深入理解：传真设备的工作原理 在现代通信技术中，传真设备是许多办公室和企业经常使用的一种工具。它可以发送和接收文档、图像等重要信息，无需人们亲自将纸质文件送达。下面我们将深入理解传真设备的工作原理。 一、工作原理 传真设备的基本工作原理主要基于三个部分：扫描、传输和接收。

1. 扫描：在发送端，传真机首先将纸质文档通过扫描器扫描成电子图像。这个扫描过程可以理解为把文档分解成一个个的像素点，这些像素点形成了一种电子形式的文件，这些文件能够被电脑或者特定的硬件（如传真机的扫描器）理解并处理。

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2. 传输：在文档被扫描后，传真机会将这些电子图像数据转换成数字信号，并通过电话线或者网络线路进行传输。这个过程中，数字信号会通过不同的调制解调器进行转换，以便在传输过程中能够适应不同的网络环境。 3. 接收：在接收端，数字信号被接收设备接收到后，会再次被转换成电子图像数据。然后，这些数据会被发送到接收设备的打印系统或者显示屏上，最后以纸质文档或者电子文档的形式展现出来。 二、工作流程翻译成英文： In-depth Understanding: The Working Principles of Fax Devices In modern communication technology, fax devices are frequently used tools in many offices and businesses. They can send and receive important information such as documents and images without the need for people to personally deliver paper files. Below we will delve into the working principles of fax devices. I. Working Principles

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The basic working principle of a fax device mainly relies on three parts: scanning, transmission, and reception. 1. Scanning: At the sending end, a fax machine first scans paper documents into electronic images using a scanner. This scanning process can be understood as breaking down the document into individual pixel points. These pixel points form an electronic file that can be understood and processed by a computer or specific hardware, such as the scanner of a fax machine. 2. Transmission: After the document is scanned, the fax machine converts the electronic image data into digital signals and transmits them over telephone lines or network lines. During this process, digital signals are converted through different modems to adapt to different network environments during transmission. 3.Reception: At the receiving end, the digital signals are received by the receiving device and converted back into electronic image data. These data are then sent to the printing system or display screen of the receiving device, and finally presented in the form of paper documents or electronic documents. 总体来说，传真设备通过将纸质文档转换为电子信号进行传输和接收，从而实现了文件的远程传递。在这个过程中，电子信号的稳定性和传输速度对传真的效果有着重要的影响。随着现代通信技术的不断发展，传真设备也在不断升级和改进，使得文件传输更加高效和便捷。