Over the past decades, engineers have introduced numerous technologies that rely on light and its underlying characteristics. These include photonic and quantum systems that could advance imaging, ...

数字传输（Digital Transmission）是指将二进制数字信号（0和1的序列）通过传输介质发送到接收端的通信过程。它是现代网络的核心，与模拟传输（连续波形，如老式电话线）相对。为什么数字传输这么重要？因为它抗噪性强、易于处理和存储。在计算机时代，一切数据都数字化：文本、图像、视频，全都转化为比特流（bit ...