Terahertz radar provides a non-destructive fault detection method for non-destructive testing of composite materials. This testing can be conducted for test samples made of non-metallic dielectric materials such as aviation foam, ceramic base, glass base, resin base, rubber, ceramics, plastics, polymers, and other advanced composite materials, usually with complex internal structures such as layering, honeycomb, three-dimensional weaving, etc. Through the systematic testing of the transmission and reflection characteristics of the material, three-dimensional tomography of the internal topography with excellent performance indicators can be achieved.

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