Výsledky vyhledávání - "Complex―valued algorithm"

Complex Lattice Reduction Algorithm for Low-Complexity Full-Diversity MIMO Detection Autor Ying Hung Gan, Ying Hung Gan, Cong Ling, Cong Ling, Wai Ho Mow, Wai Ho Mow

“…Recently, lattice-reduction-aided detectors have been proposed for multiinput multioutput (MIMO) systems to achieve performance with full diversity like the…”
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Second order impropriety based complex-valued algorithm for frequency-domain blind separation of convolutive speech mixtures Autor Fengyu Cong, Qiu-Hua Lin, Peng Jia, Xizhi Shi, Ristaniemi, T.

“…The performance of the complex-valued blind source separation (BSS) is studied in the frequency domain approach to separate convolutive speech mixtures. In…”
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Two Fast Complex-Valued Algorithms for Solving Complex Quadratic Programming Problems Autor Zhang, Songchuan, Xia, Youshen

“…In this paper, we propose two fast complex-valued optimization algorithms for solving complex quadratic programming problems: 1) with linear equality…”
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A novel diagnosis system for Parkinson’s disease using complex-valued artificial neural network with k-means clustering feature weighting method Autor Gürüler, Hüseyin

“…Parkinson’s disease (PD) is a degenerative, central nervous system disorder. The diagnosis of PD is difficult, as there is no standard diagnostic test and a…”
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Complex Minkowski Reduction and a Relaxation for Near-Optimal MIMO Linear Equalization Autor Ding, Liqin, Wang, Yang, Zhang, Jiliang

“…First, this letter presents a Minkowski reduction algorithm working directly on complex lattices. Then, a relaxation is proposed to Minkowski criterion by…”
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Blind Separation of Excavator Noise Signals in Frequency Domain Autor Hu, Zhong Lin, Liao, Li Da, He, Qing Hua

“…In order to identify noise sources of an excavator in non-library environment, a complex-valued algorithm in frequency domain was applied…”
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Multi-beam constant modulus adaptive arrays in real-valued arithmetic Autor Djigan, Victor I.

“… It uses real-valued arithmetic and has less computational complexity comparing with the same complex-valued algorithm…”
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Gram-Schmidt forward-backward generalized sidelobe canceller Autor Huarng, Keh-Chiarng, Yeh, Chien-Chung

“… Then, by imposing the conjugate symmetry constraints, the backward data processing can be removed without any loss and the complex-valued algorithm can be further transformed into an equivalent real…”
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Shift-Invariant Canonical Polyadic Decomposition of Complex-Valued Multi-Subject fMRI Data With a Phase Sparsity Constraint Autor Kuang, Li-Dan, Lin, Qiu-Hua, Gong, Xiao-Feng, Cong, Fengyu, Wang, Yu-Ping, Calhoun, Vince D.

“…Canonical polyadic decomposition (CPD) of multi-subject complex-valued fMRI data can be used to provide spatially and temporally shared components among groups…”
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Optimization in Quaternion Dynamic Systems: Gradient, Hessian, and Learning Algorithms Autor Dongpo Xu, Yili Xia, Mandic, Danilo P.

“…The optimization of real scalar functions of quaternion variables, such as the mean square error or array output power, underpins many practical applications…”
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A Quaternionic Extension Algorithm of the Nonlinear Transformation for Active Impulsive Noise Control Autor Zhang, Bingyan, Chen, Xiaomei, Zhong, Bo

“… The quaternion algorithms have better geometric properties than the real-valued and complex-valued algorithms…”
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Online censoring based complex-valued adaptive filters Autor Mengüç, Engin Cemal, Xiang, Min, Mandic, Danilo P.

“…•Complex-valued adaptive filtering algorithms are proposed to reduce the cost of data processing in the complex domain.•The proposed algorithms are achieved by…”
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Frequency domain quaternion adaptive filters: Algorithms and convergence performance Autor Ortolani, Francesca, Comminiello, Danilo, Scarpiniti, Michele, Uncini, Aurelio

“…Recently, adaptive filtering was extended to quaternion-valued systems. Quaternion-valued algorithms exhibit improved geometrical properties compared with real- and complex-valued algorithms…”
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Widely Linear Complex-Valued Least Mean M-Estimate Algorithms: Design and Performance Analysis Autor Li, Lei, Pu, Yi-Fei

“…To utilize the full second-order statistical information of the complex-valued signal, a widely linear complex-valued LMM (WL-CLMM) algorithm is proposed by…”
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Efficient Nonlinear Activation Function in Optical Neural Network Autor Zhang, H., Wan, L. X., Gu, M., Jiang, X. D., Thompson, J., Cai, H., Paesani, S., Santagati, R., Laing, A., Lo, G. Q., Kwong, D. L., Kwek, L. C., Liu, A. Q.

“…An efficient nonlinear activation function for optical neural network is proposed and demonstrated by executing complex-valued algorithms and intensity measurement…”
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Stability analysis of complex maximum likelihood ica using Wirtinger calculus Autor Hualiang Li, Adali, T.

“… Wirtinger calculus is shown to provide an attractive framework for the derivation and analysis of complex-valued algorithms using nonlinear functions, and hence of ICA algorithms as well…”
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A Practical Formulation for Computation of Complex Gradients and its Application to Maximum Likelihood ICA Autor Adali, Tulay, Li, Hualiang

“… The framework, based on an elegant result due to Brandwood, allows for easy derivation of many complex-valued algorithms and their efficient analyses…”
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Odd symmetry of weights vector in linearly-constrained adaptive arrays with desired signal Autor Djigan, V. I.

“…The paper discusses the conditions of an odd symmetry in linearly-constrained least squares criterion adaptive array. It is shown, that the vectors, which…”
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Quaternion Gradient and Hessian Autor Xu, Dongpo, Mandic, Danilo P

“…The optimization of real scalar functions of quaternion variables, such as the mean square error or array output power, underpins many practical applications…”
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Quaternion valued adaptive signal processing Autor Jahanchahi, Cyrus

“…Recent developments in sensor technology, human centered computing and robotics have brought to light new classes of multidimensional data which are naturally…”
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