解析传真设备的工作原理与性能参数 一、传真设备工作原理 传真设备，即利用电话线及电路对文档或图像进行远程传输的通信设备。它的工作原理主要基于扫描、调制和解调三个步骤。 1. 扫描：首先，通过扫描仪将原始文档或图像进行扫描，将其转化为电子信号。在这个过程中，原始的文档或图像通过高精度的传感器件，转化为可以在电子系统中进行传输的格式。

2. 调制：然后，设备通过一种名为“调制”的过程，将电子信号转换为可以通过电话线传输的频率信号。这种转换过程中，数据会被分割成许多小包，并通过模拟电话线传输出去。

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3. 解调：在接收端，接收设备会接收到这些频率信号，然后通过解调过程将其还原为原始的电子信号。这个过程中，接收设备会识别并重新组合这些小包的数据，以还原出原始的文档或图像。 二、传真设备性能参数 传真设备的性能参数主要涉及到设备的传输速度、分辨率、传输质量等几个方面。 1. 传输速度：这是指设备在单位时间内可以传输的文档或图像的数量。一般来说，传输速度越快，设备的效率就越高。 2. 分辨率：分辨率决定了传真文档或图像的清晰度。高分辨率的设备可以提供更清晰的图像和文档。 3. 传输质量：这是指设备在传输过程中对文档或图像的保持程度。高质量的设备可以保持文档或图像的高保真度，即使在长距离的传输过程中也不会产生太大的失真。 三、英文翻译 Fax Equipment: Work Principle and Performance Parameters Explanation Working Principle of Fax Equipment: Fax equipment is a communication device that uses telephone lines and circuits to remotely transmit documents or images. Its working principle is mainly based on three steps: scanning, modulation, and demodulation. 1. Scanning: First, the original document or image is scanned by a scanner and converted into an electronic signal. In this process, the original document or image is converted into a format that can be transmitted in an electronic system through high-precision sensors. 2. Modulation: Then, the device converts the electronic signal into a frequency signal that can be transmitted through the telephone line through a process called "modulation". In this process, data is divided into many small packets and transmitted out through the analog telephone line. 3. Demodulation: At the receiving end, the receiving device receives these frequency signals and restores them to the original electronic signal through the demodulation process. In this process, the receiving device identifies and reassembles these small data packets to restore the original document or image. Performance Parameters of Fax Equipment: The performance parameters of fax equipment mainly involve transmission speed, resolution, and transmission quality. 1. Transmission Speed: This refers to the number of documents or images that the device can transmit in a unit of time. Generally, the faster the transmission speed, the higher the efficiency of the device.

2. Resolution: Resolution determines the clarity of fax documents or images. A device with high resolution can provide clearer images and documents.

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3. Transmission Quality: This refers to the degree of preservation of documents or images during the transmission process. A high-quality device can maintain high fidelity of documents or images, even during long-distance transmission without causing too much distortion.