antenna area

简明释义

天线面积

英英释义

例句

1.The size of the antenna area affects the signal strength received by the device.

天线区域的大小会影响设备接收到的信号强度。

2.During testing, we found that the antenna area was too small for effective communication.

在测试中，我们发现天线区域对于有效通信来说太小了。

3.Engineers must calculate the antenna area to optimize the performance of the satellite.

工程师必须计算天线区域以优化卫星的性能。

4.Increasing the antenna area can improve the reception in weak signal areas.

增加天线区域可以改善弱信号区域的接收效果。

5.The antenna area is crucial for determining how far signals can travel.

天线区域对确定信号传播距离至关重要。

作文

In the world of telecommunications and radio frequency engineering, understanding the concept of antenna area is crucial for optimizing signal transmission and reception. The antenna area refers to the effective area that an antenna presents to incoming electromagnetic waves. It is a measure of how well an antenna can capture or transmit radio waves. This area is not simply the physical size of the antenna but is influenced by its design, frequency, and the surrounding environment. When designing an antenna, engineers must consider the antenna area to ensure efficient communication. A larger antenna area generally means that the antenna can capture more energy from incoming signals, leading to better performance in terms of range and clarity. For instance, in satellite communications, large dish antennas are used because their substantial antenna area allows them to collect weak signals from distant satellites. Moreover, the antenna area is also significant in determining the gain of the antenna, which is a measure of how much power is transmitted in a particular direction compared to an isotropic radiator. The gain is directly related to the antenna area; therefore, an antenna with a larger effective area will typically have a higher gain. This is particularly important in applications such as cellular networks, where high gain antennas are necessary to maintain strong connections over long distances. In addition to the physical characteristics of the antenna, the antenna area can be affected by external factors such as obstacles and interference from other electronic devices. For example, if an antenna is placed near a large building or in a densely populated urban area, its effective antenna area may be reduced due to signal blockage or scattering. Engineers often conduct site surveys to evaluate these factors before installing antennas to ensure optimal placement and performance. Understanding the antenna area is not only essential for engineers but also for those involved in the planning and deployment of wireless communication systems. For instance, when setting up a new cell tower, planners must calculate the required antenna area to ensure that the tower can adequately cover the intended service area. This involves considering the frequency of operation, the expected user density, and the geographic features of the area. In conclusion, the antenna area plays a pivotal role in the effectiveness of antennas in various communication systems. By grasping the significance of this concept, engineers and planners can design and implement more efficient communication solutions. As technology continues to evolve, the importance of optimizing antenna area will only increase, making it a fundamental aspect of modern telecommunications engineering.

在电信和射频工程的世界中，理解“天线面积”的概念对于优化信号传输和接收至关重要。“天线面积”指的是天线对入射电磁波所呈现的有效面积。这是一个衡量天线捕获或传输无线电波能力的指标。这个面积不仅仅是天线的物理大小，而是受到其设计、频率和周围环境的影响。在设计天线时，工程师必须考虑“天线面积”，以确保通信的有效性。更大的“天线面积”通常意味着天线可以捕获更多来自入射信号的能量，从而在范围和清晰度上提高性能。例如，在卫星通信中，使用大型碟形天线，因为它们巨大的“天线面积”使它们能够从遥远的卫星收集微弱信号。此外，“天线面积”在确定天线增益方面也很重要，增益是指在特定方向上与各向同性辐射源相比，传输的功率量。增益与“天线面积”直接相关；因此，具有更大有效面积的天线通常会有更高的增益。这在蜂窝网络等应用中尤为重要，因为高增益天线对于维持长距离的强连接是必要的。除了天线的物理特性外，“天线面积”还可能受到障碍物和其他电子设备干扰等外部因素的影响。例如，如果天线放置在大型建筑附近或在人口密集的城市区域，其有效“天线面积”可能会因信号阻挡或散射而减少。工程师通常会进行现场勘测，以评估这些因素，然后再安装天线，以确保最佳的放置和性能。理解“天线面积”不仅对工程师至关重要，对于参与无线通信系统规划和部署的人士也是如此。例如，在建立新的基站时，规划者必须计算所需的“天线面积”，以确保塔可以充分覆盖预定的服务区域。这涉及到考虑操作频率、预期用户密度和该区域的地理特征。总之，“天线面积”在各种通信系统中发挥着关键作用。通过掌握这一概念的重要性，工程师和规划者可以设计和实施更高效的通信解决方案。随着技术的不断发展，优化“天线面积”的重要性只会增加，使其成为现代电信工程的基本方面。