symbol synchronization

简明释义

码元同步

英英释义

例句

1.In satellite communications, symbol synchronization 符号同步 is essential for reliable data transmission.

在卫星通信中，符号同步 symbol synchronization 对于可靠的数据传输至关重要。

2.In digital communication systems, achieving symbol synchronization 符号同步 is crucial for accurate data recovery.

在数字通信系统中，实现符号同步 symbol synchronization 对于准确的数据恢复至关重要。

3.Without proper symbol synchronization 符号同步, the system may suffer from significant bit errors.

如果没有适当的符号同步 symbol synchronization，系统可能会遭受显著的位错误。

4.The algorithm adjusts the timing to achieve symbol synchronization 符号同步 in the presence of noise.

该算法调整时序以在噪声存在的情况下实现符号同步 symbol synchronization。

5.The receiver uses a phase-locked loop to maintain symbol synchronization 符号同步 with the transmitted signal.

接收器使用锁相环来与传输信号保持符号同步 symbol synchronization。

作文

In the realm of digital communications, ensuring that data is transmitted and received accurately is of utmost importance. One of the key concepts that play a crucial role in this process is symbol synchronization. This term refers to the technique used to align the timing of the received signal with the original signal, ensuring that each symbol is correctly interpreted. Without proper symbol synchronization, data can be misinterpreted, leading to errors and inefficiencies in communication systems.To understand the significance of symbol synchronization, we must first explore how digital data is transmitted. In digital communications, information is often represented in discrete symbols, which can be bits or groups of bits. These symbols are transmitted over a medium, such as radio waves or fiber optics, and must be received in the correct order and at the right time. If the timing of the received symbols is off, the receiver may interpret the data incorrectly, resulting in a loss of information.The process of symbol synchronization involves several techniques, including the use of pilot symbols, training sequences, and phase-locked loops (PLLs). Pilot symbols are known values inserted into the data stream, allowing the receiver to gauge the timing and adjust accordingly. Training sequences, on the other hand, are predefined patterns sent before the actual data, helping the receiver to lock onto the correct timing. Phase-locked loops are feedback systems that continuously adjust the timing based on the incoming signal, ensuring that the receiver stays in sync with the transmitter.One of the challenges in achieving effective symbol synchronization is dealing with various impairments that can affect the signal during transmission. Factors such as noise, interference, and multipath propagation can distort the signal, making it difficult for the receiver to maintain synchronization. Engineers and researchers constantly work on developing more robust algorithms and techniques to improve symbol synchronization in the presence of these challenges.Moreover, the importance of symbol synchronization extends beyond just the accuracy of data transmission. It also impacts the overall efficiency of communication systems. When synchronization is achieved, the system can operate at higher data rates, leading to improved throughput and reduced latency. This is particularly important in modern applications such as video streaming, online gaming, and real-time communication, where delays can significantly affect user experience.In conclusion, symbol synchronization is a fundamental aspect of digital communication that ensures the accurate and efficient transmission of data. By aligning the timing of received signals with the original transmission, it minimizes errors and enhances overall system performance. As technology continues to evolve, the methods and techniques used for symbol synchronization will also advance, paving the way for even more reliable and high-speed communication systems in the future.

在数字通信领域，确保数据的准确传输和接收至关重要。这个过程中的一个关键概念是符号同步。该术语指的是用于将接收信号的时序与原始信号对齐的技术，以确保每个符号被正确解释。如果没有适当的符号同步，数据可能会被误解，从而导致通信系统中的错误和低效。要理解符号同步的重要性，我们必须首先探讨数字数据是如何传输的。在数字通信中，信息通常用离散符号表示，这可以是比特或比特组。这些符号通过某种媒介（如无线电波或光纤）进行传输，必须按照正确的顺序和时机被接收。如果接收符号的时序不正确，接收方可能会错误地解释数据，从而导致信息丢失。符号同步的过程涉及几种技术，包括使用导频符号、训练序列和锁相环（PLL）。导频符号是插入数据流中的已知值，允许接收方评估时序并相应调整。另一方面，训练序列是在实际数据之前发送的预定义模式，帮助接收方锁定正确的时序。锁相环是一种反馈系统，根据输入信号持续调整时序，确保接收方与发射方保持同步。实现有效的符号同步的一个挑战是处理可能在传输过程中影响信号的各种干扰因素。噪声、干扰和多径传播等因素可能会扭曲信号，使接收方难以维持同步。工程师和研究人员不断致力于开发更强大的算法和技术，以提高在这些挑战下的符号同步效果。此外，符号同步的重要性不仅限于数据传输的准确性。它还影响通信系统的整体效率。当实现同步时，系统可以以更高的数据速率运行，从而提高吞吐量并降低延迟。这在现代应用（如视频流、在线游戏和实时通信）中尤为重要，因为延迟可能显著影响用户体验。总之，符号同步是数字通信的基本方面，确保数据的准确和高效传输。通过将接收信号的时序与原始传输对齐，它最小化了错误并增强了整体系统性能。随着技术的不断发展，用于符号同步的方法和技术也将不断进步，为未来更可靠和高速的通信系统铺平道路。