大众科技
大衆科技
대음과기
DAZHONG KEJI
2013年
5期
1-4
,共4页
亚毫米波%频率选择表面(FSS)%圆极化器
亞毫米波%頻率選擇錶麵(FSS)%圓極化器
아호미파%빈솔선택표면(FSS)%원겁화기
Sub-millimeter wave%frequency selective surface (FSS)%circular polarization
对一种亚毫米波频段的,缝隙型嵌套开口谐振环式频率选择表面(FSS)的极化转换特性进行了研究.通过仿真方法比较了开口环的缝隙长度、宽度、单元间距等参数的改变对谐振频率的影响,进而影响了频率选择表面的极化转换特性.通过优化,确定了频率选择表面的结构参数,得到了工作中心频率在427GHz,最大相位差为81.3度,低于3dB的轴比带宽为31.3%的频率选择表面圆极化器.
對一種亞毫米波頻段的,縫隙型嵌套開口諧振環式頻率選擇錶麵(FSS)的極化轉換特性進行瞭研究.通過倣真方法比較瞭開口環的縫隙長度、寬度、單元間距等參數的改變對諧振頻率的影響,進而影響瞭頻率選擇錶麵的極化轉換特性.通過優化,確定瞭頻率選擇錶麵的結構參數,得到瞭工作中心頻率在427GHz,最大相位差為81.3度,低于3dB的軸比帶寬為31.3%的頻率選擇錶麵圓極化器.
대일충아호미파빈단적,봉극형감투개구해진배식빈솔선택표면(FSS)적겁화전환특성진행료연구.통과방진방법비교료개구배적봉극장도、관도、단원간거등삼수적개변대해진빈솔적영향,진이영향료빈솔선택표면적겁화전환특성.통과우화,학정료빈솔선택표면적결구삼수,득도료공작중심빈솔재427GHz,최대상위차위81.3도,저우3dB적축비대관위31.3%적빈솔선택표면원겁화기.
@@@@c Polarization conversion characteristics of a submillimeter wave frequency selective surface (FSS) based slot split-ring resonator has been studied, Compared with the impact of resonant frequency by change of the length, width, and unit spacing of the split-ring resonator on Simulation method. Thereby affecting the polarization conversion characteristics of the frequency selective surface . Determined the structure parameters of the frequency selective surface by optimizing. The frequency selective surface circular polarization has been presented which the center frequency on 427GHz, the maximum phase difference on 81.3 degree and the axis bandwidth less than 3dB is 31.3% .
