利用线性分析方法和相关分析方法，分析了濮阳近50年地面温度的变化倾向率及成因。
With the methods of linear analysis and correlation analysis, the tendency rate of the ground temperature for about 50 years in Puyang and the causes are analyzed.
最后以混合介质膜的总沉积速率为常数、折射率按照线性变化为例进行了说明。
In the end, a simple example was given, in which the total deposition rate was constant and the change law of refractive index was linearity.
在建立光纤陀螺漂移与温度的混合线性回归模型时，考虑温度变化率和温度梯度等因素的影响，对光纤陀螺零位漂移的温度补偿精度更高。
So the compensation accuracy of FOG drift can be improved by introducing the temperature rate and its grads when establishing the mix linear regression model.
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