書誌事項
- タイトル別名
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- Limit of Biological Structure Estimation by Ultrasound Reflection Coefficient
- チョウオンパ ハンシャ ケイスウ ニ ヨル セイタイナイ コウゾウ スイテイ ノ ゲンカイ ニ ツイテ ノ イチ コウサツ
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説明
The echograph by ultrasound is widely utilized. Because of the complex structure inside of the body, however, the image is affected. Usually, it is assumed that the transmitted pulse progresses without phase distortion, and only the amplitude decay is compensated in imaging. The estimation of the internal structure by reflected ultrasound is formulated as a problem, where the reflected wave from the transmitted pulse is observed on the body surface, based on which the characteristic impedance of the cascade structure is to be estimated. When there is an attenuation, however, this problem is improperly-posed and the solution is not unique. This paper examines to what extent the solution obtained by the conventional method deviates from the actual structure, considering the phase distortion of the waveform.
収録刊行物
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- 電気学会論文誌E(センサ・マイクロマシン部門誌)
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電気学会論文誌E(センサ・マイクロマシン部門誌) 122 (9), 433-439, 2002
一般社団法人 電気学会
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詳細情報 詳細情報について
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- CRID
- 1390001204460252928
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- NII論文ID
- 10009583726
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- NII書誌ID
- AN1052634X
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- ISSN
- 13475525
- 13418939
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- NDL書誌ID
- 6284181
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可