对铜绿山矿采场冒顶的声发射特征和预报不准的原因进行了分析。
The sound emission characteristics and the causes for incorrect prediction of the stope roof fall at Tonglushan Mine were analysed.
本文通过视频信号与声频信号实验分析了燃气射流火焰的声发射特征。
Through the experimental analysis on the synchronous signal of audio and video of the premixed gas jet flame, the characteristic of the flame is studied.
谱的模式识别技术可用于强变化的背景压缩和提取化合物极为弱小的发射特征。
Spectral pattern recognition techniques are employed to suppress the strong and highly varying background to extract the very weak emission features from the compound spectra.
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