Method and device for accessing data acquired by digital oscilloscope, and digital oscilloscope
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United States of America Patent
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May 19, 2020
Grant Date -
Oct 5, 2017
app pub date -
Jun 16, 2017
filing date -
Dec 31, 2014
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Abstract
A method for accessing data acquired by a digital oscilloscope, consists of the following steps: sampling signals based on a preset sampling frequency and converting into binary data by an ADC, continuously storing the data into a buffer based on preset rules; simultaneously, generating one trigger event based on preset timebase parameters and trigger conditions each time when acquired data meets the, trigger, conditions; reading a data segment from the buffer corresponding to the trigger event, and forming a waveform and then displaying. The procedure of storing, the acquired data into the buffer is independent of the procedure of generating the trigger event or reading the data segment or displaying the waveform. The implementation of the method and device for accessing data acquired by a digital oscilloscope as well as the digital oscilloscope brings the following advantages: seamless acquisition is achieved, the sampling rate is not restricted by timebase parameters, and the memory depth is not restricted by the waveform processing speed as traditional oscilloscope.
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