钻头钻进不同介质时的振动信号特征识别研究
An identification method of vibration signal features when bit drills different mediums
振动信号 / 钻进岩性 / 特征识别 / PCA降维 / 神经网络 {{custom_keyword}} /
vibration signals / drilling lithology / feature recognition / PCA dimensionality reduction / BP neural network {{custom_keyword}} /
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