在TGS透射测量中，线性衰减系数值的图像重建问题是TGS的难点和核心问题。
The image reconstruction problem of linear attenuation coefficients is very difficult and central in transmission TGS.
结果表明：超声衰减系数与频率之间存在线性关系，而且其斜率随孔隙率的增大而增大。
The attenuation coefficient shows approximately linear behaviour with frequency over the frequency range used, and the attenuation slope increases with the void content.
最后，本文给出了衰减系数的仿真实现，仿真结果也表明了应用衰减系数的新型多级非线性并行干扰删除器性能改善的程度。
And simulation results show that to what extent the performance of the novel multistage non-linear PIC based on attenuation factors can be improved.
纵波的衰减系数在地震频带内基本上呈线性变化，而横波的衰减系数在地震频带内除低频外基本保持稳定。
The attenuation factor of longitudinal wave was changing linearly, whereas the attenuation factor of the slow shear wave kept nearly constant with a low frequency on the exploration seismic band.
瓦斯含量与煤层衰减系数呈对数相关，与品质因子呈线性相关。
The seam gas content was logarithmic related to the seam vibration wave attenuation parameter. The gas content was linearly related to the quality divisor.
瓦斯含量与煤层衰减系数呈对数相关，与品质因子呈线性相关。
The seam gas content was logarithmic related to the seam vibration wave attenuation parameter. The gas content was linearly related to the quality divisor.
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