long wave

简明释义

长波

英英释义

例句

1.Artists often draw inspiration from the long wave (长波) patterns found in nature.

艺术家们常常从自然界中发现的长波（长波）图案中获得灵感。

2.Scientists study the effects of long wave (长波) radiation on climate change.

科学家们研究长波（长波）辐射对气候变化的影响。

3.The long wave (长波) infrared technology is used in thermal imaging cameras.

长波（长波）红外技术被用于热成像相机中。

4.The radio station broadcasts on a frequency that utilizes a long wave (长波) to reach distant listeners.

这个电台在一个使用长波（长波）的频率上广播，以便接触到远方的听众。

5.In telecommunications, long wave (长波) signals can travel further than shortwave signals.

在电信中，长波（长波）信号的传播距离比短波信号更远。

作文

In the realm of physics and communication, the term long wave refers to electromagnetic waves with a long wavelength, typically greater than 200 meters. These waves have unique properties that make them particularly useful for certain applications, especially in radio broadcasting and navigation. Understanding the significance of long wave technology can provide insights into its advantages and limitations, as well as its impact on modern communication systems.One of the primary characteristics of long wave signals is their ability to travel long distances. Due to their low frequency, these waves can diffract around obstacles such as buildings and hills, allowing them to maintain their signal strength over vast areas. This property makes long wave transmission ideal for broadcasting in rural or remote regions where traditional high-frequency signals might struggle to reach.Moreover, long wave broadcasts are less affected by atmospheric conditions compared to shorter wavelengths. This reliability is crucial for emergency services and maritime communication, where consistent signal quality can be a matter of safety. For instance, many coastal navigation systems utilize long wave signals to guide ships safely into harbor, ensuring that they can rely on clear communication even in adverse weather.However, while long wave technology has its advantages, it also comes with certain drawbacks. One significant limitation is the bandwidth available for long wave transmissions. Because these waves have lower frequencies, they carry less data compared to higher frequency signals. Consequently, this restricts the amount of information that can be transmitted simultaneously. In an era where high-speed internet and data streaming are becoming the norm, the relatively slow data rates of long wave communication can be a significant disadvantage.Furthermore, the equipment required to generate and receive long wave signals can be more substantial and expensive than that used for higher frequencies. The antennas needed for long wave transmission must be large due to the length of the waves, which can pose challenges in urban environments where space is limited. This physical requirement can hinder the widespread adoption of long wave technology in some areas.Despite these challenges, long wave technology continues to play an essential role in specific fields. For example, in the context of scientific research, long wave radiation is utilized in various applications, including meteorology and environmental monitoring. Researchers can use long wave sensors to study heat emissions from the Earth's surface, providing valuable data on climate change and other environmental phenomena.In conclusion, the concept of long wave encompasses a range of electromagnetic waves with unique properties that have both advantages and limitations. While they excel in long-distance communication and reliability, their lower data transmission capabilities and physical requirements can pose challenges. As technology continues to evolve, it will be interesting to see how long wave applications adapt to meet the demands of modern society and contribute to advancements in communication and research.

在物理和通信领域，术语长波指的是波长较长的电磁波，通常大于200米。这些波具有独特的特性，使它们在某些应用中尤其有用，特别是在广播和导航方面。理解长波技术的意义可以提供对其优缺点以及对现代通信系统影响的见解。长波信号的主要特征之一是它们能够传播很长的距离。由于其低频率，这些波可以绕过建筑物和山丘等障碍物，从而使它们在广阔的区域内保持信号强度。这一特性使得长波传输非常适合在农村或偏远地区进行广播，在这些地方，传统的高频信号可能难以覆盖。此外，长波广播不容易受到大气条件的影响。这种可靠性对于紧急服务和海洋通信至关重要，在这些情况下，一致的信号质量可能关乎安全。例如，许多沿海导航系统利用长波信号来引导船只安全进入港口，确保它们即使在恶劣天气下也能依赖清晰的通信。然而，虽然长波技术有其优势，但也存在某些缺点。一个显著的限制是可用于长波传输的带宽。由于这些波具有较低的频率，它们携带的数据量比高频信号少。因此，这限制了可以同时传输的信息量。在一个高速互联网和数据流媒体成为常态的时代，长波通信相对较慢的数据速率可能是一个显著的劣势。此外，生成和接收长波信号所需的设备可能比用于高频信号的设备更大且更昂贵。由于波长的长度，进行长波传输所需的天线必须很大，这在城市环境中可能会造成空间有限的挑战。这一物理要求可能会阻碍长波技术在某些地区的广泛采用。尽管面临这些挑战，长波技术在特定领域仍然发挥着重要作用。例如，在科学研究的背景下，长波辐射被用于各种应用，包括气象学和环境监测。研究人员可以使用长波传感器来研究地球表面的热排放，提供有关气候变化和其他环境现象的宝贵数据。总之，长波的概念涵盖了一系列具有独特特性的电磁波，这些特性既有优点也有局限性。虽然它们在长距离通信和可靠性方面表现出色，但其较低的数据传输能力和物理要求可能会带来挑战。随着技术的不断发展，观察长波应用如何适应现代社会的需求并为通信和研究的进步做出贡献将是非常有趣的。