MAXIMUM-LIKELIHOOD

作品数：19被引量：30H指数：3
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Graph Signal Reconstruction from Low-Resolution Multi-Bit Observations
《Chinese Journal of Electronics》2024年第1期153-160,共8页Zhaoting LIU Chen YU Yafeng WANG Shuchen LIU 
supported by the National Natural Science Foundation of China(Grant No.61671192);the Opening Foundation of Zhejiang Engineering Research Center of MEMS(Grant No.MEMSZJERC2204)。
Low hardware cost and power consumption in information transmission,processing and storage is an urgent demand for many big data problems,in which the high-dimensional data often be modelled as graph signals.This pape...
关键词：Graph signal reconstruction MAXIMUM-LIKELIHOOD Expectation maximization Low-bit quantization 
Underwater image enhancement by maximum-likelihood based adaptive color correction and robust scattering removal被引量：2
《Frontiers of Computer Science》2023年第2期209-223,共15页Bo WANG Zitong KANG Pengwei DONG Fan WANG Peng MA Jiajing BAI Pengwei LIANG Chongyi LI 
supported by Higher Education Scientific Research Project of Ningxia(NGY2017009).
Underwater images often exhibit severe color deviations and degraded visibility,which limits many practical applications in ocean engineering.Although extensive research has been conducted into underwater image enhanc...
关键词：underwater image enhancement adaptive color correction background light estimation 
Direction of arrival estimation method based on quantum electromagnetic field optimization in the impulse noise被引量：1
《Journal of Systems Engineering and Electronics》2021年第3期527-537,共11页DU Yanan GAO Hongyuan CHEN Menghan 
supported by the National Natural Science Foundation of China(61571149);the Natural Science Foundation of Heilongjiang Province(LH2020F017);the Initiation Fund for Postdoctoral Research in Heilongjiang Province(LBH-Q19098);the Heilongjiang Province Key Laboratory of High Accuracy Satellite Navigation and Marine Application Laboratory(HKL-2020-Y01).
In order to resolve direction finding problems in the impulse noise,a direction of arrival(DOA)estimation method is proposed.The proposed DOA estimation method can restrain the impulse noise by using infinite norm exp...
关键词：direction of arrival(DOA)estimation impulse noise infinite norm exponential kernel covariance matrix maximum-likelihood(ML)algorithm quantum electromagnetic field optimization(QEFO)algorithm Cramer-Rao bound(CRB) 
Distributed Cooperative OFDM-IM System被引量：4
《China Communications》2020年第9期167-176,共10页Hua Qing Hua Yu Yun Liu Wei Duan Miaowen Wen Fei Ji 
supported in part by National Natural Science Foundation of China under Grants 61871190,U1809211 and 61771202;in part by Key Program of Marine Economy Development(Six Marine Industries)Special Foundation of Department of Natural Resources of Guangdong Province(GDNRC[2020]009);in part by the Fundamental Research Funds for the Central Universities under No.2019SJ02。
This paper considered a multi-relay distributed cooperative system in which not only the source communicates with the destination,but also the relays have communication requests with the destination.In order to achiev...
关键词：OFDM index modulation(IM) maximum-likelihood(ML) decode-and-forward(DF) bit error rate(BER) 
Studies on unfolding energy spectra of neutrons using maximumlikelihood expectation–maximization method被引量：3
《Nuclear Science and Techniques》2019年第9期24-33,共10页Mehrdad Shahmohammadi Beni D.Krstic D.Nikezic K.N.Yu 
support from the Neutron computer cluster from the Department of Physics, City University of Hong Kong
Energy spectra of neutrons are important for identification of unknown neutron sources and for determination of the equivalent dose. Although standard energy spectra of neutrons are available in some situations, e.g.,...
关键词：NEUTRON spectrometry MAXIMUM-LIKELIHOOD expectation–maximization Nested NEUTRON spectrometer 
Sphere decoder for polar codes concatenated with cyclic redundancy check被引量：1
《Science China(Information Sciences)》2019年第8期155-167,共13页Yongrun YU Zhiwen PAN Nan LIU Xiaosi TAN 
supported by National Major Project (Grant No. 2017ZX03001002-004);National Natural Science Foundation Project (Grant No. 61521061);National Natural Science Foundation of China (Grant No. 61571123);333 Program of Jiangsu (Grant No. BRA2017366)
The existing cyclic redundancy check(CRC)-aided successive cancellation list(CA-SCL) decoder partitions the decoding process into two steps, where an SCL is followed by a CRC check. An SCL decoder can approach the max...
关键词：polar codes SPHERE DECODER MAXIMUM-LIKELIHOOD DECODING optimal DECODING RADIUS search 
A new maximum-likelihood phase estimation method for X-ray pulsar signals被引量：3
《Journal of Zhejiang University-Science C(Computers and Electronics)》2014年第6期458-469,共12页Hua ZHANG Lu-ping XU Yang-he SHEN Rong JIAO Jing-rong SUN 
Project supported by the National Natural Science Foundation of China(No.61172138);the Fundamental Research Funds for the Central Universities(Nos.K5051302015 and K5051302040);the Natural Science Basic Research Plan in Shaanxi Province of China(No.2013JQ8040);the Research Fund for the Doctoral Program of Higher Education of China(No.20130203120004)
X-ray pulsar navigation(XPNAV) is an attractive method for autonomous navigation of deep space in the future. Currently, techniques for estimating the phase of X-ray pulsar radiation involve the maximization of the ge...
关键词：X-ray pulsar Poisson model Phase estimation Maximum likelihood 
Amended Truncated Union Bounds on the ML Decoding Performance of Binary Linear Codes over AWGN Channels
《Chinese Journal of Electronics》2014年第3期458-463,共6页LIU Jia MA Xiao BAI Baoming 
supported by the National Basic Research Program of China(973 Program)(No.2012CB316100);the National Natural Science Foundation of China(No.61172082);the Science and Technology Planning Project of Guangdong Province(No.2011B020313022);the Soft Science Project of Guangdong Province(No.2010B070300096)
In this paper＇s simple upper bounds are derived on the frame and bit error probabilities of binary linear codes over Additive white Gaussian noise （AWGN） channels. The conventional union bound is first truncated an...
关键词：Additive white Gaussian noise （AWGN） channel  Maximum-likelihood （ML） decoding Binary linear block code Union bound  Gallager＇s first bounding technique （GFBT）  List decoding. 
An improved deconvolution method for X-ray coded imaging in inertial confinement fusion
《Chinese Physics B》2013年第10期281-286,共6页赵宗清 何卫华 王剑 郝轶丹 曹磊峰 谷渝秋 张保汉 
Project supported by the National High-Tech ICF Committee of China,Foundation of China Academy of Engineering Physics(Grant Nos.2009A0102003 and 2011B0102021);the National Natural Science Foundation of China(Grant No.10905051)
In inertial confinement fusion （ICF）, X-ray coded imaging is considered as the most potential means to diagnose the compressed core. The traditional Richardson-Lucy （RL） method has a strong ability to deblur the i...
关键词：inertial confinement fusion coded imaging DECONVOLUTION Gaussian distribution MAXIMUM-LIKELIHOOD 
Maximum Likelihood Detection for Detect-and-Forward Relay Channels
《International Journal of Communications, Network and System Sciences》2011年第2期88-97,共10页Azlan Abd Aziz Yasunori Iwanami 
This paper introduces a simple combining technique for cooperative relay scheme which is based on a Detect-and-Forward (DEF) relay protocol. Cooperative relay schemes have been introduced in earlier works but most of ...
关键词：COOPERATIVE RELAY Detect-and-Forward MAXIMUM-LIKELIHOOD CRITERION Detection 
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