1) 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。
2) 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。
3) instantaneous frequency spectrum
瞬时频率谱
4) Hilbert/Huang time-frequency spectrum
Hilbert/Huang时频谱
5) hilbert-Huang time-frequency spectrum
Hilbert-Huang时频谱
6) Coefficient of variation of FrequeL
频率变异系数
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