antenna excitation

简明释义

天线激励

英英释义

例句

1.In this experiment, we measured the impact of antenna excitation on the reception quality.

在这项实验中，我们测量了天线激励对接收质量的影响。

2.The team is developing a new method for controlling antenna excitation in real-time.

团队正在开发一种实时控制天线激励的新方法。

3.The research focused on the effects of antenna excitation on signal strength.

该研究集中于天线激励对信号强度的影响。

4.We need to optimize the antenna excitation pattern for better coverage.

我们需要优化天线激励模式以获得更好的覆盖范围。

5.The simulation showed that varying the antenna excitation can lead to different radiation patterns.

模拟显示，改变天线激励可以导致不同的辐射模式。

作文

In the field of telecommunications and electronics, understanding the concept of antenna excitation is crucial for the effective design and operation of various devices. 天线激励 refers to the process by which an antenna is energized to emit or receive electromagnetic waves. This phenomenon is fundamental to how antennas function, whether they are used in mobile phones, satellite communications, or radio broadcasting.The principle behind antenna excitation involves the application of an alternating current (AC) to the antenna structure. When AC flows through the antenna, it generates an oscillating electromagnetic field around it. This field propagates through space, allowing the antenna to transmit signals. Conversely, when an antenna receives a signal, the incoming electromagnetic waves induce a current in the antenna, which is then processed by the connected electronic devices.Different types of antennas can be excited in various ways, depending on their design and intended use. For instance, dipole antennas, one of the simplest forms, are often excited at their center, where the feedline connects. This central excitation creates a symmetrical radiation pattern, making them ideal for many applications. On the other hand, more complex antennas, such as phased array antennas, require multiple points of antenna excitation to achieve precise control over the direction and shape of the emitted beam.The efficiency of antenna excitation plays a significant role in determining the overall performance of communication systems. Factors such as impedance matching, polarization, and bandwidth must be considered to maximize the effectiveness of the antenna. Impedance matching ensures that the maximum amount of power is transferred from the transmitter to the antenna, reducing losses. Polarization refers to the orientation of the electromagnetic waves, which should align with the antenna’s design for optimal reception and transmission. Bandwidth indicates the range of frequencies over which the antenna can operate effectively, which is crucial for modern communication systems that often need to handle multiple frequency bands simultaneously.Moreover, advancements in technology have led to the development of smart antennas that utilize adaptive antenna excitation techniques. These antennas can adjust their excitation patterns in real-time based on the surrounding environment and the specific requirements of the communication system. This adaptability enhances the quality of service and increases the capacity of wireless networks, making them more efficient and reliable.In conclusion, antenna excitation is a vital concept in the realm of wireless communication and electronics. Understanding how antennas are excited helps engineers design better systems that can meet the ever-growing demands for faster and more reliable communication. As technology continues to evolve, the methods and techniques related to antenna excitation will also advance, paving the way for innovations that will shape the future of telecommunications. The study of 天线激励 is not just about understanding a technical term; it is about grasping the essence of how we connect and communicate in an increasingly interconnected world.

在电信和电子领域，理解天线激励的概念对于各种设备的有效设计和操作至关重要。天线激励是指通过电流使天线发射或接收电磁波的过程。这一现象是天线功能的基础，无论它们用于手机、卫星通信还是广播。天线激励的原理涉及将交流电（AC）施加到天线结构上。当交流电流通过天线时，会在其周围产生一个振荡的电磁场。这个场通过空间传播，使天线能够传输信号。相反，当天线接收信号时，入射的电磁波在天线上感应出电流，随后由连接的电子设备进行处理。不同类型的天线可以根据其设计和预期用途以不同的方式被激励。例如，偶极子天线是最简单的形式之一，通常在其中心被激励，即馈线连接的地方。这种中心激励创建了对称的辐射模式，使其适合许多应用。另一方面，更复杂的天线，如相控阵列天线，则需要多个激励点来精确控制发射波束的方向和形状。天线激励的效率在决定通信系统的整体性能方面起着重要作用。必须考虑阻抗匹配、极化和带宽等因素，以最大化天线的有效性。阻抗匹配确保从发射机到天线的最大功率转移，从而减少损耗。极化是指电磁波的方向，应该与天线的设计对齐，以获得最佳的接收和传输效果。带宽表示天线能有效工作的频率范围，这对于现代通信系统尤为重要，因为它们通常需要同时处理多个频段。此外，技术的进步导致了智能天线的开发，这些天线利用自适应天线激励技术。这些天线可以根据周围环境和通信系统的具体需求实时调整其激励模式。这种适应性提高了服务质量，并增加了无线网络的容量，使其更加高效和可靠。总之，天线激励是无线通信和电子领域中的一个重要概念。理解天线如何被激励有助于工程师设计出更好的系统，以满足日益增长的对更快、更可靠通信的需求。随着技术的不断发展，与天线激励相关的方法和技术也将不断进步，为塑造电信未来的创新铺平道路。对天线激励的研究不仅仅是理解一个技术术语，而是把握我们在日益互联的世界中如何连接和沟通的本质。