نتایج جستجو برای: random loading

تعداد نتایج: 359284  

1999
Kennichi OKADA Hidetoshi ONODERA Keikichi TAMARU

Layout has strong influence on matching properties of a circuit. Current matching models, which characterize both local random non-uniformities and global systematic non-uniformities stochastically, are not adequate for the matching analysis taking the effect of layout realization into account. In order to consider topological information of layout into matching analysis, we propose a matching ...

Journal: :Journal of the Society of Naval Architects of Japan 1988

Journal: :Journal of the Society of Materials Science, Japan 1995

Journal: :Buildings 2023

Overall, this paper provides a comprehensive approach for designing structures subject to rhythmic crowd loading. By considering the randomness of load model and structural response, design method more realistic evaluation structure’s performance. The establishment links between deterministic individual loading random simplifies calculation process makes it practical real-world applications. us...

Journal: :Journal of the Society of Naval Architects of Japan 1984

2006
Thomas L. Marzetta Steven H. Simon Haobo Ren

The Capon-MVDR (Minimum Variance Distortionless Response) method of frequency-wavenumber spectral estimation requires an invertible spatial covariance estimate. Increasingly, however, one must deal with a singular covariance matrix. The ubiquity of inexpensive sensors implies that the dimension of the covariance matrix is ever-increasing, but coherence times have not changed, so the number of v...

Journal: :The Journal of the Acoustical Society of America 2001
M F Insana T J Hall P Chaturvedi C Kargel

Acoustic properties of two types of soft tissue-like media were measured as a function of compressive strain. Samples were subjected to uniaxial strains up to 40% along the axis of the transducer beam. Measurements were analyzed to test a common assumption made when using pulse-echo waveforms to track motion in soft tissues--that local properties of wave propagation and scattering are invariant...

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