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=== Overall Level=== | === Overall Level=== | ||
Why the overall RMS level of my Spectrum mismatches with the sum of spectrum lines ? | '''Frequently asked question :'''<br> | ||
'''Why the overall RMS level of my Spectrum mismatches with the sum of spectrum lines ?''' | |||
ENBW is the key... :) | ENBW is the key... :) | ||
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ENBW kaiser bessel windows = 1.8 | ENBW kaiser bessel windows = 1.8 | ||
ENBW Flat Top windows = 3.77 | ENBW Flat Top windows = 3.77 | ||
===Computation of FFT=== | ===Computation of FFT=== |