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etching hole中文是什么意思

  • 蚀刻孔

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  • A patch antenna with etched holes on the ground plane is also studied . the performance of the antenna at the resonant frequency is analyzed by using the fdtd method together with the pml boundary treatment . the results show that the surface waves are suppressed greatly , the bandwidth is improved and a 1 odb reduction on the sidelobe level is achieved at the 110 and 260 directions in the e plane
    全面地研究了地面腐蚀周期圆孔结构的电磁晶体贴片天线在基波频率处的性能,用fdtd方法并结合pml边界处理技术对该天线所取得的研究结果显示,本文设计的地面腐蚀型电磁晶体结构抑制了贴片天线中的表面波,增加了天线的带宽,并有效地削弱了旁瓣,使天线的e面方向图上110和260方向的两个旁瓣被削弱了10db 。
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Last modified time:Thu, 14 Aug 2025 00:29:56 GMT

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