查询词典 rectangular projection

Based on the rigorous coupled wave theory,the phenomenon that the zero order reflection efficiency of rectangular subwavelength grating varies with the wavelength is studied when incidence angle,azimuth and grating parameters are variant.

从严格耦合波衍射理论出发，在不同入射角、方位角和光栅参数下的情况，计算了矩形亚波长光栅零级反射效率随入射光波长的变化。

Based on a differential refractometry, a reference water cell filled with distilled water to reduce influence of temperature drift effectively is partitioned by an oblique optical-transmission plate from a horizontal rectangular water tank, which, as a measurement element, is filled with measured salt water.

基于差动折射率测量原理，引入了一个装有蒸馏水的参考水槽，从而有效地减小了温度漂移对盐度测量带来的影响。

Adopting the triangle elements to fill the design region, the difficulty to divide irregular design domain by rectangular elements is overcome.

采用三角形单元进行有限元的分析，克服矩形单元对不规则区域划分单元的局限性。

By comparing the theoretical and measured results, we find that the rectangular cavity perturbation method has relative high precision in complex permittivity.

详细介绍了矩形谐振腔微扰法的基本原理；通过对比标准物质的测量结果发现，矩形谐振腔微扰法测量复介电常数具有比较高的测量精度，且使用样品少。

I have noticed though that when I import a model made in Rhino that many of the maps are rectangular or square in UV Mapper Pro until I remap them.

可是我注意到当我用Rhino输入一个模型的时候，如果我用UV Mapper Pro重新绘图的时候，图形的许多网格是矩形的和正方形的。

In chapter 3,we discuss the conversion from triangular Béziersurfaces to rectangular Bézier surfaces by reparametrization.

第三章应用Bézier曲线、曲面的算子表示技巧，研究了从Bézier三角片到Bézier矩形片的转化关系。

In addition,it is found that the width of the corresponding waveguide of the rectangular cavity has an essential effect on the number of solutions for the resonance condition equation.

结果表明，随着横向尺寸的减小亚波长谐振条件的物理解数量将逐渐增多直至趋于无穷。

It is concluded theoretically that when the signal pickup microphone is placed on one of these points, a corner in a rectangular room for example, any increment in open-loop gain of the secondary system will multiply the damping of reverberant sound field.

只要把次级系统的信号拾取传声器置于这类特征点上，比如在矩形空间中三面相交的墙角处，则次级系统开环增益的增大，就相当于增大了整个混响声场的阻尼。

In the experiments, the accelerometer and the microphone are used respectively to measure the acceleration on the panel and the sound pressure in the cavity. Piezoelectric ceramics Transducer is used as the control source to control reverberant sound field transmission through a simply supported rectangular aluminium panel into a concrete cavity.

实验中采用加速度计和话筒作为传感器拾取板振动的加速度和闭空间内的声压信号，用压电陶瓷片作为振动控制源来控制混响声场通过简支矩形铝板向混凝土闭空间的声传入。

After that, the important equation for calculating reverberation time is given based on the definition of reverberation time and least squares method. Finally, we use our new method to calculate reverberation time in a rectangular enclosure; we also compare our results with those given by experiment and Sabine's equation. The comparison shows that the new method is more effective and accurate than Sabine's equation in calculating reverberation time of small enclosures.

给出了描述小尺度封闭空间内声场的有限元模型；在该模型的基础上推导了计算小尺度封闭空间内混响时间的方法，并编制了相应的计算机程式；在算例部分，计算了一矩形封闭空间内的混响时间，通过与实验结果进行比较，验证了这一方法的正确性。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。