修改了现行教学用网络数据处理系统中的幅频特性描述和求解阻尼系数的方法，采用非线性拟合，不仅能直观描述蜗卷弹簧性能的差异，同时可以从拟合曲线中方便地求解实验的阻尼系数。这是一种实时的数据处理方式，研究结果可成为仪器生产单位数据处理软件的开发方案，为实验室教师机上显示各组仪器的特性曲线和求解阻尼系数提供了一种更直接的方式。%Based on the data processing system used in teaching,we modify the existing method for the de-scription of amplitude-frequency characteristics and the solution of the damping coefficient. We employ a non-linear fitting technique,which not only makes a visual display of the differences between scroll spring perform-ances,but also provides an easy way to solve the experimental damping coefficient via fitting curves. This is a kind of real-time data processing,and its mechanism can be applied to the development of data processing soft-ware for instrument manufacturers. Thus a more direct way of demonstrating the characteristic curves and sol-ving the damping coefficient problem on a teacher machine is available.
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