【摘要】 后处理是电声测量系统中获取测量数据过程中的一项重要计算步骤,主要应用于对测量得到的各类数据曲线(如频响曲线、阻抗曲线等)或测量单值(如F0、灵敏度等)进行用户所需的操作,如算术运算,交点搜索及平滑处理等。针对测量得到的曲线有时2个或多个频段使用不同的方法以及品管曲线总是短于测量得到的曲线的问题提出了加窗的方法。通过电声测量系统测试序列步骤得到需要分析的数据,经过加窗对实验数据进行处理,通过分析与仿真验证了所提方法的有效性,得到加窗后曲线能够更加有利于质量管理的结果,能够满足电声测量系统中快速处理有用数据的要求。更多还原

【Abstract】 Post-processing is an important step in the process of getting metrical data in the electro-acoustic measurement system,which is mainly used for various operations to the collected curve(frequency response curve &impedance curve etc.)or the single points(F0 & sensitivity etc.)for the need of the users,such as arithmetic operation,intersection point search and smoothing process etc.Based on sometimes measured curves obtained by different methods in two or more bands and quality control curve is always shorter than the measured curve,windowing processing is proposed in this paper.The data to be analyzed is obtained by electro-acoustic measurement system test sequence step,and the resulting data is processed by windowing.The proposed method has been verified through analysis and simulation,getting the result that the windowed curve makes for the requirements of the quality management,which can satisfy the requirement of data processing rapidly in the electro-acoustic measurement system.更多还原