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。
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.
b——采样期间在虚拟内存中等待队列的平均内核线程数。
B — the average number of kernel threads that are in the virtual memory waiting queue over your sampling interval.
采样示波卡的研制，采用了虚拟仪器的设计思想。
The sampling oscilloscope , using the design procedure of virtual instrument, is developed.
研究平台包括了MIT-BIH数据库及其重采样数据库、同步12导数据库、虚拟心电信号发生器。
The platform includes MIT-BIH database and its resample database, a 12 channel synchronous ECG database and a virtual ECG generator.
为了克服现有的欠采样频率估计方法存在的算法复杂、工程实现困难等问题，本文提出了一种基于虚拟仪器的三采样率切换的频率估计方法。
Based on an auxiliary time-delay channel and ESPRIT approach, a new algorithm for wide band frequency estimation with sub-Nyquist sampling was proposed.
为了克服现有的欠采样频率估计方法存在的算法复杂、工程实现困难等问题，本文提出了一种基于虚拟仪器的三采样率切换的频率估计方法。
Based on an auxiliary time-delay channel and ESPRIT approach, a new algorithm for wide band frequency estimation with sub-Nyquist sampling was proposed.
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