热膜式空气质量流量传感器存在动态非线性问题，必须建立动态非线性模型。
The non-linear dynamic model of the hot film MAF sensor must be built because the sensor possesses the nonlinear dynamic characteristics.
建模结果表明，动态非线性模型比线性模型更为准确地描述了热膜(线)式空气质量流量传感器的动态特性。
The modeling results show that the nonlinear dynamic models are more accurate than the linear dynamic models to describe the sensor characteristics.
本论文主要研究空燃比控制中的两种关键传感器：热膜式空气质量流量传感器和宽带型废气氧传感器的动态性能。
Two kinds of key sensors, hot-film mass air flow (MAF) sensor and universal exhaust oxygen gas sensor, for the AFR control are fully studied in this paper.
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