提出了一种测量天线罩介质损耗的方法 ,对其工作原理、测试程序及测量误差作了论述和分析。本方法适用于高性能天线罩介质损耗的精确测量 ,可以为天线罩的研制提供有效的判据。应用本方法对某夹层型雷达天线罩的材料和制作工艺进行了优化 ,实验结果良好 A method to measure the dielectric loss of the radome is put forward. The working principle, test procedure and measurement error are discussed and analyzed. The method is suitable for accurately measuring the dielectric loss of a high-performance radome, and can provide effective criteria for the research of a radome. This method is used to optimize the material and fabrication process of a mezzanine-type radar radome. The experimental results are good