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Limit Theorems for Chaitin Complexity
《Chinese Science Bulletin》1993年第5期361-365,共5页杨恩辉 
1 Statement of Limit Theorems Let A={a1,…, a|A|} be a finite alphabet, B={0, 1}, and N={0, 1,…}. By An（A∞, resp.）, we denote the set of words with the length n（∞, re...
关键词：Chaitin complesity Shamon ENTROPY RATE of SOURCES UNIVERSAL noiseless coding. 
Failure Detection and Correction for Appearance Based Facial Tracking被引量：3
《Chinese Journal of Electronics》2015年第1期20-25,共6页WANG Lei LIANG Yixiong CAI Wangyang ZOU Beiji 
supported by the Hunan Provincial Natural Science Foundation of China(No.09JJ6102);Natural Science Foundation of China(No.61173122);Key Project of Natural Science Foundation of Hunan Province,China(No.12JJ2038)
The appearance based facial tracking methods, such as active appearance models and candide models, are widely used in intelligent user interface and facial expression recognition. This paper proposes a novel method to...
关键词：FACIAL tracking FAILURE detection FAILURE CORRECTION SPARSE coding. 
DRA Audio Coding Standard
《Chinese Journal of Electronics》2014年第3期521-526,共6页MA Wenhua XU Jing MA Yuanzhe YOU Yuli 
supported by the 2012 Guangdong Science and Technology Plan for Commercialization of Advanced and New Technologies(No.2012B010100033);Collaboration of Guangdong and Hong Kong for Major Break-Through in Key Technical Fields(No.2005A-10208005);Fund for Guangdong Provincial Key Labs(No.2005B-60149)
DRA(Dynamic resolution adaptation)audio coding standard was shown to deploy transientlocalized MDCT to effectively suppress pre-echo artifacts and statistic allocation of codebooks to improve the compression efficienc...
关键词：Audio coding  Standard  Listening test  Modified discrete cosine transform （MDCT） Huffman coding. 
Cross-layer in MIMO-OFDM System with Adaptive Modulation and Coding:Design and Analysis被引量：2
《Chinese Journal of Electronics》2014年第2期371-376,共6页ZHAO Junhui GUAN Xin LI Xiuping ZENG Longji 
supported by National Natural Science Foundation of China(No.61172073);the State Key Laboratory of Rail Traffic Control and Safety(No.RCS2011ZT003);Beijing Jiaotong University,the open research fund of National Mobile Communications Research Laboratory,Southeast University(No.2012D19);the Fundamental Research Funds for the Central Universities,Beijing Jiaotong University(No.2013JBZ01);the Program for New Century Excellent Talents in University of Ministry of Education of China(No.NCET-12-0766)
The queuing performance of the cross-layer system with Space-time block code （STBC） over Multi- input-multi-output （MIMO） channel is analyzed. The Adaptive modulation and coding （AMC） in physical layer and finit...
关键词：Adaptive modulation and coding Cross- layer design Multi-input-multi-output Space-tlme block coding. 
Algebraic constructions of asymptotically optimal two-dimensional optical orthogonal codes
《Chinese Science Bulletin》1997年第19期1659-1662,共4页Xu, CQ Yang, YX 
1 Preliminaries The mathematical definition of the two-dimensional optical orthogonal code(2-D OOC)is as follows: Definition 1. A(mn, ω,λ_a,λ_c) 2-DOOC consists of a set of(O, 1) m×n matri-
关键词：OPTICAL ORTHOGONAL CODES CDMA OPTICAL COMMUNICATIONS coding. 
Wavelet Transform and Image Processing
《Systems Science and Systems Engineering》1993年第4期377-384,共8页CHENG Daizhan Dept. of Math., Rowan College of New Jersey, Glassboro, NJ 08028 
This paper presents systematically a method for image compression/decompression via wavelet transform. It consists of filter, quantization and Huffman coding etc.. Different methods have been compared. Finally,some su...
关键词：image processing wavelet transform QUANTIZATION coding. 
Iterative Coded Multipulse Pulse Position Modulation for High Data Rate Optical Space Communication被引量：1
《Chinese Journal of Electronics》2011年第1期121-124,共4页TAN Ying LIU Wei GUO Jianzhong AI Yong 
This work is supported by the National Natural Science Foundation of China / Joint Found of Aeronautical Science and Technology （No.10477014）.
We present a modulation and coding scheme comprised of the serially concatenation of a convolutional code, interleaver, accumulator, and Multipulse pulse position modulation （MPPM） [or Serially concatenated MPPM （S...
关键词：Space optical communication Pulse position modulation （PPM）  Multipulse pulse position modulation （MPPM） Error correction coding. 
Symbols detection for frequency-selective V-BLAST OFDM systems
《Journal of Systems Engineering and Electronics》2005年第2期418-425,共8页WuXiaojun LiXing WangJilong 
ThisprojectwassupportedbyChinesePostdoctoralScienceFoundation(2003034164)andNationalKeyBasicResearchDevelopmentProgram(973Program)ofChina(2003CB314807).
As the combining form of the orthogonal frequency-division multiplexing (OFDM) technique and the vertical Bell Labs layered space-time (V-BLAST) architecture, the V-BLAST OFDM system can better meet the demand of next...
关键词：orthogonal frequency-division multiplexing vertical Bell Labs layered space-time architecture symbols detection frequency-selective fading joint space-frequency demultiplexing rotational invariance joint space-frequency coding. 
A New Concatenated Coding SystemUsing Multilevel Inner Codes
《The Journal of China Universities of Posts and Telecommunications》1994年第2期62-67,共6页WangDuanyi AND YueGuangxin(Department of Telecommunication Engineering, Beijing University of Postsand Teleconimunications Beijing 100088 ,P. R. China) 
A new concatenated coding system with multilevel inner codes and a long RS outer code ispresented in this paper. Its performance is analyzed by deriving the expressions for the owrall effec-tive information rate, deco...
关键词：channel codinglconcatenated coding. multileuel coding 
采用模糊字典编码的小波图象压缩方法
《计算机工程与科学》1997年第4期24-27,共4页黄晓润 郭浩志 
本文讨论了采用小波变换进行图象压缩的基本方法。并根据小波变换域数据的基本特性，在字典编码算法的基础上提出了二维模糊字典编码算法，将传统的变换压缩方法中的量化和编码部分有机地结合起来。
关键词：小波变换 图象压缩 编码 模糊字典编码 
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