Zobrazeno 1 - 10
of 77
pro vyhledávání: '"Sea-Moon Kim"'
Autor:
Dongwoo Lee, Beomseok Oh, Jeonghoon Park, Seong-Won Moon, Kilsoo Shin, Sea-Moon Kim, Junsuk Rho
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-9 (2024)
Abstract Metalenses are instruments that manipulate waves and have exhibited remarkable capabilities to date. However, an important hurdle arises due to the severe hampering of the angular response originating from coma and field curvature aberration
Externí odkaz:
https://doaj.org/article/610740ba96514a28bd560ce47d510aff
Autor:
Pan-Mook Lee, Jin-Yeong Park, Hyuk Baek, Sea-Moon Kim, Bong-Huan Jun, Ho-Sung Kim, Phil-Yeob Lee
Publikováno v:
한국해양공학회지, Vol 36, Iss 5, Pp 340-352 (2022)
This article presents a modeling method for the uncorrelated measurement error of the ultra-short baseline (USBL) acoustic positioning system for aiding navigation of underwater vehicles. The Mahalanobis distance (MD) and principal component analysis
Externí odkaz:
https://doaj.org/article/c69c6a8693a34d19aa69670c49ed9c1a
Publikováno v:
한국해양공학회지, Vol 33, Iss 3, Pp 214-221 (2019)
A series of model tests was performed to evaluate the survivability of an articulated tower-type buoy structure under harsh environmental conditions. The buoy structure consisted of three long pipes, a buoyancy module, and top equipment. The scale mo
Externí odkaz:
https://doaj.org/article/7dd5e3fd6b514cecb22d4764cad6654f
Publikováno v:
The Journal of Korean Institute of Communications and Information Sciences. 46:2383-2391
Publikováno v:
The Journal of the Acoustical Society of America. 152:A63-A63
Recently synthetic aperture sonar is widely used for precise seafloor exploration or underwater target detection. In order to acquire clearer sonar images, accurate measurement of the platform motion is absolutely required. Various approach has been
Publikováno v:
한국해양공학회지, Vol 33, Iss 3, Pp 214-221 (2019)
A series of model tests was performed to evaluate the survivability of an articulated tower-type buoy structure under harsh environmental conditions. The buoy structure consisted of three long pipes, a buoyancy module, and top equipment. The scale mo
Publikováno v:
The Journal of the Acoustical Society of Korea. 35:167-174
Publikováno v:
The Journal of the Acoustical Society of Korea. 35:125-133
In order to obtain hig h-resolution seafloor images, research on SA (Synth etic Aperture) processing and the development of related underwater systems have been performed in many countries. Recently the SA processing is also recognized as an importan
Autor:
Sea-Moon Kim, Sung-Hoon Byun
Publikováno v:
The Journal of the Acoustical Society of America. 148:2792-2792
Publikováno v:
The Journal of Korean Institute of Communications and Information Sciences. 40:1450-1456
The received signal strengths according to the propagation dist ance between a transmitting shore station with a 53 m antenna hight and a receiving ship station with about 6m antenna hight from 700 m upto about 20 km are measured at ship's moving vel