ultra-short wave
简明释义
超短波
英英释义
例句
1.Many modern communication devices utilize ultra-short wave 超短波 technology to improve signal strength.
许多现代通信设备利用<品>超短波品>技术来增强信号强度。
2.The radio station broadcasts on an ultra-short wave 超短波 frequency, allowing for clearer sound quality.
这家电台在<品>超短波品>频率上播出,允许更清晰的音质。
3.The ultra-short wave 超短波 transmission allows for a wider range of frequencies for broadcasting.
这种<品>超短波品>传输允许更广泛的广播频率范围。
4.Emergency services often rely on ultra-short wave 超短波 communications for quick response times.
紧急服务通常依赖于<品>超短波品>通信以快速响应。
5.During the event, we used ultra-short wave 超短波 radios to ensure everyone could communicate effectively.
在活动期间,我们使用<品>超短波品>无线电,以确保每个人都能有效沟通。
作文
In the world of telecommunications, radio waves play a crucial role in how we communicate and exchange information. One specific type of radio wave that has gained significant attention is the ultra-short wave (USW). The ultra-short wave refers to radio frequencies that range from 300 MHz to 3 GHz. This frequency band is known for its ability to transmit high-quality signals over short distances, making it ideal for various applications, including television broadcasting, mobile communications, and satellite transmissions.The importance of ultra-short wave technology cannot be overstated. For instance, when you tune into your favorite FM radio station, you are likely receiving signals transmitted via ultra-short wave. The clarity and quality of sound that FM radio provides are largely due to the characteristics of these high-frequency waves. Unlike lower frequency waves, which can be prone to interference and distortion, ultra-short wave signals can maintain their integrity even in urban environments filled with obstacles like buildings and other structures.Moreover, ultra-short wave technology is not limited to just audio broadcasting. It also plays a vital role in television transmission. The advent of digital television has further enhanced the capabilities of ultra-short wave frequencies, allowing for clearer images and more channels than ever before. Viewers can enjoy high-definition content thanks to the efficient use of this frequency band.In addition to entertainment, ultra-short wave frequencies are essential for mobile communications. Mobile phones operate within this frequency range, enabling us to communicate seamlessly across vast distances. The development of 4G and 5G networks relies heavily on ultra-short wave technology to deliver fast internet speeds and reliable connections. As our reliance on mobile devices continues to grow, the significance of ultra-short wave in facilitating communication becomes increasingly apparent.Another fascinating application of ultra-short wave technology is in satellite communication. Satellites use these frequencies to transmit data back to Earth, supporting everything from GPS navigation to weather forecasting. The precision and reliability of ultra-short wave signals make them suitable for such critical applications, ensuring that the information we rely on is accurate and timely.Despite its many advantages, there are challenges associated with ultra-short wave technology. For instance, the range of these frequencies is limited compared to lower frequencies, which can travel longer distances. This limitation means that additional infrastructure, such as more cell towers or repeaters, is often necessary to ensure coverage in less populated areas. Additionally, the increasing demand for bandwidth in our connected world puts pressure on the ultra-short wave spectrum, leading to potential congestion and interference issues.In conclusion, the ultra-short wave is a vital component of modern communication systems. Its ability to transmit high-quality signals over short distances makes it indispensable in various fields, from broadcasting to mobile communications and satellite technology. As technology continues to evolve, understanding and harnessing the power of ultra-short wave will be essential for meeting future communication demands. With ongoing advancements, we can expect even more innovative applications of this frequency range, shaping the way we connect and interact with the world around us.
在电信的世界中,无线电波在我们如何沟通和交流信息方面发挥着至关重要的作用。一种特定类型的无线电波引起了人们的广泛关注,即超短波(USW)。超短波指的是频率范围从300 MHz到3 GHz的无线电频率。这个频率带因其能够在短距离内传输高质量信号而闻名,使其非常适合于各种应用,包括电视广播、移动通信和卫星传输。超短波技术的重要性不容小觑。例如,当你调到自己喜欢的FM电台时,你很可能是通过超短波传输接收到信号的。FM广播提供的音质和清晰度在很大程度上归功于这些高频波的特性。与可能受到干扰和失真的低频波不同,超短波信号即使在充满障碍物如建筑物和其他结构的城市环境中也能保持其完整性。此外,超短波技术不仅限于音频广播。它在电视传输中也发挥着至关重要的作用。数字电视的出现进一步增强了超短波频率的能力,使得图像更清晰、频道更多。观众可以享受高清内容,这要归功于该频率带的有效利用。除了娱乐,超短波频率对移动通信至关重要。手机就在这个频率范围内工作,使我们能够在广阔的距离内无缝沟通。4G和5G网络的发展在很大程度上依赖于超短波技术,以提供快速的互联网速度和可靠的连接。随着我们对移动设备的依赖不断增加,超短波在促进通信中的重要性变得越来越明显。超短波技术的另一个迷人应用是在卫星通信中。卫星使用这些频率将数据传回地球,支持从GPS导航到天气预报的一切。超短波信号的精确性和可靠性使其适合用于如此关键的应用,确保我们依赖的信息准确及时。尽管有许多优点,但超短波技术也面临挑战。例如,与可以传播更长距离的低频相比,这些频率的范围有限。这一限制意味着通常需要额外的基础设施,如更多的基站或中继器,以确保在较少人口地区的覆盖。此外,我们互联世界对带宽的日益需求对超短波频谱施加了压力,导致潜在的拥堵和干扰问题。总之,超短波是现代通信系统的重要组成部分。其在短距离内传输高质量信号的能力使其在广播、移动通信和卫星技术等各个领域不可或缺。随着技术的不断发展,理解和利用超短波的力量将是满足未来通信需求的关键。随着持续的进步,我们可以期待这一频率范围的更多创新应用,塑造我们与周围世界的连接和互动方式。