radio range

简明释义

无线电导向标

英英释义

例句

1.The aircraft's navigation system utilizes a specific radio range to ensure accurate positioning.

飞机的导航系统利用特定的无线电范围以确保准确定位。

2.During the test, we measured the effective radio range of the transmitter.

在测试期间，我们测量了发射器的有效无线电范围。

3.The radio range for this communication device is up to 10 kilometers.

该通信设备的无线电范围可达10公里。

4.In mountainous areas, the radio range can be significantly reduced due to terrain interference.

在山区，由于地形干扰，无线电范围可能会显著减少。

5.Operators need to be aware of the radio range limitations when using handheld devices.

操作员在使用手持设备时需要了解无线电范围的限制。

作文

The concept of radio range plays a crucial role in various fields, particularly in telecommunications and navigation. Understanding this term is essential for anyone interested in how wireless communication works. In simple terms, radio range refers to the maximum distance over which radio signals can be transmitted and received effectively. This distance can be influenced by several factors, including the frequency of the signal, the power of the transmitter, and environmental conditions such as obstacles and atmospheric interference.In telecommunications, the radio range is vital for ensuring that signals can reach their intended destinations without significant loss of quality. For instance, in mobile phone networks, the radio range determines how far apart cell towers can be placed while still providing reliable service to users. A larger radio range means fewer towers are needed, which can reduce infrastructure costs. However, achieving a longer radio range often requires more powerful transmitters or advanced technologies, such as beamforming, which directs signals towards specific users rather than broadcasting them in all directions.In addition to telecommunications, the radio range is also crucial in aviation and maritime navigation. Aircraft and ships rely on radio signals to communicate with control towers and other vessels. The radio range of navigational aids, such as VHF radios and radar systems, must be sufficient to cover the areas where these vehicles operate. For example, air traffic control relies on accurate positioning data, which is transmitted via radio signals. If the radio range is too short, it could lead to gaps in communication, potentially resulting in dangerous situations.Moreover, advancements in technology have led to improvements in radio range. Modern communication systems utilize digital signal processing and error correction techniques to enhance the reliability of radio transmissions. These innovations allow for clearer signals over longer distances, effectively extending the radio range without necessarily increasing the power output. This is particularly important in rural areas, where fewer communication towers may be available, and longer ranges are needed to connect users to the network.Another aspect to consider is the impact of terrain and obstacles on the radio range. Urban environments, with their tall buildings and dense structures, can significantly hinder radio signals, leading to reduced coverage. In contrast, open areas with fewer obstructions allow for greater radio range and better signal quality. Engineers and planners must take these factors into account when designing communication networks, ensuring that they can provide adequate coverage in various environments.In conclusion, the term radio range encompasses a fundamental aspect of wireless communication and navigation. Its significance extends across multiple industries, impacting everything from mobile phone connectivity to aviation safety. By understanding the factors that influence radio range, we can appreciate the complexities involved in maintaining effective communication systems. As technology continues to evolve, the radio range will likely improve, enabling even more reliable and efficient communication in our increasingly connected world.

“无线电范围”这一概念在多个领域中发挥着至关重要的作用，特别是在电信和导航方面。理解这个术语对于任何对无线通信感兴趣的人来说都是必不可少的。简单来说，无线电范围是指无线电信号能够有效传输和接收的最大距离。这个距离会受到多个因素的影响，包括信号的频率、发射器的功率以及环境条件，如障碍物和大气干扰。在电信领域，无线电范围对于确保信号能够不显著质量损失地到达预定目的地至关重要。例如，在移动电话网络中，无线电范围决定了基站之间可以相距多远，同时仍能为用户提供可靠的服务。更大的无线电范围意味着需要更少的基站，这可以降低基础设施成本。然而，实现更长的无线电范围通常需要更强大的发射器或先进的技术，例如波束赋形，它将信号定向到特定用户，而不是朝所有方向广播。除了电信，无线电范围在航空和海洋导航中也至关重要。飞机和船只依靠无线电信号与控制塔和其他船只进行通信。导航辅助设备（如VHF无线电和雷达系统）的无线电范围必须足够覆盖这些交通工具操作的区域。例如，空中交通管制依赖于通过无线电信号传输的准确定位数据。如果无线电范围过短，可能会导致通信中的空白，从而可能导致危险情况。此外，技术的进步也导致了无线电范围的改善。现代通信系统利用数字信号处理和错误校正技术来增强无线电传输的可靠性。这些创新允许在更长的距离上实现更清晰的信号，有效地延长无线电范围，而无需增加功率输出。这在农村地区尤为重要，因为那里可用的通信塔较少，需要更长的范围来连接用户到网络。另一个需要考虑的方面是地形和障碍物对无线电范围的影响。城市环境中高耸的建筑和密集的结构会显著阻碍无线电信号，导致覆盖范围减少。相比之下，开阔区域障碍物较少，可以实现更大的无线电范围和更好的信号质量。工程师和规划人员在设计通信网络时必须考虑这些因素，以确保它们能够在各种环境中提供足够的覆盖。总之，术语无线电范围涵盖了无线通信和导航的基本方面。其重要性跨越多个行业，影响从手机连接到航空安全的方方面面。通过了解影响无线电范围的因素，我们可以更好地理解维护有效通信系统所涉及的复杂性。随着技术的不断发展，无线电范围可能会得到改善，使我们在日益互联的世界中实现更可靠和高效的通信。