本文基于棱镜折射原理，提出一种用来放大相控阵天线扫描角的无源透镜。
A passive lens based on the prismatic refraction principle proposed to amplify the scan Angle of a phased array.
本文所介绍的天线有别于一般的侦察雷达，是一种无源的接收目标雷达信号的天线接收系统。
The antenna introduced in this paper is different from the ordinary reconnaissance radar, which is a passive antenna receptive system receiving target radar signals.
本文的主要任务是针对提高毫米波无源成像系统的分辨率和减小成像时间而设计一个多波束透镜天线。
Main task of this dissertation is designing a multi-beam lens antenna to both improve the resolution and reduce the imaging time of the passive millimeter-wave imaging system.
RFID读写系统多采用无源近场耦合天线。
Passive near field coupling antenna is widely used in Radio Frequency Identification(RFID) system.
导电油墨印刷是无源rfid标签天线的重要制作方法，导电油墨的性能极其重要。
Conductive ink printing is an important manufacturing method for passive RFID antenna, and the performance of conductive ink is extremely important.
标签天线的辐射贴片、馈线和无源阻抗匹配网络是一个平面结构，加工时可以同时刻蚀，简化了工艺。
The radiation patch, feed line, and the impedance-matching network are a coplanar structure which can be etched simultaneously; this helps to simplify the manufacturing process.
高压输电线路对天线的干扰主要有两种，即有源干扰和无源干扰。
The interference of high-voltage transmission systems to antennas has two cases, one is active interference, the other is passive interference (reradiate affect).
这些卡可带有触点、磁条或嵌入式天线，但不包含任何其他有源或无源电路元件。
These CARDS may contain contacts, a magnetic stripe or an embedded antenna but do not contain any other active or passive circuit elements.
这些卡可带有触点、磁条或嵌入式天线，但不包含任何其他有源或无源电路元件。
These CARDS may contain contacts, a magnetic stripe or an embedded antenna but do not contain any other active or passive circuit elements.
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