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相关概念视频

Signal and System01:26

Signal and System

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A signal x(t) is a set of data or a time function representing a variable of interest. Signals typically convey information about a phenomenon, such as atmospheric temperature, humidity, human voice, television images, a dog's bark, or birdsongs. More generally, a signal can be a function of more than one independent variable. For instance, images depend on horizontal and vertical positions and can be regarded as two-dimensional signals. However, this text will focus on one-dimensional...
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Multiple Voltage Sources01:25

Multiple Voltage Sources

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Generally, a single battery is not enough to power some devices. In such cases, batteries can be combined in two ways: in series or in parallel.
In series, the positive terminal of one battery is connected to the negative terminal of another battery. Hence, the voltage of each battery is added to give the net voltage, which is increased because each battery boosts the electrons that enter it. The same current flows through each battery because they are connected in series.
Batteries are...
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Design Example: Capacitance Multiplier Circuit01:20

Design Example: Capacitance Multiplier Circuit

774
In integrated circuit technology, a capacitance multiplier is often utilized to produce a larger capacitance value when a small physical capacitance falls short. This is achieved by a circuit that multiplies capacitance values by a factor of up to 1000, such that a 10-pF capacitor can replicate the performance of a 100-nF capacitor.
The circuit illustrated in Figure 1 below incorporates two op-amps, with the first operating as a voltage follower and the second acting as an inverting amplifier.
774
Fast Decoupled and DC Powerflow01:24

Fast Decoupled and DC Powerflow

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The fast decoupled power flow method addresses contingencies in power system operations, such as generator outages or transmission line failures. This method provides quick power flow solutions, essential for real-time system adjustments. Fast decoupled power flow algorithms simplify the Jacobian matrix by neglecting certain elements, leading to two sets of decoupled equations:
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¹³C NMR: ¹H–¹³C Decoupling01:04

¹³C NMR: ¹H–¹³C Decoupling

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The probability of having two carbon-13 atoms next to each other is negligible because of the low natural abundance of carbon-13. Consequently, peak splitting due to carbon-carbon spin-spin coupling is not observed in spectra. However, protons up to three sigma bonds away split the carbon signal according to the n+1 rule, resulting in complicated spectra.
A broadband decoupling technique is used to simplify these complex, sometimes overlapping, signals. Broadband decoupling relies on a...
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Cascaded Op Amps01:16

Cascaded Op Amps

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Operational amplifiers (op-amps) are versatile electronic components that can be interconnected in a cascade - one after another in a linear sequence. This cascading is possible due to their infinite input resistance and zero output resistance, allowing them to maintain their input-output relationships even when connected in series.
In a cascaded system, each op-amp is referred to as a stage. The output of one stage drives the input of the subsequent stage. As the input signal passes through...
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相关实验视频

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Microfluidic Platform with Multiplexed Electronic Detection for Spatial Tracking of Particles
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基于垂直堆叠策略的灵活多式传感系统,以有效地解多个信号.

Changchao Zhang1,2, Chaozong Liu2, Bo Li1,3

  • 1Key Laboratory of Bionic Engineering (Ministry of Education), Jilin University, Changchun, Jilin 130022, People's Republic of China.

Nano letters
|February 27, 2024
PubMed
概括

一个新的灵活多式传感系统 (FMSS) 使用垂直堆叠,实现紧,高效的多传感集成. 这种方法克服了传统的灵活电子设备的局限性,使得温度和压力可以同时精确地脱.

关键词:
完全灵活的整合方式.生物模拟拉伸式导电薄膜多个信号解的解.压力不敏感的通信接口接口.垂直堆叠策略是一种垂直堆叠策略.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 电子工程 电子工程
  • 生物模拟学是一种生物模拟学.

背景情况:

  • 多感官集成对感知至关重要,但在灵活的电子产品中面临尺寸,能量和复杂性方面的挑战.
  • 传统的水平整合方法 (如PCB) 会导致脱问题,应变限制和空间限制.
  • 现有的灵活电子系统在有效整合多种传感方式方面扎.

研究的目的:

  • 开发一个完全灵活的多式联通传感系统 (FMSS),克服传统集成策略的局限性.
  • 展示一个垂直堆叠集成方法,以提高性能和减少空间足迹.
  • 为了使同时温度和压力传感器的精确解,以及定向拉伸应力检测.

主要方法:

  • 生物仿真伸展导电薄膜 (BSCF) 的开发.
  • 实施垂直堆叠集成策略,将BSCF与不敏感应变的通信接口结合起来.
  • 制造一个无粘合剂的,垂直集成的多式联接传感系统.

主要成果:

  • 在没有额外的粘合剂的情况下,FMSS实现了垂直集成,允许传感层和互连的不受约束的变形.
  • 成功证明了温度和压力传感器的同时和精确的脱.
  • 能够精确地辨别不同方向的拉伸应力.

结论:

  • 开发的垂直堆叠集成策略为设计和制造先进的多式联运传感系统提供了一种简化方法.
  • 这种方法显著提高了灵活的电子传感器的解能力.
  • FMSS为下一代紧型和高性能灵活电子设备提供了一条途径.