fixed antenna

简明释义

固定天线

英英释义

例句

1.The fixed antenna helps in maintaining a clear line of sight for optimal performance.

这个固定天线有助于保持清晰的视线以获得最佳性能。

2.During the installation of the radio system, we used a fixed antenna for better reception.

在无线电系统的安装过程中，我们使用了一个固定天线以获得更好的接收效果。

3.The satellite dish is equipped with a fixed antenna to ensure a stable signal.

卫星碟形天线配备了一个固定天线以确保信号稳定。

4.The fixed antenna on the roof provides excellent coverage for our wireless network.

屋顶上的固定天线为我们的无线网络提供了极好的覆盖。

5.For the marine communication system, a fixed antenna is essential for reliable connectivity.

对于海洋通信系统，固定天线是可靠连接的必需品。

作文

In today's world, communication technology plays a crucial role in connecting people across vast distances. One of the key components of this technology is the use of antennas. Among various types of antennas, the fixed antenna (固定天线) stands out due to its specific applications and advantages. A fixed antenna is designed to remain stationary and is typically mounted on rooftops, towers, or other structures. This stability allows it to maintain a consistent orientation towards the signal source, which is essential for reliable communication.The primary function of a fixed antenna is to transmit and receive radio frequency signals. These antennas are commonly used in various fields, including telecommunications, broadcasting, and satellite communications. For instance, in television broadcasting, a fixed antenna can capture signals from a transmitter and relay them to viewers’ homes, ensuring that they receive high-quality audio and video content.One of the advantages of using a fixed antenna is its ability to provide a strong and stable connection. Since it does not move, the alignment with the signal source remains constant, reducing the chances of interference and signal loss. This is particularly important in urban environments where buildings and other structures can obstruct signals. By utilizing a fixed antenna, users can enjoy uninterrupted service and better overall performance.Moreover, fixed antennas are often more cost-effective than their mobile counterparts. Once installed, they require minimal maintenance and do not incur additional costs associated with movement or repositioning. This makes them an attractive option for businesses and individuals who rely on consistent communication services.In recent years, advancements in technology have led to the development of more sophisticated fixed antennas. These modern antennas can operate across a wide range of frequencies, allowing them to support various communication standards. This versatility means that a single fixed antenna can be used for multiple purposes, such as internet access, television broadcasting, and even emergency communication systems.However, it is essential to consider the placement of a fixed antenna to maximize its effectiveness. Factors such as height, location, and surrounding obstacles can significantly impact performance. For instance, installing a fixed antenna on a tall tower can enhance its ability to capture signals from distant sources, while placing it in a valley may hinder its performance due to obstructions.In conclusion, the fixed antenna (固定天线) is a vital component of modern communication systems. Its ability to provide stable and reliable connections makes it indispensable in various applications, from broadcasting to telecommunications. As technology continues to evolve, the role of fixed antennas will likely expand, further enhancing our ability to communicate effectively across the globe. Understanding the importance and functionality of a fixed antenna is essential for anyone interested in the field of communication technology, as it represents a foundational element that supports our interconnected world.