公开(公告)号：US09423822B1

公开(公告)日：2016-08-23

申请号：US14209667

申请日：2014-03-13

Applicant: The MathWorks, Inc.

Inventor： Manisha Singh ,  Robert Purser ,  Wael Hemdan

IPC: G06F1/00 ,  G06F1/08

CPC classification number: G06F1/12

Abstract: Embodiments of the disclosed subject matter can provide techniques for synchronizing data acquisition (DAQ) modules in a data acquisition system. In data acquisition systems where multiple DAQ modules are in use, it can be desirable to synchronize the DAQ modules to facilitate the analysis of signals captured by sensors coupled to those DAQ modules. This way, a signal processing platform, such as a computer, can analyze different sensor signals (e.g., an audio sensor and vibration sensor) without separately compensating for the time difference between the audio and vibration signals. In some embodiments, the synchronization techniques can include an automatic or a semi-automatic mechanism for temporally synchronizing the sensors and for arbitrating the sampling rate between the data acquisition systems.

Abstract translation: 所公开的主题的实施例可以提供用于在数据采集系统中同步数据采集（DAQ）模块的技术。 在使用多个DAQ模块的数据采集系统中，可以期望同步DAQ模块，以便于对耦合到这些DAQ模块的传感器捕获的信号进行分析。 这样，诸如计算机的信号处理平台可以分析不同的传感器信号（例如，音频传感器和振动传感器），而不需要分别补偿音频和振动信号之间的时间差。 在一些实施例中，同步技术可以包括用于在时间上同步传感器和用于仲裁数据采集系统之间的采样率的自动或半自动机构。