frequency shift transmission

简明释义

频移传输

英英释义

例句

1.In modern communication systems, frequency shift transmission 频移传输 is crucial for ensuring signal clarity over long distances.

在现代通信系统中，频移传输 frequency shift transmission 对于确保长距离信号清晰度至关重要。

2.The satellite employs frequency shift transmission 频移传输 to communicate with ground stations.

卫星采用频移传输 frequency shift transmission 与地面站进行通信。

3.The engineer explained how frequency shift transmission 频移传输 can reduce interference in crowded bandwidths.

工程师解释了如何通过频移传输 frequency shift transmission 来减少拥挤频带中的干扰。

4.In radar technology, frequency shift transmission 频移传输 helps in detecting moving objects.

在雷达技术中，频移传输 frequency shift transmission 有助于探测移动物体。

5.Using frequency shift transmission 频移传输, the data can be transmitted more efficiently in wireless networks.

使用频移传输 frequency shift transmission，数据可以在无线网络中更高效地传输。

作文

In the realm of telecommunications and signal processing, the term frequency shift transmission refers to a method where the frequency of a transmitted signal is altered to convey information. This technique is widely used in various applications, including radio broadcasting, data communication, and even in modern wireless technologies. Understanding frequency shift transmission is crucial for engineers and technicians who work with communication systems, as it plays a significant role in enhancing signal clarity and reducing interference.The concept of frequency shift transmission can be broken down into two main components: frequency modulation and frequency shifting. Frequency modulation involves varying the frequency of a carrier wave in accordance with the information being sent. This allows for more efficient use of bandwidth and improves the quality of the transmitted signal. On the other hand, frequency shifting refers to the intentional alteration of the signal's frequency to avoid interference from other signals or to meet specific regulatory requirements.One of the most common examples of frequency shift transmission is found in FM radio broadcasting. In this scenario, the audio signal (music or voice) modulates the frequency of a carrier wave. As a result, the frequency of the transmitted signal changes in real-time, allowing listeners to receive high-quality audio without the static that often accompanies AM signals. This ability to shift frequencies effectively makes FM radio a popular choice for both broadcasters and listeners alike.Another important application of frequency shift transmission is in digital communications, particularly in technologies such as Frequency Shift Keying (FSK). FSK is a method used in data transmission where digital information is transmitted through discrete frequency changes of the carrier wave. Each frequency corresponds to a different binary value, allowing for efficient and reliable data transfer over various media, including telephone lines and wireless networks.Moreover, frequency shift transmission is also utilized in modern wireless communication systems, such as Bluetooth and Wi-Fi. These technologies employ techniques similar to FSK to ensure that data packets are transmitted accurately and efficiently across different channels. By shifting frequencies, these systems can minimize the risk of interference from other devices, ensuring a stable connection for users.The importance of frequency shift transmission extends beyond just enhancing communication quality; it also plays a critical role in spectrum management. In crowded frequency bands, where multiple signals may compete for space, frequency shifting allows for better allocation of resources. This is particularly vital in urban areas where numerous devices operate simultaneously, requiring advanced techniques to maintain clear and uninterrupted communication.In conclusion, the concept of frequency shift transmission is fundamental to modern communication technologies. It encompasses various methods and applications that enhance signal quality, reduce interference, and improve overall communication efficiency. As technology continues to advance, understanding and leveraging frequency shift transmission will remain essential for engineers and professionals in the field, ensuring that we can communicate effectively in an increasingly connected world.

在电信和信号处理领域，术语频率偏移传输指的是一种方法，通过改变传输信号的频率来传达信息。这种技术广泛应用于各种应用中，包括广播、数据通信，甚至现代无线技术。理解频率偏移传输对从事通信系统工作的工程师和技术人员至关重要，因为它在增强信号清晰度和减少干扰方面发挥着重要作用。频率偏移传输的概念可以分为两个主要组成部分：频率调制和频率偏移。频率调制涉及根据所发送的信息变化载波波的频率。这允许更有效地使用带宽，并提高传输信号的质量。另一方面，频率偏移指的是为了避免其他信号的干扰或满足特定的监管要求而故意改变信号的频率。频率偏移传输最常见的一个例子是FM广播。在这种情况下，音频信号（音乐或语音）调制载波波的频率。因此，传输信号的频率实时变化，使听众能够接收高质量的音频，而不会像AM信号那样伴随静电噪声。这种有效的频率偏移能力使得FM广播成为广播者和听众的热门选择。频率偏移传输的另一个重要应用是在数字通信中，特别是在频率偏移键控（FSK）等技术中。FSK是一种在数据传输中使用的方法，通过载波波的离散频率变化来传输数字信息。每个频率对应于不同的二进制值，从而允许在包括电话线和无线网络在内的各种媒介上高效可靠地传输数据。此外，频率偏移传输还被现代无线通信系统（如蓝牙和Wi-Fi）所利用。这些技术采用类似于FSK的技术，以确保数据包在不同频道之间准确高效地传输。通过频率偏移，这些系统可以最大程度地减少来自其他设备的干扰风险，从而确保用户的稳定连接。频率偏移传输的重要性不仅在于提高通信质量；它在频谱管理中也发挥着关键作用。在拥挤的频段中，多个信号可能会争夺空间，频率偏移允许更好地分配资源。这在城市地区尤其重要，因为那里有众多设备同时运行，需要先进的技术来保持清晰和不间断的通信。总之，频率偏移传输的概念是现代通信技术的基础。它涵盖了增强信号质量、减少干扰和提高整体通信效率的各种方法和应用。随着技术的不断进步，理解和利用频率偏移传输将对工程师和专业人士在该领域保持重要性，确保我们能够在日益互联的世界中有效沟通。