查询词典 antenna

In radars of the 1950s these were single target tracking devices using a nutating horn as part of its antenna.

在50年代的雷达中，天线里有个摆动的喇叭形状的部分来实现单目标跟踪装置的功能。

Once the calibration information has been determined, an alignment mechanism automatically orients the antenna.

一旦确定了校准信息，一个对准机构自动地取向所述天线。

With the Beep Antenna, you can sample as many conductive outcrops and floats in one season as a mining company drills in ten years of standard operation.

与蜂鸣天线，您可以作为范例，许多导电露头和彩车在一个赛季作为一个矿业公司演练在10年的规范运作。

Migration parameters for the overflying population - density, speed, direction, flux, collective orientation - and their variances are estimated from these datasets, and profiles of these quantities can be obtained by the usual scanning entomological radar technique of observing at a sequence of antenna elevations.

利用该系统可以获得昆虫在空中迁飞获动的密度、速度、方向、群体定向及变化情况。进行按一定仰角的系列观测，即可获得各个高度层昆虫迁飞分布的情况。

According to the equation of laser transmission in atmospheric turbulence field, has ratiocinated the relations between the system error rate and the luminous intensity fluctuation under the condition of different number of the transmitting antenna and the correlation coefficient.

根据激光在大气湍流场中的传输方程，分析了在发射天线数目和相关系数不同的条件下，系统误码率和光强起伏的关系。

By sandwiching a layer of Teflon between the silicon wafer and the ground plane, the novel micromachined shortened stacked patch antenna printed on high index wafer has superior performance over those of traditional design, while its bandwidth has been increased by as much as 8.6%, and its length of patch has been miniaturized to only an eighth wavelength.

本文提出了一种在高介电常数上用微机械工艺制作的短接层叠式贴片天线，该天线在硅片和接地板间夹一层Te flon ，这样天线的性能得到了提升，相对带宽增加到 8.6 %，而几何尺寸仅为波长的 1 8。

By sandwiching a layer of Teflon between the silicon wafer and the ground plane, the novel mi-cromachined shortened stacked patch antenna printed on high-index wafer has superior performance o-ver those of traditional design, while its bandwidth has been increased by as much as 8.6 ％, and itslength of patch has been miniaturized to only an eighth wavelength.

传统的半波天线尺寸较大，在小型通信设备中使用会出现许多问题。本文提出了一种在高介电常数上用微机械工艺制作的短接层叠式贴片天线，该天线在硅片和接地板间夹一层Tef-lon，这样天线的性能得到了提升，相对带宽增加到8.6％，而几何尺寸仅为波长的1/8。

The feasibility of the two proposed methods is verified by computer simulation.4、A single receiving station passive radar system framework based on Software Defined Radio is proposed. Receiving directly signal, scatted signal use an array antenna simultaneously in the radar system. Therefore, the hardware structure of the system is simplified, Maneuvering and Flexible design are improved.

通过计算机仿真验证提出方法的有效性。4、提出了一种基于软件无线电架构的单接收站无源雷达系统，该系统采用一副天线阵列同时接收直达信号和目标散射信号，简化了系统硬件构成，增加系统机动灵活性能。

Finally, the given model is applied in an electromagnetic scatting and an antenna's radiation.

最后，将该模型应用于一个电磁散射问题和一个天线问题的案例。

This includes spires and architectural details but does not include antenna masts.

这包括尖顶建筑细节，但不包括天线桅杆。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。