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相关概念视频

Issues And Trends In Healthcare Delivery System01:29

Issues And Trends In Healthcare Delivery System

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The issues and trends in healthcare delivery are constantly changing. The COVID-19 pandemic is one recent issue that wreaked havoc on healthcare systems, causing a shortage of healthcare workers, high demand for medicines and supplies, and increased medical expenditure due to a lack of insurance. Other issues include rising healthcare costs and care fragmentation.
Cost Containment
Payment for healthcare services has historically promoted adoption of costly and often unnecessary or inefficient...
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Distribution Reliability and Automation01:25

Distribution Reliability and Automation

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Distribution reliability in electrical power systems is critical for ensuring an uninterrupted power supply to consumers at minimal cost. According to IEEE Standard Terms, reliability is the probability that a device will function without failure over a specified time period or amount of usage. For electric power distribution, this translates to maintaining continuous power supply and addressing customer concerns over power outages. Several indices, as defined by IEEE Standard 1366-2012, are...
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Parallel Processing01:20

Parallel Processing

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The brain processes sensory information rapidly due to parallel processing, which involves sending data across multiple neural pathways at the same time. This method allows the brain to manage various sensory qualities, such as shapes, colors, movements, and locations, all concurrently. For instance, when observing a forest landscape, the brain simultaneously processes the movement of leaves, the shapes of trees, the depth between them, and the various shades of green. This enables a quick and...
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Ampere-Maxwell's Law: Problem-Solving01:17

Ampere-Maxwell's Law: Problem-Solving

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A parallel-plate capacitor with capacitance C, whose plates have area A and separation distance d, is connected to a resistor R and a battery of voltage V. The current starts to flow at t = 0. What is the displacement current between the capacitor plates at time t? From the properties of the capacitor, what is the corresponding real current?
To solve the problem, we can use the equations from the analysis of an RC circuit and Maxwell's version of Ampère's law.
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Distributed Loads01:19

Distributed Loads

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Distributed loads are a common type of load that engineers and scientists encounter in various practical situations. Distributed loads often refer to a type of load spread over a surface or a structure and can be modeled as continuous force per unit area.
For example, consider a bookshelf filled with books stacked vertically adjacent to each other. The weight of the books is evenly distributed over the length of the shelf. As a result, the pressure at different locations on the surface of the...
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Multimachine Stability01:25

Multimachine Stability

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Multimachine stability analysis is crucial for understanding the dynamics and stability of power systems with multiple synchronous machines. The objective is to solve the swing equations for a network of M machines connected to an N-bus power system.
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Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
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一个可扩展的后量子安全区块链框架,在云环境中具有适应性时间共识.

M Velmurugan1, M Rajeev Kumar2

  • 1Department of Computer Science and Engineering, Vel Tech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology, Chennai, 600062, Tamil Nadu, India. vtd1037@veltech.edu.in.

Scientific reports
|December 22, 2025
PubMed
概括
此摘要是机器生成的。

这项研究介绍了PQ-PoETChain,一种抗量子区块链模型,可以显著降低能源消耗并提高性能. 它增强了对量子攻击的安全性,同时保持了大规模部署的高吞吐量.

关键词:
区块链 区块链 区块链 区块链哈希链验证 哈希链验证在 NTRU 加密.经过时间的证明.量子密码学是一种量子密码学.

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科学领域:

  • 计算机科学 计算机科学
  • 网络安全 网络安全
  • 分布式系统 分布式系统

背景情况:

  • 区块链技术面临着可扩展性,能源和量子攻击的挑战.
  • 传统系统 (RSA,DSA,PoW,PoS) 的计算开销很高.
  • 现有的解决方案没有针对云规模执行进行优化.

研究的目的:

  • 介绍PQ-PoETChain,一个后量子安全的区块链模型.
  • 为了集成NTRU签名,在可信执行环境 (TEE) 中适应性Proof of Elapsed Time (PoET) 和轻量化哈希验证 (LHV).
  • 评估云原生部署模型的性能和安全性.

主要方法:

  • 在Python中实现了PQ-PoETChain.
  • 在50-1000个节点的模拟环境中评估框架.
  • 通过重复试验测量了吞吐量,延迟和能耗.

主要成果:

  • NTRU的签名实现了小于2 ms的操作.
  • 适应PoET在负载下减少了共识延迟.
  • 在500个节点实现了~195 TPS,延迟时间为189±4 ms.
  • 与工作证明 (PoW) 相比,能源消耗降低了高达91.8%.
  • 通过恒时哈希指针验证,LHV降低了验证成本.

结论:

  • PQ-PoETChain提供了量子弹性安全性和提高性能的平衡组合.
  • 该模型适用于云原生和大规模的区块链部署.
  • 解决了当前区块链技术的关键挑战.