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中文摘要：
全矢谱技术能够有效的融合同源双通道的信息,融合后的信息无论从结构上还是能量上都能够真实的反映转子的实际运行状态。针对Wigner高阶谱只能处理单通道信息这一缺点,将全矢谱技术与Wigner高阶谱相结合,提出矢Wigner高阶谱分析方法,给出了其定义与算法,并将其应用到齿轮故障诊断中。仿真研究及实例验证结果表明,矢Wigner高阶谱能够克服基于单通道信息的Wigner高阶谱的片面性,并且该分析方法同时具备两者的优点,为齿轮故障诊断提供更可靠的依据。
英文摘要：
The vector spectrum technology could effectively integrate homologous information with two channel,which merged information will accurately reflect the actual state of the rotor both in structure and energy.Aiming at the disadvantage of Wigner higher-order spectrum in handling single-channel information,the vector Wigner higher-order spectrum is proposed by combining full vector spectrum technology with Wigner higher-order spectrum.Then the definition and algorithm is provided and is applied to gear fault diagnosis.The results show that,the vector Wigner higher-order spectrum has the advantages over vector spectrum and Wigner higher-order spectrum,which overcome the sidedness of the Wigner higher-order spectrum with single channel,so it would provide a more reliable basis for the gear fault diagnosis.
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