In this paper, we devise an experiment, using HF surface wave discharge to excite plasma, to analyze basic characteristics of plasma antenna elements.
本文设计了一种实验方案，用高频表面波放电来激发等离子体，并分析了等离子体天线元的基本特性。
Owing to the decametric wavelength, the angular resolution of High Frequency Surface Wave OTH Radar (HF SWOTHR) is usually coarse especially when dimensions of antenna array are restricted.
由于工作在高频段，高频地波超视距雷达的角分辨力较差，尤其是当阵长受限时。
Luneberg lens antenna is a spherical layered medium lens antenna, and its main feature is its capability of focusing the incident wave to a point on the spherical surface.
龙伯透镜天线是一种球形的分层介质透镜天线，其主要特点是能够把入射波聚焦到球表面一点。
A surface acoustic wave sensor system for sensing torque includes the sensor package and leads wire bonded to the conductive vias for attaching the sensor package to an antenna.
用于感应扭矩的表面声波传感器封装件包含传感器封装件和引线，引线接合导电通孔以将传感器封装件附于天线。
In this paper, we introduce the cause of unstable tracking at low-elevation and analyze the fact that surface reflected wave entering antenna mainly causes multi-path effect.
文章分析了多路径效应下的雷达互扰方程，并与未考虑电磁波多路径影响的雷达互扰方程的结果做比较。
In this paper, we introduce the cause of unstable tracking at low-elevation and analyze the fact that surface reflected wave entering antenna mainly causes multi-path effect.
文章分析了多路径效应下的雷达互扰方程，并与未考虑电磁波多路径影响的雷达互扰方程的结果做比较。
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