antenna illumination

简明释义

天线照明

英英释义

例句

1.The engineer adjusted the parameters to optimize the antenna illumination for better signal reception.

工程师调整了参数，以优化天线照明以获得更好的信号接收。

2.The design of the radar system incorporates advanced techniques for optimal antenna illumination.

雷达系统的设计结合了先进技术，以实现最佳的天线照明。

3.In satellite communications, antenna illumination is crucial for ensuring that the signal covers the intended area.

在卫星通信中，天线照明对于确保信号覆盖预定区域至关重要。

4.Proper antenna illumination can significantly reduce interference from other signals.

适当的天线照明可以显著减少来自其他信号的干扰。

5.The team conducted tests to measure the effectiveness of antenna illumination in various weather conditions.

团队进行了测试，以测量在各种天气条件下天线照明的有效性。

作文

In the realm of telecommunications and radio frequency engineering, the concept of antenna illumination plays a crucial role in determining the performance of an antenna system. 天线照明 refers to the distribution of power across the aperture of an antenna, which directly affects how effectively the antenna can transmit or receive signals. Understanding this concept is essential for engineers and technicians who design and implement communication systems.Antenna systems are designed to radiate electromagnetic waves, and the efficiency of this radiation is highly dependent on how well the antenna is illuminated. When we talk about antenna illumination, we are essentially discussing the way in which the energy is distributed across the surface of the antenna. This distribution can be uniform or non-uniform, and it can significantly impact the antenna's gain, directivity, and overall performance.For instance, in a parabolic reflector antenna, the antenna illumination needs to be optimized to ensure that the majority of the energy is focused on the main lobe of the radiation pattern. If the illumination is too wide, it may cause spillover losses, where energy is wasted outside the desired direction. Conversely, if the illumination is too narrow, it may lead to a decrease in the antenna's effective aperture, resulting in lower gain and reduced signal quality.Moreover, the design of the feed system plays a pivotal role in achieving optimal antenna illumination. The feed must be carefully positioned and configured to provide the right level of illumination across the antenna's aperture. This involves considering factors such as the feed's size, shape, and radiation pattern. Engineers often use simulation software to model the illumination patterns and make adjustments accordingly to maximize performance.In addition to practical applications, antenna illumination is also a critical factor in theoretical studies of antenna behavior. Researchers analyze different illumination techniques to understand their effects on various antenna types, including dipole, monopole, and array antennas. By exploring these relationships, they can develop new designs that push the boundaries of what is possible in wireless communication.Furthermore, the importance of antenna illumination extends beyond just the technical aspects; it also has implications for emerging technologies such as 5G and satellite communications. As demand for higher data rates and more reliable connections increases, optimizing antenna performance becomes paramount. Engineers are continually looking for innovative ways to improve antenna illumination to meet these demands, whether through advanced materials, novel geometries, or enhanced signal processing techniques.In conclusion, the concept of antenna illumination is integral to the field of antenna design and performance. It encompasses a variety of factors that affect how antennas operate and interact with electromagnetic waves. By understanding and optimizing antenna illumination, engineers can create more efficient and effective communication systems that cater to the evolving needs of society. As technology continues to advance, the significance of this concept will only grow, underscoring the need for ongoing research and innovation in the field of antenna engineering.

在电信和射频工程领域，天线照明的概念在确定天线系统的性能方面发挥着至关重要的作用。天线照明是指天线孔径上功率的分布，这直接影响天线传输或接收信号的有效性。理解这一概念对于设计和实施通信系统的工程师和技术人员至关重要。天线系统旨在辐射电磁波，而这种辐射的效率高度依赖于天线的照明效果。当我们谈论天线照明时，我们实际上是在讨论能量在天面上的分布。这种分布可以是均匀的，也可以是非均匀的，并且会显著影响天线的增益、指向性和整体性能。例如，在抛物面反射天线中，天线照明需要进行优化，以确保大多数能量集中在辐射模式的主瓣上。如果照明过宽，可能会导致溢出损失，即能量在所需方向之外浪费。相反，如果照明过窄，可能会导致天线有效孔径的减少，从而降低增益和信号质量。此外，馈电系统的设计在实现最佳天线照明方面起着关键作用。馈电必须经过仔细定位和配置，以在天线孔径上提供适当水平的照明。这涉及考虑馈电的大小、形状和辐射模式等因素。工程师通常使用仿真软件来模拟照明模式，并根据需要进行调整，以最大化性能。除了实际应用，天线照明在天线行为的理论研究中也是一个关键因素。研究人员分析不同的照明技术，以了解它们对各种天线类型（包括偶极子、单极子和阵列天线）的影响。通过探索这些关系，他们可以开发出推动无线通信可能性的新的设计。此外，天线照明的重要性不仅限于技术方面；它还对5G和卫星通信等新兴技术具有影响。随着对更高数据速率和更可靠连接的需求增加，优化天线性能变得至关重要。工程师们不断寻找创新的方法来改善天线照明以满足这些需求，无论是通过先进的材料、新颖的几何形状，还是增强的信号处理技术。总之，天线照明的概念对于天线设计和性能领域至关重要。它包含了影响天线操作和与电磁波相互作用的各种因素。通过理解和优化天线照明，工程师可以创建更高效、更有效的通信系统，以满足社会不断变化的需求。随着技术的不断进步，这一概念的重要性只会增加，凸显了在天线工程领域持续研究和创新的必要性。