查询词典 antenna

In this paper, we present a method of temperature calibration at the aperture plane of the antenna.

介绍一种天线口面温度定标的方法。

Firstly, in order to improve spatial resolution of microwave radiometer, the large real aperture antenna is needed.

随着应用技术的日益成熟和发展，人们对微波辐射计的性能也提出了越来越高的要求。

The top of head comes there is one deep trench in the center of the forehead, apophysis of antenna radical tumour.

头顶至额中心有一深沟，触角基瘤隆起。

Although this solution is approximate,it can solve the problem in designing the slotted antenna of such conformal waveguide.

这种解虽然是近似的，但却能解决这类共形波导缝隙天线的工程设计。

Planar Archimedean antenna has some advantages as wideband,small volume and good performance in circularly polarizing ,so it has broad appliance prosperity.

平面螺旋宽带天线具有频带较宽、体积较小、圆极化性能较好等特点，应用范围很广。

Circular twoarmed Archimedean spiral antenna s combination are designed and simulated with simulation software of high frequency electromagnetic Ansoft HFSS.

介绍微波被动比相测角的原理，利用ANSOFT高频电磁仿真软件HFSS设计圆形双臂阿基米德螺旋天线组合，天线组合的各项电性能指标均能满足微波宽带被动比相引信体制的要求，两天线进行中频比相的测试结果与理论计算结果吻合。

Since the transmitted data from each antenna is first pre-processed and then arithmetically added onto the training sequences, thus the influence of the unknown data to the channel estimation existed in normal implicit method can be cancelled.

由于每根天线的发射数据经过预处理后再算术叠加到训练序列上，从而消除了传统隐含估计方法中未知数据对信道估计性能的影响。

In the light of the underlying ideas behind smart antenna and multiuser detection, a novel multi-user detector based on the parallel array constant modulus algorithm processor , and on the adaptive space-time interference cancellation algorithm, is proposed.

将智能天线与多用户检测的思想相结合，提出了以时空盲估计和时空干扰对消为基础的多用户检测算法，该算法充分利用了信号的时域恒模特性和信号时空特征。

A novel arrow-shaped monopole antenna with a coplanar waveguide feed line is presented. The element and the feed line are etched on the same side of a substrate.

提出了一种新颖的共面波导馈电单极天线，"△"形辐射单元馈刻在介质板上，由同一面的共面波导传输线馈电。

A novel V-shaped slot antenna with a small right-angle triangle of supplementary slot is presented. The slot clement is fed by an arrow-shaped terminal of a microstrip line printed on the other side of substrate, and its good impedance matching is achieved by adjusting the area of this triangular supplementary slot.

提出了一种新颖的V形微带缝隙天线，地板上开一个直角V形缝隙，在V形缝隙的顶角处附加一个小直角三角形补偿隙，通过改变三角形补偿隙面积的大小可以对天线阻抗匹配进行优化，由基片另一侧的箭形微带线终端对缝隙单元馈电。

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％。