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MTF (Modulation Transfer Function)
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MTF (Modulation Transfer Function)

Hi all,
I’m an MSc student on a department of Diagnostic radiology.
And, some questions that I’ve;
What means the terms which below;
MTF (Modulation Transfer Function)
NPS (Noise Power Spectrum)
DQE (Detective Quantum Efficiency)

Also, I’m curious that do the terms above change with kVp?
Regards,
1236893_tn?1408490528
http://en.wikipedia.org/wiki/Modulation_transfer_function_(infrared_imaging)

http://en.wikipedia.org/wiki/Noise_spectral_density

http://en.wikipedia.org/wiki/Detective_quantum_efficiency

http://www.google.com/search?client=opera&q=Modulation+Transfer+Function+Noise+Power+Spectrum&sourceid=opera&ie=utf-8&oe=utf-8&channel=suggest#client=opera&hs=p1h&hl=en&channel=suggest&sclient=psy-ab&q=Modulation+Transfer+Function%2C+Noise+Power+Spectrum%2C+Detective+Quantum+Efficiency+do+those+terms+change+with+kVp&oq=Modulation+Transfer+Function%2C+Noise+Power+Spectrum%2C+Detective+Quantum+Efficiency+do+those+terms+change+with+kVp&gs_l=serp.12...3802.69371.3.71128.29.29.0.0.0.2.1402.6786.11j2j0j1j1j1j2j2.20.0...0.9...1c.1j2.14.psy-ab.Wxg7iKvb4BQ&pbx=1&bav=on.2,or.r_qf.&bvm=bv.46751780,d.dmQ&fp=bdc3191b573063bc&biw=1322&bih=533
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