英语语法分析

Then, using transfer matrix theory get the spectrum's simulation results of apodization grating.

建立了光纤光栅测温模型，并利用实验对该模型进行了相应验证。

Therefore, the application of the apodization IDT and the metal reflector are two important factors to improve the Q value of the SAW mass sensor.

因此，变迹idt和金属反射栅的应用是SAW质量传感器Q值的改善的两个重要因素。

The chirp and apodization characteristics of long-period grating (LPG) are analyzed, and the theoretic foundation of adjustable gain flattening filter based on LPG is provided.

分析了长周期光纤光栅(LPG)的啁啾特性和切趾特性，给出了基于LPG的增益平坦滤波器可调的理论依据。