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 antenna switch which routes the rf-signal to the selected part of the front end is a natural object for electrical assembly.
天线开关，在选定的路线上的rf - signal前端的一部分是一个自然的对象为电气装配。
The circuit design part mainly introduces the duplexer design with lumped apices filter, and the antenna switch design with PIN diode.
在电路结构设计部分，主要讨论了采用集总参数传输零点滤波器实现天线双工器和采用PIN管实现天线开关的设计方法。
Firstly, the Antenna and Antenna Switch which are presently used in Cell Station are introduced, and the design procedure of the RF Switch is given in detail.
首先对目前广泛应用在基站中的天线和天线开关进行了介绍，并给出天线开关的详细设计过程。
Has developed the antenna switch, which is used in T-R separate antenna system, also put forward the scheme of designing the switch for T-R community antenna system.
收发分离天线体制下，天线开关的设计与实现，并提出了收发共用天线体制下高频天线开关的设计方案。
Watt Cellular Antenna Changeover Switch.
瓦蜂窝天线转换开关。
Antenna system maintenance and measurement: precision gang switch and support device.
天调系统维护与测量：精密的同轴开关以及配套器件。
Rotate the SKIM and its mounting bracket downwards and then to the side away from the steering column to slide the SKIM antenna ring from around the ignition switch lock cylinder housing.
向下旋动skim及其安装托架，然后向转向柱侧面旋转，将skim天线环滑动到点火开关锁柱插槽附近。
At least one antenna is connected to an adjusting circuit with a switch, by which the antenna's operating band can be displaced in a desired way.
至少一个天线连接至有转换开关的调节电路，通过调节电路能够根据需要使天线的工作频带移位。
Based on the PIFA structure, a pattern reconfigurable antenna can be controlled by RF diode switch is designed, with bandwidth expanded at the same time.
首先以PIFA天线为基本结构，设计了能通过控制二极管开关状态来改变方向图的可重构天线，并实现了天线带宽的拓展。
The fractal theory, fractal antenna, the RF MEMS switch and the Reconfigurable fractal antenna with integrated MEMS switches are investigated in this paper.
本论文综合研究了分形技术、分形天线、RFMEMS开关和集成MEMS开关的可重构分形天线等问题。
Additionally, switches may be used to 'switch in' and 'switch out' capacitive elements to adjust the bandwidth of the antenna.
另外地，开关可被用来“接入”和“断开”电容性元件，以便调节天线的带宽。
Additionally, switches may be used to 'switch in' and 'switch out' capacitive elements to adjust the bandwidth of the antenna.
另外地，开关可被用来“接入”和“断开”电容性元件，以便调节天线的带宽。
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