yagi

简明释义

英[ˈjɑːɡɪ]美[ˈjæɡi]

n. 引向反射天线；八木天线

英英释义

单词用法

同义词

反义词

例句

1.The Finite Difference Time Domain(FDTD) method was used to calculate the Voltage Standing Wave Ratio(VSWR) of a quasi-Yagi antenna.

介绍时域有限差分（FDTD）法计算准八木天线驻波比的算法实现方法。

2.A microstrip Yagi antenna that employs a 2-d EBG (Electromagnetic Band-gap) ground plane as the reflector is presented in this paper.

提出了一种采用二维电磁带隙结构地板为反射器的微带八木天线。

3.In 2007, the descendant Yagi stayed away from tea after his wife died in an accident years ago which he believed is the deed of a curse by the black tea.

时至今日2007年，京都有个歇业已久的八木茶行，其主人八木圭即八木宗右卫门的后代。 数年前某日，因妻子的意外过世，八木圭从此不再碰茶，并笃信八木家族深受 黑金茶诅咒。

4.In 2007, the descendant Yagi stayed away from tea after his wife died in an accident years ago which he believed is the deed of a curse by the black tea.

时至今日2007年，京都有个歇业已久的八木茶行，其主人八木圭即八木宗右卫门的后代。 数年前某日，因妻子的意外过世，八木圭从此不再碰茶，并笃信八木家族深受 黑金茶诅咒。

5.On this site, you can “climb” a tree and read stories in a pop-up book about creatures such as Yagi-Chan, a goat that wears sheep’s clothing.

在这个网站上，你可以爬上一棵树，在一个弹出的书里面读到关于生物（名叫Yagi-Chan，一个穿着绵羊外套的山羊）的故事。

6.The frequency response and radiation characteristics of a microstrip Yagi Array antenna were studied.

研究了微带八木贴片天线的频率响应特性和辐射特性。

7.The yagi 八木天线 is known for its high gain and directivity.

yagi 八木天线因其高增益和定向性而闻名。

8.We installed a yagi 八木天线 on the roof to improve our TV reception.

我们在屋顶上安装了一个yagi 八木天线来改善我们的电视接收。

9.Many amateur radio operators prefer using a yagi 八木天线 because of its directional capabilities.

许多业余无线电爱好者喜欢使用yagi 八木天线，因为它具有定向能力。

10.The engineer designed a new type of yagi 八木天线 for better signal reception.

工程师设计了一种新型的yagi 八木天线以提高信号接收效果。

11.The yagi 八木天线 can be used for both transmission and reception of signals.

yagi 八木天线可用于信号的发射和接收。

作文

The term yagi refers to a specific type of antenna, which is widely used in radio communications. It was invented by the Japanese engineer Hidetsugu Yagi in the 1920s and has become a popular choice for various applications due to its high gain and directivity. A typical yagi antenna consists of multiple elements: a driven element, a reflector, and one or more directors. The arrangement and length of these elements determine the antenna's performance characteristics. One of the key advantages of using a yagi antenna is its ability to focus radio waves in a particular direction. This directional capability makes it ideal for point-to-point communication, such as in amateur radio setups or for receiving signals from distant transmitters. For instance, if you are trying to capture a weak signal from a faraway station, employing a yagi antenna can significantly improve your chances of success. Moreover, the design of a yagi antenna allows it to reject signals coming from unwanted directions, which minimizes interference and enhances the clarity of the received signal. This feature is particularly beneficial in urban environments where multiple signals might be present. By pointing the yagi antenna towards the desired source, users can enjoy a clearer and more reliable communication experience. In addition to its use in amateur radio, the yagi antenna has found applications in television broadcasting and reception. Many people use yagi antennas to improve their TV signal reception, especially in rural areas where signals may be weak. By installing a yagi antenna on their rooftops and orienting it towards the nearest broadcast tower, viewers can enhance their picture quality and reduce pixelation or signal loss. Despite its many advantages, there are some considerations to keep in mind when using a yagi antenna. First, the physical size of the antenna can be a limiting factor, as larger antennas may not be practical for all users. Additionally, proper installation and alignment are crucial; even a slight misalignment can lead to significant losses in signal strength. Therefore, users should take care to ensure that their yagi antenna is correctly positioned and securely mounted. In conclusion, the yagi antenna represents a remarkable engineering achievement that has greatly contributed to the field of telecommunications. Its unique design and functionality make it an invaluable tool for both amateur radio enthusiasts and professionals alike. Understanding how to effectively utilize a yagi antenna can open up new possibilities for communication, allowing users to connect with others over vast distances. As technology continues to evolve, the yagi antenna remains relevant, demonstrating the enduring importance of innovative designs in enhancing our ability to communicate. In summary, a yagi (八木天线) is not just a simple piece of equipment; it embodies the principles of physics and engineering that enable us to explore the invisible waves that connect us all.

术语yagi指的是一种特定类型的天线，广泛用于无线通信。它由日本工程师八木秀次在20世纪20年代发明，由于其高增益和方向性，已成为各种应用的热门选择。一个典型的yagi天线由多个元件组成：驱动元件、反射器和一个或多个导向器。这些元件的排列和长度决定了天线的性能特征。使用yagi天线的主要优点之一是其能够将无线电波集中在特定方向。这种方向能力使其非常适合点对点通信，例如业余无线电设置或接收来自远方发射器的信号。例如，如果您试图捕捉来自遥远站点的微弱信号，采用yagi天线可以显著提高成功的机会。此外，yagi天线的设计使其能够拒绝来自不必要方向的信号，从而最小化干扰并增强接收到的信号的清晰度。这一特点在城市环境中尤为有利，因为多个信号可能同时存在。通过将yagi天线指向所需源，用户可以享受更清晰、更可靠的通信体验。除了在业余无线电中的应用，yagi天线也在电视广播和接收中找到了应用。许多人使用yagi天线来改善电视信号接收，尤其是在信号较弱的农村地区。通过在屋顶上安装yagi天线并将其对准最近的广播塔，观众可以提高画质，减少像素化或信号丢失。尽管有许多优点，但在使用yagi天线时需要考虑一些因素。首先，天线的物理尺寸可能是一个限制因素，因为较大的天线可能并不适合所有用户。此外，正确的安装和对齐至关重要；即使是轻微的错位也会导致信号强度显著下降。因此，用户应注意确保其yagi天线正确定位并安全固定。总之，yagi天线代表了一项显著的工程成就，对电信领域作出了巨大贡献。其独特的设计和功能使其成为业余无线电爱好者和专业人士不可或缺的工具。理解如何有效利用yagi天线可以为通信开辟新的可能性，使用户能够在广阔的距离上与他人连接。随着技术的不断发展，yagi天线仍然保持相关性，展示了创新设计在增强我们沟通能力方面的重要性。总之，yagi（八木天线）不仅仅是一件简单的设备；它体现了物理学和工程学的原理，使我们能够探索连接我们所有人的无形波动。