- 更多网络例句与矩形公式相关的网络例句 [注：此内容来源于网络，仅供参考]
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Two useful formulae for calculating the attenuation constant of conductor loss for TEm0 and TE0n modes of the rectangular waveguide are derived, and the loss characteristic in the rectangular waveguide is analyzed and computed.
根据横向谐振原理和微扰理论，本文提出了一种分析非理想波导损耗特性的新方法，推导出了一组计算矩形波导TEmO和TEOn模导体损耗的衰减常数公式，并分析计算了矩形波导的损耗特性。
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An exact solution of velocity distribution for Couette shear flow in a non circular conduit with axial symmetry section is obtained in this paper.
从N S方程出发，得到了轴对称异型断面管纯剪切流动速度分布的一般解，进而推出了纯剪切流动有限宽度矩形断面管的速度分布和流量计算公式，证明了库特剪切流是有限宽度矩形断面管当宽度趋向无穷大时的一种特例。
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The propagation of cosh Gaussian beams through a first order paraxial optical system with rectanglar hard aperture is studied. By using the expansion of the rectangle function into a finite sum of complex Gaussian functions a closed form propagation equation of cosh Gaussian beams is derived.
对双曲余弦高斯光束通过有硬边光阑的一阶ABCD光学系统的传输进行了研究，采用将矩形域函数表示为复高斯函数叠加的技巧，推导出了解析的传输公式，在特殊情况下，该公式简化为在无光阑情况下的传输公式。
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Using the relations between Hermite and Laguerre-Gaussian modes and expanding the window function of two-dimensional rectangular hard-edged apertures into a finite sum of complex Gaussian functions, the propagation of complex- argument Laguerre-Gaussian beams through a paraxial optical ABCD system with a rectangular hard-edged aperture is studied. An analytical propagation equation is derived and used to study the diffraction at the rectangular hard-edged aperture and the focusing properties of complex-argument LG beams.
利用拉盖尔－高斯模和厄米－高斯模的变换公式，并使用将二维矩孔光阑窗口函数展开为有限个复高斯函数之和的方法，得到了复宗量拉盖尔－高斯光束通过含矩形硬边光阑近轴ABCD光学系统的变换的解析传输公式，并对复宗量LG光束通过矩形硬边光阑的衍射和聚焦特性进行了研究。
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The formula was established about calculating design parameters and technological parameters of ideal strip and bent strip in the period of forming. The thesis presented how to calculate the deformed area length and contact are radius of contact deforming between two elastic bodies on condition of the friction. The calculating formula of pinch force about plate-strip pinch mill was given and the results were analyzed that friction coefficient and radius of pinch rolls are very important for determining pinch force. Moreover, the rule of deforming and stress distribution of different 〓 ratio were gained on condition that the deforming was considered to be non-uniform distribution in the gap. The differential equations were got that calculate the displacements of large deflection of elastic cantilever rectangle plate with fixed end and the formula of the Finite Strip Method was conducted to study the regularity of mid-plane displacements, deformation and stresses for elastic-plastic large deflection bend of cantilever parallelogram plate with fixed or slidable end by integrating Prandtl-Reuss equation.
建立了一套完整的设计参数计算公式和在成型过程中理想带钢或具有月牙弯带钢的工艺参数的调整公式；在考虑摩擦力的条件下，对两弹性体接触变形过程中的接触变形区长度和接触弧半径用位移解法进行了研究，推导了板带递送机的递送力计算公式，从而得知在递送机设计过程中，应选择适当摩擦系数和辊身直径；另外，还从辊缝内带钢实际变形出发，分析了对于不同的〓值，带钢的变形规律及应力分布状况；建立了固定端悬臂矩形板弹性大挠度弯曲变形的控制方程，并且在对Prandtl-Reuss方程的积分处理的基础上，导出了固定端和滑动端悬臂平行四边形薄板的弹塑性大挠度的中面伸展位移、变形和应力的有限条元法公式，编写了Fortran语言计算程序，在各种参数条件下，对螺旋焊管成型过程变形规律进行了全面的分析研究，从而为螺旋焊管的生产和进一步的改进提供了理论依据。
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Combining with the National Natural Science Foundation ofChina(No.50478032), following researches were done in this thesis: 1 The variation regularity of the ultimate anti-bending capacity of therectangular-sectioned beam with different corrosion has been obtained through thequalitative analysis of 48 beams (32 corroded beams and 12 comparing beams) withaccelerated corrosion; 2 The conclusion has been obtained that the strain of corroded steel bar andconcrete no longer fit in with the assumption of plane section through the analysis ofthe strain data, the strain relation of steel bar and concrete in the mid-span section ofvariously corroded beams at ultimate has been obtained. Through the building of newgeometric relation, the expression of the height of compressive area in the corrodedbeam with rectangular section has been deduced, and the formula with corrosion rateas the main variable for the anti-bending capacity of the corroded concrete beam hasbeen suggested and verified by experiment.; 3 The influence of steel bar corrosion and the concrete regression to the flexureductility coefficient of the corroded structure component has been analyzed. Based onthe relation of steel bar and concrete at yield and ultimate, the expression for theflexure at yield and ultimate of corroded reinforced concrete beam, and the model forthe calculation of the flexure ductility has been built.
本文结合国家自然科学基金项目(50478032)"既有钢筋混凝土桥梁时变可靠度研究"，主要进行了以下研究工作： 1通过对48根快速锈蚀钢筋混凝土矩形截面梁(32根锈蚀梁和12根对比试验梁)数据的定性分析，得到了不同锈蚀率下，锈蚀钢筋混凝土矩形截面梁极限抗弯承载力的变化规律； 2通过对应变数据的分析，论证了锈蚀构件钢筋和混凝土的应变不再符合平截面假定的结论，并通过回归分析得出了不同锈蚀率的螺纹钢筋梁和光圆钢筋梁在极限弯矩作用下，跨中截面处钢筋应变和钢筋处混凝土应变的关系，通过构造新的几何关系，得出了锈蚀钢筋混凝土矩形截面梁计算受压区高度的表达式，既而得出了以锈蚀率为主要变量的锈蚀钢筋混凝土矩形截面梁的正截面抗弯计算建议公式，并通过试验数据加以验证； 3分析了钢筋锈蚀和混凝土劣化对锈蚀构件曲率延性系数的影响，结合钢筋屈服和极限弯矩两种状态下钢筋和混凝土的应变关系，分别得到了锈蚀钢筋混凝土矩形截面梁屈服曲率和极限曲率的计算表达式；既而推导出曲率延性系数的计算模型。
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The error spectra obtained from the results of the data processing by different operators based on rectangular formula, trapezoid formula and their compensation forms are discussed, through which some error features of these operators are obtained.
文中在总体上讨论了诸如矩形公式、梯形公式以及它们的补偿形式等数据处理方法的误差谱，讨论了它们的一系列性质，例如对称性、周期性。
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In this paper the influence values derived from the Westergaard solution forestimating the vertical normal stresses in soil are obtained under the followingcases:(1) Triangularly distributed load on a rectangular area;(2) Uniformly distributed load along a line of infinite length;(3) Uniformly distributed load on an infinitely long strip-area;(4) Triangularly distributed load on an infinitely long strip-area.
本文以韦斯脱卡特(H.M.Westergaard)公式为依据，获得了计算地基中垂直应力的一些公式。这些公式是分别适用于下列各种荷载情况：(1)三角形荷载作用在矩形面积上；(2)均布荷载作用在一无限长的直线上；(3)均布荷载作用在无限长的条形面积上；(4)三角形荷载作用在无限长的条形面积上。
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The general 2-D FDFD equations in the Cartesian coordinate system and difference equations for the trapezoidal bevel edge of the waveguide are presented. Transmission characteristics of single and double trapezoidal-ridge waveguides are then analyzed using these equations.
采用直角坐标系中2-D FDFD的一般分析公式和波导梯形斜边上的差分公式，对梯形单脊矩形波导和梯形双脊矩形波导的传播特性进行了分析。
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Based on our formula of width equivalence of SIW and RW, the formula of length equivalence of SIW and RW has been derived, which is expected to find wide applications in the engineering design of SIW filter and resonance cavity.
根据已知的SIW和RW之间的宽度等效公式，通过对传播常数的分析，推导出SIW和等效的矩形波导之间的长度等效公式，这个公式在计算SIW短路结构和谐振腔时很实用。
- 更多网络解释与矩形公式相关的网络解释 [注：此内容来源于网络，仅供参考]
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rectangular hyperbola：等轴只曲线; 正只曲线
rectangular formula 矩形公式 | rectangular hyperbola 等轴只曲线; 正只曲线 | rectangular number 矩形数
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rectangular formula：矩形公式
rectangular distribution 矩形分布 | rectangular formula 矩形公式 | rectangular hyperbola 等轴只曲线; 正只曲线
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rectangular formula：矩形公式Btu中国学习动力网
rectangular distribution 矩形分布Btu中国学习动力网 | rectangular formula 矩形公式Btu中国学习动力网 | rectangular hyperbola 等轴只曲线; 正只曲线Btu中国学习动力网
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rectangular equailateral triangle：直角等腰三角形
rectangular coordinates 直角坐标(系)(又称"笛卡儿座标(系)") | rectangular equailateral triangle 直角等腰三角形 | rectangular formula 矩形公式