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What is random interleaved sampling (RIS)?

April 26, 2017interleaved RIS Sampling

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What is random interleaved sampling (RIS)?

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Random interleaved sampling (RIS) is a form of equivalent-time sampling (ETS) for sampling repetitive signals so that the effective sampling rate is higher than the real sampling rate. RIS is accomplished by acquiring a series of points along a repetitive waveform for each occurrence of a trigger. The waveform is then reconstructed from the data acquired over many cycles. • What is flexible resolution? Flexible Resolution ADC is a patented measurement method whereby the resolution is determined by the sampling rate. The resolution is inversely proportional to the sampling rate. This technology is used on the NI 5911 flexible resolution oscilloscope. • On the boards with two channels (NI 5102 and NI 5112) – are they multiplexed or simultaneously sampled? These boards have an amplifier and ADC for each channel, so one can simultaneously sample both channels at the maximum rate. • Can I synchronize multiple boards? You can synchronize multiple boards using RTSI, PFI or the PXI Star Trigge