sky wave delay

简明释义

天波时延

英英释义

Sky wave delay refers to the time it takes for radio waves that are reflected off the ionosphere (the 'sky') to reach a receiver on the ground, which can affect signal quality and timing.

天波延迟是指从电离层(即“天空”)反射的无线电波到达地面接收器所需的时间,这可能会影响信号质量和时序。

例句

1.During the storm, we noticed a longer sky wave delay affecting communication.

在暴风雨期间,我们注意到影响通信的天波延迟更长。

2.The radio signal experienced significant sky wave delay, causing the broadcast to be out of sync.

由于经历了显著的天波延迟,广播与实际时间不同步。

3.Engineers must account for sky wave delay when designing long-distance communication systems.

工程师在设计远程通信系统时必须考虑天波延迟

4.To improve performance, we need to measure the sky wave delay in various weather conditions.

为了提高性能,我们需要在不同天气条件下测量天波延迟

5.The sky wave delay caused the amateur radio operators to miss important transmissions.

由于天波延迟,业余无线电操作员错过了重要的传输。

作文

In the realm of telecommunications, understanding various phenomena that affect signal transmission is crucial for enhancing communication systems. One such phenomenon is the sky wave delay, which plays a significant role in the propagation of radio waves. The concept of sky wave delay refers to the time it takes for a radio wave to travel from the transmitter to the receiver after reflecting off the ionosphere. This delay can influence the quality and reliability of signals, especially in long-distance communication.Radio waves are classified into different types based on their frequency and wavelength. High-frequency (HF) radio waves, typically ranging from 3 to 30 MHz, are particularly susceptible to sky wave delay. When these waves are transmitted, they can bounce off the ionosphere, a layer of the Earth's atmosphere filled with charged particles. This reflection allows the signals to travel beyond the horizon, making long-distance communication possible.However, the sky wave delay can introduce challenges. The time taken for the waves to reflect and reach the receiver can cause a lag in communication. For instance, during an important broadcast or emergency communication, any delay can result in critical information being received later than intended. Therefore, understanding and mitigating sky wave delay is essential for ensuring effective communication.Several factors contribute to sky wave delay. One major factor is the angle at which the radio waves strike the ionosphere. The angle of incidence can affect how quickly the waves are reflected back to Earth. Additionally, the frequency of the radio waves plays a role; higher frequencies tend to have shorter delays compared to lower frequencies. Atmospheric conditions, such as temperature and humidity, can also impact the ionosphere's behavior, further influencing sky wave delay.To minimize the effects of sky wave delay, engineers and researchers have developed various techniques. One approach is to use multiple frequencies for transmission, allowing for more reliable communication by compensating for the delays experienced at different frequencies. Another method involves employing advanced signal processing techniques to predict and adjust for potential delays, ensuring that the transmitted signals remain coherent and timely.In conclusion, the phenomenon of sky wave delay is an important consideration in the field of telecommunications. As we continue to rely on radio waves for communication, understanding the implications of this delay becomes increasingly vital. By studying the factors that influence sky wave delay and developing strategies to mitigate its effects, we can enhance the reliability and efficiency of our communication systems, ultimately improving our ability to connect with one another across vast distances.

在电信领域,理解影响信号传输的各种现象对于增强通信系统至关重要。其中一个现象是天波延迟,它在无线电波传播中扮演着重要角色。天波延迟的概念是指无线电波从发射器到接收器的传播时间,这段时间是在无线电波反射到离子层后产生的。这个延迟可能会影响信号的质量和可靠性,特别是在远程通信中。无线电波根据其频率和波长被分类。高频(HF)无线电波,通常范围在3到30 MHz之间,尤其容易受到天波延迟的影响。当这些波被发射时,它们可以反弹离子层,这是地球大气中充满带电粒子的层。这个反射使得信号能够超越地平线,从而实现远距离通信。然而,天波延迟可能会引入挑战。波反射并到达接收器所需的时间可能导致通信延迟。例如,在重要广播或紧急通信期间,任何延迟都可能导致关键信息比预期晚到。因此,理解和减轻天波延迟对于确保有效通信至关重要。多个因素会导致天波延迟。一个主要因素是无线电波与离子层相撞的角度。入射角可以影响波反弹回地球的速度。此外,无线电波的频率也起着作用;相比于低频率,高频率通常具有更短的延迟。气象条件,如温度和湿度,也会影响离子层的行为,进一步影响天波延迟。为了最小化天波延迟的影响,工程师和研究人员开发了各种技术。一种方法是使用多种频率进行传输,通过补偿在不同频率下经历的延迟来实现更可靠的通信。另一种方法涉及采用先进的信号处理技术来预测和调整潜在的延迟,确保传输信号保持一致和及时。总之,天波延迟现象是电信领域的重要考虑因素。随着我们越来越依赖无线电波进行通信,理解这种延迟的影响变得愈加重要。通过研究影响天波延迟的因素并制定减轻其影响的策略,我们可以增强通信系统的可靠性和效率,最终改善我们跨越广阔距离相互联系的能力。

相关单词

sky

sky详解:怎么读、什么意思、用法