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Sidescan Sonar용 Narrow Beam의 설계
이종무(Chong-Moo Lee),이종식(Jong-Sik Lee) 한국해양공학회 1993 한국해양공학회지 Vol.7 No.1
Sidescan sonar uses the fan type beam which has horizontally narrew and vertically some-what wide beam pattern. To construct such a beam we will use an array of transducers. In case of using single transducer it must have a high frequency to have the fan type beam, but in case of using an array it dose'nt have to be high frequency. We are planning to use 30 ㎑ transducers for our sidescan sonar under development. This paper shows ways of designing a narrow beam for the sidescan sonar system by illustrating various shapes of the beam patterns.
이종무 ( Chong Moo Lee ),박세근 ( Se Geun Park ),유재영 ( Jai Young Yoo ),김춘추 ( Choon Choo Kim ),강성구 ( Sung Koo Kang ),김예회 ( Re Hwe Kim ),김주현 ( Joo Hwen Kim ) 대한내과학회 1973 대한내과학회지 Vol.16 No.12
1n 1942 Klinefelter, Reifenstein and Albright described a syndrome which was consisted of gynecomastia, eunuchoidism, small atrophic testes and increased excretion of gonadotropine. The atrophic testes was characterized dy hyalization and as ermatogenesis.
한국정상인 , 당뇨병 및 간경변증례에 대한 정맥주사 ( 1 시간 ) 당부하 시험
이종무 ( Chong Moo Lee ),차규철 ( Kyu Chul Cha ),민병석 ( Byong Sok Min ),윤백현 ( Baek Hyun Yoon ) 대한내과학회 1969 대한내과학회지 Vol.12 No.9
Because of advantages of one-hour intravenous glucose tolerance test in certain cases of diabetes mellitus over other test, the authors intend to report the data in the Korean subjects. One-hour intravenous glucose tolerance test was undertaken in 50 cases