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

Difference Equation Solution using z-Transform01:24

Difference Equation Solution using z-Transform

326
The z-transform is a powerful tool for analyzing practical discrete-time systems, often represented by linear difference equations. Solving a higher-order difference equation requires knowledge of the input signal and the initial conditions up to one term less than the order of the equation.
The z-transform facilitates handling delayed signals by shifting the signal in the z-domain, which corresponds to delaying the signal in the time domain, and advancing signals by similarly shifting in the...
326
Ampere-Maxwell's Law: Problem-Solving01:17

Ampere-Maxwell's Law: Problem-Solving

667
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...
667
Linear Approximation in Time Domain01:21

Linear Approximation in Time Domain

101
Nonlinear systems often require sophisticated approaches for accurate modeling and analysis, with state-space representation being particularly effective. This method is especially useful for systems where variables and parameters vary with time or operating conditions, such as in a simple pendulum or a translational mechanical system with nonlinear springs.
For a simple pendulum with a mass evenly distributed along its length and the center of mass located at half the pendulum's length,...
101
Second-order Op Amp Circuits01:19

Second-order Op Amp Circuits

375
Implementing second-order low-pass filters in audio systems is crucial in refining audio signals by eliminating undesirable high-frequency noise. These filters typically involve second-order op-amp circuits configured as voltage followers, encompassing two nodes with distinct storage elements.
The analysis of such circuits follows a systematic approach, similar to the second-order RLC circuits. In practical scenarios, bulky inductors are rarely employed due to their size and weight. This means...
375
Second Order systems II01:18

Second Order systems II

130
In an underdamped second-order system, where the damping ratio ζ is between 0 and 1, a unit-step input results in a transfer function that, when transformed using the inverse Laplace method, reveals the output response. The output exhibits a damped sinusoidal oscillation, and the difference between the input and output is termed the error signal. This error signal also demonstrates damped oscillatory behavior. Eventually, as the system reaches a steady state, the error diminishes to zero.
130
Linear Approximation in Frequency Domain01:26

Linear Approximation in Frequency Domain

110
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....
110

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

Simulation of GHz ultrasonic wave piezoelectric instrumentation for Fourier transform computation.

Scientific reports·2023
Same author

A metalens-based analog computing system for ultrasonic Fourier transform calculations.

Scientific reports·2022
Same author

Adsorptive Removal of Anionic Azo Dye New Coccine Using Silica and Silica-gel with Surface Modification by Polycation.

Polymers·2021
Same author

Detectability of active triangulation range finder: a solar irradiance approach.

Optics express·2016

相关实验视频

Updated: Jul 18, 2025

Microparticle Manipulation by Standing Surface Acoustic Waves with Dual-frequency Excitations
06:51

Microparticle Manipulation by Standing Surface Acoustic Waves with Dual-frequency Excitations

Published on: August 21, 2018

7.1K

使用基于超声波元表面的模拟计算系统解决普通和局部微分方程.

Robert Frederik Uy1, Viet Phuong Bui2

  • 1Hwa Chong Institution, 661 Bukit Timah Road, Singapore, 269734, Singapore. robertfrederikduy@gmail.com.

Scientific reports
|August 18, 2023
PubMed
概括

本研究介绍了一种紧的模拟计算系统,使用超声波和超表面来准确地解决微分方程. 这一创新为高效,芯片兼容的基于波的模拟计算系统铺平了道路.

更多相关视频

Fabrication, Operation and Flow Visualization in Surface-acoustic-wave-driven Acoustic-counterflow Microfluidics
12:26

Fabrication, Operation and Flow Visualization in Surface-acoustic-wave-driven Acoustic-counterflow Microfluidics

Published on: August 27, 2013

17.2K
Fabrication and Characterization of Thickness Mode Piezoelectric Devices for Atomization and Acoustofluidics
10:39

Fabrication and Characterization of Thickness Mode Piezoelectric Devices for Atomization and Acoustofluidics

Published on: August 5, 2020

6.9K

相关实验视频

Last Updated: Jul 18, 2025

Microparticle Manipulation by Standing Surface Acoustic Waves with Dual-frequency Excitations
06:51

Microparticle Manipulation by Standing Surface Acoustic Waves with Dual-frequency Excitations

Published on: August 21, 2018

7.1K
Fabrication, Operation and Flow Visualization in Surface-acoustic-wave-driven Acoustic-counterflow Microfluidics
12:26

Fabrication, Operation and Flow Visualization in Surface-acoustic-wave-driven Acoustic-counterflow Microfluidics

Published on: August 27, 2013

17.2K
Fabrication and Characterization of Thickness Mode Piezoelectric Devices for Atomization and Acoustofluidics
10:39

Fabrication and Characterization of Thickness Mode Piezoelectric Devices for Atomization and Acoustofluidics

Published on: August 5, 2020

6.9K

科学领域:

  • 物理 物理学 物理
  • 计算机科学 计算机科学
  • 材料科学 材料科学 材料科学

背景情况:

  • 基于波的模拟计算提供了高效率和低交叉通话.
  • 现有的低频声系统对于半导体集成来说太庞大了.

研究的目的:

  • 开发一个紧的模拟计算系统 (ACS) 用于解决微分方程.
  • 为了克服当前声学模拟计算的尺寸限制.

主要方法:

  • 利用超声波和超表面之间的相互作用.
  • 使用MATLAB.进行波传播模拟.

主要成果:

  • 证明了ACS在解决普通方程和部分微分方程中的高精度.
  • 提出了一种适合芯片集成的紧型设备.

结论:

  • 开发的ACS推进了基于波的模拟计算.
  • 这项技术对未来的超级计算应用有潜力.