effective length of antenna

简明释义

天线有效长度

英英释义

例句

1.Adjusting the effective length of antenna can improve reception quality in weak signal areas.

调整天线的有效长度可以改善弱信号区域的接收质量。

2.The effective length of antenna is crucial for determining the radiation pattern of the antenna.

天线的有效长度对于确定天线的辐射模式至关重要。

3.For mobile devices, the effective length of antenna is often shorter due to space constraints.

由于空间限制，移动设备的天线的有效长度通常较短。

4.In order to achieve better performance, engineers often calculate the effective length of antenna based on the frequency of operation.

为了获得更好的性能，工程师通常根据工作频率计算天线的有效长度。

5.The design of the radio transmitter must consider the effective length of antenna to ensure optimal signal transmission.

无线电发射机的设计必须考虑天线的有效长度以确保最佳信号传输。

作文

The study of antennas is a crucial aspect of modern communication systems. One of the key concepts in antenna theory is the effective length of antenna, which plays a significant role in determining how well an antenna can transmit and receive electromagnetic waves. Understanding this concept is essential for engineers and technicians working in fields such as telecommunications, broadcasting, and radar technology.The effective length of antenna refers to the length of an antenna that effectively contributes to the radiation or reception of electromagnetic signals. It is not merely the physical length of the antenna but rather a measure of how efficiently the antenna can interact with the incoming or outgoing waves. The effective length is influenced by various factors, including the frequency of operation, the design of the antenna, and the surrounding environment.In practical terms, the effective length of antenna can be thought of as a representation of how much of the antenna's physical structure is actively participating in the transmission or reception process. For instance, a half-wave dipole antenna has an effective length that is approximately half of the wavelength of the signal it is designed to transmit or receive. This relationship is crucial because it helps engineers design antennas that are optimized for specific frequencies.Moreover, the effective length of antenna can vary depending on the type of antenna. For example, in a loop antenna, the effective length is related to the circumference of the loop rather than its physical dimensions. This variation highlights the importance of understanding the specific characteristics of different types of antennas when evaluating their effectiveness.Another important consideration is the impact of the environment on the effective length of antenna. Antennas do not operate in isolation; they are affected by nearby objects, ground conditions, and atmospheric factors. These environmental influences can change the effective length, leading to variations in performance. Engineers must account for these factors during the design process to ensure optimal functionality.In conclusion, the effective length of antenna is a fundamental concept in antenna theory that significantly affects the performance of communication systems. By understanding this concept, engineers can design more efficient antennas that enhance the quality of signal transmission and reception. As technology continues to advance, the importance of mastering the principles surrounding the effective length will only grow, making it a vital area of study for those involved in the field of communications.In summary, the effective length of antenna (天线的有效长度) is a critical measurement that determines how effectively an antenna can operate. It encompasses not just the physical dimensions of the antenna but also how well it interacts with electromagnetic waves. This understanding is essential for optimizing antenna design and ensuring effective communication across various technologies.

天线研究是现代通信系统的重要组成部分。天线理论中的一个关键概念是天线的有效长度，它在决定天线传输和接收电磁波的能力方面起着重要作用。理解这一概念对于从事电信、广播和雷达技术等领域的工程师和技术人员至关重要。天线的有效长度指的是天线的长度，该长度有效地参与电磁信号的辐射或接收。它不仅仅是天线的物理长度，而是一个衡量天线与进出波的互动效率的指标。有效长度受多种因素的影响，包括工作频率、天线设计和周围环境。在实际应用中，可以将天线的有效长度视为天线物理结构中有效参与传输或接收过程的部分。例如，一个半波偶极子天线的有效长度大约是其设计传输或接收信号的波长的一半。这种关系至关重要，因为它帮助工程师设计针对特定频率优化的天线。此外，不同类型天线的有效长度可能会有所不同。例如，在环形天线中，有效长度与环的周长有关，而不是其物理尺寸。这种变化强调了在评估不同类型天线的有效性时，了解其特定特征的重要性。另一个重要的考虑因素是环境对天线的有效长度的影响。天线并不孤立工作；它们受到附近物体、地面条件和大气因素的影响。这些环境影响可以改变有效长度，从而导致性能的变化。工程师在设计过程中必须考虑这些因素，以确保最佳功能。总之，天线的有效长度是天线理论中的一个基本概念，对通信系统的性能有显著影响。通过理解这一概念，工程师可以设计出更高效的天线，从而提高信号传输和接收的质量。随着技术的不断进步，掌握有效长度相关原理的重要性只会增加，使其成为通信领域从业者的一个重要研究领域。总之，天线的有效长度（有效长度）是一个关键的测量指标，决定了天线的有效操作能力。它不仅包括天线的物理尺寸，还涉及到天线与电磁波的互动效果。这一理解对于优化天线设计和确保各种技术的有效通信至关重要。