directional receiver

简明释义

接收定向信号的接收机

英英释义

例句

1.The engineer explained how the directional receiver 定向接收器 can enhance signal quality in urban areas.

工程师解释了<方向接收器>如何在城市地区增强信号质量。

2.Using a directional receiver 定向接收器, we were able to pinpoint the source of the interference.

使用<定向接收器>，我们能够准确找到干扰源。

3.The directional receiver 定向接收器 is essential for amateur radio operators to improve communication range.

对于业余无线电操作员来说，<定向接收器>是提高通信范围的关键。

4.In surveillance operations, a directional receiver 定向接收器 helps in capturing specific audio from a distance.

在监视操作中，<定向接收器>有助于从远处捕捉特定音频。

5.The team used a directional receiver 定向接收器 to track the location of the lost drone.

团队使用<定向接收器>来追踪丢失无人机的位置。

作文

In the field of telecommunications and radio technology, the concept of a directional receiver (定向接收器) plays a crucial role in enhancing the quality and clarity of signal reception. Unlike omnidirectional receivers, which capture signals from all directions equally, a directional receiver (定向接收器) is designed to focus on signals coming from a specific direction while minimizing interference from other sources. This capability is particularly beneficial in environments where multiple signals may overlap, such as urban areas with numerous broadcasting stations. The functionality of a directional receiver (定向接收器) is rooted in its antenna design. These antennas are often shaped to create a narrow beam of sensitivity, allowing them to pick up signals from a designated source with greater accuracy. For example, in a scenario where a user is trying to receive a weak signal from a distant radio station, using a directional receiver (定向接收器) can significantly improve the chances of capturing that signal without the noise and distortion that might come from other, unwanted transmissions. Moreover, directional receivers (定向接收器) are widely used in various applications, including amateur radio, aviation communication, and even in certain types of wireless networking. In amateur radio, operators often employ these receivers to enhance their ability to communicate over long distances. By focusing on a specific direction, they can establish clearer connections and reduce the likelihood of interference from other operators. Similarly, in aviation, pilots rely on directional receivers (定向接收器) to accurately navigate and communicate with air traffic control, ensuring safety and efficiency during flights. Another significant advantage of using a directional receiver (定向接收器) is its ability to enhance privacy and security in communications. By limiting the reception range to a specific direction, it becomes more challenging for unauthorized parties to intercept the signals being transmitted. This feature is particularly important in military and government communications, where confidentiality is paramount. While the benefits of directional receivers (定向接收器) are evident, it is essential to consider the limitations as well. The primary drawback lies in their directional nature; if the source of the signal moves out of the focused beam, the reception quality can deteriorate rapidly. Therefore, users must be aware of the orientation of their directional receiver (定向接收器) and adjust it accordingly to maintain optimal performance. In conclusion, the directional receiver (定向接收器) is an invaluable tool in the realm of radio technology, providing enhanced signal clarity, reduced interference, and improved security. Its applications are vast, spanning across various fields such as amateur radio, aviation, and secure communications. Understanding how to effectively utilize a directional receiver (定向接收器) can lead to significant improvements in communication quality, making it a critical component for anyone involved in radio technology or telecommunications. As technology continues to advance, the importance of such specialized equipment will only grow, further emphasizing the need for effective communication solutions in an increasingly connected world.

在电信和无线电技术领域，定向接收器的概念在提高信号接收的质量和清晰度方面起着至关重要的作用。与从所有方向均匀捕获信号的全向接收器不同，定向接收器旨在专注于来自特定方向的信号，同时最小化来自其他来源的干扰。这种能力在多个信号可能重叠的环境中尤为有益，例如广播站众多的城市地区。定向接收器的功能源于其天线设计。这些天线通常被设计成创建一个狭窄的灵敏度波束，使它们能够更准确地接收来自指定源的信号。例如，在用户试图接收来自远处无线电台的微弱信号的情况下，使用定向接收器可以显著提高捕获该信号的机会，而不受来自其他不必要传输的噪声和失真的影响。此外，定向接收器广泛应用于各种应用中，包括业余无线电、航空通信，甚至某些类型的无线网络。在业余无线电中，操作员经常使用这些接收器来增强他们在长距离通信中的能力。通过专注于特定方向，他们可以建立更清晰的连接，并减少其他操作员的干扰。同样，在航空领域，飞行员依靠定向接收器准确导航并与空中交通管制进行通信，确保飞行的安全和效率。使用定向接收器的另一个显著优势是增强通信的隐私和安全性。通过将接收范围限制在特定方向，未经授权的第三方更难以拦截正在传输的信号。这一特性在军事和政府通信中尤为重要，因为保密性至关重要。虽然定向接收器的好处显而易见，但考虑到其局限性也很重要。主要缺点在于其方向性；如果信号源移出聚焦波束，接收质量可能迅速下降。因此，用户必须了解其定向接收器的方向，并相应调整，以保持最佳性能。总之，定向接收器是无线电技术领域中不可或缺的工具，提供增强的信号清晰度、减少干扰和改善安全性。它的应用广泛，涵盖业余无线电、航空和安全通信等多个领域。有效利用定向接收器的理解可以显著改善通信质量，使其成为任何参与无线电技术或电信的人士的重要组成部分。随着技术的不断进步，这种专业设备的重要性只会增加，进一步强调了在日益互联的世界中对有效通信解决方案的需求。