以下为句子列表：
英文: This text introduces a kind of video detecting technique that can be used extensively in video matrix system, its principle is to detect intensity of the signal of the video and synchronous information through the module of video detection in real time, a
中文: 摘要介绍一种在视频矩阵系统中可以广泛应用的视频检测技术，其原理是视频检测模块对视频信号的强度和同步信息进行实时检测，然后再将检测后的数据通过RS232通讯反馈到矩阵系统的主机，从而矩阵系统就能够实时获取所监控范围内各摄像机的视频质量信息，进而可以作出相关决策。
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