community antenna television system

简明释义

共用天线电视系统

英英释义

例句

1.With the installation of a new community antenna television system, residents can now enjoy high-definition programming.

随着新社区天线电视系统的安装，居民们现在可以享受高清节目。

2.Many apartments in the city are connected to a community antenna television system that provides cable channels at a lower cost.

城市中的许多公寓都连接到一个社区天线电视系统，以更低的成本提供有线频道。

3.The local government decided to install a new community antenna television system to improve reception for residents in rural areas.

当地政府决定安装一个新的社区天线电视系统以改善农村地区居民的信号接收。

4.Our neighborhood association is discussing the upgrade of the old community antenna television system to a digital version.

我们的小区协会正在讨论将旧的社区天线电视系统升级为数字版本。

5.The community antenna television system was instrumental in ensuring that all residents had access to emergency broadcasts during the storm.

在风暴期间，社区天线电视系统对于确保所有居民能够接收紧急广播起到了重要作用。

作文

In today's fast-paced world, communication technologies play a vital role in our daily lives. One such technology that has significantly impacted how we receive television signals is the community antenna television system. This system, often abbreviated as CATV, was developed to provide television programming to communities that could not receive adequate signals from traditional broadcast towers. The concept originated in the late 1940s when residents of remote areas faced challenges in accessing clear television signals due to geographical obstacles such as mountains and tall buildings. The community antenna television system works by utilizing a central antenna, usually located on a hill or high structure, to capture television signals from various broadcasting stations. These signals are then amplified and distributed through a network of coaxial cables to individual homes within the community. This method not only enhances signal quality but also expands the range of available channels, offering viewers a broader selection of programming.One of the primary advantages of the community antenna television system is its ability to provide reliable service to areas that might otherwise be underserved by conventional cable providers. For instance, rural communities often struggle with limited access to cable television due to their remote locations. By implementing a CATV system, these communities can enjoy a diverse array of channels, including local news, sports, and entertainment, fostering a sense of connection and engagement among residents.Moreover, the community antenna television system has evolved over the years to incorporate digital technology, allowing for improved picture and sound quality. Digital CATV systems can transmit high-definition signals, providing viewers with a superior viewing experience. Additionally, many modern systems offer features such as video on demand, interactive programming guides, and even internet connectivity, further enhancing their value.Despite its benefits, the community antenna television system is not without challenges. The initial setup costs can be significant, especially for small communities with limited budgets. Furthermore, maintaining the infrastructure requires ongoing investment, which can be a hurdle for some local governments or organizations. Additionally, as technology continues to advance, competition from streaming services and satellite television poses a threat to traditional CATV systems. Many consumers are opting for more flexible viewing options, leading some communities to reconsider the sustainability of their community antenna television system.In conclusion, the community antenna television system has played an essential role in bridging the gap between urban and rural access to television programming. By providing a reliable and diverse range of channels, it has enriched the lives of countless individuals in underserved areas. As technology continues to evolve, it will be crucial for communities to adapt and innovate, ensuring that they remain connected in an increasingly digital world. Whether through upgrades to existing systems or exploring new platforms, the goal remains the same: to keep communities informed and entertained, fostering a shared sense of belonging in an ever-changing landscape.

在当今快速发展的世界中，通信技术在我们的日常生活中发挥着至关重要的作用。其中一种显著影响我们接收电视信号的技术是社区天线电视系统。该系统通常缩写为CATV，旨在为无法从传统广播塔接收足够信号的社区提供电视节目。这个概念起源于20世纪40年代末，当时偏远地区的居民面临着由于地理障碍（如山脉和高楼大厦）而无法获得清晰电视信号的挑战。社区天线电视系统通过利用一个中央天线（通常位于山丘或高结构上）来捕获来自各个广播站的电视信号。这些信号随后被放大并通过同轴电缆网络分发到社区内的各个家庭。这种方法不仅增强了信号质量，还扩展了可用频道的范围，为观众提供了更广泛的节目选择。社区天线电视系统的主要优点之一是能够为那些可能被传统有线供应商服务不足的地区提供可靠的服务。例如，农村社区通常由于其偏远位置而难以获得有线电视的接入。通过实施CATV系统，这些社区可以享受多样化的频道，包括地方新闻、体育和娱乐节目，从而增强居民之间的联系和参与感。此外，社区天线电视系统随着时间的推移也演变为结合数字技术，允许改善图像和声音质量。数字CATV系统可以传输高清信号，为观众提供卓越的观看体验。此外，许多现代系统还提供点播视频、互动节目指南甚至互联网连接等功能，进一步增强了它们的价值。尽管有其好处，社区天线电视系统也面临挑战。初始设置成本可能相当高，尤其是对于预算有限的小型社区。此外，维护基础设施需要持续投资，这对一些地方政府或组织来说可能是一个障碍。此外，随着技术的发展，来自流媒体服务和卫星电视的竞争对传统CATV系统构成威胁。许多消费者正在选择更灵活的观看选项，导致一些社区重新考虑其社区天线电视系统的可持续性。总之，社区天线电视系统在弥合城市与农村电视节目接入差距方面发挥了重要作用。通过提供可靠且多样化的频道，它丰富了无数生活在服务不足地区的个人的生活。随着技术的不断发展，社区适应和创新将至关重要，以确保在日益数字化的世界中保持联系。无论是通过升级现有系统还是探索新平台，目标始终如一：让社区保持信息畅通和娱乐，让人们在不断变化的环境中共享归属感。