The results indicate that flat-top beam shaping and single-circle beam shaping at the focal plane can all be realized by using three-zone annular phase pupil filters.
模拟结果表明，利用三环相位光瞳滤波器，不仅可以在焦面上实现光强的平顶分布，而且还可以得到单环衍射光束。
The effect of the random growth error on the transmission performance of the double half-wave filter with flat-top response is studied, with the transmission matrix method.
采用传输矩阵的方法，研究了随机生长误差对双腔型平顶滤波器透射特性的影响。
The results of flat-top wave beam and cosecant square wave beam, which are gained using this method, are fairly good, testifying this method is effective in beam shaping of conformal arrays.
运用此方法得到共形圆柱阵列的平顶波束和余割平方波束方向图，效果较好，证明此方法对于共形阵列是有效的。
He tugged at the thin ropes, and nearer and nearer came the circle of flat corks, and the net rose at last to the top of the water.
他继续拽那细绳，扁平的软木浮圈越来越近，终于，渔网升出了水面。
The conveyer belting section for conveyer is concave groove type. Top of two sides is flat. The damper, figured project and point project or concave can be positionaled into concave groove type.
一种输送机使用的输送带，其断面形状为中凹槽型、两侧上端平型、在中凹槽型内可设置挡板、花纹样突出物、点状突出物或凹坑。
Top of skull flat, turning with slight stop to bridge of muzzle, with muzzle line extending parallel to top line of skull.
头顶平坦，脑袋通过轻微的止部与口吻衔接，口吻轮廓线与脑袋的轮廓平行。
For delivery of open top, flat and platform containers, quotation will be furnished upon request.
开顶箱、平板箱运至展台服务，费用另作报价。
Theoretically, a column conformal array with small size and few elements to generate a shaped beam with low side lobe and main beam with fixed width and flat top is carried out.
理论上实现了用较少的天线单元，且与小直径圆柱面共形的阵列，激励产生副瓣电平较低、主瓣有一定的宽度且顶部较平坦的波束。
You can assemble your pieces directly on the table top, so its ideal for production of panels and large flat pieces.
使用者可直接在桌面组装工件，所以对于生产面板和大型平面工件是理想之选。
An outside staircase, placed on a partly demolished oriel, leads up to the top of the new flat roof, where a new terrace is created from timber flooring.
一部室外楼梯，设在窗外，能通向新的平屋顶上。屋顶上有一个由木地板铺成的新露台。
Eccentric reducers shall be used when necessary to increase or decrease the line size at the suction to all pumps, install flat side on top.
当需要增大或者减小所有泵吸入口处的管道尺寸，平面一侧朝上安装时，应使用偏心异径管。
For resonators with random disturbed phase mirror, its modes are partially coherent, and there also exists a suitable parameter to get flat top beam.
对随机微扰型位相片，输出模式是部分相干的，在合适参数下，也可得到平顶光束。
A window function which has a flat top in frequency domain is designed to correct the amplitude error caused by Picket_Fence effect.
并从减小栅栏效应带来的幅值估计误差的角度，设计了一个具有平顶窗谱的窗函数，分析对比了它和矩形窗函数的性能差异。
A cap with a flat circular top and a visor.
有一个圆形平顶和帽舌的帽子。
He applies a bit of pomade to the top and brushes it so that it lies flat for a formal look.
正式场合下他会在顶部用一点点发蜡再刷一下来让它们“平躺”下来。
The original fruit shape and fruit top were kept in self-crossed progeny, but a few of plants with oblong fruit shape and flat fruit top also appeared.
自交后代基本保持了原有的果形和果顶，但也可分离出长圆形、平顶的个体。
OK, so, this top here is kind of flat.
因此，顶部差不多是平的。
The generated square pulses have flat top and no internal structure.
所产生的方波脉冲顶部平坦并且无内部结构。
The effect of wind speed on the top heat loss coefficient of flat plate solar collector has been analyzed, the modified coefficient for wind speed effect and its empirical equation has been derived.
本文分析了风速对平板型太阳集热器顶部热损失系数的影响，导出了风速影响修正系数及经验公式。
The interval block groups are arranged on the top of the flat plate frame and correspond to the type of the container.
间隔挡块组设置在平板架顶面并与集装箱规格相对应。
Losegg is quite flat on the top, and there was also a nice resting place so sit down and have some food and drinks.
洛斯艾格山的山顶很平坦，而且还有一个风景很好的场地供人们坐下来休息野餐。
The top of the skull is flat with a slight vertical furrow and is approximately as wide as it is long.
头顶平坦，中间有轻微的纵向凹痕，脑袋的宽度与长度相等。
If the glass were kept hot enough, it would flow over the molten tin until the top surface was also flat, horizontal and perfectly parallel to the bottom surface.
如果玻璃保持足够的温度，它就会在熔化的锡中流动，直到顶部表面也变得平整、水平，与底部表面完全平行。
You know my flat is on the top floor.
你知道我的公寓房在顶楼。
Using the left hand pull the top section down in order to line its edge with that of the under section (needle still in the down position) which remains flat.
为了使上层裁片的边与下层裁片的边成一排，用左手将上层裁片往下拉，这样可保持平整。
Visible on the above image right are two flat top mesas in southern Mars, where the season is changing from Spring to Summer.
可以看到上面影像右侧是两座位于火星南部的平顶山，而那里的季节正从春天向夏天转变。
Visible on the above image right are two flat top mesas in southern Mars, where the season is changing from Spring to Summer.
可以看到上面影像右侧是两座位于火星南部的平顶山，而那里的季节正从春天向夏天转变。
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