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CODE: 作品数：1315被引量：1331H指数：12; 导出分析报告; 相关领域：自动化与计算机技术更多>>; 相关作者：秦爱芳王海堂赵小龙邢晶霍志刚更多>>; 相关机构：中国科学院吉林大学上海大学清华大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家高技术研究发展计划国家重点基础研究发展计划安徽省自然科学基金更多>>

DESIGN OF EXACT REGENERATING HIERARCHICAL CODE FOR DISTRIBUTED STORAGE SYSTEM被引量：1: 《Journal of Electronics(China)》2013年第3期290-298,共9页Hao Jie Lu Yanbo Liu Xinji Xia Shutao; Supported by 973 Project of China (No. 2012CB315803);Research Fund for the Doctoral Program of Higher Education of China (No. 20100002110033);Open research Fund of National Mobile Communications Research Laboratory, Southeast University (No. 2011D11); Erasure code is widely used as the redundancy scheme in distributed storage system. When a storage node fails, the repair process often requires to transfer a large amount of data. Regenerating code and hierarchical c...; 关键词：Distributed storage Network coding Regenerating code Hierarchical code Repair cost

A Modified Code Domain Transmitted Reference UWB System: 《Journal of Electronics(China)》2011年第3期341-348,共8页Li Xia Jiang Hua Zhang Jian Kong Zehua; Supported by the National High Technology Research and Development Program of China(863 Program)(No.2009AA011205);the Important National Science and Technology Specific Projects(No.2009ZX03006-008); Based on the research on time domain and frequency domain transmitted reference Impulse Radio Ultra-WideBand (IR-UWB) system, this paper studies the optimization design for code domain transmitted reference IR-UWB sys...; 关键词：Ultra-WideBand (UWB) IMPULSE Transmitted Reference Code-Orthogonalized Pulse peak energy

A FAST PARAMETER ESTIMATION ALGORITHM FOR POLYPHASE CODED CW SIGNALS: 《Journal of Electronics(China)》2011年第1期30-37,共8页Li Hong Qin Yuliang Wang Hongqiang Li Yanpeng Li Xiang; A fast parameter estimation algorithm is discussed for a polyphase coded Continuous Waveform(CW) signal in Additive White Gaussian Noise(AWGN).The proposed estimator is based on the sum of the modulus square of the am...; 关键词：Parameter estimation Polyphase code Subcode-rate Modulation period

IMPROVING THE CAPACITY OF MULTI-CODE MULTIMEDIA CDMA SYSTEM被引量：1: 《Journal of Electronics(China)》2007年第4期557-559,共3页Pan Su Liu Shengmei; the Natural Science Fund for Jiangsu Province Universities (No.06kJB510078 and No.06KJA51001); by the Research Open Fund of the National Mobile Communications Key Lab (No.N200507).; A novel method for improving the capacity of multi-code multimedia Code Division Mul- tiple Access (CDMA) systems is proposed. By factitiously improving the transmission bit rate of the call, the number of the orthogo...; 关键词：Capacity MULTIMEDIA Code Division Multiple Access （CDMA）

A NOVEL VARIABLE-LENGTH CODE FOR ROBUST VIDEO CODING: 《Journal of Electronics(China)》2006年第4期623-626,共4页Ma Linhua Chang Yilin; A novel Variable-Length Code (VLC), called Alternate VLC (AVLC), is proposed in this letter, which employs two types of VLC to encode source symbols alternately. Its advantage is that it can not only stop the symbol e...; 关键词：Code design Error correction Symbol synchronization Variable-Length Code （VLC）

RESEARCH ON PERFECT DYADIC BINARY SEQUENCE PAIR被引量：2: 《Journal of Electronics(China)》2006年第3期361-364,共4页Mao Fei Jiang Ting Zhao Chenglin Zhou Zheng; Supported by the National Natural Science Foundation of China (No.60372097)Beijing Municipal Natural Science Foundation (No.4052021)University IT Re-search Center Project (INHA UWB-ITRC), Korea.; In this paper, the perfect dyadic binary sequence pair with one-value dyadic correlation functions is presented. That is, the perfect dyadic binary sequence pair is a perfect discrete signal, for its dyadic relative f...; 关键词：Code theory CORRELATION DYADIC Sequence pair

PRACTICAL ALGORITHMS FOR TORNADO CODES: 《Journal of Electronics(China)》2006年第2期274-276,共3页Ai Da Chang Yilin Luo Zhong Wang Jing; Supported by the National Natural Science Foundation of China(No.61072030) & Huawei Technologies Foundation; Tornado codes have been used in the error control of data transmission in IP network. The efficiency of this erasure codes is critically affected by the short cycles in its bipartite graph. To remove this effect, two ...; 关键词：Tornado code Bipartite graph Short cycle Erasure correcting efficiency

PERFORMANCE OF LDPC CODED FMT SYSTEMS OVER FREQUENCY SELECTIVE FADING CHANNEL: 《Journal of Electronics(China)》2005年第6期575-580,共6页Li Qiang Bi Guangguo Du Peng; Supported by 863 program of China under Grant 2001AA123015.; This paper proposes the Low Density Parity Check (LDPC) coded Filtered MultiTone (FMT) systems with high-order modulation for the high data rate reliable transmission over frequency selective fading channel. For the p...; 关键词：Low Density Parity Check （LDPC） code Filtered MultiTone （FMT） Frequency-selective fading channel

DESIGN OF IRREGULAR LDPC CODE WITH UNEQUAL ERROR PROTECTION PROPERTY AND ITS PERFORMANCE ANALYSIS ON IMAGE TRANSMISSION: 《Journal of Electronics(China)》2005年第6期658-662,共5页Wang Ruihua Yin Liuguo Yu Quan Lu Jianhua; Based on the property that high degree variable nodes within an irregular LowDensity Parity-Check (LDPC) code have more powerful error-correcting capability than that of low degree variable nodes, a group of irregular...; 关键词：Irregular Low-Density Parity-Check （LDPC） code Unequal Error Protection （UEP） Image transmission

NOVEL BIPHASE CODE-INTEGRATED SIDELOBE SUPPRESSION CODE: 《Journal of Electronics(China)》2004年第1期33-36,共4页WangFeixue OuGang ZhuangZhaowen; Supported by 10th 5-year National Defense Pre-research Project(No.106010303); A kind of novel binary phase code named sidelobe suppression code is proposed in this paper. It is defined to be the code whose corresponding optimal sidelobe suppression filter outputs the minimum sidelobes. It is sh...; 关键词：Optimal code SIDELOBE SUPPRESSION

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