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相关概念视频

Design Example: Resistive Touchscreen01:14

Design Example: Resistive Touchscreen

A device engineer plays a crucial role in designing user interfaces for mobile devices. One such interface is the resistive touchscreen, which fundamentally consists of two metallic layers: a flexible upper layer and a rigid lower layer, separated by a narrow gap. The high resistance between these two layers is a key characteristic of this design.
When a user touches the screen, the two layers make contact at a specific point known as the touchpoint. This contact reduces the resistance between...

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Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor
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智能手机集成的便携式液位和RI传感器基于使用POF合技术的合技术.

Abdul Ghaffar, Mujahid Mehdi, Sadam Hussain

    Optics letters
    |November 4, 2025
    PubMed
    概括

    这项研究介绍了一种便携式双参数光纤传感系统,与智能手机集成,用于同时测量液位和折射率 (RI). 这种新的系统利用智能手机.

    科学领域:

    • 光子学和传感器技术技术
    • 光纤传感传感器是指光纤传感器.
    • 智能手机集成 智能手机集成

    背景情况:

    • 目前的便携式传感器在多点测量方面面临限制,原因是信号脱和集成挑战.
    • 将基于智能手机的传感器扩展到双参数应用程序需要创新的方法.

    研究的目的:

    • 开发一个与智能手机集成的便携式双参数光纤传感系统.
    • 证明系统能够同时测量液体水平和折射率 (RI).

    主要方法:

    • 一个双参数光纤传感器被制造出来,在一个光纤上有两个不同的合区.
    • 智能手机的手电筒和双摄像头系统被分别用作光源和探测器.
    • 传感机制依赖于由RI变化影响的光合调制.

    主要成果:

    • 液位传感器显示范围为0-100毫米,分辨率为0.007毫米.
    • 折射率 (RI) 传感器实现了1.333-1.361 RIU的范围,分辨率为1.03 × 10-4 RIU.
    • 双摄像头系统在一个紧的,可在现场部署的格式中实现了高分辨率的性能.

    结论:

    • 拟议的智能手机集成光纤系统为双参数传感提供了多功能解决方案.

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  • 这项技术使液位和RI的准确和高分辨率的场测量成为可能.
  • 紧且集成的设计可方便便便携和现场分析应用.