随着各类应用中非金属材料的使用日益增多，对非金属材料的检测也愈发重要。检测这类非金属材料的一种方法是采用 1GHz 至 100 GHz……的电磁辐射
Inspection of non-metallic materials is becoming more important as more and more non-metallic materials are used in various applications. One method for inspecting this non-metallic material is by electromagnetic radiation in the 1GHz to 100 GHz...