Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Zhi-Chao Sha"'
Publikováno v:
Tongxin xuebao, Vol 34, Pp 107-112 (2013)
To overcome the common shortcomings shared by the existing methods: weak suppression noise interference and feeble performance of time-frequency concentration,a novel time-frequency analysis method based on sparse repre-sentation was developed,which
Externí odkaz:
https://doaj.org/article/25ff784b17334b0db5044a4748862fda
Publikováno v:
International Journal of Antennas and Propagation, Vol 2013 (2013)
This paper addresses the problem of direction-of-arrival (DOA) estimation of coherent signals in the presence of unknown mutual coupling, and an autoregression (AR) model-based method is proposed. The effects of mutual coupling can be eliminated by t
Externí odkaz:
https://doaj.org/article/c6584028a3e04143bb75b0635e73984f
Publikováno v:
Applied Intelligence. 51:326-340
Conditional mutual information (CMI) maximization is a promising criterion for feature selection in a computationally efficient stepwise way, but it is hard to be applied comprehensively because of imprecise probability calculation and heavy computat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d1b08a133d8515e4e9d3d594d875efcf
https://doi.org/10.1007/s10489-020-01822-0
https://doi.org/10.1007/s10489-020-01822-0
Publikováno v:
Wireless Personal Communications. 82:1047-1057
A transient detection method based on permutation entropy (PE) and generalized likelihood ratio test (GLRT) detector is proposed. PE can measure the complexity of the time series, and the PE values of noise and signals are different. A GLRT detector
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ca3781fa7fbe94038a71c98645722212
https://doi.org/10.1007/s11277-014-2265-2
https://doi.org/10.1007/s11277-014-2265-2
A Frequency Tracking Method for Multiple Frequency-hopping Signals Based on Sparse Bayesian Learning
Publikováno v:
Journal of Electronics & Information Technology. 35:1395-1399
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf281746644dd80c95693180a6e2b45f
https://doi.org/10.3724/sp.j.1146.2012.01493
https://doi.org/10.3724/sp.j.1146.2012.01493
Publikováno v:
Signal, Image and Video Processing. 8:543-548
A novel approach for direction-of-arrival (DOA) estimation of uncorrelated and coherent signals with uniform linear array is proposed in this paper. First, the mixing matrix, which contains all azimuth information of signal sources, is estimated by i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::289b945a303014509cd59016a79e5c63
https://doi.org/10.1007/s11760-013-0553-z
https://doi.org/10.1007/s11760-013-0553-z
Publikováno v:
ETRI Journal. 35:748-756
This paper addresses the problem of online hop timing detection and frequency estimation of multiple frequency-hopping (FH) signals with antenna arrays. The problem is deemed as a dynamic one, as no information about the hop timing, pattern, or rate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e4332bc7a13514c685a6b860e8ecce1f
https://doi.org/10.4218/etrij.13.0112.0787
https://doi.org/10.4218/etrij.13.0112.0787
Publikováno v:
IET Communications. 7:1456-1464
Most of the earlier approaches for frequency-hopping (FH) signals sorting with a single sensor do not adapt to synchronous network, whereas the multiple-sensor-based algorithms request the number of sensors must be more than that of signals. Since th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::99ebf253ea1436b472c9c827651e33ca
https://doi.org/10.1049/iet-com.2013.0276
https://doi.org/10.1049/iet-com.2013.0276
Publikováno v:
International Journal of Antennas and Propagation, Vol 2013 (2013)
This paper addresses the problem of direction-of-arrival (DOA) estimation of coherent signals in the presence of unknown mutual coupling, and an autoregression (AR) model-based method is proposed. The effects of mutual coupling can be eliminated by t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c0934c1ee785f7fea6015d0c6bed6d46
https://doi.org/10.1155/2013/386367
https://doi.org/10.1155/2013/386367
Publikováno v:
Progress In Electromagnetics Research C. 44:67-82
Speciflc emitter identiflcation (SEI) is the technique which identifles the individual emitter based on the RF flngerprint of signal. Most existing SEI techniques based on the transient RF flngerprint are sensitive to noise and need difierent variabl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fc3ad700f6c4592e92752c73b4118ee8
https://doi.org/10.2528/pierc13080703
https://doi.org/10.2528/pierc13080703