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针对磁性材料向低损耗和高工作频率方向发展，为满足大尺寸磁性器件损耗及其它磁特征参数测量的要求，我们自行研制了一种新型软磁动态磁性测量装置──衰减振荡瞬态分析法装置。它具有测量频率范围宽、功率大、自动化程度高、提供参数全等优点。可以测质量超过２０ｋｇ的样品；频率范围从１ｋＨｚ到２０００ｋＨｚ。该装置已通过冶金部成果鉴定，被评为国际首创。本文对它的设计思想、功能实现、使用特点及合理性进行了较为详细的说明，最后给出了测量实例和误差分析。
In order to meet the requirement of low magnetic loss and high working frequency, we have developed a new type of soft magnetic dynamic magnetic measuring device to meet the requirement of large size magnetic device loss and other magnetic characteristic parameters measurement. - Attenuation Oscillatory Transient Analysis Device. It has a wide range of measurement frequency, power, high degree of automation, to provide the parameters of the advantages. Samples that can measure more than 20kg; frequency range from 1kHz to 2000kHz. The device has passed the Ministry of Metallurgical Achievement appraisal, was named the international initiative. This paper gives a detailed description of its design idea, function implementation, usage characteristics and rationality. Finally, the measurement examples and error analysis are given.