coil antenna

简明释义

环形天线

英英释义

例句

1.The design of the coil antenna allows it to be compact and portable.

该线圈天线的设计使其既紧凑又便于携带。

2.For better reception, consider using a coil antenna instead of a standard one.

为了获得更好的接收效果，考虑使用线圈天线而不是标准天线。

3.The coil antenna is particularly effective in receiving low-frequency signals.

该线圈天线在接收低频信号方面特别有效。

4.We installed a coil antenna on the roof to enhance our Wi-Fi coverage.

我们在屋顶上安装了一个线圈天线以增强我们的Wi-Fi覆盖范围。

5.The radio receiver uses a coil antenna to improve signal strength.

收音机接收器使用线圈天线来增强信号强度。

作文

In the world of telecommunications and electronics, antennas play a crucial role in enabling wireless communication. One type of antenna that has gained significant attention is the coil antenna. A coil antenna is a compact and efficient design that utilizes a coil of wire to transmit and receive radio waves. Its unique structure allows it to operate effectively at various frequencies while maintaining a small footprint, making it ideal for portable devices. The principle behind a coil antenna is based on electromagnetic induction. When an alternating current flows through the coil, it generates a magnetic field that can interact with electromagnetic waves in the environment. This interaction allows the antenna to pick up signals or transmit them over distances. The size of the coil and the number of turns in the wire are critical factors that influence the performance of the coil antenna. Generally, a larger coil can capture lower frequencies, while a smaller coil is better suited for higher frequencies.One of the primary advantages of using a coil antenna is its ability to be miniaturized. As technology advances, the demand for smaller and more efficient devices continues to grow. From smartphones to wearable tech, the need for compact antennas is more important than ever. The coil antenna fits perfectly into this trend, allowing manufacturers to design sleek and lightweight products without compromising on performance. Moreover, coil antennas are versatile and can be used in various applications. They are commonly found in RFID (Radio Frequency Identification) systems, where they help in tracking and identifying objects wirelessly. Additionally, these antennas are also used in amateur radio, remote controls, and even in some medical devices, showcasing their adaptability across different fields. However, like any technology, coil antennas have their limitations. One notable challenge is their bandwidth. While they can be designed to operate at specific frequencies, their performance may degrade when trying to capture signals outside their intended range. This characteristic can be problematic in environments where multiple frequency bands are in use. Engineers and designers must carefully consider these factors when implementing coil antennas in their projects. In conclusion, the coil antenna represents a significant advancement in antenna technology, offering a compact and effective solution for various wireless communication needs. Its ability to transmit and receive signals efficiently while maintaining a small size has made it a popular choice in modern electronic devices. As we move forward into an increasingly connected world, the importance of innovations like the coil antenna will only continue to grow, paving the way for new possibilities in communication technology.

在电信和电子学的世界中，天线发挥着至关重要的作用，使无线通信成为可能。其中一种备受关注的天线类型是线圈天线。线圈天线是一种紧凑而高效的设计，它利用一段线圈来传输和接收无线电波。其独特的结构使其能够在各种频率下有效运行，同时保持小巧的外形，非常适合便携式设备。线圈天线的原理基于电磁感应。当交流电流通过线圈时，它会产生一个磁场，可以与环境中的电磁波相互作用。这种相互作用使得天线能够接收信号或将其传输到远处。线圈的大小和线圈中绕的圈数是影响线圈天线性能的关键因素。通常，较大的线圈可以接收较低的频率，而较小的线圈更适合用于较高的频率。使用线圈天线的一大主要优势是其微型化能力。随着技术的进步，对更小、更高效设备的需求不断增长。从智能手机到可穿戴技术，对紧凑型天线的需求比以往任何时候都重要。线圈天线完美契合这一趋势，使制造商能够设计出时尚轻便的产品，而不牺牲性能。此外，线圈天线具有多功能性，可用于各种应用。它们通常出现在RFID（射频识别）系统中，在这些系统中，它们帮助无线跟踪和识别物体。此外，这些天线还用于业余无线电、遥控器，甚至一些医疗设备，展示了它们在不同领域的适应性。然而，像任何技术一样，线圈天线也有其局限性。一个显著的挑战是其带宽。虽然可以设计其在特定频率下工作，但在尝试捕捉超出其预期范围的信号时，其性能可能会下降。这一特性在多个频率带同时使用的环境中可能会带来问题。工程师和设计师在其项目中实施线圈天线时必须仔细考虑这些因素。总之，线圈天线代表了天线技术的重大进步，为各种无线通信需求提供了一种紧凑而有效的解决方案。它在保持小巧尺寸的同时高效传输和接收信号的能力，使其成为现代电子设备的热门选择。随着我们迈向一个日益互联的世界，像线圈天线这样的创新的重要性只会继续增长，为通信技术的新可能性铺平道路。