atmospheric radio noise

简明释义

天电干扰

英英释义

例句

1.The radio signal was weak due to high levels of atmospheric radio noise.

由于高水平的大气无线电噪声，无线电信号很弱。

2.The interference caused by atmospheric radio noise can disrupt communication systems.

由大气无线电噪声引起的干扰可能会破坏通信系统。

3.Scientists study atmospheric radio noise to better understand the Earth's atmosphere.

科学家研究大气无线电噪声以更好地理解地球的大气层。

4.We need to filter out atmospheric radio noise to improve the clarity of the transmission.

我们需要过滤掉大气无线电噪声以提高传输的清晰度。

5.Amateur radio operators often struggle with atmospheric radio noise during thunderstorms.

业余无线电操作员在雷暴期间常常要与大气无线电噪声作斗争。

作文

Understanding the concept of atmospheric radio noise is crucial for anyone interested in radio communications and the science of signal transmission. Atmospheric radio noise refers to the natural electromagnetic radiation that occurs in the Earth's atmosphere, which can interfere with radio signals. This phenomenon is primarily caused by various sources such as lightning strikes, solar activity, and cosmic rays. The study of atmospheric radio noise is important because it affects the clarity and quality of radio communication systems, including those used in aviation, maritime operations, and even everyday broadcasting.When we consider the impact of atmospheric radio noise, it is essential to recognize its origins. Lightning, for instance, generates a significant amount of electromagnetic energy that radiates into the atmosphere. Each lightning strike produces a burst of radio waves that can travel long distances. These waves contribute to the background noise level that radio receivers must filter out to pick up desired signals. Solar activity also plays a role; during periods of heightened solar flare activity, the sun emits charged particles that can disturb the Earth's magnetic field and increase atmospheric radio noise. Moreover, cosmic rays—high-energy particles from outer space—can interact with the Earth’s atmosphere, generating additional noise. All these factors combine to create a complex environment in which radio signals must operate. Understanding atmospheric radio noise is vital for engineers and scientists who design communication systems capable of overcoming these challenges.In practical terms, the presence of atmospheric radio noise can lead to various issues in radio communication. For example, it can cause static or interference in audio signals, making it difficult for listeners to hear clearly. In more critical applications, such as air traffic control or emergency services, excessive noise can lead to misunderstandings or miscommunications, potentially jeopardizing safety. Therefore, engineers often implement sophisticated filtering techniques to minimize the effect of atmospheric radio noise on communication systems.Additionally, advancements in technology have led to the development of more sensitive and selective receivers that can better distinguish between desired signals and atmospheric radio noise. These innovations are crucial in ensuring reliable communication across various platforms, from traditional AM/FM broadcasts to modern digital communications.In conclusion, atmospheric radio noise is a significant factor in the field of radio communications, influencing the effectiveness and reliability of signal transmission. By understanding its sources and effects, professionals in the field can develop better strategies to mitigate its impact. As technology continues to evolve, addressing the challenges posed by atmospheric radio noise will remain a key focus for engineers and researchers alike. The importance of this knowledge cannot be overstated, as it underpins the very foundation of effective communication in our increasingly connected world.

理解大气无线电噪声的概念对于任何对无线电通信和信号传输科学感兴趣的人来说都是至关重要的。大气无线电噪声是指发生在地球大气中的自然电磁辐射，这种辐射可能会干扰无线电信号。这个现象主要由各种来源引起，例如闪电、太阳活动和宇宙射线。研究大气无线电噪声非常重要，因为它影响无线电通信系统的清晰度和质量，包括航空、海事操作，甚至日常广播中使用的系统。当我们考虑大气无线电噪声的影响时，认识到其起源是至关重要的。例如，闪电产生大量电磁能量，这些能量辐射到大气中。每次闪电击打都会产生一阵无线电波，这些无线电波可以传播很远。这些波贡献了无线电接收器必须过滤掉的背景噪声水平，以便接收到所需的信号。太阳活动也起着作用；在太阳耀斑活动增强期间，太阳会发出带电粒子，这些粒子会干扰地球的磁场并增加大气无线电噪声。此外，宇宙射线——来自外太空的高能粒子——可以与地球的大气相互作用，产生额外的噪声。所有这些因素结合在一起，创造了一个复杂的环境，在这个环境中，无线电信号必须运作。理解大气无线电噪声对于设计能够克服这些挑战的通信系统的工程师和科学家至关重要。在实际应用中，大气无线电噪声的存在可能导致无线电通信中的各种问题。例如，它可能导致音频信号中的静电或干扰，使听众难以清楚地听到。在更关键的应用中，如空中交通管制或紧急服务，过多的噪声可能导致误解或误通讯，潜在地危及安全。因此，工程师通常实施复杂的过滤技术，以最小化大气无线电噪声对通信系统的影响。此外，技术的进步导致开发出更灵敏和选择性更强的接收器，这些接收器能够更好地区分所需信号和大气无线电噪声。这些创新对于确保各种平台上可靠的通信至关重要，从传统的AM/FM广播到现代数字通信。总之，大气无线电噪声是无线电通信领域中的一个重要因素，影响信号传输的有效性和可靠性。通过了解其来源和影响，专业人员可以制定更好的策略来减轻其影响。随着技术的不断发展，解决大气无线电噪声带来的挑战将继续成为工程师和研究人员的重点。掌握这一知识的重要性不言而喻，因为它支撑着我们日益互联的世界中有效沟通的基础。