Analysis of bifurcation and chaos in a class of piecewise smooth systems based on symbolic sequence;
基于符号序列描述的一类分段光滑系统中分岔现象与混沌分析
Research of Finite and Infinite Symbolic Sequences;
有限和无限符号序列的研究
In order to reasonably measure the difference between symbolic sequences in [0,1], this paper presents the concepts of normalized identical distance and normalized edit distance.
为了在[0,1]区间上合理度量符号序列之间的区别,提出了归一化等同距离和归一化编辑距离的概念,并通过数学分析证明了它们满足度量的3条基本公理,从理论上说明了它们的合理性。
The rule of symbol sequence on the super-attracted point was found when the multiplier periodic buds was on the principal axis by using of lots of experiments.
研究了复映射 f(z,c) =z-2 +c所产生的广义M集 ,利用周期分类法绘制了广义M集的分形图 ,分析了M集周期芽苞及倍周期芽苞在主轴上同分岔图的对应关系·从分岔图入手 ,通过大量计算机数学试验 ,发现了主轴上倍周期芽苞在超吸引点处符号序列的排列规律 ,给出了构造任意倍周期芽苞字提升方程的一个算法·利用二分法解字提升方程 ,得到主轴上各倍周期芽苞的超吸引点 ,发现M集倍周期芽苞在主轴上存在一个普适常数δ ,并在非主轴上进行了验证·深刻揭示了分形的自相似本质 ,为进一步研究分形的精细结构提供了有力的帮
The symbol sequence is used to recognize the large-scale characteristics of the cha-otic oscillator output in time-domain.
针对Duffing振子系统在信号检测领域中的应用,提出了一种基于符号序列信息熵混沌特性的微弱信号检测方法。
The ideas of binary partition, symbolic series bar chart, Shannon entropy, Euclid number and high rank square are introduced based on the symbolic time series analysis method.
介绍了符号序列分析中的二进制划分、直方图、Shannon熵、欧几里得范数、高阶矩等概念,在两种试验汽油机处于热怠速工况时,运用上述概念对HC排放信号进行分析和评价。
The research on analysis and identification of the transient data of combustion engine based on the symbolic time series analysis by foreign mates, which is developed .
针对内燃机瞬态排放与稳态排放之间的差异 ,认为分析内燃机瞬态排放信号要有特殊的手段 ;回顾了混沌时间序列分析的特征参数族及将其运用于内燃机振动信号分析的工作 ;同时回顾了国外同行们将由符号动力学理论、混沌时间序列分析和信息理论发展起来的符号时间序列分析技术运用于内燃机瞬态数据分析和辨识的研究工作 ;给出了国外汽油机瞬态排放测试技术的发展状况 ;提出可以基于符号时间序列分析对汽油机瞬态排放信号进行分忻 ,获得瞬态排放的特征和影响因素。
The research on analysis and identification of the transient data of combustion engine based on the symbolic time series analysis by foreign colle.
针对内燃机瞬态排放与稳态排放之间的差异 ,认为分析内燃机瞬态排放信号要有特殊的手段 ;回顾了混沌时间序列分析的特征参数族及其运用于内燃机振动信号分析的工作 ;同时回顾了国外同行们将符号动力学理论、混沌时间序列分析和信息理论发展起来的符号时间序列分析技术运用于内燃机瞬态数据分析和辨识的研究工作 ;介绍了国外汽油机瞬态排放测试技术的发展状况 ;提出可以基于符号时间序列分析对汽油机瞬态排放信号进行分析 ,获得瞬态排放的特征和影响因素。
This article introduces symbol transformation and how to plot symbol-sequence histograms as well as the structure of symbolic tree and Shannon entropy.
用MATLAB编程,得到了符号序列直方图,求出了Shannon熵、欧几里得范数等统计量,并对其结果进行了分析,肯定了统计量对确定性结构的评估作用。
Predicting termination of atrial fibrillation based on sign sequence of RR interval differences
基于RR间期差符号序列预测房颤终止
Weak signal identification based on chaotic nature of symbol-sequence entropy
基于符号序列信息熵混沌特性的微弱信号检测
A Angle Sign Sequence Algorithm for Calculating Diameters of Convex Polygons
基于夹角符号序列的凸多边形直径算法
Symbolic Sequence Clustering and Its Application in Market Segmentation;
符号序列聚类及在市场细分中的应用研究
The Forecasting Research of Stock Price Index by the Symbol Sequence;
基于符号序列方法的股价指数预测研究
Extracting Machine Information by Shannon Entropy of Symbolic Series
采用符号序列Shannon熵的机器信息提取方法
Symbolic Sequence Clustering Regular Similarity Model Based on Data Mining
基于数据挖掘的符号序列聚类相似度量模型
Dynamical Behavior and Ordering Rules of Symbolic Sequences in a New Chaotic System
一种新混沌系统的动力学行为及符号序列排序规则
The Symbolic Analysis of Transition between U-Sequence and Farey Sequence;
U序列与Farey序列之间过渡的符号分析
The Study of Indexing and Retrieval Algorithm for Symbolic Multi-Dimensional Time-series;
符号化高维时间序列的检索算法研究
FSO-OFDM Symbol Synchronization Based on FH Sequence
一种基于FH序列的FSO-OFDM符号同步方案
The research of OFDM symbol synchronization arithmetic based on training sequence
基于训练序列的OFDM符号同步算法研究
Any finite sequence of symbols from an alphabet A is called a string.
由字母表A中的符号所组成的任何有穷序列，被称为符号串。
"This program may use punctuation marks instead of letters when displaying the list of drives.
"当该程序显示驱动程序列表时可以使用标点符号而不是字符。
"ERROR: Issuer serial number does not match Key Authority
"错误: 颁发者序列号不符合密钥颁发机构
Research on Data Symbolization of Multi-dimensional Time Series
多维时间序列数据符号化表示方法的研究
Research on identifying pattern of chaotic series with symbolic analysis
符号分析在混沌序列模式识别中的应用研究
A Novel OFDM Symbol Timing Algorithm Based on PN Training Sequence
一种基于PN训练序列的OFDM符号定时算法