asynchronous transmission

简明释义

异步传输

英英释义

例句

1.The use of asynchronous transmission in serial communication helps reduce the need for synchronization between devices.

在串行通信中使用异步传输有助于减少设备之间对同步的需求。

2.In computer networks, asynchronous transmission allows data to be sent without the need for a clock signal.

在计算机网络中，异步传输允许数据在不需要时钟信号的情况下发送。

3.When using asynchronous transmission, each data packet can be sent independently, making it more flexible.

使用异步传输时，每个数据包可以独立发送，使其更加灵活。

4.Chat applications often utilize asynchronous transmission to allow users to respond at their convenience.

聊天应用程序通常利用异步传输，允许用户在方便的时候进行回复。

5.Email is an example of asynchronous transmission, where messages can be sent and received at different times.

电子邮件是一个异步传输的例子，消息可以在不同的时间发送和接收。

作文

In the world of communication technology, understanding different types of data transmission is crucial for both professionals and enthusiasts. One important concept that often comes up in discussions about data transfer is asynchronous transmission. This method of transmitting data differs significantly from synchronous transmission, and its unique characteristics make it suitable for various applications.To begin with, let’s define what asynchronous transmission means. In simple terms, it refers to a method of data transmission where the sender and receiver do not need to be synchronized to send and receive data. Instead of sending data in a continuous stream, asynchronous transmission sends data in discrete packets or blocks. Each packet is preceded by a start bit and followed by a stop bit, which helps the receiver identify the beginning and end of the data packet. This allows for more flexibility, as the sender can transmit data at irregular intervals without needing to wait for the receiver to be ready.One of the most significant advantages of asynchronous transmission is its simplicity. Since there is no need for a clock signal to synchronize the sender and receiver, this method can be easier to implement in certain systems. It is particularly useful in scenarios where data is being sent intermittently rather than in a continuous flow. For instance, keyboard inputs or mouse movements are typically transmitted using asynchronous transmission, as they occur sporadically rather than in a steady stream.Moreover, asynchronous transmission can also be more efficient in terms of bandwidth usage. Because the data packets are sent independently, there is less overhead involved compared to synchronous methods, where a constant clock signal may consume additional bandwidth. This makes asynchronous transmission an attractive option for applications where bandwidth is limited or where cost savings are a priority.However, there are some downsides to using asynchronous transmission. One notable disadvantage is that it can be less reliable than synchronous transmission, especially over long distances. The lack of synchronization means that if there is any delay or interference in the transmission, it could lead to data corruption or loss. Additionally, because each packet contains start and stop bits, asynchronous transmission can introduce more overhead than synchronous methods, which may affect performance in high-speed applications.Despite these challenges, asynchronous transmission remains a vital component of modern communication systems. It is widely used in serial communication protocols, such as RS-232, which is commonly found in computer and peripheral connections. Understanding how asynchronous transmission works can help individuals better appreciate the intricacies of data transfer and the various technologies that rely on this method.In conclusion, asynchronous transmission plays a crucial role in the field of data communication. Its ability to transmit data without the need for synchronization offers flexibility and simplicity, making it ideal for many applications. While it does have its limitations, the advantages of asynchronous transmission ensure that it will continue to be a relevant and useful method of communication in our increasingly connected world.

在通信技术的世界中，理解不同类型的数据传输对专业人士和爱好者都是至关重要的。在关于数据传输的讨论中，一个重要的概念经常出现，那就是异步传输。这种数据传输方法与同步传输有显著的不同，其独特的特性使其适合各种应用。首先，让我们定义一下异步传输的含义。简单来说，它指的是一种数据传输方法，其中发送者和接收者不需要同步来发送和接收数据。与连续流发送数据不同，异步传输以离散的数据包或块形式发送数据。每个数据包前面都有一个起始位，后面跟着一个停止位，这帮助接收者识别数据包的开始和结束。这种方式允许更大的灵活性，因为发送者可以在不需要等待接收者准备好的情况下，以不规则的间隔传输数据。异步传输最显著的优点之一是其简单性。由于不需要时钟信号来同步发送者和接收者，这种方法在某些系统中可能更容易实现。它特别适用于数据间歇性发送而非连续流动的场景。例如，键盘输入或鼠标移动通常使用异步传输进行传输，因为它们的发生是偶发的，而不是稳定的流动。此外，异步传输在带宽使用方面也可能更有效。因为数据包是独立发送的，所以与同步方法相比，涉及的开销较少，在同步方法中，持续的时钟信号可能会消耗额外的带宽。这使得异步传输成为带宽有限或成本节约优先考虑的应用的一个吸引人的选择。然而，使用异步传输也存在一些缺点。一个显著的缺点是，在长距离传输中，它可能不如同步传输可靠。缺乏同步意味着，如果传输过程中出现任何延迟或干扰，可能会导致数据损坏或丢失。此外，由于每个数据包都包含起始位和停止位，异步传输可能会引入比同步方法更多的开销，这可能影响高速应用中的性能。尽管面临这些挑战，异步传输仍然是现代通信系统的重要组成部分。它广泛应用于串行通信协议，例如RS-232，通常用于计算机和外设连接。理解异步传输的工作原理可以帮助人们更好地欣赏数据传输的复杂性以及依赖这种方法的各种技术。总之，异步传输在数据通信领域发挥着至关重要的作用。它无需同步便能传输数据的能力提供了灵活性和简单性，使其成为许多应用的理想选择。尽管存在限制，但异步传输的优势确保它将在我们日益互联的世界中继续作为一种相关且有用的通信方法。