The antenna switch unit is selectively coupled to the first antenna or the second antenna.
天线切换单元选择性地耦接于第一天线或第二 天线。
The testing head further comprises a second antenna for communicating with the first antenna;
测试头还包括一第二天线，用以与第一天线通信；
The testing module further comprises a tester stock which is electrically connected with a second antenna.
测试模块还包括一测试机台电连接第二天线。
An antenna switching system for switching between a first antenna and a second antenna, where a gain of the first antenna is different from a gain of the second antenna, is disclosed.
本发明提供了一种用于在第一天线以及第二天线之间作切换的天线切换系统，其中第一天线的增益不同于第二天线的增益。
Array antenna is introduced in the receiver to improve system performance in the second part.
第二部分将阵列天线用在接收机中以改善系统性能。
Second, smart antenna signal processing is multi-dimensional signal processing, hence, the computation effort is very large, and need the higher speed DSP device.
另一方面，由于智能天线处理的是天线阵列，因而需要处理的数据量很大，对处理器的速度要求非常高。
In the second part studied the fabrication process of dielectric resonator antenna model and high permittivity ceramic plate.
研究中的第二个部分，是对于微波介电陶瓷制备介电共振器天线与高介电陶瓷薄板之制程方面的研究。
In the exemplary embodiment, shown in FIG. 1, the second conductor 104, is a conductor having a dipole antenna structure.
在图1所示的该示例性实施例中，第二导体104是具有偶极天线结构的导体。
Second, we completed a two-dimension test system scheme for an active phased array antenna.
为一部全有源相控阵雷达提供了可近似替代近场的二维中场校正方案；
With the helical antenna and a V-shaped plate antenna as a unit antenna and the second-order hexagon as the array, the antennas are integrated and simulated and get the low side-lobe characteristics.
分别采用螺旋天线和V形平板天线作为单元天线，以二阶六边形为阵列进行综合仿真，得到了比较低的旁瓣。
The second research of the thesis is to design a double-patterns four-arm plane spiral antenna with the background of wideband circular polarization plane antenna's technology.
论文的第二个研究工作是以超宽带圆极化平面天线为研究背景，设计了一个双模四臂平面螺旋天线。
The second research of the thesis is to design a double-patterns four-arm plane spiral antenna with the background of wideband circular polarization plane antenna's technology.
论文的第二个研究工作是以超宽带圆极化平面天线为研究背景，设计了一个双模四臂平面螺旋天线。
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