搜索结果: 1-15 共查到“Wiener”相关记录80条 . 查询时间(0.107 秒)
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Paley-Wiener type theorems and their applications
Paley-Wiener型定理 Clifford代数环境 函数空间
2023/5/15
In this talk I will briefly introduce some Paley-Wiener type theorems in the Clifford algebra setting. The PW type theorems are related to a decomposition of some function spaces. Using the PW type th...
建立了基于Wiener过程的非线性多阶段退化模型并提出了剩余寿命预测方法,首先建立非线性退化模型，结合退化试验数据，通过Gibbs采样算法进行模型参数估计，使用Kalman滤波算法修正模型随机系数，预测速率陀螺仪的剩余寿命。通过与传统方法及试验结果进行比较，证明了该方法更为准确有效，对速率陀螺仪等导弹装备的剩余寿命预测具有借鉴意义。
随机效应Wiener过程退化可靠性分析方法
性能退化 随机效应 Wiener过程 可靠性分析
2018/11/15
针对工程中很多产品的初始退化量具有不确定性的情况，提出一种性能退化随机效应Wiener过程可靠性分析方法，同时考虑初始退化量和漂移系数的随机性.然后，根据首达时的定义，推导出了失效时间概率分布函数和概率密度函数的解析表达式.其次，结合产品性能退化测试情况，给出退化模型未知参数的极大似然估计.最后，通过对磁盘性能退化可靠性实例分析，验证了本文方法的适用性和有效性，与随机效应退化轨迹模型相比，本文方法...
INVERTIBILITY OF THE GABOR FRAME OPERATOR ON THE WIENER AMALGAM SPACE
Wiener amalgam space Gabor frame Walnut representation Wiener’s Lemma
2015/12/10
We use a generalization of Wiener’s 1/f theorem to prove that for a Gabor frame with the generator in the Wiener amalgam space W (L∞, `1 )(Rd), the corresponding frame operator is invertible on this s...
AN ALMOST PERIODIC NONCOMMUTATIVE WIENER’S LEMMA
ALMOST PERIODIC NONCOMMUTATIVE WIENER’S LEMMA
2015/9/29
We develop a theory of almost periodic elements in Banach algebras and present an abstract version of anoncommutative Wiener’s Lemma. The theory can be used, for example, to derive some of the recentl...
THE NONCOMMUTATIVE WIENER LEMMA,LINEAR INDEPENDENCE,AND SPECTRAL PROPERTIES OF THE ALGEBRA OF TIME-FREQUENCY SHIFT OPERATORS
NONCOMMUTATIVE WIENER LEMMA LINEAR INDEPENDENCE SPECTRAL PROPERTIES OF THE ALGEBRA TIME-FREQUENCY SHIFT OPERATORS
2015/9/29
In this paper we analyze the Banach *-algebra of time-frequency shifts with absolutely summable coefficients. We prove a noncommutative version of the Wiener lemma. We also construct a faithful tracia...
针对一类非均匀数据采样Hammerstein-Wiener 系统, 提出一种递阶多新息随机梯度算法. 首先基于提升技术, 推导出系统的状态空间模型, 并考虑因果约束关系, 将该模型分解成两个子系统, 利用多新息遗忘随机梯度算法辨识出此模型的参数; 然后, 引入可变遗忘因子, 提出一种修正函数并在线确定其大小, 提高了算法的收敛速度及抗干扰能力. 仿真实例验证了所提出算法的有效性和优越性.
Von Albert Einstein bis Norbert Wiener–frühe Ansichten und spate Einsichten zum Phanomen des elektronischen Rauschens
Albert Einstein Norbert Wiener frühe Ansichten Einsichten zum Phanomen elektronischen Rauschens
2015/3/26
Von Albert Einstein bis Norbert Wiener–frühe Ansichten und spate Einsichten zum Phanomen des elektronischen Rauschens.
Onboard real time modeling of aircraft engines with Hammerstein-Wiener representation
aircraft engines engine modeling onboard real time modeling
2014/12/11
An identification-based approach for aircraft engine modeling using the nonlinear Hammerstein-Wiener representation was proposed. Hammerstein-Wiener modeling for both limited flight envelope and exten...
Wiener过程在非线性退化建模中的应用
非线性退化 时间尺度转换 电连接器
2014/4/1
针对Wiener过程为线性随机过程而产品性能退化为非线性的情况，提出一种时间尺度转换方法，首先通过时间尺度转换把非线性退化数据转换成线性退化数据，采用Wiener过程对其进行建模分析，然后通过时间尺度逆转换实现产品在原有时间尺度下的可靠性评估。给出了Wiener 过程参数估计的步骤和方法，并以某型导弹电连接器的加速退化数据为例，阐述了基于时间尺度转换的Wiener过程在非线性退化建模中的应用。结果...
Applying the Wiener-Hermite Random Technique to Study the Evolution of Excess Weight Population in the Region of Valencia (Spain)
Random SIS Type—Epidemiological Model Wiener—Hermite Expansion Perturbation Method
2013/1/30
This paper proposes a stochastic model to study the evolution of normal and excess weight population between 24 - 65 years old in the region of Valencia (Spain). An approximate solution process of the...
通过对民用航空发动机性能退化数据的分析,提出了一种有效融合先验退化数据和现场退化数据的性能可靠性评估和剩余寿命预测方法.首先在先验退化数据的基础上确定Wiener过程参数的先验分布,然后利用贝叶斯方法融合新增的现场数据,对Wiener过程参数进行更新,并在此基础上对单台发动机进行性能可靠性评估和剩余寿命预测.该方法能根据现场退化数据不断地对可靠性和剩余寿命进行更新.最后通过某航空公司发动机性能退化...
Nourdin-Peccati analysis on Wiener and Wiener-Poisson space for general distributions
Nourdin-Peccati analysis Wiener Wiener-Poisson space general distributions
2012/3/1
Given a reference random variable, we study the solution of its Stein equation and obtain universal bounds on its first and second derivatives. We then extend the analysis of Nourdin and Peccati by bo...
固定直径的树的Wiener指数
Wiener指数 直径 树 距离距离
2012/8/6
图G的wiener指数定义为图中所有点对u，v的距离之和∑d（u，v）. 在这篇文章中，我们刻画了在n个顶点直径为d的所有树中具有第三小wiener指数的树的特征以及介绍了得到这类树的wiener指数排序的方法.
On the Representation of General Interest Rate Models as Square Integrable Wiener Functionals
interest rate models term structure dynamics Heath-Jarrow-Morton framework pricing kernels Wiener chaos Flesaker-Hughston models potentials
2011/7/19
In the setting proposed by Hughston & Rafailidis (2005) we consider general interest rate models in the case of a Brownian market information filtration (Ft)t0. Let X be a square-integrable F1-measur...
