操纵面偏转用物面当量法向速度模拟。
The control surface deflection is modeled by using an equivalent body velocity approach.
本文研究了宽束大物面电磁聚焦系统弯曲轴电子光学象差理论。
Electron optical aberration theory for angularly wide and transversely large electron beams in electromagnetic focusing systems with curvilinear axes has been further developed.
选择双远心光学结构,便于对倾斜物面所产生的梯形畸变进行矫正。
Furthermore, the selection of the double telecentric optical system ensures the correction of the trapezoidal distortion introduced by the tilt object surface.
对颗粒物面源模式做了深入研究,确定了颗粒物粒子面源开始沉降的位置。
The area source model of particulates was deeply researched, and the places of the initial precipitation of the area sources of particulates were determined.
在无需知道参考物面尺寸的情况下,提出判定函数,调节光轴与载物台垂直。
Criterion function is designed to determine the verticality grade between the optical axis and the reference surface without the knowledge of the reference's dimension.
对物面非齐次项、近场自由面非齐次项和远场自由面非齐次项的计算进行了讨论。
The body forcing term, near field and far field free surface forcing term calculation are studied.
对于翼型后缘等物面边界以及远场边界,提出了适合点云结构的边界条件处理方法。
Appropriate techniques are proposed for clouds of points to deal with the far field and wall boundary conditions.
考虑瞬时物面变化引起的各种非线性因素,在时域内建立浮体的非线性运动方程并求解。
Considering the nonlinear factors resulting from considering the changing of transient body wetted surface, the nonlinear motion equations are built and solved in time domain.
边界层分离点、物面最小压力点及阻力系数的计算结果与一些数值解及实验结果是符合的。
The boundary layer separation points, minimum pressure positions on the surface and the drag coefficients are in agreement with numerical solutions and experimental results.
对二阶物面边界条件采用数学手段,推导出一个没有二阶空间导数的表达式,以便于计算。
Additionally, a mathematical manipulation is adopted to remove the second-order spacial derivatives in the body surface boundary condition.
通过坐标变换使变化的物面边界条件及无穷远边界条件变为固定的有限范围内的边界条件。
Through transformations, the time-dependent boundary conditions on the airfoil contour and the boundary conditions at infinity are brought fixed to the boundaries of a finite domain.
分析了物面偏转角度和附加高度差之间的关系,得出了物面相位和物面高度之间的映射关系。
The relationship between the tilting Angle and the additional height difference is analyzed. Then the relationship between the phase of the test object and the height of object's surface is obtained.
借助于激波极曲线,对第4类激波干扰结构进行了分析,解释了干扰引起物面压力增高的原因。
By using the pressure deflection diagram, the flow structure for type 4 shock wave interaction pattern is analysed, and we explains why the surface pressure is very high in this case.
实验采用单光路临界角法,用四象限探测器探测输出信号,物面微位移采用压电陶瓷作为驱动元件。
The experiment came into use single light path critical angle method, output signals were detected by four-quadrant receiver, micro-displacement drive element were piezoelectric ceramics.
推导过程中假设物面位置不随温度发生变化,并且忽略分离薄透镜组中各组分上光线入射高度随温度的变化。
It is assumed that the object distance and the incident height of each lens do not change with temperature.
虚拟网格为紧贴物面的面网格,它的作用是将物面边界条件传递给其它网格的边界面,而其本身不作流场计算。
The main purpose of the virtual grid is to convert a solid wall boundary condition into an interface condition while no fluid flow computations are conducted within the virtual grid.
提出一种新的光学轮廓术线性编码轮廓术,它利用周期线性结构光编码三维物面,并辅以相移技术来解调相位。
A new optical profilometry linearly coded profilometry is presented. It USES a periodic linear structure illuminating light to code the surface and the phase shifting technique to decode the phase.
文中在物面无滑移边界条件的基础上施加物面绕体轴的切向速度,通过求解定常ns方程对飞行器滚转进行模拟。
In the paper, the steady NS equation was solved to simulate aircraft roll by adding tangent velocity to no slip wall boundary condition.
法向外推方法生成的内层代数网格能够保证在物面附近的网格具有很好的正交性,并可控制第一层网格至物面距离;
The inner-layer grid generated with the algebraic method is orthogonal and easy to control the distance to the wall.
数值结果表明,尽管采用的非结构网格非常稀疏,但通过采用真实曲线物面边界和高阶的基函数仍可得到高精度的数值解。
Numerical results indicate that highly accurate solutions can be obtained using high-order DG and real solid boundary conditions even on very coarse grids.
它可以把物方空间沿光轴方向上的不同物距上的物面分别成像在对应的通道上,从而把一个三维物场变为多个二维像进行显示。
By the aid of such HOE, the object planes at different distance can be-Imaged into the corresponding channels, Therefore a 3-D object field may be displayed by many 2-D images.
电子散斑干涉测量技术通过在被测物体表面产生干涉条纹(载频调制条纹),分析位移场与物面高度之间的关系,可测量物面的形貌。
ESPI can measure the object, through forming a carrier pattern on the object surface (carrier pattern modulation), analyze the relation between displacement field and altitude of the object surface.
该技术通过平移实物参考面,测得其上位相分布,利用其位移距离与位相增量之间的关系,以最小二乘方法计算位相差与物面深度之间的映射关系。
According to the shifted distance and the phase increment, the mapping relationship between phase difference and depth of object can be determined by a least squares method.
参与临床试验的人平均每周吃3.3份意大利面,而不是其他碳水化合物,其中一份意大利面相当于大约半杯碳水化合物。
Those involved in the clinical trials on average ate 3.3 servings of pasta a week instead of other carbohydrates, one serving equaling around half a cup.
评论家发现,意大利面被不公平地妖魔化,因为人们将它与其他更能促进脂肪增长的碳水化合物混为一谈。
The reviewers found that pasta had been unfairly demonized because it had been lumped in with other, more fat-promoting carbohydrates.
低碳水化合物饮食运动催生了阿特金斯饮食法、旧石器饮食法和生酮饮食法等饮食方法,这些饮食方法建议将面包、意大利面和土豆等食物换成蔬菜、鱼和肉。
The low-carbohydrate food movement gave birth to such diets as the Atkins, Paleo and Keto, which advised swapping foods like bread, pasta and potatoes for vegetables, fish and meat.
可以将在相关不整合面之间出现的大范围沉积物相互比较。
Widely-separated sediments that occur between correlatable unconformities could be compared with each other.
另一方面是文化的传统性,如建筑物、手工艺品、以及我们博物馆中那些能唤起我们的历史记忆的陈列品。
The other is the heritage aspect of culture -the architectural sites, the artifacts, the things in our museums that remind us of our past.
而另一方面,那些早晨用富含碳水化合物的食物而晚上用含有高脂肪食物喂养的老鼠体重会增长很多,它们同时还表现出新陈代谢综合症的症状。
On the other hand, those rats, which were given a high carb meal in the morning and a high fat meal at night, put on much more weight.They also displayed symptoms of Metabolic Syndrome.
而另一方面,那些早晨用富含碳水化合物的食物而晚上用含有高脂肪食物喂养的老鼠体重会增长很多,它们同时还表现出新陈代谢综合症的症状。
On the other hand, those rats, which were given a high carb meal in the morning and a high fat meal at night, put on much more weight.They also displayed symptoms of Metabolic Syndrome.
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