It has the characteristics of the small volume, light weight, high aperture efficiency and low wide-angle minor lobe and so on.
它具有体积小、重量轻、口径效率高、宽角副瓣低等特点。
Numerical results show that the effect of metallization thickness is smaller on the direction of main beam and very noticeable on the beamwidth and aperture efficiency.
数值结果表明，金属栅厚度对漏波天线波求方向影响较小，但对漏波天线的辐射效率和波束宽度有明显的影响。
Its practicality effective aperture ratio has been improved to about92.8% consequently the concentration efficiency of microlens array is increased.
其实测有效孔径比可达到92。8%极大提高了微透镜阵列的聚光效率。
A new technique named local aperture grid optimization arithmetic was presented to improve the efficiency of the classical method.
为改善计算效率，提出了一种局部口面网格优化算法对射线追踪法进行改进。
The quantity in relation to the coupling efficiency of an optical fiber:lasing mode, divergence angle, numerical aperture, focal diameter and precision optical fiber coupler are discussed.
围绕光纤耦合效率相关的量：激光模式、发散角、数值孔径、焦斑直径、精密光纤耦合器等问题进行了讨论；
By this way we can design high diffraction efficiency, as well as lager numerical aperture diffractive lens under current machine fabrication condition.
该方法在现有衍射透镜加工设备分辨率条件下，可提高衍射透镜的衍射效率，增大衍射透镜的数值孔径。
Its practicality effective aperture ratio has been improved to about92.8%, consequently the concentration efficiency of microlens array is increased.
其实测有效孔径比可达到92.8%极大提高了微透镜阵列的聚光效率。
Its practicality effective aperture ratio has been improved to about 92.8%, consequently the concentration efficiency of microlens array is increased.
其实测有效孔径比可达到92.8%，极大提高了微透镜阵列的聚光效率。
Coupling efficiency can be maximized by optimizing the relative aperture of coupling lens.
通过优化耦合透镜相对孔径，可以实现较高效率的耦合。
However, the nonlinearity of the octopole magnet changes the dynamic aperture, and lowers the injection efficiency.
然而八极铁的非线性效应会改变束流的动力学孔径，影响注入效率，从而限制流强的进一步提高。
The light energy transfer efficiency can be calculated by a method named as effective numerical aperture.
提出有效数值孔径法计算光波能量传输效率。
Its practicality effective aperture ratio has been improved to about 92.8%, consequently the concentration efficiency of microlens array...
其实测有效孔径比可达到92.8%，极大提高了微透镜阵列的聚光效率。
Screen length, incline angle, and screen-aperture are the most important screen parameters, which directly relate to the capacity and efficiency of the screen.
筛面长度、倾角和筛孔孔径是最重要的筛面参数，与筛分机的处理能力和筛分效率有着直接的关系。
The present invention has the features of wide processing hole aperture range, easy regulation of processing hole aperture, high processing efficiency, low cost, etc.
本发明具有加工孔径适应范围广、加工孔径尺寸可定量调整，加工效率高、所需成本低等特点。
To increase the radiation efficiency and broaden the operation bandwidth, an aperture-coupled microstrip antenna of high temperature superconductor with multi-layer substrates is designed.
为提高辐射效率和扩展工作带宽，对一种口径耦合馈电的多层介质高温超导微带天线进行了设计。
The drum with a square punch, increase the aperture ratio, increase drying efficiency.
内滚筒采用方形冲孔，加大开口率，提高烘干效率。
Using this method, the modules achieved a 9% aperture-area efficiency.
使用这种方法，所述模块实现了9%的孔径面积效率。
Using this method, the modules achieved a 9% aperture-area efficiency.
使用这种方法，所述模块实现了9%的孔径面积效率。
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