查询词典 antenna

Drawback of cassegrain antenna system based on space optical communication.

基于空间光通信卡塞格伦天线弊端的探讨。

A Cassegrain optical antenna with parabolic structure is designed.

设计了具有抛物面结构的卡塞格伦光学天线。

The simulated analysis results of the hybrid method are in good agreement with the results presented in the literature, which shows that the method is feasible and accurate. Finally, the hybrid method is used to analyze a side-fed offset Cassegrain antenna, and its radiation characteristics as well as its gain under wide-angle scanning are given.

与文献中已有结果的比较表明，文中的混合方法是可行和精确的，并采用该混合方法对一个侧馈偏置卡塞格伦天线进行了分析，给出了该天线的宽角扫描辐射特性和增益。

By detailed analysis of Cassegrain optical antenna in partial axis situation,the expression of the area of the receiving spot and the power decline curve are obtained for different deflection angles.

通过对偏轴下的卡塞格伦光学天线系统的分析，得到了不同偏转角所对应的接收光斑面积表达式和功率衰减曲线。

The results showed that hematopoietic tissues were located in the anterior part of stomach, upper part of stomach, base of rostrum, the lepis of antenna, the third maxilliped, base of appendages on the cephalothorax etc.

染色结果确定：额剑基部、头胸部的附肢基部、第二触角鳞片、第三颚足、胃上部、胃前部等部位存在着造血组织。

The results show that the improved choke-vault antenna with a sleeve choke reduce back energy and make distributing of energy not dep...

结果显示：挽袖圆顶天线通过优化的挽袖结构，减少了天线的能量反射，能量的分布不会随天线插入组织深度的不同而引起变化，优化的顶部结构可得到更好的反射特性。

Our products have already been widely applied in the Automobile Industry such like rain scraper, the rear view mirror, the seat regulator, the safety belt and so on; Consumer Electronics such like self-operated thermostatic control, chronoscope, coffeemaker, thermotron, electric razor, fuel gas equipment for kitchen; Electronic and Communication such like coupling, antenna, switch potentiometer, hard disk guide rail, radiator; Furniture Hardware such like hinge, handle and so on; Architectural Engineering such like aluminum gate, window, screw and so on; Hydraulic and Pneumatic such like valves, quick release, line frame, coupling, pump, cylinder.

我们的产品已经广泛应用于汽车零部件如雨刮器、后视镜、坐位调节器、安全带等；消费电子如自动调温器、记时器、咖啡机、电子温度计、电动剃刀、燃气厨房设备；电子和通信如连接器、天线、开关电位器、硬盘导轨、散热器；家具五金如合叶、把手、铰链等；建筑工程设备如铝制门、窗、螺丝等；液压气压设备如阀体、快拆、线框、连接器、泵、汽缸。

The principle and design scheme is set forth about antenna tracking control system of orbit weather secondary planet in the paper. Its characteristic is that the circuity of the system is greatly simplified by tracking logic circuit, The well effect is shown in practice.

阐述轨道气象卫星天线跟踪控制系统的工作原理及系统设计方案，其特点是采用跟踪逻辑电路，大大简化了天线控制跟踪系统的战略，在实际应用中获得良好的效果。

It contains the design of circular polarization and finds the correlation between antenna gain and different substrate materials.

其中包含了圆形极化天线之设计，并比较各种不同基材材料对天线增益的影响。

And finally calculate the broadband responses of the cirque antenna.

最后计算出圆环天线的宽带响应。

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％。