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本文介绍了吸波材料在同轴线,波导测量系统中和自由空间系统中对电磁波反射率的几种测试方法。其中着重对空间样板移动法,较为详细的作了分析讨论,并用材料标准样板(180mm×180mm平板),在X波段8～12GHz频率范围内与功率反射法测量结果进行了比较。
This paper introduces several test methods for the reflectivity of electromagnetic wave in the coaxial line, waveguide measurement system and free space system. The emphasis is put on the analysis of the spatial pattern moving method. The material standard pattern (180mm × 180mm slab) is compared with the power reflection method in the X-band frequency range from 8 to 12GHz.