1) Hilbert time-frequency spectrum
Hilbert时频谱
1.
Hilbert time-frequency spectrum entropy together with Hilbert spectrum gravity center to construct classification vector is demonstrated in detail.
论述了采用Hilbert时频谱熵与Hilbert时频谱重心构建识别向量,应用支持向量机进行设备状态识别的方法,并以滚动轴承的故障诊断为例证明方法的有效性分析。
2) Hilbert/Huang time-frequency spectrum
Hilbert/Huang时频谱
3) hilbert-Huang time-frequency spectrum
Hilbert-Huang时频谱
4) variance coefficients of instantaneous frequency of Hilbert spectra
Hilbert谱瞬时频率变异系数
1.
The non-stationary characteristic of frequency content of near-fault ground motions is remarkable,and the variance coefficients of instantaneous frequency of Hilbert spectra can reflect well the non-stationary property and degree of ground motions.
近断层地震动的频率非平稳特征显著,Hilbert谱瞬时频率变异系数良好地反映了地震动的频率非平稳性质和程度。
5) Hilbert Spectrum
Hilbert谱
1.
Hilbert spectrum and intrinsic oscillation mode of dynamic response of a bilinear SDOF system: influence of input harmonic frequency;
双线性单自由度体系强迫动力反应的Hilbert谱与本征振动模态:输入简谐波频率的影响
2.
Analysis and application of empirical mode decomposition and Hilbert spectrum;
经验模式分解与Hilbert谱的分析及应用
3.
By representing the intrinsic mode functions (IMF s) as time varying VARMA model, the time varying model parameters estimated with Kalman filter are used to calculate the instantaneous frequencies, according to which the Hilbert spectrum is yielded and the envelope is derived from the .
指出了Hilbert-Huang变换方法中进行Hilbert谱分析时应引起重视的两方面限定。
6) frequency spectrun aging
频谱时效
补充资料：[3-(aminosulfonyl)-4-chloro-N-(2.3-dihydro-2-methyl-1H-indol-1-yl)benzamide]
分子式：C16H16ClN3O3S
分子量：365.5
CAS号：26807-65-8
性质：暂无
制备方法：暂无
用途：用于轻、中度原发性高血压。
分子量：365.5
CAS号：26807-65-8
性质：暂无
制备方法：暂无
用途：用于轻、中度原发性高血压。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条