frequency modulated receiver

简明释义

调频接收机

英英释义

例句

1.The frequency modulated receiver allows us to receive signals from various frequencies without interference.

这个频率调制接收器使我们能够接收来自不同频率的信号而不受干扰。

2.To enhance our communication system, we upgraded to a new frequency modulated receiver model.

为了增强我们的通信系统，我们升级到了一个新的频率调制接收器型号。

3.The frequency modulated receiver is essential for decoding the FM signal in our devices.

在我们的设备中，频率调制接收器对于解码FM信号是必不可少的。

4.The signal was transmitted using a frequency modulated receiver, which improved the audio quality significantly.

信号通过一个频率调制接收器传输，这大大提高了音频质量。

5.In our radio station, we rely on a frequency modulated receiver for clearer sound transmission.

在我们的广播电台，我们依靠一个频率调制接收器来实现更清晰的声音传输。

作文

In the realm of communication technology, one of the most significant advancements has been the development of the frequency modulated receiver. This device plays a crucial role in the reception of frequency modulated (FM) signals, which are widely used in radio broadcasting, television transmission, and even in two-way radios. Understanding how a frequency modulated receiver works can provide insights into the broader field of electronic communication and its applications.The basic principle behind frequency modulation is that the frequency of a carrier wave is varied in accordance with the amplitude of the input signal. This variation allows for better signal quality and reduced interference compared to amplitude modulation (AM). The frequency modulated receiver is designed to decode these FM signals, extracting the original information from the modulated carrier wave.To delve deeper into its functionality, a frequency modulated receiver typically consists of several key components: an antenna, a demodulator, and an audio output stage. The antenna captures the incoming FM waves, which are then passed to the demodulator. The demodulator's role is to convert the frequency variations back into the original audio or data signal. Finally, the audio output stage amplifies this signal so that it can be heard through speakers or processed further.One of the primary advantages of using a frequency modulated receiver is its ability to maintain high sound quality even in the presence of noise. This is particularly important in radio broadcasting, where clarity and fidelity are essential for listener satisfaction. Additionally, FM signals can travel longer distances and penetrate obstacles more effectively than AM signals, making them ideal for urban environments where buildings can obstruct transmissions.Moreover, the frequency modulated receiver has found applications beyond traditional radio. In modern communication systems, such as mobile phones and satellite communications, FM technology is utilized to ensure clear and reliable transmission of voice and data. By employing advanced techniques like digital signal processing, contemporary receivers can enhance the performance of FM systems, allowing for greater efficiency and better user experience.As technology continues to evolve, the design and functionality of the frequency modulated receiver are also advancing. Innovations such as software-defined radios (SDRs) are changing the landscape of radio technology, enabling users to modify their receiver configurations through software rather than hardware changes. This flexibility allows for the integration of various communication protocols and enhances the receiver's capability to adapt to different signal conditions.In conclusion, the frequency modulated receiver is a fundamental component of modern communication systems. Its ability to accurately receive and decode FM signals has made it indispensable in various applications, from radio broadcasts to mobile communications. As we look towards the future, the continued development of this technology promises to enhance the quality and reliability of our communication networks, ultimately enriching our daily lives. Understanding the workings of a frequency modulated receiver not only highlights the importance of this device but also opens the door to exploring the vast field of electronic communication and its ongoing advancements.

在通信技术领域，最重要的进展之一是开发了频率调制接收器。该设备在接收频率调制（FM）信号中发挥着至关重要的作用，这些信号广泛用于广播、电视传输甚至双向无线电。理解频率调制接收器的工作原理可以为我们提供对电子通信及其应用的更深入的认识。频率调制的基本原理是载波的频率根据输入信号的幅度变化。这种变化使得信号质量更好，并且比幅度调制（AM）减少干扰。频率调制接收器旨在解码这些FM信号，从而从调制的载波中提取原始信息。深入了解其功能，频率调制接收器通常由几个关键组件组成：天线、解调器和音频输出级。天线捕获进入的FM波，然后将其传递给解调器。解调器的作用是将频率变化转换回原始音频或数据信号。最后，音频输出级放大该信号，以便通过扬声器播放或进一步处理。使用频率调制接收器的主要优点之一是它能够在噪声存在的情况下保持高音质。这在广播中尤其重要，因为清晰度和保真度对听众的满意度至关重要。此外，FM信号可以比AM信号传播更远的距离，并更有效地穿透障碍物，使其在建筑物可能阻碍传输的城市环境中非常理想。此外，频率调制接收器的应用超出了传统广播。在现代通信系统中，如手机和卫星通信，FM技术被用于确保语音和数据的清晰可靠传输。通过采用先进的数字信号处理技术，当代接收器可以增强FM系统的性能，从而实现更高的效率和更好的用户体验。随着技术的不断发展，频率调制接收器的设计和功能也在不断进步。软件定义无线电（SDR）等创新正在改变无线电技术的格局，使用户能够通过软件而不是硬件更改来修改其接收器配置。这种灵活性允许整合各种通信协议，并增强接收器适应不同信号条件的能力。总之，频率调制接收器是现代通信系统的基本组成部分。它准确接收和解码FM信号的能力使其在从广播到移动通信的各种应用中不可或缺。展望未来，这项技术的持续发展有望增强我们通信网络的质量和可靠性，最终丰富我们的日常生活。理解频率调制接收器的工作原理不仅突显了该设备的重要性，也为探索电子通信的广阔领域及其持续进步打开了大门。