Digital Signal Processing Reference
In-Depth Information
TABLE 9.3
Padereconstructions from a theoretically generated FID reminiscent of in
vitro MRS data as encoded from malignant ovarian cyst fluid [343]. The
retrieved data converged at N/16 = 64 (N = 1024) on the middle panel (ii).
CONVERGENCE of SPECTRAL PARAMETERS & CONCENTRATIONS in FPT
(−)
; SIGNAL LENGTH: N/M, N = 1024, M = 8 − 32
(i) N/32 = 32 (Malignant)
n
o
k
(Metabolite # k)
−
k
) (ppm)
−
k
) (ppm)
|d
−
k
| (au)
C
−
k
(
Re(
ν
Im(
ν
µ
M/L ww)
M
k
(Assignment)
2
1.039257
0.001406
0.148343
484
Valine (Val)
4
1.409062
0.001372
2.046372
6688
Lactate (Lac)
5
1.446902
0.008300
0.196825
643
Alanine (Ala)
6
1.712040
0.004160
0.174575
570
Lysine (Lys)
7
2.101571
0.031100
0.028695
93
Methionine (Met)
8
2.470096
0.000838
0.251929
823
Glutamine (Gln)
9
3.069839
0.003200
0.028376
92
Creatine (Cr)
10
3.165277
0.003440
0.028617
93
Creatinine (Crn)
12
5.220345
0.000839
0.079557
260
Glucose (Glc)
−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−
(ii) N/16 = 64 (Malignant)
n
o
k
(Metabolite # k)
−
k
) (ppm)
−
k
) (ppm)
|d
−
k
| (au)
C
−
k
(
Re(
ν
Im(
ν
µ
M/L ww)
M
k
(Assignment)
1
1.020219
0.000828
0.024174
79
Isoleucine (Iso)
2
1.040048
0.000831
0.120869
395
Valine (Val)
3
1.330124
0.000832
0.075887
248
Threonine (Thr)
4
1.410235
0.000838
2.000000
6536
Lactate (Lac)
5
1.510318
0.000834
0.179315
586
Alanine (Ala)
6
1.720125
0.000833
0.149939
490
Lysine (Lys)
7
2.130246
0.000829
0.018972
62
Methionine (Met)
8
2.470118
0.000835
0.253366
828
Glutamine (Gln)
9
3.050039
0.000832
0.020196
66
Creatine (Cr)
10
3.130227
0.000831
0.024174
79
Creatinine (Crn)
11
3.190136
0.000830
0.012852
42
Choline (Cho)
12
5.220345
0.000839
0.079559
260
Glucose (Glc)
−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−
(iii) N/8 = 128 (Malignant)
n
o
k
(Metabolite # k)
−
k
) (ppm)
−
k
) (ppm)
|d
−
k
| (au)
C
−
k
(
Re(
ν
Im(
ν
µ
M/L ww)
M
k
(Assignment)
1
1.020219
0.000828
0.024174
79
Isoleucine (Iso)
2
1.040048
0.000831
0.120869
395
Valine (Val)
3
1.330124
0.000832
0.075887
248
Threonine (Thr)
4
1.410235
0.000838
2.000000
6536
Lactate (Lac)
5
1.510318
0.000834
0.179315
586
Alanine (Ala)
6
1.720125
0.000833
0.149939
490
Lysine (Lys)
7
2.130246
0.000829
0.018972
62
Methionine (Met)
8
2.470118
0.000835
0.253366
828
Glutamine (Gln)
9
3.050039
0.000832
0.020196
66
Creatine (Cr)
10
3.130227
0.000831
0.024174
79
Creatinine (Crn)
11
3.190136
0.000830
0.012852
42
Choline (Cho)
12
5.220345
0.000839
0.079559
260
Glucose (Glc)
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