本文介绍了基于等效时间采样技术的高速数据采集的基本原理，重点研究了顺序采样在等效采样技术中的应用。
This paper introduced the principle of high-speed data acquisition based on the equivalent time sampling, especially the application of ordinal sampling in the equivalent time sampling technology.
数码钢琴艺术的现状是基于采样技术，录制下每个音符在一段时间内的发声，丝毫没有考虑到乐器本身的复杂性。
The state of the art of digital pianos is based on sampling technology. Each note is a recording of how it sounded at a specific moment, without taking into account the complexity of the instrument.
为了提高信噪比，采用了信号平均技术，并通过实验确定了最佳采样时间和平均次数。
The signal average method was used in order to increase the S/N ratio, and the optimum sweep time and average times were experimentally determined.
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