Difference between revisions of "Frequently Asked Questions e-corders"

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=== Why can I see steps in my data instead of getting smooth curves? ===
 
=== Why can I see steps in my data instead of getting smooth curves? ===
It is likely that you have chosen a recording range which is too big and you are seeing [https://www.edaq.com/wiki/Basics_of_Data_Acquisition#Digitization digitization]. If your peaks are only a few millivolts high, and you have left the default 10 volt range, you will see stepped peaks; the signal and areas will be inaccurate. You should select a recording range slightly higher than the largest signal you will record. Have a look at the [https://www.edaq.com/wiki/Basics_of_Data_Acquisition#Range basics of data acquisition] application note.
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It is likely that you have chosen a recording range which is too big and you are seeing [https://www.edaq.com/wiki/Basics_of_Data_Acquisition#Digitization digitization]. If your peaks are only a few millivolts high, and you have left the default 10 volt range, you will see stepped peaks; the signal and areas will be inaccurate. You should select a recording range slightly higher than the largest signal you will record. Have a look at the [https://www.edaq.com/wiki/Basics_of_Data_Acquisition#Range Basics of Data Acquisition] application note.

Revision as of 18:10, 10 August 2017

Why can I see steps in my data instead of getting smooth curves?

It is likely that you have chosen a recording range which is too big and you are seeing digitization. If your peaks are only a few millivolts high, and you have left the default 10 volt range, you will see stepped peaks; the signal and areas will be inaccurate. You should select a recording range slightly higher than the largest signal you will record. Have a look at the Basics of Data Acquisition application note.