分析了已有的序列线性复杂度分析方法,提出了用近似熵算法计算混沌运动的测度熵,作为衡量混沌伪随机序列复杂度的标准。
In this paper, the conventional pseudo-random sequence linear complexity is discussed, and a new criterion is proposed, based on the approximate entropy.
本文首先分析了当前模拟信号随机性测试技术,通过比较,说明使用熵测度对信号的随机性进行评价更加准确与科学。
Firstly, this paper analyzes the current analog signal random testing technology, and describes using entropy measure is more accurate and scientific to estimate the randomicity of signal by contrast.
本文从分形信息论观点出发,考察多重测度分形,导出基于分形熵比的多重分形维谱函数。
From the view of fractal information theory, the multifractal has been introduced, and the multifractal dimension spectrum function based on the fractal entropy has been investigated.
另外,还建立了非紧测度与熵数,近似数之间的一些联系。
Also, some relations of measures of non-compactness and entropy numbers, approximation numbers be discussed in this paper.
本文研究了随机波动率模型的最小熵鞅测度和效用无差别定价。
This paper deals with the minimal entropy martingale measure and utility indifference pricing concerning a stochastic volatility model.
首先系统地给出了直观模糊集的熵、距离测度和相似测度的公理化定义,并讨论了它们之间的一些基本关系。
The axiom definitions of entropy, distance measure and similarity measure of intuitionistic fuzzy sets are systematically given and basic relations between these measures are discussed.
对多要素离散空间场之间的相关性测度,定义了一种基于信息熵的规范的相关指数,并给出了计算方法。
The author defines normative relational index based on entropy and gives the method of computation, for relational measurement among multi-elements discrete spatial fields.
运用模糊事件及概率测度的基本性质,给出了模糊熵的一些基本定理。
Based on the fundamental quality of fuzzy events, the basic theorem of fuzzy entropy is obtained.
最后,通过基于局部信息熵和局部灰度对称性测度的假设验证对ROI区域进行验证并对验证后的车辆区域进行滤波,得到最终检测结果。
Then, vehicle validation process is accomplished by local entropy and local gray scale symmetry estimate. Finally, the validated ROI area is filtered to obtain the ultimate detection results.
利用小波变换模极大值和小波熵测度分别对其进行检测,对比表明,小波熵测度能更准确、实时地检测到各种暂态信号。
The contrast between wavelet transform maximal modulus and wavelet entropy shows that the latter is a better approach to detect transient signal accurately and timely.
文中第一章主要介绍模糊性和模糊集的基本概念,以及模糊测度和模糊熵的研究进展。
Chapter 1 introduces the basic concepts of fuzziness and fuzzy sets, and reviews the research progress of fuzzy measures and fuzzy entropy.
利用这一新的准则,确定了鞅测度,提供了存在惟一最小对称熵鞅测度的充分条件。
Then by the new rule, a martingale measure was found, and sufficient conditions for the existence of a unique equivalent martingale measure that minimizes the symmetric entropy was given.
从而很容易求出各种测度的估计——灰熵、灰信息、灰语义识别信息等及信源感知度。
Thereby we can easily derive the estimates of measures-grey entropy, grey information, grey semanteme recognition information and degree of perception of information source.
熵权决策法以不确定性量度的熵来测度各指标的权重进行决策。
The method of entropy proportion USES entropy which is used to measure uncertainty as the proportion of index in decision-making.
我们已经研究了分别具椭圆和双曲不动点的二维保测度映射及其受摄三维扩张的KS熵。
We have studied the KS entropy of a 2-dimensional measure-preserving mapping with an elliptic or hyperbolic fixed point respectively, as well as that of its 3-dimensional extension.
文中在对传统重要性测度计算方法的性能比较和分析基础上,提出了一种基于局部熵的重要必测度计算准则。
Based on analysis and comparison of traditional importance measure, a new criterion of importance measure based on local entropy is put forward.
然后,通过加权系数融合多个测度相对熵而得到加权相对熵;
Secondly, the weighted relative entropy was got by integrating relative entropy of multiple measures with weighted coefficients.
实验结果表明,基于相对熵理论的多测度网络异常检测方法对于多种攻击的平均检测率达到83.5%。
Experimental result shows that the average detection rate of RETMMAD can reach to 83.5%. Considering for practicability of the RETMMAD, arriving at a decision for the threshold is often difficult.
实验结果表明,基于相对熵理论的多测度网络异常检测方法对于多种攻击的平均检测率达到83.5%。
Experimental result shows that the average detection rate of RETMMAD can reach to 83.5%. Considering for practicability of the RETMMAD, arriving at a decision for the threshold is often difficult.
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