ultra short wave

简明释义

超短波超短波

英英释义

例句

1.Many walkie-talkies operate on ultra short wave to ensure short-range communication.

许多对讲机使用超短波进行短距离通信。

2.The radio station broadcasts on the ultra short wave frequency, allowing for clearer reception.

该广播电台在超短波频率上播出，允许更清晰的接收。

3.The ultra short wave technology is essential for modern telecommunications.

对于现代电信来说，超短波技术是必不可少的。

4.The ultra short wave signals can penetrate obstacles better than longer wavelengths.

超短波信号比长波长更能穿透障碍物。

5.In remote areas, ultra short wave radios are often used to maintain contact with the outside world.

在偏远地区，通常使用超短波收音机与外界保持联系。

作文

In the realm of radio communication, the term ultra short wave refers to a specific range of frequencies that are crucial for various forms of broadcasting and communication. The ultra short wave (USW) spectrum typically spans from 30 MHz to 300 MHz. This range is particularly significant because it allows for high-quality transmission of audio and video signals over relatively short distances. One of the most common applications of ultra short wave technology is in FM radio broadcasting, where the clarity and fidelity of sound are paramount.The advantages of using the ultra short wave band are numerous. Firstly, the shorter wavelengths associated with this frequency range enable antennas to be smaller and more manageable, making them ideal for portable devices such as radios and smartphones. Additionally, ultra short wave signals have the ability to penetrate urban environments better than lower frequencies, which often suffer from interference due to buildings and other structures. This characteristic makes USW particularly suitable for urban broadcasting, where clear reception is essential.Moreover, ultra short wave frequencies are less prone to atmospheric interference compared to lower frequency bands. This reliability is crucial for emergency services and public safety communications, where clear and uninterrupted signals can make a significant difference during crises. For instance, police and fire departments often utilize ultra short wave technology to ensure that their communications remain intact even in challenging conditions.In addition to its use in traditional broadcasting, ultra short wave technology has found applications in television broadcasting as well. The transition from analog to digital broadcasting has further enhanced the capabilities of USW, allowing for multiple channels to be transmitted simultaneously within the same frequency range. This advancement has provided viewers with a broader selection of programming options and improved overall viewing experiences.Furthermore, the ultra short wave spectrum is also employed in various scientific and military applications. For instance, radar systems utilize USW frequencies to detect and track objects, playing a vital role in air traffic control and national defense. The precision and effectiveness of these systems are largely attributed to the unique properties of ultra short wave signals.Despite its many benefits, the use of ultra short wave frequencies is not without challenges. As technology continues to evolve, the demand for bandwidth increases, leading to congestion in the USW spectrum. Regulatory bodies must balance the needs of various stakeholders, including broadcasters, emergency services, and private users, to ensure that the ultra short wave spectrum remains accessible and efficient.In conclusion, the concept of ultra short wave is integral to modern communication systems. From enhancing the quality of radio broadcasts to supporting critical emergency services, the implications of USW technology are far-reaching. As we continue to innovate and expand our understanding of this frequency range, the potential applications of ultra short wave technology will undoubtedly grow, shaping the future of communication in unprecedented ways.

在无线电通信领域，术语超短波指的是一系列频率，这些频率对于各种形式的广播和通信至关重要。超短波（USW）频谱通常从30 MHz到300 MHz。这一频率范围尤其重要，因为它允许高质量的音频和视频信号在相对较短的距离内传输。超短波技术最常见的应用之一是在FM广播中，在这种情况下，声音的清晰度和保真度至关重要。使用超短波频段的优点有很多。首先，与此频率范围相关的较短波长使天线更小、更易于管理，非常适合便携设备，如收音机和智能手机。此外，超短波信号比低频信号更能穿透城市环境，这些低频信号常常因建筑物和其他结构而受到干扰。这一特性使得USW特别适合城市广播，在城市广播中，清晰的接收至关重要。此外，与较低频段相比，超短波频率不易受到大气干扰。这种可靠性对于应急服务和公共安全通信至关重要，在危机期间，清晰和不中断的信号可能会产生重大影响。例如，警察和消防部门常常利用超短波技术，以确保他们的通信即使在困难条件下也能保持完整。除了在传统广播中的使用，超短波技术还在电视广播中找到了应用。模拟广播向数字广播的过渡进一步增强了USW的能力，使得能够在同一频率范围内同时传输多个频道。这一进步为观众提供了更广泛的节目选择，并改善了整体观看体验。此外，超短波频谱还在各种科学和军事应用中被采用。例如，雷达系统利用USW频率来探测和跟踪物体，在空中交通控制和国家防御中发挥着至关重要的作用。这些系统的精确性和有效性在很大程度上归功于超短波信号的独特特性。尽管有许多好处，但使用超短波频率也面临挑战。随着技术的不断发展，对带宽的需求增加，导致USW频谱的拥挤。监管机构必须平衡各方利益相关者的需求，包括广播公司、应急服务和私人用户，以确保超短波频谱保持可访问和高效。总之，超短波的概念是现代通信系统不可或缺的一部分。从提升广播质量到支持关键的应急服务，USW技术的影响深远。随着我们继续创新并扩展对这一频率范围的理解，超短波技术的潜在应用无疑将不断增长，塑造通信的未来，创造前所未有的方式。