A uniplanar capacitive sensor, with 8-electrode on one plane substrate, is designed to detect the subsurface anomalies or damage of non-metallic materials.
针对非金属材料表面下异常或损伤的检测，提出一个同面8电极电容传感器。
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To diminish the influence of the eddy currents, the design method of self-shielded gradient coils is studied and the self-shielded uniplanar gradient coils are designed in this paper.