High power radial line helical array antenna is a new antenna which realizes the directional radiation of high-power microwave.
从理论、模拟和实验等角度详细研究了高功率径向线螺旋阵列天线。
By introducing the project of in-door covering and out-door directional radiation, the problem of the signal footprint and traffic covering in tall building is solved.
本文结合实际的室内分布系统，采用室内分布系统和室外定向覆盖方案，解决了高层楼宇的信号和话务覆盖问题。
The invention relates to a zero-order resonance antenna on the basis of left-right hand composite transmission wire, which can realize all-directional radiation under a low-profile structure.
本发明涉及一种基于左右手复合传输线的零阶谐振天线，可在低剖面结构下实现全向辐 射。
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。
The energy shot by the source in the laboratory of seismic-physical model has significant directional difference, called source radiation effect of physical model.
地震物理模型实验室中采集所用震源激发的能量具有明显的方向差异性，这一特性称为物理模型的震源辐射效应。
The treatment of in stent restenosis includes balloon dilation, directional atherectomy, rotational atherectomy, cutting balloon, additional stent and radiation therapy.
安放支架后再狭窄的治疗可应用球囊扩张、旋切术、旋磨术、切割球囊、再次安放支架和放射治疗。
Radiation Angle and central deviation is important parameters of an X-ray directional flaw detector.
辐射角及中心偏移，是定向X射线探伤仪的重要技术指标。
A handheld pointer device provides radiation with a directional characteristic relative to its main axis.
一种手持式指向设备，提供相对于其主轴具有方向特征的辐射。
A handheld pointer device provides radiation with a directional characteristic relative to its main axis.
一种手持式指向设备，提供相对于其主轴具有方向特征的辐射。
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