Page 40 - 《应用声学》2022年第5期
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716 2022 年 9 月
ܦᤴ/(mSs -1 ) ܦᤴ/(mSs -1 )
1550
1560
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1550
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1540 5
1 1530
30 30
1530
y/mm 40 3 1520 y/mm 40 6 1520
50 2 50 4
1510 1510
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1500
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1490
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x/mm x/mm
(a) ڏ6(d)ᄊԦڏϸ (b) ڏ6(e)ᄊԦڏϸ
1570
1560
1550
1540
z/mm 1530 ܦᤴ/(mSs -1 )
1520
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x/mm y/mm
(c) Ⴡԫ1˗ॷͯᎶഷѭ᭧ԣᅺ࿄᭧Ԧʼ፥ڏ
图 8 乳腺三维反演图像
Fig. 8 Three-dimensional inversion image of breast
1570 1540 1520
Ⴡԫ1ʷ፥ܦᤴ 1535 Ⴡԫ2ʷ፥ܦᤴ Ⴡԫ3ʷ፥ܦᤴ
1560 വی വی 1515
Ԧ 1530 Ԧ
1550 1525 1510
ܦᤴ/(mSs -1 ) 1530 ܦᤴ/(mSs -1 ) 1520 ܦᤴ/(mSs -1 ) 1500 വی
1540
1505
1515
1510
1495
1520
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1500 1490 Ԧ
1500 1495 1485
1490 1490 1480
0 10 20 30 40 50 60 70 80 0 10 20 30 40 50 60 70 80 0 10 20 30 40 50 60 70 80
x/mm x/mm x/mm
(a) ڏ8(a)˗᧚ጳᄊʷ፥ܦᤴҖ᭧
1560 1550 1550
Ⴡԫ4ʷ፥ܦᤴ Ⴡԫ5ʷ፥ܦᤴ Ⴡԫ6ʷ፥ܦᤴ
1550 വی 1540 വی 1540 വی
Ԧ Ԧ Ԧ
1540 1530 1530
ܦᤴ/(mSs -1 ) 1530 ܦᤴ/(mSs -1 ) 1520 ܦᤴ/(mSs -1 ) 1520
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0 10 20 30 40 50 60 70 80 0 10 20 30 40 50 60 70 80 0 10 20 30 40 50 60 70 80
x/mm x/mm x/mm
(b) ڏ8(b)˗᧚ጳᄊʷ፥ܦᤴҖ᭧
图 9 乳腺反演成像中的一维声速剖面
Fig. 9 One-dimensional sound velocity profile in breast inversion imaging