transmitting antenna
简明释义
发射天线
英英释义
A transmitting antenna is a device used to convert electrical signals into electromagnetic waves for the purpose of sending information through the air. | 发射天线是一种设备,用于将电信号转换为电磁波,以便通过空气发送信息。 |
例句
1.The transmitting antenna must be aligned correctly to avoid signal loss.
为了避免信号丢失,发射天线必须正确对准。
2.To ensure better coverage, we installed a new transmitting antenna on the rooftop.
为了确保更好的覆盖范围,我们在屋顶上安装了新的发射天线。
3.Our research team is testing the efficiency of the latest transmitting antenna design.
我们的研究团队正在测试最新发射天线设计的效率。
4.The transmitting antenna plays a crucial role in radio communication systems.
发射天线在无线电通信系统中起着至关重要的作用。
5.The signal strength improved significantly after we upgraded the transmitting antenna.
在我们升级了发射天线后,信号强度显著提升。
作文
In the modern world, communication technology has become an integral part of our daily lives. One of the key components that facilitate wireless communication is the transmitting antenna. A transmitting antenna is a device that converts electrical energy into electromagnetic waves and radiates them into the environment. This process allows information to be transmitted over long distances without the need for physical connections. The importance of transmitting antennas can be seen in various applications, from radio broadcasting to mobile phone networks. To understand the role of a transmitting antenna, it is essential to consider how it functions. When a signal is generated, it is sent to the antenna, which then emits this signal as electromagnetic radiation. The design of a transmitting antenna can vary significantly depending on its intended use. For instance, a simple dipole antenna may be used for basic radio transmission, while more complex designs like phased array antennas are employed in advanced telecommunications systems. The effectiveness of a transmitting antenna is determined by several factors, including its frequency, gain, and radiation pattern. Higher frequencies allow for better data transmission rates, while gain refers to the ability of the antenna to direct the radio waves in a specific direction. A well-designed radiation pattern ensures that the signal reaches its intended destination with minimal loss of strength. Moreover, the location and placement of a transmitting antenna are crucial for optimal performance. Antennas should be positioned to avoid obstacles that could interfere with the signal, such as buildings or trees. In urban areas, for example, the placement of a transmitting antenna on a tall tower can help overcome these challenges, allowing signals to propagate effectively across the city. The advancement of technology has led to the development of various types of transmitting antennas, each designed to meet specific communication needs. For instance, satellite communication relies on highly specialized antennas that can transmit signals to and from orbiting satellites. These antennas must be able to handle the vast distances involved and the unique challenges posed by the space environment. Another significant application of transmitting antennas is in the field of broadcasting. Radio and television stations utilize powerful transmitting antennas to reach large audiences. These antennas are strategically placed to maximize coverage area, ensuring that signals can be received by as many listeners and viewers as possible. In conclusion, the transmitting antenna plays a vital role in modern communication systems. Its ability to convert electrical signals into electromagnetic waves enables the wireless transmission of information across vast distances. As technology continues to evolve, the design and functionality of transmitting antennas will also advance, further enhancing our ability to communicate effectively. Understanding the importance of transmitting antennas helps us appreciate the complexities of the technologies we often take for granted in our everyday lives.
在现代社会,通信技术已成为我们日常生活中不可或缺的一部分。促进无线通信的关键组件之一是发射天线。发射天线是一种将电能转换为电磁波并将其辐射到环境中的设备。这个过程使得信息能够在没有物理连接的情况下远距离传输。发射天线的重要性在各种应用中得以体现,从广播到手机网络。要理解发射天线的作用,首先需要考虑它的工作原理。当信号生成时,它会被发送到天线,然后天线将该信号作为电磁辐射发射出去。发射天线的设计可以根据其预期用途而有很大不同。例如,简单的偶极子天线可用于基本的无线电传输,而更复杂的设计如相控阵列天线则用于先进的电信系统。发射天线的有效性取决于多个因素,包括频率、增益和辐射模式。较高的频率可以实现更好的数据传输速率,而增益指的是天线将无线电波定向到特定方向的能力。良好的辐射模式确保信号以最小的强度损失到达预定目的地。此外,发射天线的位置和放置对最佳性能至关重要。天线应放置在避免可能干扰信号的障碍物(如建筑物或树木)的地方。例如,在城市地区,将发射天线放置在高塔上可以帮助克服这些挑战,使信号能够有效传播到城市各个角落。科技的进步导致了各种类型的发射天线的发展,每种天线都旨在满足特定的通信需求。例如,卫星通信依赖于高度专业化的天线,这些天线能够将信号传输到轨道卫星并接收信号。这些天线必须能够处理涉及的巨大距离及太空环境所带来的独特挑战。发射天线的另一个重要应用是广播领域。广播电台和电视台利用强大的发射天线来覆盖大量观众。这些天线被战略性地放置,以最大化覆盖区域,确保信号能够被尽可能多的听众和观众接收。总之,发射天线在现代通信系统中发挥着至关重要的作用。它将电信号转换为电磁波的能力使得信息能够在广阔的距离上无线传输。随着技术的不断发展,发射天线的设计和功能也将不断进步,进一步增强我们有效沟通的能力。理解发射天线的重要性帮助我们欣赏那些我们在日常生活中常常视为理所当然的技术的复杂性。
相关单词