搜索结果: 151-165 共查到“会议中心 工学 systems”相关记录408条 . 查询时间(1.044 秒)
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：A novel deep learning approach for tourism volume forecasting with tourist search data
游客搜索数据 旅游量预测 深度学习方法
2023/5/8
Tourism volume forecasting is the hot topic in tourism management, and deep learning techniques as the promising tool are becoming popular for capturing the characteristics of tourism volume data, whi...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：大型探测器的可靠性实践
大型探测器 可靠性实践 可靠性评估
2023/5/8
该报告将详细介绍大型探测器研制过程中的可靠性设计、可靠性试验、以及可靠性评估与验收等实践工作
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Nonlinear structural stability and linear dynamic instability of transonic steady-states to a hydrodynamic model for semiconductors
跨音速稳态 非线性结构稳定性 线性动态不稳定性 半导体 流体动力学模型
2023/5/8
For unipolar hydrodynamic model of semiconductor device represented by Euler-Poisson equations, when the doping profile is supersonic, the existence of steady transonic shock solutions and C^\infty-sm...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：The long wave approximation of the Green-Naghdi equations with the Coriolis effect
格林-纳格迪方程 长波近似 科里奥利效应
2023/5/8
This talk study the long wave asymptotic behavior of Green-Naghdi equations, which could be used to describe the propagation of long-crested shallow-water waves in the equatorial ocean regions with th...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Diffusion limit of the compressible Euler-P1 approximation model arising from radiation hydrodynamics
辐射流体动力学 可压缩欧拉 近似模型 扩散极限
2023/5/8
We first show the nonequilibrium-diffusion limit of the compressible Euler-P1 approximation model arising in radiation hydrodynamics as the Mach number tends to zero when the initial data is well-prep...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Stability and instability of a generic non--conservative compressible two--fluid model
通用非保守 可压缩 双流体模型 稳定性 不稳定性
2023/5/8
We are concerned with stability and instability of the steady state (1,0, 1, 0) for a generic non–conservative compressible two–fluid model in R^3. Under the assumption that the initial fraction densi...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Failure-informed adaptive sampling for PINNs
PINN 故障知情 自适应 采样
2023/5/8
Physics-informed neural networks (PINNs) have emerged as an effective technique for solving PDEs in a wide range of domains. Recent research has demonstrated, however, that the performance of PINNs ca...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：量子保密通信系统现实安全性研究
量子保密 通信系统 安全性
2023/5/9
量子保密通信技术正在向实用化方向发展，然后在其实用化进程中还存在着一系列现实安全性问题。比如，人们在早期的安全性分析中做了一系列理想假设，而现实的设备和器件可能由于存在缺陷而无法满足这些假设，为了保证量子保密通信系统的现实安全性，就需要将现实设备和器件存在的缺陷考虑在内重新进行建模分析。本报告主要介绍我们团队近期在量子保密通信系统的光源端、探测端、信道上可能存在的现实安全性问题、量子保密通信系统的...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Stochastic Navier-Stokes equations via convex integration
凸积分 随机 纳维-斯托克斯方程
2023/5/8
In this talk I will talk about our recent work on the three dimensional stochastic Navier-Stokes equations via convex integration method. First we establish non-uniqueness in law, existence and non-un...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Calculation of high-order harmonic generation of atoms and molecules by combining time series prediction and neural networks
时间序列预测 神经网络计算 原子分子 高阶谐波生成
2023/5/9
High-order harmonic generation (HHG) from the interaction of ultra-intense laser pulses with atoms is an important tabletop short-wave coherent light source. Accurate quantum simulations of it present...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：A constructive proof of finite time blowup of 3D incompressible Euler equations with smooth data
光滑数据 三维不可压缩 欧拉方程 有限时间爆破 构造性证明
2023/5/10
Whether the 3D incompressible Euler equations can develop a finite time singularity from smooth initial data is one of the most challenging problems in nonlinear PDEs. In this talk, we will present a ...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Linear stability of the Couette flow in the 3D isentropic compressible Navier-Stokes equations
三维等熵 可压缩 Navier-Stokes方程中 Couette流 线性稳定性
2023/5/10
Consider the linear stability of the three dimensional isentropic compressible Navier-Stokes equations on . We prove the enhanced dissipation phenomenon for the linearized isentropic compressible Navi...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：电阻抗成像：模型、算法和应用
电阻抗 成像 模型 算法
2023/5/15
电阻抗成像（Electrical Impedance Tomography, EIT）是一类重要的生物医学成像模型，其基本的物理提法是由生物组织的可测量信息去反演生物体内部的电导率。这类可测量的信息可以是边界上的电流-电位信息，也可能是生物体内部的部分电场（磁场信息）。基于某些生物病变组织电导率的巨大变化，该成像技术在临床的功能成像和结构成像中具有重要的作用，并被用于肺功能临床监测。这类成像问题数...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars： Babuska Problem in Composite Materials and its Application to Acoustic Resonators
复合材料 巴布斯卡问题 声学谐振器
2023/5/15
A long-standing area of material science has been the study of electrostatic and elastic fields in composite material. In high-contrast composites, when two adjacent inclusions are close to touching, ...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：面向人机混合智能的博弈交互学习研究
人机混合智能 博弈 交互学习
2023/5/16
人机混合智能是一种由人-机-环境相互作用而产生的新型智能形态。它通过人机交流、人机协作和人机融合等手段，实现相对目前人工智能更高性能、更为鲁棒、更能解释、应用更为广泛的智能形式，在不同规模的强对抗场景中均有迫切实际应用需求和重要科学研究价值。本次报告围绕面向人机混合智能决策系统中的智能博弈学习研究展开：首先介绍我们对于人机混合智能研究发展的一些最新思考，其次介绍国内外相关研究现状和我们在博弈交互学...