지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2005.1
- 수록면
- 341 - 347 (7page)
이용수
초록· 키워드
오류제보하기
A unique technique to extract the phase in time domain is proposed in order to measure the time parameters such as speed and depth by transmitting sound and electric waves. In the signal analysis processing, the phase of pulse signal can be transformed and digitalized with local data in real time without the effect of direct current bias and Nyquist limits. This method is sensitive to base frequency of pulse signal with high spacial resolution and is effective to compare two signals which have different forms. It is expected that the phase analysis technique will be applied to the measurement of the speed and depth accurately by ultrasonic pulse signal in water.
목차
등록된 정보가 없습니다.
참고문헌 (11)
참고문헌 신청
/ / Phase Unwrapping of digital signals IEEE Trans. on Acoustic : 1693 ~ 1702
/ 1890 / Instantaneous envelop and phase extraction from real signals : 373 ~ 385
/ 1987 / A new velocity algorithm for sing-around-type flow meters IEEE Trans on Ultrasonic : 4 ~ 34
/ 1989 / A novel technique to measure the group velocity of sound in dispersive media IEEE Trans. on Ultrasonic : 481 ~ 484
/ 1989 / a New aliaing extension method for ultrasonic 2-dimensional pulsed Dopper system : 233 ~ 244
/ 1890 / Instantaneous envelop and phase extraction from real signals : 373 ~ 385
/ 1987 / A new velocity algorithm for sing-around-type flow meters IEEE Trans on Ultrasonic : 4 ~ 34
/ 1989 / A novel technique to measure the group velocity of sound in dispersive media IEEE Trans. on Ultrasonic : 481 ~ 484
/ 1989 / a New aliaing extension method for ultrasonic 2-dimensional pulsed Dopper system : 233 ~ 244
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