nonlinear acoustic characteristic
...；非线性声学特征；调制频谱；疲劳裂纹[gap=1605]Key words: 2024 aluminum alloy; plates; nonlinear acoustic characteristic; modulation spectrum; fatigue cracks...
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nonlinear acoustic characteristic
非线性声学特性
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The characteristic of linear and nonlinear responses between arc excited ultrasonic emission and excited frequency was realized by the received signal from the acoustic to the ultrasonic spectrum.
对受激电弧的声发射信号分析表明，从音频到超声频带，电弧声发射与激励频率之间存在着线性响应和非线性响应特征。
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