uhf tuner
简明释义
特高频党器
英英释义
A UHF tuner is a device that receives and decodes Ultra High Frequency (UHF) television signals, allowing viewers to access broadcast channels. | UHF调谐器是一种接收和解码超高频(UHF)电视信号的设备,使观众能够访问广播频道。 |
例句
1.The new flat-screen TV comes equipped with an advanced uhf tuner for better reception.
这款新型平板电视配备了先进的超高频调谐器,以获得更好的接收效果。
2.If you're using an old antenna, make sure it is compatible with your uhf tuner.
如果您使用的是旧天线,请确保它与您的超高频调谐器兼容。
3.You can improve your TV signal by upgrading your uhf tuner.
通过升级您的超高频调谐器,您可以改善电视信号。
4.To watch digital television channels, you need a device with a built-in uhf tuner.
要观看数字电视频道,您需要一台内置超高频调谐器的设备。
5.Many cable boxes have an integrated uhf tuner to access various channels.
许多有线电视机顶盒都内置了超高频调谐器以访问各种频道。
作文
In the world of television technology, the term UHF tuner refers to a device that enables the reception of Ultra High Frequency (UHF) signals. UHF is a range of electromagnetic waves with frequencies between 300 MHz and 3 GHz, which are used for various forms of communication, including television broadcasts. The UHF tuner plays a crucial role in allowing viewers to access a wide array of channels that transmit their content over these frequencies. With the transition from analog to digital broadcasting, the importance of having a functional UHF tuner has only increased, as many channels have migrated to digital formats that require specialized tuners for proper reception.The UHF tuner is typically built into modern televisions, but it can also be found in external devices such as set-top boxes and digital video recorders. This versatility allows users to enhance their viewing experience by providing access to high-definition channels and additional features like recording and pausing live TV. In regions where cable subscriptions are not available or affordable, the UHF tuner enables viewers to receive free over-the-air broadcasts, making it an essential component for many households.One of the main advantages of using a UHF tuner is its ability to pick up signals from a greater distance compared to its counterpart, the VHF (Very High Frequency) tuner. UHF signals can travel further and penetrate obstacles better, which means that users can enjoy clearer reception even when they are located far from the broadcast tower. This characteristic makes the UHF tuner particularly valuable in rural areas where access to cable services may be limited.Moreover, the introduction of digital broadcasting has improved the quality of the signal received by the UHF tuner. Digital signals are less susceptible to interference and provide a clearer picture and sound quality than traditional analog signals. This enhancement has led to a significant increase in the number of available channels, as broadcasters can now transmit multiple sub-channels within the same frequency range. As a result, viewers can enjoy a diverse selection of programming without the need for a cable subscription.However, it is important to note that not all UHF tuners are created equal. Some models may offer better sensitivity and selectivity than others, which can impact the overall viewing experience. Consumers should consider these factors when purchasing a television or external tuner to ensure optimal performance. Additionally, the installation of an appropriate antenna is crucial for maximizing the capabilities of the UHF tuner. A good-quality antenna can significantly improve signal reception, allowing users to access more channels and enjoy a better viewing experience.In conclusion, the UHF tuner is an essential component of modern television technology, enabling viewers to access a wide range of channels and enjoy high-quality programming. Its ability to receive UHF signals makes it particularly valuable in areas with limited cable options, while the transition to digital broadcasting has further enhanced its importance. As technology continues to evolve, the UHF tuner will remain a vital part of the television landscape, providing viewers with the entertainment they desire without the need for costly subscriptions.
在电视技术的世界中,术语UHF调谐器指的是一种能够接收超高频(UHF)信号的设备。UHF是一种电磁波的范围,频率在300 MHz到3 GHz之间,广泛用于各种通信形式,包括电视广播。UHF调谐器在允许观众访问通过这些频率传输内容的众多频道方面发挥着至关重要的作用。随着从模拟广播向数字广播的过渡,拥有一个功能正常的UHF调谐器的重要性只增不减,因为许多频道已迁移到需要专用调谐器才能正确接收的数字格式。UHF调谐器通常内置于现代电视中,但也可以在外部设备中找到,例如机顶盒和数字视频录像机。这种多功能性使用户能够通过提供对高清频道和录制、暂停直播电视等附加功能的访问来增强他们的观看体验。在没有有线订阅或负担不起的地区,UHF调谐器使观众能够接收免费的地面广播,从而成为许多家庭的必备组件。使用UHF调谐器的主要优点之一是它能够比其对应物,即VHF(超高频)调谐器接收更远的信号。UHF信号可以传播得更远并更好地穿透障碍物,这意味着用户即使位于离广播塔较远的地方,也能享受更清晰的接收效果。这一特性使得UHF调谐器在有线服务可能有限的乡村地区特别有价值。此外,数字广播的引入改善了UHF调谐器接收到的信号质量。数字信号对干扰的抵抗力更强,提供的画面和音质比传统模拟信号更清晰。这一提升导致可用频道数量显著增加,因为广播商现在可以在同一频率范围内传输多个子频道。因此,观众可以在不需要有线订阅的情况下享受多样化的节目选择。然而,重要的是要注意,并非所有的UHF调谐器都是相同的。有些型号可能比其他型号提供更好的灵敏度和选择性,这可能会影响整体观看体验。消费者在购买电视或外部调谐器时应考虑这些因素,以确保最佳性能。此外,安装合适的天线对于最大限度地发挥UHF调谐器的能力至关重要。一款优质天线可以显著改善信号接收,使用户能够访问更多频道并享受更好的观看体验。总之,UHF调谐器是现代电视技术的重要组成部分,使观众能够访问各种频道并享受高质量的节目。其接收UHF信号的能力在有线选择有限的地区尤其有价值,而向数字广播的过渡进一步增强了其重要性。随着技术的不断发展,UHF调谐器将继续作为电视领域的重要部分,为观众提供他们所渴望的娱乐,而无需支付高昂的订阅费用。