antenna beam

简明释义

天线波束

英英释义

例句

1.The satellite's antenna beam is focused on the eastern hemisphere.

卫星的天线波束聚焦在东半球。

2.A narrow antenna beam can provide better range but less area coverage.

狭窄的天线波束可以提供更好的范围，但覆盖面积较小。

3.Engineers tested the antenna beam for optimal coverage.

工程师测试了天线波束以获得最佳覆盖。

4.To improve signal strength, we adjusted the antenna beam angle.

为了提高信号强度，我们调整了天线波束的角度。

5.The antenna beam must be aligned precisely to avoid interference.

必须精确对齐天线波束以避免干扰。

作文

In the field of telecommunications, the concept of an antenna beam plays a crucial role in understanding how signals are transmitted and received. An antenna beam refers to the directional pattern of radio waves emitted by an antenna. This pattern determines how effectively an antenna can send or receive signals from a specific direction. The shape and width of the antenna beam can significantly influence the performance of communication systems, especially in applications such as satellite communications, mobile networks, and broadcasting.Understanding the properties of an antenna beam is essential for optimizing communication systems. A narrow antenna beam allows for higher gain, meaning that the antenna can transmit signals over longer distances with greater clarity. This is particularly important in scenarios where signals need to reach remote locations or traverse obstacles. Conversely, a wider antenna beam provides a broader coverage area, making it suitable for applications like Wi-Fi networks, where multiple users in different directions need to connect simultaneously.The design of an antenna beam is influenced by various factors, including the type of antenna used, the frequency of the signal, and the intended application. For example, parabolic antennas are known for their ability to create a highly focused antenna beam, which is why they are commonly used in satellite dishes. On the other hand, dipole antennas produce a more omnidirectional antenna beam, which is useful for general broadcasting purposes.Moreover, advancements in technology have led to the development of phased array antennas, which can dynamically adjust their antenna beam direction without physically moving the antenna. This capability allows for real-time tracking of mobile objects, such as aircraft or satellites, enhancing communication reliability and efficiency.In conclusion, the antenna beam is a fundamental concept in telecommunications that affects how signals are transmitted and received. By understanding the characteristics of an antenna beam, engineers and technicians can design more effective communication systems that meet the needs of various applications. As technology continues to evolve, the importance of optimizing antenna beams will only increase, paving the way for more advanced and efficient communication methods in the future.

在电信领域，天线波束的概念在理解信号如何传输和接收方面起着至关重要的作用。天线波束指的是天线发射的无线电波的方向性模式。这个模式决定了天线从特定方向发送或接收信号的有效性。天线波束的形状和宽度可以显著影响通信系统的性能，尤其是在卫星通信、移动网络和广播等应用中。理解天线波束的特性对于优化通信系统至关重要。狭窄的天线波束允许更高的增益，这意味着天线可以以更大的清晰度在更长的距离上传输信号。这在信号需要到达偏远地点或穿越障碍物的场景中特别重要。相反，较宽的天线波束提供更广泛的覆盖区域，使其适用于像Wi-Fi网络这样的应用，在这些应用中，多个不同方向的用户需要同时连接。天线波束的设计受到多种因素的影响，包括所使用的天线类型、信号的频率以及预期的应用。例如，抛物面天线以其能够创建高度集中的天线波束而闻名，这就是为什么它们通常用于卫星天线。另一方面，偶极子天线产生更全向的天线波束，这对于一般广播目的非常有用。此外，技术的进步促使相控阵列天线的发展，这种天线可以在不物理移动天线的情况下动态调整其天线波束方向。这种能力允许对移动物体（如飞机或卫星）进行实时跟踪，从而增强通信的可靠性和效率。总之，天线波束是电信中的一个基本概念，影响信号的传输和接收。通过理解天线波束的特性，工程师和技术人员可以设计出更有效的通信系统，以满足各种应用的需求。随着技术的不断发展，优化天线波束的重要性只会增加，为未来更先进、高效的通信方法铺平道路。