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相关概念视频

Collisions in Multiple Dimensions: Problem Solving01:06

Collisions in Multiple Dimensions: Problem Solving

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In multiple dimensions, the conservation of momentum applies in each direction independently. Hence, to solve collisions in multiple dimensions, we should write down the momentum conservation in each direction separately. To help understand collisions in multiple dimensions, consider an example.
A small car of mass 1,200 kg traveling east at 60 km/h collides at an intersection with a truck of mass 3,000 kg traveling due north at 40 km/h. The two vehicles are locked together. What is the...
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Statically Indeterminate Problem Solving01:16

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Statically indeterminate problems are those where statics alone can not determine the internal forces or reactions. Consider a structure comprising two cylindrical rods made of steel and brass. These rods are joined at point B and restrained by rigid supports at points A and C. Now, the reactions at points A and C and the deflection at point B are to be determined. This rod structure is classified as statically indeterminate as the structure has more supports than are necessary for maintaining...
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Two-Dimensional Force System: Problem Solving01:29

Two-Dimensional Force System: Problem Solving

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Solving problems related to two-dimensional force systems is an essential aspect of mechanics and engineering. By applying the principles of vector analysis and force equilibrium, one can determine the effect of multiple forces acting on an object in a two-dimensional space.
The first step to solving a two-dimensional force system problem is to draw a free-body diagram of the object under consideration. This diagram helps identify all the external forces acting on the object, including their...
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Distributed Loads: Problem Solving01:21

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Beams are structural elements commonly employed in engineering applications requiring different load-carrying capacities. The first step in analyzing a beam under a distributed load is to simplify the problem by dividing the load into smaller regions, which allows one to consider each region separately and calculate the magnitude of the equivalent resultant load acting on each portion of the beam. The magnitude of the equivalent resultant load for each region can be determined by calculating...
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Collisions in Multiple Dimensions: Introduction01:05

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It is far more common for collisions to occur in two dimensions; that is, the initial velocity vectors are neither parallel nor antiparallel to each other. Let's see what complications arise from this. The first idea is that momentum is a vector. Like all vectors, it can be expressed as a sum of perpendicular components (usually, though not always, an x-component and a y-component, and a z-component if necessary). Thus, when the statement of conservation of momentum is written for a...
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Frequency response analysis in electrical circuits provides vital insights into a circuit's behavior as the frequency of the input signal changes. The transfer function, a mathematical tool, is instrumental in understanding this behavior. It defines the relationship between phasor output and input and comes in four types: voltage gain, current gain, transfer impedance, and transfer admittance. The critical components of the transfer function are the poles and zeros.
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相关实验视频

Updated: Jul 10, 2025

The HoneyComb Paradigm for Research on Collective Human Behavior
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对基础设施网络的直觉模糊基于目标的攻击和防御游戏进行建模和研究.

Zhe Li1, Jin Liu1, Yibo Dong1

  • 1Science and Technology on Information Systems Engineering Laboratory, National University of Defense Technology, Changsha 410073, China.

Entropy (Basel, Switzerland)
|November 24, 2023
PubMed
概括

本研究介绍了一个直观的模糊游戏模型,用于网络攻击和防御,考虑主观的不确定性. 调查结果显示,攻击者准不那么突出的节点,而防御者则保护关键的网络基础设施.

关键词:
攻击和防守游戏游戏.基础设施网络的基础设施网络.直觉的模糊集是一个模糊集.网络科学 网络科学重复的游戏重复的游戏.

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科学领域:

  • 网络安全 网络安全
  • 游戏理论的游戏理论.
  • 基础设施保护 基础设施保护

背景情况:

  • 现有的网络攻击和防御游戏研究往往忽视了攻击者和防御者的主观不确定性.
  • 电网和运输系统等基础设施网络需要强有力的保护策略.
  • 了解在不确定性下攻击者和防御者的决策对于有效的网络安全至关重要.

研究的目的:

  • 为基础设施网络开发一种直观模糊的基于目标的攻击和防御游戏模型.
  • 将预期值,拒绝值和犹程度等主观因素纳入游戏模型.
  • 分析网络安全策略,将最大连接切片大小作为关键性能指数.

主要方法:

  • 为基础设施网络攻击和防御构建了一个直观模糊的双人零和游戏模型.
  • 将模糊的游戏模型转换为用于计算分析的线性编程问题.
  • 通过单回合和多回合重复游戏场景评估模型的适用性和可行性.

主要成果:

  • 攻击者倾向于针对不那么突出的网络节点 (中立和中位) 而不是非常重要的网络节点.
  • 维护者优先保护最关键的节点,以保持整体网络性能.
  • 拟议的直觉主义模糊游戏模型有效地捕捉和分析网络攻击和不确定性下的防御动态.

结论:

  • 开发的直观模糊游戏模型为研究网络攻击和防御策略提供了一种新的方法.
  • 考虑主观决策偏好可以提高网络安全游戏模型的现实性和适用性.
  • 这些发现为优化关键基础设施网络中防御策略提供了宝贵的见解.