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- rotatable directional antenna 可转定向天线
- An array of wave probes can be used as a directional antenna. 排成阵列的测波仪，可作为波浪传播方向的感触器。
- In radiocommunications,the radiation in a lobe of a directional antenna. 在无线通信技术中，定向天线以某一波瓣辐射的电磁能。
- A radio receiver and directional antenna used as a system to determine the angular direction of incoming radio signals. 无线方向探测器一种无线电接收和指向天线系统，用来确定收到的无线电信号的角方向
- In radiocommunications, the radiation in a lobe of a directional antenna. 在无线通信技术中,定向天线以某一波瓣辐射的电磁能。
- Connect the Directional Antennae (9). 连接定向天线（9）。
- It uses 3 adjacent BSs of the existing system to constitute a new cell based on the typical directional antenna configuration. 该系统可兼容现有的定向天线覆盖的蜂窝结构，利用3个相邻基站的共同覆盖形成有序分布的正六边形小区。
- GeoSat - GeoSat provides the Elevation and Azimuth for a directional Antenna when the LatLong of the User and Longitude of a GEOsynchronous SATellite is provided. 当地球同步人造卫星经度和用户的位置提供给GeoSat时,它会为有向天线提供海拔与方位。
- In order to reduce routing load and route coupling, a new scheme the reliable minimum energy node disjoint multipath routing with directional antenna (RMENDMRDA), is presented. 摘要为减轻节点不相交多路径路由负载和解决路径间的耦合问题，提出了一种基于定向天线的最小能量节点不相交多路径自组网路由算法(RMENDMRDA)。
- The reasons are analyzed,and a modification method is presented, in which DSR controls antenna pattern used by transmitting node,part of packets are sent with omni-antenna and the others are sent with directional antenna. 分折了此现象产生原因,并提出了一个改进方法; 由DSR协议参与控制分组发送时使用的天线模式,对部分影响协议性能最为严重的分组采用全向发送,其余分组使用方向天线发送。
- If the ship's EGC receive facility shares a directional antenna with an INMARSAT ship earth station, only the MSI broadcast through the satellite which is being tracked by the SES will be received. 如果船舶EGC接收设施与INMARSAT船舶地球站共同使用一个定向天线，则只能接收由SES正在跟踪的卫星所播发的海上安全信息。
- Rotation direction: clockwise rotation viewed from motor end. 泵的旋转方向：由电动机方向往泵看为顺时针方向旋转.
- The paper makes a review on the recent advance in this material, with a focus on the applications of the metamaterial in the military use, such as the radar image, directional antenna and absorbing. 详细的回顾了这种新型人工电磁材料背景、研究进展，并着重介绍了这种材料在微波频段雷达成像，定向天线，隐形等军事领域的应用前景。
- Adopted unique ventilation system and rotational direct current motor stabilize the hot airflow. 采用独特的导风系统及旋转式直流电机,恒定预热风量。
- The paper introduces the design and development of directional antenna turntable servo system for the communication between the ship with a microstrip antenna and the station with a microwave radio. 本文论述了用于海上船只与地面站微波通信的定向天线转台伺服控制系统的设计与开发过程。
- Finally, we construct 3D highly directive antenna based on the hyperbolic medium. 最后，在基于双曲线介质来构造3D高指向天线。
- Directional Antennae allows the DSAS to reduce background and wind noise without the need for a bulky parabolic dish. 定向天线，让员，以减少背景与风噪声，而不需要为笨重，抛碟。
- Antennae used by the indoor coverage system mainly consist of the indoor wall-mounted directional antenna and indoor ceiling omni-directional antenna. 室内覆盖系统中所用天线主要包括室内挂墙定向天线、室内吸顶全向天线等。
- The rotation direction of impeller is based on the direction indicated by rotation arrow. 叶轮旋转方向，以转向箭头所示方向为准。
- Point-to-point communications requires high gain and high directivity antennas. 在点对点无线通讯的系统中，其天线通常要求高增益和高指向性的天线效能。
