turnstile antenna

简明释义

绕杆式天线

英英释义

例句

1.Engineers recommended a turnstile antenna for the project due to its omnidirectional capabilities.

由于其全向能力，工程师建议该项目使用转门天线。

2.The turnstile antenna is particularly useful for broadcasting in urban environments with many obstacles.

在有许多障碍物的城市环境中，转门天线特别有用。

3.The technician installed a turnstile antenna to enhance the signal reception for the new wireless system.

技术人员安装了一个转门天线以增强新无线系统的信号接收。

4.During the field test, the turnstile antenna proved to be effective in reducing interference.

在现场测试中，转门天线被证明有效减少了干扰。

5.To achieve better coverage, we decided to use a turnstile antenna on the rooftop.

为了获得更好的覆盖，我们决定在屋顶上使用一个转门天线。

作文

In the world of telecommunications and radio frequency engineering, various types of antennas serve different purposes. One such antenna that has gained recognition for its unique design and functionality is the turnstile antenna. The turnstile antenna is a type of antenna that is commonly used for broadcasting and receiving signals in a horizontal plane. Its distinctive structure consists of two dipole antennas arranged orthogonally, which allows it to effectively radiate and receive signals in multiple directions. This feature makes the turnstile antenna particularly advantageous in applications where omnidirectional coverage is required.The primary advantage of the turnstile antenna lies in its ability to provide a uniform radiation pattern. Unlike traditional antennas that may have directional characteristics, the turnstile antenna can transmit and receive signals equally well from all angles in the horizontal plane. This is crucial for communication systems that need to maintain connectivity with moving objects, such as vehicles or aircraft, where the orientation of the receiver may change frequently.Another significant aspect of the turnstile antenna is its simplicity and ease of construction. It can be built using basic materials like copper wire and PVC pipes, making it an accessible option for amateur radio enthusiasts and professionals alike. The design also allows for easy tuning and adjustment, enabling users to optimize the antenna's performance based on their specific requirements.In practical applications, the turnstile antenna is often employed in satellite communications, television broadcasting, and even in some wireless communication systems. For instance, in the field of amateur radio, operators utilize the turnstile antenna to establish reliable communication over long distances, especially during events like contests or emergencies where effective communication is vital.Moreover, the turnstile antenna can be mounted at various heights and orientations, providing flexibility in deployment. This adaptability makes it suitable for urban environments where obstacles may interfere with signal propagation. By strategically placing the turnstile antenna, users can enhance their overall communication range and reliability.Despite its many advantages, the turnstile antenna does have some limitations. One notable drawback is its performance in terms of gain compared to more specialized antennas. While it excels in omnidirectional coverage, it may not achieve the same level of signal strength as directional antennas designed for specific purposes. Therefore, users must consider their communication needs when selecting the appropriate antenna type.In conclusion, the turnstile antenna represents a versatile and effective solution for various communication challenges. Its omnidirectional capabilities, ease of construction, and adaptability make it a popular choice among engineers and hobbyists. As technology continues to advance, the turnstile antenna will likely remain a relevant and valuable tool in the ever-evolving landscape of telecommunications. Understanding the principles behind its operation and applications can empower individuals to leverage this technology effectively in their communication endeavors.

在电信和射频工程的世界中，各种类型的天线用于不同的目的。其中一种因其独特的设计和功能而受到认可的天线是转阀天线。转阀天线是一种常用于在水平面上广播和接收信号的天线。它的独特结构由两个正交排列的偶极子天线组成，使其能够有效地在多个方向上辐射和接收信号。这一特性使得转阀天线在需要全向覆盖的应用中尤为有利。转阀天线的主要优点在于其提供均匀的辐射模式。与传统可能具有方向特性的天线不同，转阀天线能够在水平面上的所有角度均匀地传输和接收信号。这对于需要与移动物体（如车辆或飞机）保持连接的通信系统至关重要，因为接收器的方向可能会频繁变化。转阀天线的另一个显著特点是其简单性和易于构建。它可以使用铜线和PVC管等基本材料构建，使其成为业余无线电爱好者和专业人士都能轻松获取的选择。该设计还允许简单的调谐和调整，使用户能够根据特定需求优化天线性能。在实际应用中，转阀天线通常用于卫星通信、电视广播，甚至某些无线通信系统。例如，在业余无线电领域，操作员利用转阀天线在长距离上建立可靠的通信，特别是在竞赛或紧急情况下，有效的通信至关重要。此外，转阀天线可以以各种高度和方向进行安装，提供部署灵活性。这种适应性使其适合城市环境，在这些环境中，障碍物可能会干扰信号传播。通过战略性地放置转阀天线，用户可以增强整体通信范围和可靠性。尽管有许多优点，转阀天线确实存在一些局限性。一个显著的缺点是与更专业的天线相比，其增益性能。虽然它在全向覆盖方面表现出色，但可能无法达到专为特定目的设计的方向性天线的相同信号强度。因此，用户在选择适当的天线类型时必须考虑其通信需求。总之，转阀天线代表了一种多功能且有效的解决方案，用于各种通信挑战。其全向能力、易于构建和适应性使其成为工程师和爱好者的热门选择。随着技术的不断进步，转阀天线可能仍将是电信领域不断发展的重要工具。理解其操作原理和应用可以使个人有效利用这一技术，以满足其通信需求。