Results 231 to 240 of about 4,345,353 (297)

Mm-VitnNet: a gated image-text interaction network for soybean salt tolerance recognition using chlorophyll fluorescence phenotypes. [PDF]

Front Plant Sci
Liang W, Zhang X, Luo Z, Li Q, Wang H, Feng Y, Zhao L, Lu Z, Yuan X, Zhou X, Huang L, Chen X, Yan Z, Gao S, Xue C.   +14 more
europepmc   +1 more source

Comparative Performance Assessment of Fiber Bragg Grating Sensors and PCB Accelerometers for Field-Based Dynamic Characterization of Stay Cables. [PDF]

Sensors (Basel)
Phuc DH, Mai LH, Toan PV, Truong LTN, Vu LV, Nhung NTC.   +5 more
europepmc   +1 more source

Dynamic tests and structural identification of the dowling hall footbridge [PDF]

Sensoli, Stefano
core  

mIT-CMCA: a cross-modal category alignment framework for robust maize disease identification. [PDF]

Sci Rep
Tang F, Porle RR, Yew HT, Wong F.
europepmc   +1 more source

Parameter calibration of finite element model of reinforced concrete arch bridge based on ISOA-RBF neural network. [PDF]

Sci Rep
Peng W, Zhang Z, Tian Z, Zhang J, Zeng G.   +4 more
europepmc   +1 more source

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Modal Parameter Identification of Controlled Structures

Journal of Guidance, Control, and Dynamics, 1997
A simple procedure to extract the modal parameters of the closed-loop structural system is proposed. It is formulated by using the extended Kalman filter (EKF) technique. The unknown parameters are eigenfrequencies, damping ratios, mode shapes, and modal masses.
Kasai, Tokio, Komatsu, Keiji, Sano, Masa
openaire   +2 more sources

Cable Modal Parameter Identification. II: Modal Tests

Journal of Engineering Mechanics, 2009
The cable dynamic stiffness describes the load – deformation behavior that reflects the cable intrinsic dynamic characteristics. It is defined as a ratio of response to excitation and represents a very similar frequency response property to the frequency response function (FRF). Therefore, by fitting both analytical cable dynamic stiffness and measured
Wei-Xin Ren, Wei-Hua Hu
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On the frequency mapping of modal parameters identification

Mechanical Systems and Signal Processing, 2007
Abstract With borrowing the complex orthogonal polynomial (OP), the numerical condition of the normal matrix of the rational fractional polynomial method is insensitive to frequency scaling. The other two concerns are, the first, transforming coefficients based on OPs into coefficients based on monomials, and the second, computing polynomials.
Kui-Fu Chen, Qun-Ying Jiao, Yan-Hua Shen
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Identification of modal parameters in vibrating structures

Journal of Sound and Vibration, 1988
Abstract A method is presented for the identification of the eigensolution associated with vibrating structures. The identification can be performed in the presence of periodic external excitations and noisy measurements. It is assumed that the mass properties of the structure are known, and that the stiffness properties are not known.
H. Baruh, H.P. Khatri
openaire   +1 more source