After affirming the existence of non-Fourier effect, the hyperbolic equation suited for describing rapidity heat transfer process inside propellant is obtained.
通过分析研究点火瞬态过程中推进剂内部急速热传导存在的非傅立叶效应，推导得到具有双曲性质的固体推进剂瞬态热传导方程。
Fourier translation, as a traditional method of signal analysis and processing, has essential effect and bring far_-reaching impact on mathematics and engineering application.
傅立叶变换作为一种传统的信号分析和处理方法，已在数学和工程应用中发挥了重要的作用和产生了深远的影响。
The effect induced by the increment of refraction index and dispersion of glass in the wide bands FT(Fourier Translate) lens were introduced.
介绍了宽谱段傅里叶变换镜头中光学玻璃的折射率、色散变化对系统的成像质量的影响。
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