Digital Signal Processing Reference
In-Depth Information
PADE COMPONENT SHAPE SPECTRA with SINGLETS, DOUBLETS and TRIPLETS : PARTIAL SIGNAL LENGTH N
P
= 800
THREE TYPES of PROSTATE TISSUE : NORMAL GLANDULAR (TOP), NORMAL STROMAL (MIDDLE) and MALIGNANT (BOTTOM)
Absorption Component Shape Spectra
1000
ν
L
= 500 MHz
PADE : FPT
(−)
K = 400, N
P
= 800
Normal Glandular
800
B
0
≈
11.7 T
600
Converged
400
200
0
4.25
4
3.75
3.5
3.25
3
2.75
2.5
2.25
2
1.75
1.5
1.25
(i) Chemical shift (ppm)
Absorption Component Shape Spectra
1000
ν
L
= 500 MHz
PADE : FPT
(−)
Normal Stromal
800
B
0
≈
11.7 T
K = 400, N
P
= 800
600
Converged
400
200
0
4.25
4
3.75
3.5
3.25
3
2.75
2.5
2.25
2
1.75
1.5
1.25
(ii) Chemical shift (ppm)
Absorption Component Shape Spectra
1500
ν
L
= 500 MHz
PADE : FPT
(−)
Malignant
1250
B
0
≈
11.7 T
K = 400, N
P
= 800
1000
Converged
750
500
250
0
4.25
4
3.75
3.5
3.25
3
2.75
2.5
2.25
2
1.75
1.5
1.25
(iii) Chemical shift (ppm)
FIGURE 11.10
Converged Pade absorption component spectra at N
P
= 800 for normal glan
dular prostate (panel (i)), normal stromal prostate (panel (ii)) and malignant
prostate (panel (iii)) using in vitro MRS data derived from Ref. [443].
Search WWH ::
Custom Search