英文誌(2004-)
Original Article(原著)
(S045 - S047)
On a Study of Frequency Analsis by the Vibralyzer and the Zero Crossing Counter for Ultrasonic Doppler Signals Reflected from the Fetus
T. MOROHASHI1, K. NEMOTO1, T. ICHIKAWA1, K. YAMANAKA1, H. ITOH2, T. OKUMURA2
1Department of Obstetrics and Gynecology, School of Medicine, Keio University, 2Medical Electronics Department, Industrial Automation Division, Nippon Electric Co. Ltd.
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