peak frequency deviation

Uniformity coefficient and the largest deviation were introduced to evaluate the accuracy and uniformity of temperature.

根据HRP-Ⅳ型快速成形机建立了管式加热辐射系统数学模型,模拟加热管安装位置,计算工作区内各点角系数,并引入均匀度系数和最大偏差率两个指标来评价温度场均匀性和测温精度,同时对模拟状态进行实验分析。