Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Hyun Soo Park"'
Autor:
Hui Zhao, In-Sik Park, Chong-Sam Chung, Wook-Yeon Hwang, In-Oh Hwang, Kyung-Geun Lee, Hyun-Soo Park
Publikováno v:
SPIE Proceedings.
We report the new data reproducing scheme for high density over 40GB per layer with a commercial Blu-ray recordable disc, and propose a new evaluation parameter which is necessary for high density.
Autor:
Hyunki Kim, Jae-cheol Bae, Jin-Kyung Lee, Hyun-Soo Park, Junji Tominaga, In-Sik Park, In-Oh Hwang, Jooho Kim
Publikováno v:
SPIE Proceedings.
We report the error rate improvement of super-resolution near field structure (Super-RENS) write-once read-many (WORM) disk at a blue laser optical system. (Laser wavelength 405nm, numerical aperture 0.85) We used a disk of which carrier level (CL) o
Autor:
Jung-hyun Lee, Eing-Seob Cho, Jae-Seong Shim, Jae-Wook Lee, Hyun-Soo Park, Maxim Konakov, Eun-Jin Ryu
Publikováno v:
SPIE Proceedings.
A new fast and accurate digital frequency detection algorithm for the optical drive system is presented. The proposed algorithm, which is based on the analysis of data histograms, improves the initialization time and the detection resolution.
Autor:
Jung-hyun Lee, Hyun-Soo Park, Maxim Konakov, Eun-Jin Ryu, Jae-Seong Shim, Eing-Seob Cho, Jae-Wook Lee
Publikováno v:
SPIE Proceedings.
In this paper, a new method using an eye pattern is proposed to measure the signal quality for high-density recording systems. The experiment shows that the new method has a strong relation to SER of the system using PRML algorithm.
Autor:
Hyun-Soo Park, Junji Tominaga, Kiu-Hae Jung, Du-Seop Yoon, Hyunki Kim, Jooho Kim, In-Oh Hwang, Insic Park
Publikováno v:
SPIE Proceedings.
We report the random pattern signal characteristics of the super resolution near field structure (Super-RENS) disk in a blue laser optical system. (Laser wavelength 405 nm, numerical aperture 0.85) We introduced new structure for blue laser system, w
Autor:
Eing-Seob Cho, Jae-Seong Shim, Jae-Wook Lee, Hyun-Soo Park, Maxim Konakov, Eun-Jin Ryu, Jung-hyun Lee
Publikováno v:
SPIE Proceedings.
An advanced PRML data recovery system is presented for a high-density recording. The system consists of three major hardware units, which are DC offset compensator, adaptive equalizer, and Viterbi detector with level adaptation scheme. The experiment
Publikováno v:
SPIE Proceedings.
A receiver structure referred to as piecewise maximum likelihood (PML) is proposed in order to reduce the complexity of the PRML receiver. A channel response of optical disk is used for the performance evaluation. The channel distortion such as tange