查询词典 antenna

Koch inverse L antenna and Yagi antenna are made use of research the miniature technology of antennas.

在这章的最后一节里，作者基于广义的分形理论，提出了一种更为实用的天线——双弯折形线天线，并对它的几何参数作了探讨。

The Yagi antenna or more correctly, the Yagi - Uda antenna was developed by Japanese scientists in the 1930's.

Yagi 天线Yagi 天线或更加正确地， Yagi - Uda 天线由Japanese 科学家发展了在30 年代。

The design of wideband circularly polarized printed antenna is an important issue of antenna research recently.

宽频圆极化的印刷天线设计是当前天线研究的重点之一。

Especially, discage antennas havesmall electrical size. Discage antennas combine the structure of discone antenna andcone-shape monopole antenna, and make use of ultra-wide-band twin-feed matchingsets.

针对小型化的要求，提出了电小天线的阻抗完全补偿和匹配优化的方法，并将该方法应用在已开发的新型笼锥天线系列上，可将天线工作频率的低端较大地向更低端拓展，从而实现天线进一步小型化。

Secondly, three types of radiotelemetry capsule antenna were proposed based on 3D digital body model and FDTD method. Finnally, radiation characters of the line gyral antenna at the four representative locations of the alimentary canal were studied.

基于人体的三维数字模型和FDTD算法，设计三种适用于生理参数遥测胶囊的天线：法向螺旋天线、长方体天线和回旋式线型天线，并给出了这三种天线的几何参数和基本性能参数。

Thin and small of powerful imaginal put oneself in another's position, body length makes an appointment with 3 millimeter, bosom black, abdominal tangerine, antenna black in all 10, penniform, eye hemisphere form, be located in antenna rear, there are 1 pair of simple eyes between compound eye.

雄成虫体瘦小，体长约3毫米，胸部黑色，腹部橘红色，触角黑色共10节，羽毛状，眼半球形，位于触角后方，复眼之间有1对单眼。

Considering the actual condition on the satellite, the forms of the antennas are defined as quadrifilar helix antenna and microstrip antenna, and their pros and cons are discussed.

其主要内容如下： 1 概述了该小卫星上对各种天线的使用需求，并针对该卫星实际情况，选定天线的形式，即四臂螺旋天线和微带天线，同时论述了它们的优缺点。

Genetic algorithm is used to design the sectored array antenna in smart antenna system in this paper.

本文使用遗传算法设计了智能天线系统前端的扇区天线阵列。

Genetic algorithm is used to design the sectored array antenna in smart antenna system in this paper.

本文使用遗传算法设计了智能天线系统前端扇区天线阵列。

According to the structural characteristics of Wireless Sensor Network,a novel range-free and distributed positioning algorithm is proposed based on anchor's sectored antenna and sensor's omnidirectional antenna.

基于锚节点装配的扇区天线和普通节点装配的全向天线，提出了一种非测距分布式节点定位算法。

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％。