LTCC以高耐温性、高热传导率、高耐湿性、低介质损耗、优良的高频高q特性等特点，非常适于作为小型化天线的材料。
LTCC is very suitable to be used in miniature antenna due to its high performance in microwave such as low medium loss, high Q, etc.
图5是用于多波段天线系统的示例性回波损耗绘图。
FIG. 5 is an exemplary return-loss plot for the multi-band antenna system.
空气板线馈电网络具有损耗小、耐功率高、幅相控制容易等特点而广泛应用于平面阵列天线中。
The air stripline feeding network is featured with low loss, high power capacitance, and it is easy to control its amplitude and phase.
在超低噪声系统中，天线欧姆损耗噪声也是很重要的。
Noise due to antenna ohmic loss is important in ultralow noise system.
阵列天线辐射单元采用空气介质的微带贴片天线，辐射效率高；阵列天线的馈线网络采用低损耗的空气带状线形式，降低了馈线损耗。
The radiating element of array antenna is air dielectric microstrip patch antenna, which has high efficiency, and the feed network is low loss air strip, which can reduce the loss of the feed line.
故障定位或DTF模式指示驻波比或回波损耗水平在各点沿电缆长度和天线系统。
Fault location or DTF mode indicates VSWR or Return Loss levels at each point along the cable and antenna system length.
本文利用电磁波在金属表面的反射系数，推导出反射面天线表面欧姆损耗效率的计算公式。
Ohmic loss efficiencies of different high reflectivity reflector antenna metal surface are calculated at frequencies 30~300GHz.
对微带线损耗分析的基础上，提出了一种计算微带阵列天线整体馈线损耗的方法。
A method of calculating the overall losses of MM-wave microstrip array antenna has been put forward based on the analysis of microstrip feedline loss.
结果表明基于基底打孔型方形孔EBG结构的贴片天线的性能最佳，其增益、带宽和输入回波损耗都得到了较大的改善。
Results show that different EBG structures have different effects on the patch antenna. The performance such as gain, bandwidth and return loss of the conventiona…
介绍了一种测量低损耗天线罩材料的开腔高温自动测量系统。
A high temperature open resonator measuring system for low loss radome materials is introduced.
结果表明该天线阵拥有良好的辐射性能，具有低损耗，轻便，易于平面集成的特点。
The proposed antenna keeps good radiation performance and has advantages of low cost, light weight, easy fabrication and easy integration with planar circuit.
空气板线馈电网络由于具有损耗小、耐功率高、幅相控制容易等特点而广泛应用于平面阵列天线中。
The air stripline feeding network is featured with low loss, high power capacitance, and it is easy to control its amplitude and phase.
本文提出了大型整体天线罩小损耗测量的一种新方法，详细讨论了其测量原理和方法程序。
A new method of a large antenna radome low-loss measurement is put forward in this article. The measurement principle and measurement procedure are discussed in detail.
本方法适用于高性能天线罩介质损耗的精确测量，可以为天线罩的研制提供有效的判据。
It may provide an effective criterion for antenna radome research. The material and the manufacture technology of some sandwiched radar radome were optimized by means of this method. The test res...
天线的设计过程中采用了串馈阵、移相器的等损耗等设计概念。
Some new concepts are used such as series-feed and equal-loss during this design.
天线的设计过程中采用了串馈阵、移相器的等损耗等设计概念。
Some new concepts are used such as series-feed and equal-loss during this design.
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