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Diffusion Manual Outline

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28<br />

loop l20<br />

{<br />

p16 { (0) | (0) | (0),sin(2,100) }<br />

{ (0) | (0) | (0) }<br />

p16 { (0) | (0) | (0),-sin(2,100) }<br />

{ (0) | (0) | (0) }<br />

p19 { (0) | (0) | (0),sin(cnst22,100) }<br />

{ (0) | (0) | (0) }<br />

p16 { (0) | (0) | (0),sin(2,100) }<br />

{ (0) | (0) | (0) }<br />

p16 { (0) | (0) | (0),-sin(2,100) }<br />

{ (0) | (0) | (0) }<br />

p19 { (0) | (0) | (0),sin(cnst23,100) }<br />

{ (0) | (0) | (0) }<br />

}<br />

loop td1 <br />

{<br />

loop ns<br />

{<br />

p16 { (0) | (0) | (0),sin(100,100)*dramp(100) }<br />

{ (0) | (0) | (0) }<br />

p16 { (0) | (0) | (0),-sin(100,100)*dramp(100) }<br />

{ (0) | (0) | (0) }<br />

p19 { (0) | (0) | (0),sin(cnst22,100) }<br />

{ (0) | (0) | (0) }<br />

p16 { (0) | (0) | (0),sin(100,100)*dramp(100) }<br />

{ (0) | (0) | (0) }<br />

p16 { (0) | (0) | (0),-sin(100,100)*dramp(100) }<br />

{ (0) | (0) | (0) }<br />

p19 { (0) | (0) | (0),sin(cnst23,100) }<br />

{ (0) | (0) | (0) }<br />

}<br />

}<br />

;ledbpgs2s1d<br />

;avance-version<br />

;1D sequence for diffusion measurement using stimulated<br />

; echo and LED<br />

;using bipolar gradient pulses for diffusion<br />

;using 2 spoil gradients<br />

;D. Wu, A. Chen & C.S. Johnson Jr.,<br />

; J. Magn. Reson. A 115, 260-264 (1995).<br />

#include <br />

#include <br />

"p2=p1*2"<br />

"d30=d21-p19-d16-4u"<br />

"d31=d20-p1*2-p2-p16*2-d16*2-p19-d16"<br />

1 ze<br />

2 d1 BLKGRAD<br />

3 50u UNBLKGRAD<br />

p1 ph1<br />

GRADIENT(cnst21)<br />

d16<br />

p2 ph1<br />

GRADIENT(-cnst21)<br />

d16<br />

p1 ph2<br />

GRADIENT2(cnst22)<br />

d16<br />

d31<br />

p1 ph3<br />

GRADIENT(cnst21)<br />

d16<br />

p2 ph1<br />

GRADIENT(-cnst21)<br />

d16<br />

p1 ph4<br />

GRADIENT2(cnst23)

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