RF driving function, fn(t) |
sech(β(2t/Tp-1)n) |
Constant |
Relative RF integral, I(n) |
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Relative RF power, P(n) |
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Total pulse length, Tp, s |
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Amplitude modulation function, ω1(t) |
ω1maxfn(t)[comb(bwt)⊕rect(bwdct)] |
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Frequency modulation function, ωRF(t) ,rad/s |
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Constant |
Flip angle, θ, rad |
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Peak RF amplitude, ω1max, rad/s |
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≈ 3θbw
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Relative RF energy, J, rad2/s |
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≈ 3θ2bw
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Relative RF energy (Ernst angle), J, rad2/s |
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Relative SAR (Ernst angle), SAR, rad2/s2
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Relative amplitudes of sidebands, Am
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≈ sinc(mdc) |
- |