Thirdly, dual-mode filter miniaturization designs with LTCC (Low Temperature Co-fired Ceramic) multi-layer structure were studied in this thesis.
再次，本文研究了LTCC多层结构的小型化双模滤波器。
Besides, in the SMCW structure, the thickness of the guiding layer can be enlarged to submillimeter scale and can contain ultrahigh order guided modes with mode index of over 1000.
另外，对称金属包覆波导的导波层厚度还可以扩展至亚毫米甚至毫米量级，并因此能够容纳模序数上千的高阶导模。
Besides, in the SMCW structure, the thickness of the guiding layer can be enlarged to submillimeter scale and can contain ultrahigh order guided modes with mode index of over 1000.
另外，对称金属包覆波导的导波层厚度还可以扩展至亚毫米甚至毫米量级，并因此能够容纳模序数上千的高阶导模。
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