radio transmitter

简明释义

无线电发射机

英英释义

例句

1.We need to repair the radio transmitter before the event starts.

在活动开始之前，我们需要修理广播发射机。

2.He works as an engineer for a company that manufactures radio transmitters.

他在一家制造广播发射机的公司担任工程师。

3.The radio transmitter broadcasts news updates every hour.

广播发射机每小时播报新闻更新。

4.The radio transmitter is essential for communication in remote areas.

在偏远地区，广播发射机对于沟通至关重要。

5.The new radio transmitter has significantly increased our broadcast range.

新的广播发射机显著扩大了我们的广播范围。

作文

In today's world, communication is more important than ever. One of the key components that enables effective communication over long distances is the radio transmitter. A radio transmitter is a device that converts electrical energy into radio waves, allowing information to be sent through the air. This technology has revolutionized the way we connect with one another, whether it be through radio broadcasts, television signals, or even in our mobile devices.The history of the radio transmitter dates back to the late 19th century when pioneers like Guglielmo Marconi began experimenting with wireless communication. Marconi's work laid the foundation for modern radio technology, and his first successful transmission across the Atlantic Ocean in 1901 marked a significant milestone in the field. The radio transmitter has since evolved, becoming more sophisticated and efficient, allowing for clearer signals and greater distances.A typical radio transmitter consists of several components, including an oscillator, modulator, amplifier, and antenna. The oscillator generates a carrier wave, which is then modulated with the information signal, such as voice or music. The amplified signal is then sent to the antenna, which radiates the radio waves into the surrounding environment. This process allows for the transmission of information to receivers, which can decode the signals and convert them back into sound or data.One of the most significant applications of the radio transmitter is in broadcasting. Radio stations use powerful radio transmitters to reach large audiences, transmitting news, music, and entertainment to listeners across vast areas. Similarly, television stations rely on radio transmitters to send visual content to viewers, making it possible to enjoy programs from the comfort of our homes.Moreover, radio transmitters play a crucial role in emergency communication systems. During natural disasters or other emergencies, reliable communication is essential for coordinating rescue efforts and disseminating vital information. Emergency services often utilize dedicated radio transmitters to ensure their messages reach those in need, even when traditional communication networks are down.In recent years, the advent of digital technology has further transformed the landscape of radio transmitters. Digital broadcasting allows for higher quality audio and video signals, as well as the ability to transmit multiple channels on the same frequency. This innovation has made it easier for listeners and viewers to access a variety of content without interference.As we look to the future, the importance of radio transmitters will only continue to grow. With the increasing demand for wireless communication, advancements in this technology will likely lead to even more efficient and powerful radio transmitters. The development of new materials and techniques may enable us to create smaller, more portable devices that can transmit signals over greater distances.In conclusion, the radio transmitter is a vital component of modern communication systems. From its historical roots to its current applications in broadcasting and emergency services, it has changed the way we connect with each other. As technology continues to advance, the radio transmitter will undoubtedly play an essential role in shaping the future of communication.

在今天的世界中，沟通比以往任何时候都重要。使远距离有效沟通成为可能的关键组成部分之一就是无线电发射器。无线电发射器是一种将电能转换为无线电波的设备，从而允许信息通过空气发送。这项技术彻底改变了我们彼此之间的连接方式，无论是通过广播、电视信号，还是在我们的移动设备中。无线电发射器的历史可以追溯到19世纪末，当时像古列尔莫·马可尼（Guglielmo Marconi）这样的先驱开始实验无线通信。马可尼的工作为现代无线电技术奠定了基础，他在1901年成功完成的跨大西洋首次传输标志着这一领域的重要里程碑。无线电发射器自此演变得更加复杂和高效，使得信号更清晰、传播距离更远。一个典型的无线电发射器由几个组件组成，包括振荡器、调制器、放大器和天线。振荡器生成载波，随后用信息信号（如语音或音乐）进行调制。增强后的信号发送到天线，天线将无线电波辐射到周围环境中。这个过程使得信息能够传输到接收器，接收器能够解码信号并将其转换回声音或数据。无线电发射器最重要的应用之一是在广播中。广播电台使用强大的无线电发射器来覆盖大面积受众，向听众传播新闻、音乐和娱乐。同样，电视台也依赖无线电发射器将视觉内容发送给观众，使我们能够在家中舒适地享受节目。此外，无线电发射器在紧急通信系统中也发挥着至关重要的作用。在自然灾害或其他紧急情况下，可靠的通信对于协调救援工作和传播重要信息至关重要。紧急服务通常利用专用的无线电发射器来确保他们的信息能够传达给需要的人，即使传统的通信网络已经瘫痪。近年来，数字技术的出现进一步改变了无线电发射器的格局。数字广播允许更高质量的音频和视频信号，以及在同一频率上发送多个频道的能力。这项创新使得听众和观众更容易访问多种内容，而不会受到干扰。展望未来，无线电发射器的重要性只会继续增长。随着对无线通信需求的增加，这项技术的进步可能会导致更高效、更强大的无线电发射器的发展。新材料和技术的开发可能使我们能够创造出更小、更便携的设备，能够在更远的距离上传输信号。总之，无线电发射器是现代通信系统的重要组成部分。从其历史根源到在广播和紧急服务中的当前应用，它改变了我们彼此之间的连接方式。随着技术的不断进步，无线电发射器无疑将在塑造通信的未来中发挥重要作用。