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辐照不均匀性是太阳模拟器的一项主要技术指标。首先通过对国内外辐照不均匀性测量装置进行了充分的调研,决定采用“快门法”设计完成了辐照不均匀性的测量装置。接着通过试验证明了晴空无遮挡的太阳光可以作为该装置的标准光源并进行了该装置的标定。然后,利用该装置对自然光源进行了测试,结果与利用标准表测试一致。最后,利用该装置对脉冲式太阳模拟器的辐照不均匀性进行了现场测试。
Irradiance inhomogeneity is a major technical indicator of solar simulators. First of all, through the investigation of the nonuniformity of radiation at home and abroad to conduct a full investigation, decided to adopt the “shutter method” designed to complete the radiation unevenness of the measuring device. Then the experiment proved that the unoccluded sunlight can be used as the standard light source of the device and the calibration of the device was carried out. Then, the device was used to test the natural light source. The result was consistent with the standard test. Finally, the device was used to test the inhomogeneity of pulsed solar simulator.