Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Bulk Modulus01:21

Bulk Modulus

309
The bulk modulus is a scientific term used to describe a material's resistance to uniform compression. It is the proportionality constant that links a change in pressure to the resulting relative volume change.
309
Ampere-Maxwell's Law: Problem-Solving01:17

Ampere-Maxwell's Law: Problem-Solving

630
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.
For the first part of...
630
Non-ohmic Devices00:51

Non-ohmic Devices

1.1K
In most substances, the current flow is proportional to the voltage applied to it. A simple relationship between the values of current, voltage, and resistance is known as Ohm's law. Nonohmic devices do not exhibit a linear relationship between voltage and current. One such device is the semiconducting circuit element known as a diode. A diode is a circuit device that allows current flow in only one direction.
Consider a simple circuit consisting of a battery, a diode, and a resistor. A...
1.1K
Ampere's Law: Problem-Solving01:31

Ampere's Law: Problem-Solving

3.6K
Ampere's law states that for any closed looped path, the line integral of the magnetic field along the path equals the vacuum permeability times the current enclosed in the loop. If the fingers of the right hand curl along the direction of the integration path, the current in the direction of the thumb is considered positive. The current opposite to the thumb direction is considered negative.
Specific steps need to be considered while calculating the symmetric magnetic field distribution...
3.6K
Norton Equivalent Circuits01:16

Norton Equivalent Circuits

384
Norton's theorem is a fundamental concept in the field of electrical engineering that allows for the simplification of complex AC circuits. The theorem states that any two-terminal linear network can be replaced with an equivalent circuit that consists of an impedance, which is parallel with a constant current source. Figure 1 shows the AC circuit portioned into two parts: Circuit A and Circuit B, while Figure 2 depicts the circuit obtained by replacing Circuit A by its Norton equivalent...
384
Euler's Formula for Pin-Ended Columns01:21

Euler's Formula for Pin-Ended Columns

311
In structural engineering, the stability of columns under compressive axial loads is a critical consideration, described as buckling. A typical example involves a column PQ, which is pin-connected at both ends and subjected to a centric axial load F applied at one end, with a reaction force of F' = -F at the other end. Here, it is crucial to understand that when an applied load exceeds the critical load, buckling occurs as the system becomes unstable.
To calculate the critical load,...
311

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

A Lightweight Hybrid Authentication and Key Agreement Protocol for Decentralized Device-to-Device Communication with Post-Quantum Confidentiality.

Sensors (Basel, Switzerland)·2026
Same author

Overview of Embedded Rust Operating Systems and Frameworks.

Sensors (Basel, Switzerland)·2024
Same author

Trustworthy Environmental Monitoring Using Hardware-Assisted Security Mechanisms.

Sensors (Basel, Switzerland)·2024
Same author

Evaluation of 6LoWPAN Generic Header Compression in the Context of a RPL Network.

Sensors (Basel, Switzerland)·2024
Same author

Flexible and Efficient Security Framework for Many-to-Many Communication in a Publish/Subscribe Architecture.

Sensors (Basel, Switzerland)·2022
Same author

Traffic Aware Scheduler for Time-Slotted Channel-Hopping-Based IPv6 Wireless Sensor Networks.

Sensors (Basel, Switzerland)·2022

相关实验视频

Updated: Jul 3, 2025

Author Spotlight: Optimizing Grid Preparation for Enhanced Cryoelectron Tomography
08:17

Author Spotlight: Optimizing Grid Preparation for Enhanced Cryoelectron Tomography

Published on: December 15, 2023

3.0K

携带更快的加密:为ARM处理器优化圆曲线加密

Ruben De Smet1, Robrecht Blancquaert2, Tom Godden2

  • 1Department of Electronics and Informatics (ETRO), Vrije Universiteit Brussel, Pleinlaan 2, B-1050 Brussels, Belgium.

Sensors (Basel, Switzerland)
|February 10, 2024
PubMed
概括

这项研究优化了使用ARM NEON SIMD的ARM处理器的圆曲线加密 (ECC). 这种新方法显著加快了Curve25519的操作速度,提高了安全数字通信的性能.

关键词:
这是一个ARM NEON.曲线2551919 是一个曲线.防 防 是一种延伸扭曲的爱德华兹曲线一个指令,多个数据 (SIMD)

更多相关视频

Polymerase Chain Reaction: Basic Protocol Plus Troubleshooting and Optimization Strategies
09:00

Polymerase Chain Reaction: Basic Protocol Plus Troubleshooting and Optimization Strategies

Published on: May 22, 2012

404.1K
Design and Optimization Strategies of a High-Performance Vented Box
14:23

Design and Optimization Strategies of a High-Performance Vented Box

Published on: June 9, 2023

1.1K

相关实验视频

Last Updated: Jul 3, 2025

Author Spotlight: Optimizing Grid Preparation for Enhanced Cryoelectron Tomography
08:17

Author Spotlight: Optimizing Grid Preparation for Enhanced Cryoelectron Tomography

Published on: December 15, 2023

3.0K
Polymerase Chain Reaction: Basic Protocol Plus Troubleshooting and Optimization Strategies
09:00

Polymerase Chain Reaction: Basic Protocol Plus Troubleshooting and Optimization Strategies

Published on: May 22, 2012

404.1K
Design and Optimization Strategies of a High-Performance Vented Box
14:23

Design and Optimization Strategies of a High-Performance Vented Box

Published on: June 9, 2023

1.1K

科学领域:

  • 计算机科学 计算机科学
  • 密码学 密码学 密码学 密码学
  • 嵌入式系统 嵌入式系统

背景情况:

  • 圆曲线加密 (ECC) 对于安全的数字通信至关重要,它是关键协议协议,数字签名和零知识证明的基础.
  • 高性能ECC依赖于特定于微型架构的模块化算术优化.
  • 在智能手机中普遍存在的ARM处理器是性能增强的关键目标.

研究的目的:

  • 为ARM处理器评估和优化Curve25519圆曲线.
  • 为了利用ARM NEON单指令,多数据 (SIMD) 架构来加速加密操作.

主要方法:

  • 引入了一种新的128位NEON SIMD向量表示,优化了并行化.
  • 在Rust库"curve25519-dalek"中实现了一个扩展的扭曲的爱德华兹曲线Curve25519后台.
  • 在多个ARM设备上使用加密基准和信号协议基准进行了广泛的评估.

主要成果:

  • 为ARM NEON实现了至少20%的后端加快速度.
  • 对于基准信号功能,表现出了至少15%的显著速度改进.
  • 新型SIMD向量表示显著加速圆曲线运算.

结论:

  • 优化的Curve25519实现在ARM NEON架构上提供了显著的性能提升.
  • 这项工作提高了移动设备上安全通信协议的效率.
  • 这些发现为嵌入式系统中更快,更高效的加密操作铺平了道路.