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Method and device in order to synchronize on a event packaging, the sampling of measurement signals by a set of digitalization of the type a sampling on -.
Method and device in order to synchronize on a event packaging, the sampling of measurement signals by a set of digitalization of the type a sampling on -.
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机译:为了在事件封装上同步方法和设备,通过一组数字化类型的数字化采样对测量信号进行采样。
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摘要
A digitising assembly of the oversampling type comprises an analog-digital converter (2) producing, at a frequency F=kf, samples of reduced format p and a digital filter (3) which, by adding a certain number n of oversamples, produces validated samples of format P at the frequency f, at instants fixed by a clock. In order to synchronise the sampling instants with respect to an external event which can occur at any time, a temporary storage memory (5) is interposed between the converter (2) and the filter (3) and, as a function of the instant of arrival of this event, the appropriate samples to be sent to the filter in order to be added are selected. …??Application to the synchronisation of seismic data acquisition systems for example. …IMAGE…
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