In this paper several dynamic testing methods of electrohydraulic servo systems are introduced, including stochastic noise test, hammering test and sweep frequency test.
本文介绍电液伺服系统的几种动态测试方法，包括随机噪声测试，锤击法测试和扫频测试。
Making a comparison between the typical standard of moped running noise testing methods and regulations (in the field of the operation requirements).
对轻便摩托车行驶噪声测量方法的典型标准和法规(在操作要求方面)做出比较。
Signal processing methods used in ultrasonic testing are reviewed, which cover noise suppressing, QNDE and optimization of driving signal.
文章综合报道了信号处理在超声检测的抑噪、缺陷的定性定量分析及优化驱动信号的几方面应用。
Testing and analyzing the noise source of idle run and cutting, noise frequency characters and all kinds of methods for noise reduction for the surface planer were carried out.
试验和分析木工平刨床空转和切削时的噪声源、噪声频率特性和各种降噪方法。
Testing and analyzing the noise source of idle run and cutting, noise frequency characters and all kinds of methods for noise reduction for the surface planer were carried out.
试验和分析木工平刨床空转和切削时的噪声源、噪声频率特性和各种降噪方法。
应用推荐