This paper first presents an experimental procedure to analyze wall surface heat transfer process and derive wall surface heat transfer coefficient by frequency spectral analysis method.
首次提出了用频率谱分析法分析墙体表面换热过程及推导墙体表面换热系数的实验方法。
Therefore, the orthogonal vector techniques can be applied to the LPEF coefficient matrix space for spectral estimation.
在系数阵空间同样存在正交矢量谱估计方法。
The rock acoustic parameters in this paper include wave amplitude, spectral amplitude, spectral area, spectral density, wave velocity and attenuation coefficient etc.
这些岩石声学参数为波幅、谱幅、谱面积、谱密度、波速度、衰减系数等。
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