Search results for: Jin-Ho Jo

Items from 1 to 17 out of 17 results

article

Development of a Gulfweed‐Based Edible Coating Using High‐Pressure Homogenization and Its Application to Smoked Salmon

Su Yeon Kim, Joo Hyun Kang, Jin Ho Jo, Sea C. Min

Journal of Food Science > 83 > 12 > 3027 - 3034

Abstract Gulfweed‐based edible materials were developed in forms of food film and coating. Gulfweed suspension was subjected to high‐pressure homogenization (HPH) at 103, 138, and 193 MPa with 1, 2, and 3 passes, and mixed with 14, 30, 50, and 70% (w/w gulfweed) glycerol and 1% (w/w gulfweed) polysorbate 20 to produce a film‐forming suspension. The particle size of the suspension decreased with increasing...

article

A comparative analysis of renewable energy simulation tools: Performance simulation model vs. system optimization

Peter Tozzi, Jin Ho Jo

Renewable and Sustainable Energy Reviews > 2017 > 80 > C > 390-398

Whether you are beginning to learn about renewable energy or are an expert, there are a number of software-tools that can be used to help simulate and optimize your system. Performance models simulate energy outputs with system configurations specified by the user, while optimization models can help plan appropriate system sizes to meet energy goals such as minimizing life-cycle system costs or maximizing...

chapter

Design of tele-commanding system using asynchronous message service based on delay tolerant network for space communication

Kyung-Rak Lee, Jin-Ho Jo, Byoung-Sun Lee, Jin-Woo Kim

2017 International Conference on Information and Communication Technology Convergence (ICTC) > 1253 - 1256

2017 International Conference on Information and Communication Technology Convergence (ICTC)

In this paper, we propose a tele-commanding system model based on delay tolerant network (DTN) for the space communication. For designing this model, we use asynchronous message service (AMS) which is one of application services of DTN. We propose the tele-commanding algorithm, which allows AMS messages to be recognized as a tele-commands. This enables nodes received a tele-command message to conduct...

chapter

Web-Based Surgical Simulation of Craniofacial CT Data

Sun K. Yoo, Jin Ho Jo, Sung Rim Kim, Yong Oock Kim

Lecture Notes in Computer Science > Web Information Systems – WISE 2004 > Session 4: Advanced Applications > 193-198

The goal of this study was to represent medical two-dimensional (2-D) sectional images to three-dimensional (3-D) volumes over the Web using VRML (Virtual Reality Modeling Language) and JavaScript. Furthermore, a virtual surgical operation with craniofacial CT data has been suggested. The mandible and Lefort I, II and III of maxilla in the CT volume were segmented and rendered to VRML polygonal surfaces...

chapter

A Study on operational stability trend and applied services over three years of COMS Ka band payload system

Seong-Pal Lee, Jin-Ho Jo, Kyungsoo Choi, Byoung-Sun Lee

2013 International Conference on ICT Convergence (ICTC) > 837 - 840

2013 International Conference on ICT Convergence (ICTC)

Since COMS (Communication, Ocean and Meteorological Satellite) launched at 27 Jun. 2010, Ka-band Payload has shown an operational stability and applied on various areas including public purposes. Based on the measurement result of performance and signal level for three years, Ka band payload system, developed by ETRI, demonstrates stable and reliable trend in GEO orbit.

chapter

Stability and application of COMS Ka band payload system

Seong-Pal Lee, Jin-Ho Jo, Moon-Hee You, Kyungsoo Choi

2012 International Conference on ICT Convergence (ICTC) > 647 - 650

2012 International Conference on ICT Convergence (ICTC)

Ka-band Payload of COMS (Communication, Ocean and Meteorological Satellite) has been operated and used for various purposes. The Ka band payload system, developed by ETRI and launched at 27 Jun. 2010, has been demonstrated reliable stability condition by periodic measurement and confirmed good performance in GEO orbit for two years. Ka band payload system was applied for public communication services...

chapter

In orbit pattern tests of COMS satellite antennas

Seong Pal Lee, Jin-Ho Jo, Moon Hee You, Edward Haddad, more

2011 IEEE International Symposium on Antennas and Propagation (APSURSI) > 3015 - 3017

2011 IEEE Antennas and Propagation Society International Symposium and USNC/URSI National Radio Science Meeting

ETRI, KARI and Astrium have developed unique Communications, Ocean and Metrological Satellite - COMS to incorporate both Communications and earth observation from single satellite. COMS was launched by Ariane-5 on 26th June 2010 and arrived successfully to operational geo-stationary orbit 128.2°E. It features a multi-beam Ka-band Communications package, a set of equipments to study Ocean Ecosystem...

chapter

Integration, testing and in orbit validation of Ka-band communication payload of COMS

Seong Pal Lee, Jin Ho Jo, Moon Hee You, Jang Sup Choi

2010 International Conference on Information and Communication Technology Convergence (ICTC) > 309 - 313

2010 International Conference on Information and Communication Technology Convergence (ICTC)

COMS (Communication, Ocean and Meteorological Satellite) named Chunrian is aimed to develop domestic space proven technology of Ka-band switching transponder and multi-beam antenna technologies, and to exploit advanced multimedia communication services. This paper is purposed to study development design, manufacturing and test technology of Ka-band payload system, and to verify outstanding technology...

article

Hypnotic effects and binding studies for GABAA and 5-HT2C receptors of traditional medicinal plants used in Asia for insomnia

Sueng-Mock Cho, Makoto Shimizu, C. Justin Lee, Dae-Seok Han, more

Journal of Ethnopharmacology > 2010 > 132 > 1 > 225-232

Many medicinal plants have been used for treatment of insomnia in Asia. However, scientific evidence and precise mechanism for their sedative-hypnotic activity have not been fully investigated. Thus, we investigated the binding activity of the oriental plant extracts (mainly from Korea and Japan) to the well-known molecular targets for sleep regulation, GABA _A and 5-HT _2C receptors...

chapter

Utilization plans for Ka band Satellite Communications System using COMS

Kyung Soo Choi, Jin Ho Jo, Moon Hee You, Seong Pal Lee

2010 The 12th International Conference on Advanced Communication Technology (ICACT) > 1 > 561 - 564

2010 12th International Conference on Advanced Communication Technology (ICACT 2010)

It is so difficult to communicate between satellite terminals by the distributed weak signal along with the beam size in case that the satellite beam covers wide area or higher signal is needed. For overcoming this problem, one should make the size of terminal large, so should pay more for system construction. This paper looks around the configuration and functions of the multi-beam switching satellite...

chapter

Verification of RF Performances of Ka-Band On-board Switching Transponder for COMS

Yong-Min Lee, Jin-Ho Jo, Seong-Pal Lee

2007 International Workshop on Satellite and Space Communications > 211 - 215

2007 International Workshop on Satellite and Space Communications

After the development of transponder equipment as flight model, a series of evaluation processes are performed to verify and identify them on system level if any of the performance parameters are degraded or changed. The results of these evaluations are a valuable data base during the test of the payload on the ground and for future anomaly investigations in orbit. This paper describes the verification...

article

Evaluation of chondroitin sulfate in shark cartilage powder as a dietary supplement: Raw materials and finished products

Joon-Soo Sim, A-Rang Im, Seung Mock Cho, Hae Jin Jang, more

Food Chemistry > 2007 > 101 > 2 > 532-539

We evaluated the content and biochemical properties of chondroitin sulfate (CS) in shark cartilage powders being used as nutraceutical supplements. The quantities of CS in shark cartilage products (SCPs) and finished products containing shark cartilage powder were determined by analyzing unsaturated disaccharides after treatment with chondroitinase ABC, and the results were compared with the specifications...

chapter

SAT02-5: Performance Analysis of MF-TDMA Multi-Carrier Demultiplexer/Demodulators (MCDs) in the Presence of Critical Degrading Factors

Junghwan Kim, Jinyan Li, Jin-ho Jo, Seong-pal Lee

IEEE Globecom 2006 > 1 - 5

IEEE Globecom 2006

Performance of two MCD (multi-carrier demultiplexer/demodulator) architectures (M-MCDD and PPF) for the on-board processing (OBP) satellite are analytically modeled and numerically evaluated in the presence of five critical degrading factors: narrowband AWGN, carrier frequency offset/phase offset, ISI and quantization error. Cumulative effects of these factors on two different MCD structures are also...

chapter

Design of the Network Control System for OBS Satellite Communications System

Kyung Soo Choi, Jin Ho Jo, Cheon Sig Sin, Seong Pal Lee

2006 8th International Conference Advanced Communication Technology > 1 > 875 - 879

8th International Conference on Advanced Communication Technology

The on-board switching (OBS) satellite system technology have started domestic development to overcome the limitation of the frequency resource and geostationary orbit existing relay type satellite transponder and the required performance of a spot beam, and looked around the configuration and functions of the multi-beam switching satellite communication system. The monitor and control function of...

chapter

A Preliminary Design of Ka-band On-Board Switching Transponder for COMS

Yong Min Lee, Jin Ho Jo, Seong Pal Lee

2005 Asia-Pacific Conference on Communications > 240 - 244

2005 Asia-Pacific Conference on Communications

Satellite communication (SATCOM) system is to be applied in the communication, oceanographic, and meteorological satellite (COMS). ETRI has completed the preliminary design effort for the SATCOM project - an effort which included clarifying requirements, refining mission description and operation, determining the configuration of the payload, and anticipating subsystem performances, schedules, costs,...

article

Conceptual design of the network control functions for obs satellite communication system

Kyung Soo Choi, Jin Ho Jo, Cheon Sig Shin, Seong Pal Lee

The 00007th International Conference on Advanced Communication Technology,... > 2005 > 1 > 641 - 645

The 7th International Conference on Advanced Communication Technology

The on-board switching (OBS) satellite system technology have started localized development to overcome the limitation of the frequency resource and geostationary orbit existing relay type satellite transponder and the required performance of the spot beam, and looked around the configuration and functions of the multibeam switching satellite communication system. The monitor and control function...

article

Alterations in promoter usage and expression levels of insulin-like growth factor-II and H19 genes in cervical carcinoma exhibiting biallelic expression of IGF-II

Sung Jo Kim, Sang Eun Park, Chan Lee, Sun Young Lee, more

BBA - Molecular Basis of Disease > 2002 > 1586 > 3 > 307-315

Biallelic expression of insulin-like growth factor-II (IGF2) has been reported to be associated with progression of several tumors. Here, we report that the promoter usage and expression levels of IGF2 and H19 were altered in cervical carcinoma showing loss of imprinting. The imprinting status was examined in 32 cervical carcinomas and their matched normal tissues. Loss of imprinting (LOI) of IGF2...

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