horizontal aerial

简明释义

水平天线

英英释义

例句

1.The drone was equipped with a horizontal aerial to capture wide-angle photographs.

这架无人机配备了一个水平天线来拍摄广角照片。

2.For optimal performance, the horizontal aerial should be positioned away from obstructions.

为了获得最佳性能，水平天线应远离障碍物放置。

3.In radio communication, a horizontal aerial can improve signal reception for ground stations.

在无线电通信中，水平天线可以提高地面站的信号接收。

4.We installed a horizontal aerial on the rooftop to enhance our TV signal.

我们在屋顶上安装了一个水平天线以增强电视信号。

5.The engineer recommended using a horizontal aerial for better coverage in urban areas.

工程师建议在城市地区使用水平天线以获得更好的覆盖。

作文

In the realm of telecommunications, the design and implementation of antennas play a crucial role in determining the quality of signal transmission and reception. Among various types of antennas, the horizontal aerial (水平天线) stands out for its unique characteristics and applications. This essay aims to explore the significance of horizontal aerials in modern communication systems, their advantages, and some practical considerations when deploying them.A horizontal aerial is typically oriented parallel to the ground, which allows it to effectively transmit and receive signals over long distances. This orientation is particularly advantageous for certain frequencies and applications. For instance, in amateur radio, operators often utilize horizontal aerials to establish reliable communication links over vast expanses. The horizontal polarization of the signals helps in minimizing interference and improving the overall clarity of the communication.One of the primary benefits of using a horizontal aerial is its ability to provide a broader coverage area. Unlike vertical antennas, which tend to radiate energy in a more concentrated manner, horizontal aerials can disperse signals over a wider geographical range. This feature is especially beneficial for services that require extensive coverage, such as broadcasting and emergency communication systems.Moreover, horizontal aerials are less susceptible to certain types of noise and interference. In urban environments, where buildings and other structures can obstruct signals, having a horizontally polarized antenna can help mitigate some of these challenges. The lower angle of radiation allows the signals to travel more efficiently over obstacles, enhancing the reliability of the communication link.When considering the installation of a horizontal aerial, several factors must be taken into account. First and foremost, the height at which the aerial is mounted significantly influences its performance. Ideally, a horizontal aerial should be installed at a sufficient height to ensure clear line-of-sight to the intended communication targets. Additionally, the surrounding environment, including trees, buildings, and other structures, can impact the effectiveness of the antenna. Therefore, careful planning and site surveys are essential to optimize the performance of a horizontal aerial.Another important aspect to consider is the type of feedline used with the horizontal aerial. The choice of coaxial cable or other types of feedlines can affect the overall efficiency and signal loss. Selecting a high-quality feedline that matches the impedance of the antenna is crucial for maximizing performance.In conclusion, the horizontal aerial (水平天线) plays a vital role in the field of telecommunications, offering numerous advantages for signal transmission and reception. Its ability to provide broad coverage, reduce interference, and improve communication reliability makes it a preferred choice for many applications. However, successful deployment requires careful consideration of installation height, environmental factors, and equipment compatibility. As technology continues to evolve, the importance of effective antenna design, including the use of horizontal aerials, will remain a key component in ensuring efficient communication systems worldwide.