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NI Labview, SignalExpress, Power Spectrum (Spectra)

NI Labview, SignalExpress, Power Spectrum (Spectra)

RE: NI Labview, SignalExpress, Power Spectrum (Spectra)

would you please explain it "mathematically" ?

RE: NI Labview, SignalExpress, Power Spectrum (Spectra)

Please refrain from double posting. Your question was already answered: thread31-384452: Need Help. NI Labview, SignalExpress, power spectrum (spectra)

FAQ731-376: Eng-Tips.com Forum Policies

Need help writing a question or understanding a reply? forum1529: Translation Assistance for Engineers

Of course I can. I can do anything. I can do absolutely anything. I'm an expert!
There is a homework forum hosted by engineering.com: http://www.engineering.com/AskForum/aff/32.aspx

RE: NI Labview, SignalExpress, Power Spectrum (Spectra)

dB=20*log10(psd in engineering units per sqrt(Hz)/1.0)

The slight oddity is they have use V/sqrt(Hz) rather than V^2/Hz, but that is not uncommon, and the relationship is obvious.

I suggest you read and understand the section on engineering units and dB in this



Greg Locock

New here? Try reading these, they might help FAQ731-376: Eng-Tips.com Forum Policies http://eng-tips.com/market.cfm?

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