As a new signal analysis theory, HHT has gradually applied to seismic signal analysis, mechanical failure diagnosis, hydrodynamics, medical signal processing, voice signal processing, and so on.
HHT作为一种新的信号分析理论，已逐步应用到地震信号分析、机械故障诊断、流体力学、医学信号处理和语音信号处理等领域。
The cognitive level is raised by results of experiment and analysis for mechanical properties of casing connection, and the useful data are provided for the further research in theory.
实验和分析结论提高了全面认识套管接头力学性能的水平，而且对从理论上进一步深入研究提供了可靠的数据。
The principle and method of mechanical shock-proof design by circuit theory analysis were introduced based on the equipments 'shock-proof requirements.
根据设备的防振要求出发，阐述了一种用电路理论分析机械防振设计的原理和方法。
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