最后,探讨了动态一致性检验的频谱(经典谱和最大熵谱)比较法,包括平稳序列频谱的估计和比较。
In the end, spectrum (classical spectrum and maximum entropy spectrum) comparative methods of dynamic consistency validation are discussed, including compare and estimation of stable series spectrum.
在此基础上提出一种基于线性矩法的熵估计方法(POMELM)。
A new parameter estimation method (POMELM) based on POME and L-moment is proposed in the thesis.
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.
计算机模拟结果表明,改进的最大熵谱估计测向方法在很大程度上提高了测向的精度和分辨率。
Computer simulation results show that the modified method has some significant improvement over the original method in resolution and accuracy of bearing estimations.
存在从所述至少一个熵估计的信号来生成随机数的步骤。
There is the step of generating from the at least one entropy estimated signal the random number.
提出应用广义最大熵的方法对结构方程模型的参数进行估计,该方法能够处理有限的或者不完全数据。
IA new method based on generalized maximum entropy is applied in estimating parameters of structural equation model, which is meant for situations with limited or incomplete data.
本文应用现代谱估计方法——最大熵谱估计分析了双联叶片泵供油系统的压力波动,指出了产生压力波动的原因。
This paper deals with the pressure ripple of the double vane pump using modern spectrum analysis—maximum entropy spectral estimation and indicates the causes of pressure ripple.
利用最大熵谱估计的方法对四种飞机目标数据进行外推处理,并在此基础上进行逆合成孔径成像。
The maximum entropy method is adopted to extrapolate data, and ISAR image is obtained based on this.
一种是采用极大熵原理,估计风险因素的概率分布。
One way is use maximum entropy to estimate the probability distribution.
本文介绍最大熵谱估计程序结构、功能及程序设计的数学原理,并讨论最大熵谱估计中参数的合理选取。
This paper introduces the programming structure, function and mathematic principle for maximum entropy spectrum estimation program and discusses the method of selecting the parameters.
与传统功率谱估计、最大熵谱估计结果的对比表明,多窗谱分析方法方法得到的谱估计分辨力高,稳定性强。
Compared to the Black-Tukey method and Maximum entropy method, the spectral estimations based on MTM are of high resolution and strong stability.
本文提出了一种估计死亡率分布的新模型-最大熵模型。
This paper proposes a new model, named maximum entropy model, to estimate the mortality.
为估计利用各类成像传感器自然获取图像的无损压缩极限,提出一个利用多尺度条件熵和记忆性度量的实用方法。
Lossless compression bounds of images naturally acquired by various imaging sensors are estimated using a practical method based on multi scale conditional entropy and memory measurement.
在此基础上,提出了基于距离像熵和距离像对比度的速度估计算法,详细分析了这两种算法的数学原理、步骤、效果、适用条件等。
Then, range profile entropy and contrast algorithm are presented for velocity estimation. Following, the math principle, procedure, effect and appropriate con - dition are analyzed in detail.
最大熵谱估计法是一种高分辨率的现代谱估计法。
The maximum entropy estimation is one of the modern high resolution spectrum estimation methods.
本文主要阐述最大熵(mem)谱估计的基本原理及算法,并指出MEM谱估计的特点及应用注意事项。
This paper mainly describes the basic principle and the algorithm of the Maximum Entropy Spectram Estimation Method (MEM), the features of MEM and the points for attention in the applications.
推导了样本熵的近似估计公式,引入最优窗宽、全局最优窗宽的算法,首次解决了样本熵的估计值不惟一的问题。
What is more, the expression for approximately estimating sample entropy is preserced by introducing optimal window-width arithmetic and the overall optimal window-width arithmetic.
引入一种新的数学模型方法——熵值估计法,对地域中不同规模的城市数量结构进行分析。
A new mathematic model named entropy evaluation method is introduced to analyze the structure of city Numbers in different size in a given zone.
简要介绍最大信息熵原理及其概率估计方法,推导出二阶矩意义下的最大熵概率密度分布表达式。
The maximum entropy principle method and the corresponding probability evaluation method are introduced, and the maximum entropy probability distribution expression is deduced in two degree moment.
提出了最大熵谱估计和LMS自适应算法提取激光测距系统的反射回波信号。
Maximum entropy spectral estimation and LMS adaptive algorithm were proposed to extract the reflection echo signal of laser ranging system.
仿真分析表明,最大熵谱估计和LMS自适应算法相结合可以有效地从背景噪声中提取有用的激光反射回波信号。
Simluation results show that the maximum entropy spectral estimation and LMS adaptive algorithm can extract echo signal of laser ranging system effectively from background noises.
结果表明最大熵算法较最大似然估计(MLM)算法和MUSIC算法对幅相误差的影响更加敏感。
The results show that the maximum entropy method is more sensitive to the gain and phase errors than the maximum likelihood method (MLM) and MUSIC method.
针对传统的支持向量机方法不能提供后验概率的输出问题,从信息熵的角度采用最大熵估计方法,直接对支持向量机输出进行后验概率建模。
To the problem that the standard SVM does not provide probabilities output, the probabilistic outputs for support vector machines is modeled based on the maximum entropy estimation.
论文分析了基于熵的离散化方法的不足,从估计训练样本的概率分布的角度出发,提出基于样本分布与熵相结合的处理数值型属性的方法。
By the method of estimating the probability distribution of training examples, a new and simple method of dealing with numeric attribute based on example distribution and entropy is turned out.
最大熵谱估计法是一种具有很高分辨率,并特别适合短时序列分析的现代谱分析方法。
Maximum entropy spectral analysis method (MEM) is a widely used modern spectral analysis method, which characterizes high resolution and fits for short time sequence especially.
文本文在大规模语料的基础上,利用语言模型中稀疏事件的概率估计方法对汉语的熵进行计算,并讨论了语料规模等因素对熵的影响。
Different estimation methods of the probabilities of sparse events for the computation of the entropy in large scale modern Chinese text are applied in this paper.
并证明了,在熵损失函数下,MINQUE估计总是优于简单估计。
It is interested to prove that MINQUE is superior to simple estimator under Entropy loss function.
第二个是采用现代谱估计技术(最大熵法,最小交叉熵法)分别对雷达发射信号脉内及脉间的起伏特性进行分析。
The second is that the fluctuation spectra of intrapulse and pulse-to-pulse are estimated respectively with modern spectra estimation approaches(maximum entropy and minimum cross—entropy).
对原始的短时高频心电图(SHFECG)作近似熵计算难以得到稳定、可信的估计值。
It is difficult to gain stable and credible values of approximate entropy(ApEn) for original signals of short-term high frequency electrocardiogram(SHFECG).
最大熵法与Welch法估计的功率谱的比较。
Maximum entropy method and Welch 's power spectrum estimation comparison.
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