Results 11 to 20 of about 863 (123)
Zhejiang Daxue xuebao. Lixue ban, 2012 讨论了旋转对称函数在归一化Haar变换域中的谱特性，提出了基于归一化Haar变换检测旋转对称函数的新方法.该方法具有易于计算机编程操作以及可以同时检测多种其他特殊逻辑函数等优点.
QIUXiao-hua(邱晓华“) +1 more
doaj +2 more sources
Zhejiang Daxue xuebao. Lixue ban, 2002 分析了函数的RM展开式中乘积项所含的部分变量取反引起的变化,在此基础上提出了直接检测部分变量取反的RM型对称函数的新方法.
LIUGuan-sheng(刘观生) +2 more
doaj +2 more sources
Recognition algorithm of non punctured polarization codes based on structural characteristics of coding matrix [PDF]
, 2022 In order to solve the problems of complexity and poor error adaptability in the blind recognition of standard non-punctured polarization codes, the theorems and propositions that could characterize the relationship between the code length and code rate ...
Guodong YANG +3 more
core +1 more source
Equivalent characterization of resilient rotation symmetric functions with q number of variables over GF(p) [PDF]
, 2014 Baesd on the property of the l-value support tables of the resilient rotation symmetric functions (RSF) with q number of variables, an equivalent characterization on the resilient RSF with q number of variables is derived.
GJie ZHAN +3 more
core +1 more source
Extended algebraic immunity of symmetric Boolean function [PDF]
, 2014 Boolean functions with optimal algebraic immunity play an important role in stream ciphers.Based on the univariate polynomial representation of Boolean functions,a construction of Boolean functions with maximum extended algebraic immunity (EAI) is ...
Gao-fei WU +3 more
core +1 more source
Novel kernel function for computing the similarity of text [PDF]
, 2012 To enhance the performance of detecting similar documents,a novel kernel function named S_Wang kernel was constructed.Based on the actual situation of computing text similarity,the S_Wang kernel was newly bu lt with consideration of the Euclidean ...
Shi-guang JU, Xiu-hong WANG
core +1 more source
Performance analysis of zero-forcing coordinated MIMO transmission in interference channels [PDF]
, 2012 The performance of the zero-forcing (ZF) coordinated transmit strategy in multiple-input multiple-output (MIMO) interference channels was investigated.With the goal to derive analytical expression of its performance metric such as the sum rate and the ...
ANGLV-xi Y +3 more
core +1 more source
, 2019 查询推荐是一种提高用户搜索效率的重要技术，其核心任务是帮助用户构造有效查询并以此准确描述用户信息需求。作为当今搜索引擎的核心技术之一，查询推荐吸引了学术界和工业界的广泛关注，一直以来都是信息检索领域中重要的研究主题。本文以国内外会议、期刊发表的有关查询推荐研究的文献为对象，利用归纳总结方法，首先详细梳理了查询推荐中主流方法——基于简单共现信息的方法、基于图模型的方法以及融合多种信息的方法，然后总结评述了评测方法与指标，最后分析了未来可能的研究方向。
张晓娟, 彭琳, 李倩
core +1 more source
Construction and count of resilient rotation symmetric Boolean functions with prime number variables [PDF]
, 2013 The characteristic matrix of the resilient rotation symmetric Boolean functions(RSBF) with prime number va-riables were explored. Some properties about character ic matrix of them were given.
Jiao DU +3 more
core +1 more source
Identification of Colorants in Food by Surface-enhanced Raman Spectroscopy and Wavelet-based Reverse Search [PDF]
, 2017 使用金纳米粒子为增强因子的表面增强拉曼光谱技术,通过连续小波变换将拉曼光谱信号转化到小波空间(墨西哥帽小波作为小波基)。该步骤能够减轻信号中基线; 变化及随机噪音的影响并找到峰位置和最佳小波尺度系数。依据小波空间中的信息,对混合物光谱及标准谱光谱进行反向搜索得到反向搜索匹配系数(Revere; match quality,; RMQ),作为判断混合物中目标成分是否存在的依据。该算法可对混合物中的目标物质进行准确定性,并已成功应用于多种食品中色素鉴定。食品中色素的检出率; 达到99%,且结果稳健 ...
刘国坤 +6 more
core +1 more source