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首页> 外文期刊>IEEE Transactions on Education >A Do-It-Yourself (DIY) Light Wave Sensing and Communication Project: Low-Cost, Portable, Effective, and Fun
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A Do-It-Yourself (DIY) Light Wave Sensing and Communication Project: Low-Cost, Portable, Effective, and Fun

机译：自己自己（DIY）光波传感和通信项目：低成本，便携，有效和有趣

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Contribution: A do-it-yourself (DIY) light wave sensing (LWS) and communication project was developed to generate interest and clarify basic electromagnetic (EM) and wireless sensing/communication concepts among students at different education levels from middle school to undergraduate. This article demonstrates the nature of the project and its preliminary effectiveness. Background: Concepts in wireless sensing and communication are generally considered hard to comprehend being underpinned only by theoretical coursework and occasional simulations. Further, K-12 schools and small academic institutions may not have the resources necessary to produce tangible demonstrations for clarification. The consequent lack of affordable hands-on experiences fails to motivate and engage students. Intended Outcomes: The DIY-LWS is intended to make wireless concepts more understandable and less esoteric by linking fundamental concepts with student-relevant technologies, such as solar cells, visible lights, and smartphones. It is also intended to pique student interest by allowing them to personally assemble, operate, and explore a light-based wireless communication system. Students complete assessments before and after the project to quantify its effectiveness. Application Design: A preliminary assessment is used to determine the student base knowledge level and enthusiasm for wireless and related core topics. Students are instructed to assemble and test their own DIY-LWS hardware to provide a hands-on experience and stimulate further exploration. Short lectures are given to link conceptual ideas to the real-world phenomena students personally observed. Finally, students are reassessed to quantify any change in conceptual understanding. Findings: The DIY-LWS kits have been used in multiple events with students at different levels from secondary to high schools to college. As part of a triangulated assessment methodology, pre- and post-assessments revealed pronounced improvements (the number of correct answers doubled) in student understanding of EM concepts. Instructors observed tremendous interest and excitement among the students during and after the experiments.
机译：贡献：开发了一种自己自己（DIY）光波传感（LWS）和通信项目，以产生兴趣，并在中学到本科的不同教育水平的学生中澄清基本电磁（EM）和无线传感/通信概念。本文展示了该项目的性质及其初步效益。背景：无线传感和沟通的概念通常被认为是难以理解的只是受理论课程和偶尔模拟的基础。此外，K-12学校和小型学术机构可能无法制定澄清所需示威必要的资源。因此缺乏经济实惠的实践经验无法激励和参与学生。预期的结果：DIY-LWS通过将基本概念与学生相关的技术联系起来，使无线概念更加理解，更不舒服，例如太阳能电池，可见光和智能手机。它还旨在通过允许他们亲自组装，操作和探索基于光的无线通信系统来引起学生兴趣。学生在项目前后完成评估，以量化其有效性。应用设计：初步评估用于确定无线和相关核心主题的学生基础知识水平和热情。学生被指示组装和测试自己的DIY-LWS硬件，以提供实践经验并刺激进一步的探索。短暂的讲座将与个人观察到的真实现象的概念思想联系起来。最后，重新评估学生以量化概念理解的任何变化。调查结果：DIY-LWS试剂盒已用于多个事件，学生与学生到高中到大学的不同层次。作为三角化评估方法的一部分，评估前和后期评估显示了在学生理解EM概念中的明显改进（正确答案的数量加倍）。教师在实验期间和之后观察了学生之间的巨大兴趣和兴奋。

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