Anmin Wang

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a nonuniform sampling digital signal processing method based on wavelet transform and its application in the frequency detection studied in this paper. The fundamental principle of nonuniform sampling wavelet transform is explored, and the processing procedure is illustrated from the uniform wavelet to nonuniform wavelet. The experimental results(More)
A method for nonuniform sampling based on amplitude of signals is proposed. It combines sampling rate with amplitude of signals. It make the most of some special samples that it helps to process signal so it is very effective to suppress noise. A sampled threshold should be computed and selected automatically in this algorithm. The mean and maximum(More)
The theory of nonuniformly sampling can process signals with components whose frequencies exceed the Nyquist limit. The disadvantage of nonuniformly sampling exist the noise in spectrum analysis. A novel periodically nonuniform sampling method is proposed in this paper. This method is very effective to suppress noise of spectrum by adopting the periodically(More)
We have systematically investigated the Ruderman-Kittel-Kasuya-Yosida (RKKY) interaction between two magnetic impurities in Weyl semimetals with arbitrary monopole charge Q. We find that the RKKY interaction becomes intrinsically anisotropic for [Formula: see text], and its dependence on Fermi energy and impurity separation is directly controlled by the(More)
Many biomaterials are being used to repair damaged articular cartilage. In particular, poly vinyl alcohol hydrogel has similar mechanical properties to natural cartilage under compressive and shearing loading. Here, three-factor and two-level friction experiments and long-term tests were conducted to better evaluate its tribological properties. The friction(More)
A nonuniform compressive sampling digital signal processing method and its application in the frequency detection studied in this paper. The fundamental principle of nonuniform compressive sampling is explored, the nonuniform compressive sampling has being able to suppress the aliasing. The experiences demonstrated this method can detect the signal(More)
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