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本文叙述一种45°线极化波的降雨衰减与去极化联合测试系统,并导出了较为简便的去极化分辨率XPD_(45)的计算公式以及XPD_(45)与垂直去极化分辨率XPD_V和水平去极化分辨率XPD_H的关系。在L=2.2KM,f=35.3GHz条件下做了计算,并与测试结果作了比较,二者有较好的吻合,证明本文所述计算公式及所采用的测试系统是可行的。
In this paper, a joint rain attenuation and depolarization test system for 45 ° linearly polarized waves is described, and a simple and easy calculation formula of XPD_ (45) for depolarization resolution and the relationship between XPD_ (45) and vertical depolarization resolution The relationship between XPD_V and horizontal depolarization resolution XPD_H. Calculated under L = 2.2KM, f = 35.3GHz, and compared with the test results, the two are in good agreement, which proves that the calculation formula and the test system are feasible.