通过对声光信道化接收机基本原理的分析，讨论了积分时间与接收机信噪比改善的关系。
Through the basic principle analyses of acoustooptic channelized receiver, how to improve the SNR by increasing integrating time is discussed.
本文运用分时解析法解释了LED显示屏虚拟像素的基本原理，提出了虚拟像素的实现方法，同时分析了虚拟像素的应用要点。
In this paper, we analyse the principle of LED panel's virtual pix el by time-sharing method. The realization method and main points for application of virtual pixel is also present.
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