M-ARY

作品数:57被引量:95H指数:5
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mSwap: a large-scale image-compositing method with optimal m-ary tree
《Advances in Aerodynamics》2021年第1期49-65,共17页Min Hou Chongke Bi Fang Wang Liang Deng Gang Zheng Xiangfei Meng 
supported by the National Numerical Windtunnel Project,partially by the National Natural Science Foundation of China under Grant No.61702360.
With the increasing of computing ability,large-scale simulations have been generating massive amounts of data in aerodynamics.Sort-last parallel rendering is the most classical image compositing method for large-scale...
关键词:Parallel rendering Sort-last Image compositing mSwap m-ary tree 
Fractional Fourier Transform Based M-ary Chirp Modulation被引量:1
《Journal of Shanghai Jiaotong university(Science)》2020年第6期795-801,共7页SHA Jiajun ZHENG Guoxin YANG Lin 
the National Natural Science Founda-tion of China(No.61571282);the Open Project Program of the State Key Laboratory of Rail Traffic Control and Safety(No.RCS2017K012)。
In this paper,a novel M-ary chirp modulation scheme is proposed on the basis of the energy concen-tration property of chirp signals in fractional domain.In the proposed scheme,chirp signals with diferent phases are mu...
关键词:chirp modulation fractional Fourier transform(FRFT)filter M-ary chirp 
A Study on Quasi-orthogonal M-ary Chirp Modulation
《Chinese Journal of Electronics》2019年第5期1053-1058,共6页YANG Liu ZHANG Fangqi ZHENG Guoxin SHA Jiajun 
supported by the National Natural Science Foundation of China(No.61871261,No.61801285);the National Key R&D Program of the 13th Five-year Plan,Research on Analysis of Operating Environment and Influencing Factors for High Speed Maglev Transportation System and Key Technologies for System Service Performance and Enviromental Reliability of High Speed Maglev Transportation System(No.2016YFB1200602-31)
This paper proposes and studies a novel Af-ary chirp modulation scheme adopting quasi-orthogonal waveforms. The Symbol error probability (SEP) of Af-ary modulation over Additive white Gaussian noise (AWGN) channel is ...
关键词:CHIRP modulation Correlation coeffi-cient Quasi-orthogonal WAVEFORM 
一种M-ary扩频信号的盲同步方法被引量:3
《电讯技术》2019年第9期1042-1047,共6页解辉 马俊涛 姚智刚 吕萌 史林 
国防科技基金资助项目(2004022)
针对通信侦察领域M-ary扩频信号的盲同步问题,根据M-ary扩频信号的结构特点及扩频码集元素间的相关特性,提出了一种扩频码长度和失步时间联合估计方法。该方法能够同时估计出Mary扩频信号的扩频码长度及失步时间,且不受扩频码集类型的...
关键词:M-ary扩频信号 盲同步 扩频码长 失步时间 
Analysis of different sub-carrier allocation of M-ary QAM-OFDM downlink in RoF system被引量:1
《Optoelectronics Letters》2018年第1期40-43,共4页邵宇丰 陈烙 王安蓉 赵云杰 龙颖 季幸平 
supported by the National Natural Science Foundation of China(No.61107064);the Bayu Scholars Founding,the Chongqing University Innovation Team Founding(No.KJTD201320);the Chongqing Science and Technology Commission Foundation(Nos.cstc2014jcyj A40046,cstc2016jcyj A1233 and cstc2016jcyj A0246);the Chongqing 2011 Collaborative Innovation Center Project(Chongqing Education Department(2016)No.40);the Chongqing Graduate Scientific Research Innovation Project(Nos.CYS15225 and CYS16225);the Science and Technology Special Funds in Wanzhou District
In this paper, the performance of a 60 GHz radio over fiber(Ro F) system with 4/16/64 quadrature amplitude modulation(QAM) orthogonal frequency division multiplexing(OFDM) downstream signals is studied. Delivery of 10...
关键词:QAM Analysis of different sub-carrier allocation of M-ary QAM-OFDM downlink in RoF system 
基于参数优化SVM算法的交联电缆局部放电模式识别被引量:3
《电气应用》2017年第3期78-82,87,共6页胡晓黎 张皓 段玉兵 杨波 孙晓斌 
为避免传统模式识别中神经网络收敛速度慢、过学习等不足或因支持向量机(Support Vector Machine,SVM)参数选择不当而导致识别准确度低,在引入M-ary分类理论将泛化及学习能力更强的SVM算法扩展为多类分类器的同时,利用改进遗传算法(Gene...
关键词:模式识别 分形特征 支持向量机 M-ary分类理论 参数优化 遗传算法 
面向Android的RSA算法优化与二维码加密防伪系统设计被引量:18
《计算机科学》2017年第1期176-182,共7页方文和 李国和 吴卫江 洪云峰 周晓明 
国家高新技术研究发展计划(2009AA062802);国家自然科学基金(60473125);中国石油(CNPC)石油科技中青年创新基金(05E7013);国家重大专项子课题(G5800-08-ZS-WX)资助
面向Android智能手机终端,研究设计了移动二维码加密防伪系统,其加密模块基于RSA算法。为解决RSA算法在移动终端的运行效率问题,结合Monte Carb型概率算法与Miller-Rabin素数测试优化策略得到快速随机强素数算法以提高RSA算法的初始化...
关键词:QR码 RSA ANDROID M-ary算法 智能防伪 
一种基于M-ary支持向量机的功率变换器故障分类方法被引量:8
《中国电机工程学报》2016年第22期6231-6237,共7页崔江 叶纪青 陈未 龚春英 
国家自然科学基金项目(51377079);中央高校基本科研业务费项目(NS2014028)~~
针对功率变换器开关管的故障诊断和定位问题,提出了一种基于遗传算法优化的M-ary支持向量机故障分类方法。该方法以类内类间距离为判据,通过遗传算法来确定与故障本身有关的较优故障编码,然后建立优化后的M-ary支持向量机模型来对功率...
关键词:功率变换器 故障分类 遗传算法 M-ary支持向量机 
Error code analysis and selection principle of M-ary modulation in network-based control systems
《Journal of Central South University》2016年第6期1372-1382,共11页赵顺利 尹逊和 魏学业 H. K. LAM 
Project(61172022) supported by the National Natural Science Foundation of China;Project(GDW20151100010) supported by the State Administration of Foreign Experts Affairs of China
Error codes induced by M-ary modulation and modulation selection in network-based control systems are studied.It is the first time the issue of error codes induced by M-ary modulation is addressed in control field.In ...
关键词:network-based control system asynchronous dynamic system (ADS) M-ary modulation delay error code linear matrix inequality (LMI) 
Pilot-added carrier-phase recovery scheme for Nyquist M-ary quadrature amplitude modulation optical fiber communication system被引量:1
《Chinese Optics Letters》2016年第2期6-10,共5页张文博 潘董威 宿晓飞 张晓光 席丽霞 唐先锋 
partly supported by the National Natural Science Foundation of China (Nos.61205065 and 61571057);the Open Fund of IPOC (BUPT) (No.IPOC2013B005);the Fund of the State Key Laboratory of Information Photonics and Optical Communications (Beijing University of Posts and Telecommunications);the Fundamental Research Funds for the Central Universities (No.2014RC1201)
A new two-stage carrier-phase recovery scheme using a combination of an optical pilot-aided algorithm with the crossed constellation transformation algorithm for either square-framed or non-square-framed M-level- quad...
关键词:Algorithms Amplitude modulation MODULATION Optical communication Optical fibers Quadrature amplitude modulation 
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