The principles and structures of Hydro-viscous Drive( HVD ) set were introduced.

介绍了液体粘性软启动装置的基本工作原理和结构。

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The system composition and working principle of hydro-viscous driver (HVD) control system are presented briefly in this paper.

本文简要介绍了液体粘性调速离合器控制系统组成及其工作原理。

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An improved Hilbert vibration decomposition (HVD) method was introduced to the non-integer harmonic analysis in electrical power system.

针对现有电力系统非整数次谐波分析法的不足，提出了一种改进的希尔伯特振动分解(HVD)方法。

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The proposed HVD method was based on the Hilbert transform(HT), just as Hilbert-Huang transform(HHT), but did not involve complicated empirical mode decomposition(EMD).

虽然HVD方法和希尔伯特黄变换（HHT）方法这两者均以希尔伯特变换为基础，但HVD方法避免了复杂的经验模式分解（EMD）过程。

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The proposed HVD method was based on the Hilbert transform(HT), just as Hilbert-Huang transform(HHT), but did not involve complicated empirical mode decomposition(EMD).

虽然HVD方法和希尔伯特黄变换（HHT）方法这两者均以希尔伯特变换为基础，但HVD方法避免了复杂的经验模式分解（EMD）过程。

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