Besides, contact poling can provide poling size as large as the substrate size.
直接接触极化方式极化的面积能够达到基板的尺寸。
The results show that too high or too low dielectric constant of the substrate, too thick or too thin of the substrate size can affect the antenna performance obviously.
研究表明，基质介电常数过高或过低、基质尺寸过厚或过薄，都会使天线的性能显著下降。
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