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Altera_Forum
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14 years ago

Round or truncate? 截取和舍入对滤波器输出精度影响？

turncat and rounding on the accuracy of the filter output? designing filter with Fpga, there are two output modes, turncut and rounding. What effect on accuracy on Both methods have? Is t...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

truncating will give your output signal a DC bias. rounding will take more logic and possibly degrade fmax. for a more detailed analysis you should run a simulation