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

Voltage Dividers01:14

Voltage Dividers

510
In electrical circuits, resistors can be connected in series, sequentially linked one after the other. In a series configuration, the same current flows through each resistor. Ohm's law is a fundamental principle to understand the behavior of resistors in series. It expresses the voltage across these resistors in terms of the current and resistance.
Kirchhoff's voltage law implies that the sum of the voltages across the resistors in series equals the source voltage. This means that the...
510
Linear Approximation in Frequency Domain01:26

Linear Approximation in Frequency Domain

89
Linear systems are characterized by two main properties: superposition and homogeneity. Superposition allows the response to multiple inputs to be the sum of the responses to each individual input. Homogeneity ensures that scaling an input by a scalar results in the response being scaled by the same scalar.
In contrast, nonlinear systems do not inherently possess these properties. However, for small deviations around an operating point, a nonlinear system can often be approximated as linear....
89
Sampling Theorem01:15

Sampling Theorem

331
In signal processing, the analysis of continuous-time signals, denoted as x(t), often involves sampling techniques to convert these signals into discrete-time signals. This process is essential for digital representation and manipulation. A critical component in sampling is the train of impulses, characterized by the sampling interval and the sampling frequency. The relationship between these parameters and the original signal's properties dictates the success of the sampling process.
331
Time and frequency -Domain Interpretation of PI Control01:27

Time and frequency -Domain Interpretation of PI Control

121
Proportional-Integral (PI) controllers are essential in many control systems to improve stability and performance. They are commonly used in everyday devices like thermostats to enhance system damping and reduce steady-state error. When the zero in the controller's transfer function is optimally placed, the system benefits significantly in terms of stability and accuracy.
Acting as a low-pass filter, the PI controller slows the system's response and extends settling times. This requires...
121
Multimachine Stability01:25

Multimachine Stability

151
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.
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
151
Aliasing01:18

Aliasing

133
Accurate signal sampling and reconstruction are crucial in various signal-processing applications. A time-domain signal's spectrum can be revealed using its Fourier transform. When this signal is sampled at a specific frequency, it results in multiple scaled replicas of the original spectrum in the frequency domain. The spacing of these replicas is determined by the sampling frequency.
If the sampling frequency is below the Nyquist rate, these replicas overlap, preventing the original...
133

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

Probabilistic OPF and LFC of conventional with RES, energy storage and FACTS using DTBO.

Scientific reports·2026
Same author

Harmonizing Science and Law: Refining Psychosurgery Frameworks under MHCA 2017 with Global Insights.

Neurology India·2026
Same author

Highly stable diamagnetically levitated mechanical resonators with large masses exceeding 1.5 gram.

Microsystems & nanoengineering·2026
Same author

Gigahertz multimode vibrations in graphene and MoS<sub>2</sub> nanomechanical resonators at room temperature.

Science advances·2026
Same author

Letter: Scoring System Assessing Risks of Growth in Sporadic Vestibular Schwannoma.

Neurosurgery·2025
Same author

Uncertainty management in multiobjective electric vehicle integrated optimal power flow based hydrothermal scheduling of renewable power system for environmental sustainability.

Scientific reports·2025
Same journal

Erratum: Bacterial Turbulence at Compressible Fluid Interfaces [Phys. Rev. Lett. 136, 138301 (2026)].

Physical review letters·2026
Same journal

Unveiling Light-Quark Yukawa Flavor Structure via Dihadron Fragmentation at Lepton Colliders.

Physical review letters·2026
Same journal

Adaptable Route to Fast Coherent State Transport via Bang-Bang-Bang Protocols.

Physical review letters·2026
Same journal

Topological Transition and Emergence of Elasticity of Dislocation in Skyrmion Lattice: Beyond Kittel's Magnetic-Polar Analogy.

Physical review letters·2026
Same journal

Pound-Drever-Hall Method for Superconducting-Qubit Readout.

Physical review letters·2026
Same journal

Coupling a ^{73}Ge Nuclear Spin to an Electrostatically Defined Quantum Dot in Silicon.

Physical review letters·2026
查看所有相关文章

相关实验视频

Updated: Jun 28, 2025

Implementation of a Reference Interferometer for Nanodetection
16:11

Implementation of a Reference Interferometer for Nanodetection

Published on: April 26, 2014

9.4K

基于参数频分器的分离机器

Nicolas Casilli1, Tahmid Kaisar2, Luca Colombo1

  • 1Department of Electrical and Computer Engineering, Northeastern University, Boston, Massachusetts 02115, USA.

Physical review letters
|April 19, 2024
PubMed
概括
此摘要是机器生成的。

参数频率分隔器 Ising 机器为复杂的优化问题提供了低功耗的解决方案. 这些新的设备实现每旋转纳米瓦级的功耗,超过现有技术的性能.

更多相关视频

Generation and Coherent Control of Pulsed Quantum Frequency Combs
06:42

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

9.0K
All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics
11:33

All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics

Published on: January 19, 2018

9.6K

相关实验视频

Last Updated: Jun 28, 2025

Implementation of a Reference Interferometer for Nanodetection
16:11

Implementation of a Reference Interferometer for Nanodetection

Published on: April 26, 2014

9.4K
Generation and Coherent Control of Pulsed Quantum Frequency Combs
06:42

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

9.0K
All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics
11:33

All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics

Published on: January 19, 2018

9.6K

科学领域:

  • 物理 物理学 物理
  • 计算机科学 计算机科学
  • 电气工程 电气工程

背景情况:

  • 抛光机 (IM) 是专门的硬件,旨在进行组合优化.
  • 目前的IM通常依赖于次注射锁定 (SHIL),这需要大量的功率.
  • ·诺伊曼计算架构与大规模优化问题作斗争.

研究的目的:

  • 引入基于合参数频率分隔器 (PFD) 的新一类Ising机器.
  • 与现有的IB相比,证明电力消耗显著降低.
  • 为了验证基于 PFD 的 IM 解决复杂优化任务的能力.

主要方法:

  • 使用合的参数频率分隔器 (PFD) 作为宏观的人工旋转.
  • 用高质量的因子共振器设计PFD,以提高性能.
  • 实现一个4节点的PFD Ising机器作为概念验证.

主要成果:

  • 基于PFD的IM可以实现每旋转纳米瓦级的功耗.
  • 与基于SHIL的IM相比,电力消耗减少了2个数量级.
  • 成功解决了每旋转600纳米瓦的Max-Cut问题.

结论:

  • 对于解决计算上困难的优化问题,PFD 压机是一种高能效的替代方案.
  • 新的PFD方法克服了以前的IM设计的功率限制.
  • 这项技术有望提高人工智能和运营研究中的计算能力.