在分析其切削力显著性影响因素的基础上，对切削力随机信号进行了现代谱分析与小波分析。
Based on the analysis of cutting regimes' influences on milling force, the spectrum analysis and wavelet analysis are applied on the random cutting force signals.
在材料低周疲劳过程中，由检测的应变信号，利用现代谱分析技术处理，得到材料疲劳过程的塑性变形并进行实时跟踪。
The modern signal analysis is used to measure the plastic strain in low cycle fatigue in this paper.
传统的频谱分析仪功能单一、价格昂贵、使用不灵活，已不能满足现代测试信号的分析要求。
The analysis requirement that the traditional virtual spectrum analyzer which has unitary function and expensive price and has not flexible use can not already satisfy modern test signal.
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