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For fast scattering analysis of multiple objects, the compressive sensing (CS) theory is introduced into method of moments (MOM). With the application of biorthogonal lifting wavelet transform(BLWT), an undetermined linear equation model is constructed by extracting the only several important rows of sparse impedance matrix in wavelet domain, then the unknown induced current is reconstructed by orthogonal...
This paper presents a dynamic efficiency tracking control strategy for reconfigurable four-coil wireless power transfer (R-WPT) system. The proposed R-WPT system includes an array of drive loops, a transmitter (Tx coil), a receiver (Rx coil), an array of load loops, two relay switch arrays, a rectifier and a control unit. By sensing voltage and/or current from the power source and the load, Tx and...
For the vibration of the aero pipeline and the conveying pipeline exists universally and the vibration has effects on the pipeline life, the detection accuracy and the system stability, the research on the natural characteristic of the pipeline vibration has promising prospects. In this paper, the vibration mathematical model is built with the simple and practical Rayleigh-Ritz energy method to calculate...
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