two-band receiver

简明释义

双波段接收机

英英释义

例句

1.For outdoor adventures, I always bring my two-band receiver to stay updated on weather reports.

在户外探险时，我总是带上我的双频接收器，以便及时获取天气报告。

2.I upgraded my old radio to a two-band receiver for better sound quality.

我把旧收音机升级为双频接收器以获得更好的音质。

3.The new model of the radio features a two-band receiver that can pick up both AM and FM signals.

这款新型号的收音机配备了一个双频接收器，可以接收AM和FM信号。

4.The two-band receiver is essential for amateur radio operators who want to communicate across different frequencies.

对于希望在不同频率之间进行通信的业余无线电操作员来说，双频接收器是必不可少的。

5.The two-band receiver in my car allows me to listen to my favorite stations without interference.

我车里的双频接收器让我能够无干扰地收听我最喜欢的电台。

作文

In the world of communication technology, the term two-band receiver refers to a device capable of receiving signals on two different frequency bands. This capability allows users to access a broader range of radio frequencies, making it a versatile tool for various applications such as amateur radio, aviation, and emergency services. The importance of a two-band receiver lies in its ability to enhance connectivity and ensure effective communication across different platforms.To understand why a two-band receiver is essential, one must first look at the concept of frequency bands. Frequency bands are segments of the electromagnetic spectrum that are allocated for specific types of communication. For instance, the VHF (Very High Frequency) band typically ranges from 30 MHz to 300 MHz, while the UHF (Ultra High Frequency) band spans from 300 MHz to 3 GHz. A two-band receiver can operate within both these bands, allowing users to switch between them based on their communication needs.The versatility of a two-band receiver makes it particularly valuable in situations where different communication channels are required. For example, in an emergency scenario, responders may need to communicate with various agencies that operate on different frequencies. A two-band receiver enables them to listen to multiple channels simultaneously, ensuring that they stay informed and can coordinate their efforts effectively.Moreover, amateur radio enthusiasts often utilize two-band receivers to explore different aspects of radio communication. These devices allow hobbyists to tune into various broadcasts, experiment with signal transmission, and engage with other operators across different bands. This not only enhances their skills but also fosters a sense of community among radio enthusiasts.The technology behind a two-band receiver has evolved significantly over the years. Modern receivers are equipped with advanced features such as digital signal processing, which improves the clarity and quality of received signals. Additionally, many devices now come with programmable memory channels, allowing users to save their preferred frequencies for quick access. This technological advancement has made two-band receivers more user-friendly and efficient, catering to both novice and experienced users alike.In conclusion, the two-band receiver is an indispensable tool in the realm of communication technology. Its ability to receive signals across two distinct frequency bands not only enhances connectivity but also plays a crucial role in emergency response and amateur radio activities. As technology continues to advance, the functionality and capabilities of two-band receivers are likely to expand, further solidifying their importance in our increasingly interconnected world.

在通信技术的世界中，术语双频接收器指的是一种能够在两个不同频率带上接收信号的设备。这种能力使用户能够访问更广泛的无线电频率，使其成为业余无线电、航空和紧急服务等各种应用的多功能工具。双频接收器的重要性在于它能够增强连接性并确保在不同平台上进行有效通信。要理解双频接收器为何至关重要，首先必须了解频率带的概念。频率带是分配给特定类型通信的电磁波谱的段。例如，VHF（甚高频）频带通常范围从30 MHz到300 MHz，而UHF（超高频）频带则跨越从300 MHz到3 GHz的范围。双频接收器能够在这两个频带内工作，使用户能够根据其通信需求在两者之间切换。双频接收器的多功能性使其在需要不同通信渠道的情况下特别有价值。例如，在紧急情况下，响应人员可能需要与在不同频率上操作的各种机构进行通信。双频接收器使他们能够同时收听多个频道，确保他们保持信息灵通，并能够有效协调他们的工作。此外，业余无线电爱好者经常利用双频接收器来探索无线电通信的不同方面。这些设备允许爱好者调谐到各种广播，实验信号传输，并与其他操作员在不同频段进行交流。这不仅提高了他们的技能，还促进了无线电爱好者之间的社区感。双频接收器背后的技术多年来已经显著发展。现代接收器配备了先进的功能，例如数字信号处理，这提高了接收信号的清晰度和质量。此外，许多设备现在配备可编程存储频道，允许用户保存其首选频率以便快速访问。这一技术进步使得双频接收器变得更加用户友好和高效，满足了新手和经验丰富的用户的需求。总之，双频接收器是通信技术领域不可或缺的工具。它在两个不同频带上接收信号的能力不仅增强了连接性，而且在紧急响应和业余无线电活动中发挥着至关重要的作用。随着技术的不断进步，双频接收器的功能和能力可能会进一步扩展，从而进一步巩固它们在我们日益互联的世界中的重要性。