The ideal software radio requires the sampling system directly samples the amplified signal which was received by the antenna, but it can't be implemented due to the limit of technology.
理想的软件无线电电台要求对天线接收的模拟信号经过放大后直接采样，但由于技术所限很难实现，而多采用中频采样的方法。
The most ideal sampling method is the chessboard sampling.
幼虫的最佳抽样方法为棋盘式。
Computer-based virtual sampling with the appropriate gate time decided for the single-molecular photons timestamps is processed, and the ideal detection result was obtained.
利用理论分析单分子光子源最佳信噪比与采样门的对应关系，应用计算机虚拟采样测量单分子光辐射信号，获得了较理想的测量结果。
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