relay transmitter
简明释义
中继发射机
英英释义
A relay transmitter is a device that receives signals and retransmits them to extend the range of communication or improve signal quality. | 继电器发射器是一种接收信号并重新发送信号的设备,用于扩展通信范围或改善信号质量。 |
例句
1.The relay transmitter is crucial for maintaining connectivity in remote areas.
在偏远地区,中继发射器对维持连接至关重要。
2.In the communication network, the relay transmitter enhances signal strength over long distances.
在通信网络中,中继发射器增强了长距离信号的强度。
3.The relay transmitter helps to distribute the internet signal throughout the building.
该中继发射器帮助将互联网信号分布到整个建筑内。
4.The satellite uses a relay transmitter to send signals back to Earth.
卫星使用中继发射器将信号发送回地球。
5.To improve coverage, we installed a new relay transmitter on the mountain.
为了改善覆盖范围,我们在山上安装了一个新的中继发射器。
作文
In today's rapidly advancing technological world, communication plays a pivotal role in our daily lives. One of the essential components that facilitate effective communication is the concept of a relay transmitter. A relay transmitter (中继发射器) is a device that receives a signal and retransmits it, thus extending the range of communication systems. This technology is widely used in various fields, including telecommunications, broadcasting, and even in emergency services.The primary function of a relay transmitter is to amplify and relay signals over long distances. For instance, in telecommunications, when a call is made from one location to another, the signal must travel through various mediums. If the distance is too great, the signal may weaken, leading to poor quality or dropped calls. Here, a relay transmitter comes into play by receiving the weakened signal and boosting it before sending it on to the next point. This process ensures that the communication remains clear and uninterrupted.In broadcasting, relay transmitters are crucial for ensuring that television and radio signals reach remote areas where direct signals may not be strong enough. By placing a relay transmitter at strategic locations, broadcasters can effectively cover larger geographical areas. This has allowed people in rural and isolated regions to access information and entertainment that they might otherwise miss out on.Moreover, relay transmitters are vital in emergency services. During natural disasters or other emergencies, conventional communication lines may become compromised. In such cases, relay transmitters can be deployed to establish temporary communication networks. These devices can help rescue teams coordinate their efforts and ensure that vital information reaches those in need quickly. The reliability of a relay transmitter can be the difference between life and death in critical situations.The technology behind relay transmitters has evolved significantly over the years. Initially, these devices were large and cumbersome, requiring extensive infrastructure to operate. However, with advancements in technology, modern relay transmitters have become more compact and efficient. They can now be integrated into various devices, including smartphones and portable radios, making them more accessible to the general public.Despite their many advantages, relay transmitters also face challenges. One significant issue is interference. Signals can be disrupted by physical obstacles, weather conditions, or even other electronic devices. Engineers continuously work on improving the design and functionality of relay transmitters to minimize these issues, ensuring that communication remains as reliable as possible.In conclusion, the role of a relay transmitter (中继发射器) in modern communication cannot be overstated. From enhancing telecommunications to ensuring reliable broadcasting and supporting emergency services, these devices are integral to our interconnected world. As technology continues to advance, we can expect relay transmitters to become even more sophisticated, further improving our ability to communicate effectively across vast distances.
相关单词