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Asphalt concrete is a widely used paving material. Asphalt is employed as binders in the concrete while aggregate is employed as skeleton. Aggregates which can be divided into fine ones and course ones contribute the main strength of asphalt concrete. In order to ensure the strength of asphalt concrete, aggregates should be well dispersed in asphalt concrete. Therefore, evaluation of dispersion of...
In this paper, a novel miniaturized dual-mode ring bandpass filter is realized and studied. By using only one resonant-type left-handed unit with complementary split ring resonator to combine with a microstrip line, the ring configuration can provide two orthogonal zeroth-order resonance modes, and its occupied area can be reduced by about 82% compared with the conventional one. The filter has the...
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