Abstract: In this paper, a 4 × 4 wideband linearly polarization (LP) antenna array is proposed by using planar dual-arm spiral structures. Wideband balun structures, composed of microstrip line-fed ...
Stratasys is expanding distribution of its radiopaque 3D printing material RadioMatrix to the entire US market. Following a phase of limited pilot installations, the material has been available ...
Whether it’s current national or international events, job-related stress, worries about our families, chronic health issues, personal relationships or a financial crisis, we don’t have to look far to ...
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