search coil

简明释义

探察线圈

英英释义

例句

1.We need to calibrate the search coil before starting the survey.

在开始调查之前，我们需要校准搜索线圈。

2.By adjusting the frequency of the search coil, we can improve detection accuracy.

通过调整搜索线圈的频率，我们可以提高探测精度。

3.The scientist demonstrated how the search coil works in electromagnetic experiments.

科学家演示了搜索线圈在电磁实验中的工作原理。

4.The engineer used a search coil to locate the buried cables.

工程师使用了一个搜索线圈来定位埋藏的电缆。

5.A search coil is essential in metal detectors for finding hidden objects.

在金属探测器中，搜索线圈对于寻找隐藏物体是必不可少的。

作文

In the field of electromagnetic theory, a significant component is the search coil, which plays a crucial role in measuring magnetic fields. A search coil is essentially a loop or coil of wire that is used to detect changes in magnetic flux. When this coil is placed in a varying magnetic field, an electromotive force (EMF) is induced in the coil according to Faraday's law of electromagnetic induction. This principle is fundamental in various applications, including scientific research, industrial processes, and even in everyday technologies such as metal detectors.The design of a search coil can vary based on its intended use. For instance, in metal detection, the coil is often designed to be lightweight and portable, allowing users to easily sweep it over the ground. The sensitivity of a search coil is paramount; it needs to be able to detect small changes in magnetic fields to identify buried metals or other anomalies. The size and number of turns in the coil can significantly affect its performance. A larger coil usually has a greater detection range, while a smaller coil can provide better sensitivity to smaller objects.In laboratory settings, search coils are utilized in experiments to study electromagnetic waves and their interactions with different materials. Researchers may use multiple coils to create a more comprehensive understanding of magnetic fields in a given area. By analyzing the signals generated by these coils, scientists can infer properties about the materials being studied, such as their conductivity and permeability.Moreover, search coils are also integral to the operation of various electronic devices. For example, in audio equipment, they can be found in microphones and speakers where they help convert sound waves into electrical signals and vice versa. The efficiency and quality of sound reproduction can heavily rely on the design and quality of the search coil within these devices.In conclusion, the search coil is a vital tool in both theoretical and applied physics. Its ability to measure and respond to magnetic fields makes it indispensable in many fields, from geology and archaeology to engineering and consumer electronics. Understanding how a search coil works not only enhances our knowledge of electromagnetic phenomena but also opens up possibilities for innovative applications in technology and industry. As we continue to explore the complexities of magnetism, the search coil will undoubtedly remain a key instrument in our toolkit, helping us unlock new discoveries and advancements in science and technology.

在电磁理论领域，一个重要的组成部分是搜索线圈，它在测量磁场中发挥着关键作用。搜索线圈本质上是一个线圈或导线圈，用于检测磁通量的变化。当这个线圈放置在变化的磁场中时，根据法拉第电磁感应定律，会在线圈中感应出电动势（EMF）。这一原理在科学研究、工业过程，甚至日常技术，如金属探测器等各种应用中都是基础。搜索线圈的设计可以根据其预期用途而有所不同。例如，在金属探测中，线圈通常被设计得轻便且便于携带，使用户能够轻松地在地面上扫动。搜索线圈的灵敏度至关重要；它需要能够检测到磁场中的微小变化，以识别埋藏的金属或其他异常。线圈的大小和圈数会显著影响其性能。较大的线圈通常具有更大的探测范围，而较小的线圈可以对较小物体提供更好的灵敏度。在实验室环境中，搜索线圈被用于研究电磁波及其与不同材料的相互作用。研究人员可能使用多个线圈来更全面地理解给定区域的磁场。通过分析这些线圈产生的信号，科学家可以推断出被研究材料的特性，例如它们的导电性和磁导率。此外，搜索线圈在各种电子设备的操作中也是不可或缺的。例如，在音频设备中，它们可以在麦克风和扬声器中找到，在这些设备中，它们帮助将声波转换为电信号，反之亦然。声音再现的效率和质量可能在很大程度上依赖于这些设备内搜索线圈的设计和质量。总之，搜索线圈是理论和应用物理学中的重要工具。它测量和响应磁场的能力使其在许多领域中不可或缺，从地质学和考古学到工程和消费电子产品。了解搜索线圈的工作原理不仅增强了我们对电磁现象的认识，还为技术和工业中的创新应用开辟了可能性。随着我们继续探索磁性的复杂性，搜索线圈无疑将继续作为我们工具箱中的关键仪器，帮助我们解锁科学和技术中的新发现和进步。