superhigh frequency

简明释义

超高频

英英释义

A range of radio frequencies that are higher than high frequency (HF) and typically fall between 3 GHz and 30 GHz, used for various forms of communication including satellite and microwave transmissions.

一种比高频(HF)更高的无线电频率范围,通常介于3 GHz和30 GHz之间,用于包括卫星和微波传输在内的各种通信形式。

例句

1.In telecommunications, superhigh frequency 超高频 signals are essential for mobile phone networks.

在电信中,超高频 superhigh frequency信号对移动电话网络至关重要。

2.The military uses superhigh frequency 超高频 communication systems for secure transmissions.

军方使用超高频 superhigh frequency通信系统进行安全传输。

3.Satellite communications often rely on superhigh frequency 超高频 bands to transmit data.

卫星通信通常依赖于超高频 superhigh frequency频段来传输数据。

4.The weather radar operates on a superhigh frequency 超高频 to detect precipitation accurately.

气象雷达在超高频 superhigh frequency上运行,以准确检测降水。

5.The radio station broadcasts on a superhigh frequency 超高频 band, allowing for clearer sound.

这个广播电台在超高频 superhigh frequency频段播出,声音更清晰。

作文

In today's rapidly evolving technological landscape, the term superhigh frequency (SHF) has gained significant importance, especially in the fields of telecommunications and radar technology. The superhigh frequency band is defined as the frequency range from 3 to 30 gigahertz (GHz), which is a part of the microwave spectrum. This frequency range is crucial for various applications, including satellite communications, wireless networks, and even some forms of radar systems.The significance of superhigh frequency lies in its ability to transmit large amounts of data over short distances with high speed and minimal interference. For instance, in satellite communications, signals transmitted at superhigh frequency can carry more information than those at lower frequencies, making them ideal for high-definition television broadcasts and internet services. As our demand for bandwidth increases, technologies utilizing superhigh frequency are becoming increasingly vital.Moreover, superhigh frequency is essential for modern wireless communication systems. With the advent of 5G technology, which operates in the superhigh frequency range, users can experience faster download speeds and more reliable connections. This enhancement in communication technology is not just limited to personal devices; it also extends to smart cities and the Internet of Things (IoT), where numerous devices communicate seamlessly with one another.In addition to telecommunications, superhigh frequency is widely used in radar applications. Radar systems operating in this frequency range can detect objects at greater distances and with higher resolution. This capability is particularly important in aviation and maritime navigation, where accurate detection of other vessels or aircraft is critical for safety. The use of superhigh frequency in radar technology allows for better tracking of fast-moving objects, contributing to improved situational awareness in various industries.However, the utilization of superhigh frequency also comes with its challenges. One of the primary issues is the propagation characteristics of these frequencies. Unlike lower frequencies that can travel longer distances and penetrate obstacles more effectively, superhigh frequency signals tend to have a shorter range and are more susceptible to attenuation due to atmospheric conditions or physical barriers. This limitation necessitates the deployment of more base stations and repeaters to ensure adequate coverage, which can increase infrastructure costs.Additionally, the crowded nature of the superhigh frequency spectrum poses another challenge. As more devices and services compete for bandwidth in this range, interference becomes a significant concern. Effective spectrum management and advanced technologies such as beamforming and frequency hopping are essential to mitigate these issues and optimize the performance of superhigh frequency systems.In conclusion, the term superhigh frequency represents a pivotal aspect of modern technology, influencing various sectors from telecommunications to radar systems. Its ability to facilitate high-speed data transmission and improve detection capabilities underscores its importance in our increasingly connected world. As we continue to innovate and push the boundaries of technology, understanding and leveraging the potential of superhigh frequency will be crucial for future advancements. Therefore, embracing the challenges associated with this frequency range will enable us to harness its benefits fully and ensure continued progress in communication and navigation technologies.

在当今快速发展的技术环境中,术语超高频(SHF)变得越来越重要,特别是在电信和雷达技术领域。超高频频段被定义为3到30千兆赫(GHz)的频率范围,这是微波谱的一部分。这个频率范围对各种应用至关重要,包括卫星通信、无线网络,甚至某些形式的雷达系统。超高频的重要性在于其能够以高速和最小干扰在短距离内传输大量数据。例如,在卫星通信中,以超高频传输的信号可以携带比低频率信号更多的信息,使其成为高清电视广播和互联网服务的理想选择。随着我们对带宽需求的增加,利用超高频的技术变得越来越重要。此外,超高频对现代无线通信系统至关重要。随着5G技术的出现,5G技术在超高频范围内运行,用户可以体验更快的下载速度和更可靠的连接。这种通信技术的增强不仅限于个人设备;它还扩展到智能城市和物联网(IoT),其中众多设备可以无缝地相互通信。除了电信,超高频在雷达应用中也被广泛使用。在这个频率范围内运行的雷达系统可以在更远的距离和更高的分辨率下探测物体。这种能力在航空和海洋导航中尤为重要,因为准确探测其他船只或飞机对于安全至关重要。超高频在雷达技术中的使用使得对快速移动物体的更好跟踪成为可能,从而提高了各个行业的态势感知。然而,利用超高频也带来了挑战。其中一个主要问题是这些频率的传播特性。与可以传播更长距离并能更有效穿透障碍物的低频率不同,超高频信号往往具有较短的范围,并且更容易受到大气条件或物理障碍的衰减。这一限制需要部署更多的基站和中继器,以确保足够的覆盖,这可能会增加基础设施成本。此外,拥挤的超高频频谱也带来了另一个挑战。随着越来越多的设备和服务在这个范围内争夺带宽,干扰成为一个重大问题。有效的频谱管理和先进的技术,如波束成形和频率跳变,对于减轻这些问题和优化超高频系统的性能至关重要。总之,术语超高频代表了现代技术的一个关键方面,影响着从电信到雷达系统的各个领域。其促进高速数据传输和改善探测能力的能力突显了其在我们日益互联的世界中的重要性。随着我们继续创新并推动技术的边界,理解和利用超高频的潜力将对未来的进步至关重要。因此,接受与这个频率范围相关的挑战将使我们能够充分利用其优势,并确保通信和导航技术的持续进步。

相关单词

superhigh

superhigh详解:怎么读、什么意思、用法

frequency

frequency详解:怎么读、什么意思、用法