which is the only definition of the form of industry products, the author selects the method of b spline to do the numerical computation research work of the hydrodynamics of three dimensional ship hull based on the reading and analysis of the documents about hydrodynamics, especially the interaction hydrodynamics
作者在對與船體水動力尤其是干擾水動力的研究相關的文獻的閱讀與分析的基礎上,結合作為定義工業產品幾何形狀的唯一數學描述的非均勻有理b樣條方法,選擇b樣條(統一成非均勻有理b樣條形式)來進行有關三維船體水動力的數值計算研究工作。The results are compared with the cases in a single - layer fluid, showing that the density stratification can have a relative large effect on the drag and lift coefficients as well as the vortex shedding
計算受迫振蕩圓柱體的升力系數、阻力系數隨時間的演化曲線和圓柱體的尾渦分佈,以及圓柱體的受迫振蕩激發兩層流體內界面的擾動,並與均勻流體的情況進行了比較分析。A mathematical model of flows in the substrate was established using the equivalent continuum approach, and multi - dimensional numerical simulation of the steady flows in the catalytic converters was performed. simulation results show that the separation and vortex, which cause the pressure loss and the velocity non - uniformity at the front of the first substrate, are generated near the wall of the conical pipe. in addition, the larger the inlet cones angle the more the pressure loss and maldistribution in converters, however, when the angle enlarges enough the pressure loss would be decrease
結果顯示氣流在擴張圓錐管壁附近出現分離產生較強的擾動,造成局部流動損失和載體前氣流速度沿徑向分佈不均勻;入口擴張管結構對催化器的流動特性有很大影響,但並非擴張角越大,催化器流速武漢理工大學碩士學位論文分佈的不均勻性和壓力損失也增大,而是存在著一個最佳角度,但當擴張角增大到一定程度以後,擴張角對流速分佈和壓力損失的影響變小。In the image preprocessing that includes image smoothing and linear gray level transformation, the author brings forward a mended linear gray level transformation based on mean of gray value to enhance the image contrast. in the segmentation the paper presents an arithmetic taking the area of the pointers and construction feature of the water meter into consideration, which can extract the part of pointers in the special space of the water meter, and then binarizes image using a dynamic threshold based on the area of the pointer. the design can enhance the recognition rate for the next step
在預處理中提出了一種基於灰度期望的分段線性變換;對水表的圖像分割,提出基於面積和結構信息的二值化自動分割,包括基於結構和灰度特徵的哈夫變換分割法(指針信息區的提取)和基於指針面積的特徵的閾值分割(指針提取) ;針對指針圖像的非均勻光照、背影等干擾,提出基於多特徵的分區模板匹配法對指針的方向進行識別,從而計算出讀數。In order to simplify the perturbation equation, we assume that the system is homogeneous in equilibrium state and poisson ' s equation describes only the relation between the perturbed density and potential function
為了簡化方程,假定平衡時的系統是均勻的, poisson方程只建立擾動后的密度和勢函數之間的聯系。In chapter four, by using reductive perturbation technique, ion acoustic solitary wave in weakly relativistic plasmas under transverse perturbation, the propagation of solitons in an inhomogeneous dusty plasma and the modulational instability of dust - acoustic waves in warm dusty plasmas are all discussed respectively
論文第四章分別研究了弱相對論等離子體橫向擾動下的離子聲孤波、非均勻塵埃等離子體中孤子的傳播和塵埃等離子體中塵埃聲波的調制不穩定性。分享友人