Radar,  RFID(Radio Frequency IDentification), Wireless Communication etc.

Recent Publications on International Journals (after 2000)

[1] Young-Jae Choi and In-Sik Choi. " Imbalance Detection of Rotor Rotational Speed Using Doppler Radar ", Journal of Electromagnetic Engineering and Science, Vol. 21, No.2, pp. 111-118, Apr. 2021. [SCIE] https://doi.org/10.26866/jees.2021.21.2.111

[2] Yong-Heui Cho and In-Sik Choi. " General Mode-Matching Analysis of a 2-D Truncated PEC Wedge Covered With a Magnetodielectric Semicircular Boss ", IEEE Trans. on Antennas and Propagation, Vol. 68, pp. 8033-8043, Dec. 2020. [SCI] 10.1109/TAP.2020.2998921

[3] Young-Jae Choi and In-Sik Choi. " DROP Algorithm for Super Resolution Scattering Center Extraction ", Progress in Electromagnetics Research (PIER), Vol. 163, pp. 119-132, 2018. [SCIE] https://www.jpier.org/issues/volume.html?paper=18082304

[4] In-Ha Kim, In-Sik Choi and Dae-Young Chae, “A Study on the Performance Enhancement of Radar Target Classification Using the Two-Level Feature Vector Fusion Method”, Journal of Electromagnetic Engineering and Science, Vol. 18, No. 3, pp. 206-211, Jul 2018. [SCIE] https://doi.org/10.26866/jees.2018.18.3.206

[5] Seung-Jae Lee, In-Sik Choi and Dae-Young Chae, ”A novel feature extraction method for radar target classification using fusion of early-time and late-time regions”, Journal of Electromagnetic Waves and Applications, Vol. 31, No. 10, pp. 1020-1033, 16 May 2017. [SCIE] "http://dx.doi.org/10.1080/09205071.2017.1324324"

[6] Young-Jae Choi, In-Sik Choi, “A novel fast CLEAN algorithm using the gradient descent method”, Microwave and Optical Technology Letters, Vol. 59, No. 5, pp. 1018-1022, May, 2017. [SCIE] http://dx.doi.org/10.1002/mop.30448

[7] Byung-Lae Cho, In-Sik Choi and Edward J. Rothwell, "Enhanced ISAR Imaging Method using Back-Projection and SVA Algorithm", Microwave and Optical Technology Letters, Vol. 57, No. 4, pp. 993-997, April, 2015. [SCIE] http://dx.doi.org/10.1002/mop.28993

[8] Joon-Ho Lee, So-Hee Jeong, In-Sik Choi and Dae-Young Chae, "Natural Frequency-based Recurisve LRT Detection using the Lagrange Ploynomial", Journal of Electromagnetic Waves and Applications, Vol. 29, No. 3, pp. 343-363, March 2015. [SCIE] http://dx.doi.org/10.1080/09205071.2014.992551

[9] In-Sik Choi, Seung-Jae Lee, Joo-Hwan Lee, Joon-Ho Lee and Young-Hoon Lee, "Combining of Frequency Division Multiplexing and Orthogonal Waveforms for Frequency Sharing of High Frequency Ocean Surface Radar", Information, Vol. 17, No.10(A), pp. 4829-4837, Oct, 2014. [SCOPUS]

[10] Joon-Ho Lee, Hyun-Jin Moon, So-Hee Jeong, In-Sik Choi and Dae-Young Chae, "Dependence of Performance on Threshold Value in Natural Frequency-Based Target Recognition: Frequency Domain Approach", Journal of Electromagnetic Waves and Applications, Vol. 28, No. 15, pp. 1896-1912, Sep, 2014. [SCIE] http://dx.doi.org/10.1080/09205071.2014.948125

[11] Sung-Jun Lee, Seung-Jae Lee, In-Sik Choi and Dae-Young Chae, "Optimum Bistatic Angle Extraction Using Compressed Time-Frequency Feature Vectors", International Journal of Control and Automation(IJCA), Vol. 7, No.4, pp. 373-384, April, 2014. [SCOPUS] http://dx.doi.org/10.14257/ijca.2014.7.4.34

[12] Seung-Jae Lee, In-Sik Choi, Byung-Lae Cho, Edward J. Rothwell and Andrew K. Temme, "Performance Enhancement of Target Recognition Using Feature Vector Fusion of Monostatic and Bistatic Radar", Progress in Electromagnetics Research (PIER) , Vol. 144, pp. 291-302, Jan, 2014. [SCIE] https://www.jpier.org/PIER/pier144/27.13103101.pdf

[13] Seung-Jae Lee, In-Sik Choi, Edward J. Rothwell and Andrew K. Temme, "Determination of Optimum Bistatic Angle for Radar Target Identification", Journal of Electromagnetic Waves and Applications, Vol. 28, No. 5, pp. 551-562, Jan, 10, 2014. [SCIE] http://dx.doi.org/10.1080/09205071.2013.879049

[14] In-Sik Choi, Seung-Jae Lee, Joo-Hwan Lee and Young-Jun Chong, "Frequency Sharing Method for high Frequency Ocean Surface Radar using Matched Filtering and Orthogonal Waveforms", Lecture Notes in Computer Science(LNCS), Vol. 7709, pp. 1-6, Dec, 2012. [SCOPUS] http://dx.doi.org/10.1007/978-3-642-35585-1_1

[15] Joon-Ho Lee, Sung-Woo Cho and In-Sik Choi, "Simple Expressions of CEP and Covariance Matrix for Localization using LOB Measurements for Circular Trajectory", IEICE Electronics Express, Vol. 9, No.14, pp. 1221-1229, July 31, 2012. [SCIE] http://dx.doi.org/10.1587/elex.9.1221

[16] In-Sik Choi, "SPECC - a New technique for direction of arrival estimation," communications in computer and information science, Vol. 199, pp. 152-160. August, 2011. [SCOPUS]

[17] In-Sik Choi, "Performance Comparison of PSO-based Clean and EP-based Clean for Scattering Center Extraction," Communications in Computer and Information Science, Vol. 150, pp. 139-146. April, 2011 [SCOPUS] [Best Paper Award]

[18] In-Sik Choi, Hyo-Tae Kim, “Generalized Early-time/Late-time Evolutionary Programming-based Clean”, Microwave and Optical Technology Letters, Vol. 50, No. 1, pp. 208-210, Jan, 2008. [SCIE]

[19] Dong-Kyu Seo, Kyung-Tae Kim, In-Sik Choi and Hyo-Tae Kim, "Wide Angle Radar Target Recognition using Subclass Concept, " Progress in Electromagnetics Research(PIER), Vol. 44, Feb. 2004 [SCIE]

[20] Hae-Sung Park, In-Sik Choi, Jin-Kyu Bang, Sung-Ha Suk, Sung-Sin Lee and Hyo-Tae Kim, "Optimized Design of Radar Absorbing Material for Complex Targets, " Journal of ElectroMagnetic Waves and Applications, Vol. 18, No. 8, pp. 1105-1117, 2004 [SCIE]

[21] Joon-Ho Lee, In-Sik Choi and Hyo-Tae Kim, "Natural Frequency-based Neural Network Approach to Radar Target Recognition, " IEEE Trans. on Signal Processing, Vol. 51, No. 12, pp. 3191-3197, Dec, 2003 [SCI]

[22] In-Sik Choi, Byung-Lae Cho and Hyo-Tae Kim, "Motion Compensated ISAR using Evolutionary Adaptive Wavelet Transform, " IEE proceedings-Radar, Sonar and Navigation, Vol. 150, No. 4, pp. 229-233, Aug, 2003 [SCI]

[23] In-Sik Choi, Dong-Kyu Seo, Jin-Kyu Bang, Hyo-Tae Kim and Edward J. Rothwell, "Radar Target Recognition Using One-dimensional Evolutionary Programming-based CLEAN," Journal of Electromagnetic Waves and Applications, Vol. 17, No. 5, pp. 763-784, 2003 [SCIE]

[24] In-Sik Choi, Joon-Ho Lee, Hyo-Tae Kim and Edward J. Rothwell, "Natural Frequency Extraction using Late-time Evolutionary Programming-based CLEAN," IEEE Trans. on Antennas and Progagation, Vol. 51, No. 12, pp. 3285-3292, Dec, 2003 [SCI]

[25] In-Sik Choi, Hyo-Tae Kim, "Two-dimensional Evolutionary Programming-based CLEAN," IEEE Trans. Aerospace and Electronic systems, Vol. 39, No. 1, pp. 369-373, January, 2003 [SCI]

[26] In-Sik Choi, Hyo-Tae Kim, "One-dimensional Evolutionary Programming-based CLEAN," IEE Electronics Letters, Vol. 37, No. 6, pp. 400-401, Mar, 2001 [SCI]

[27] In-Sik Choi, Joon-Ho Lee and Hyo-Tae Kim, "Efficient Reduction of Data Storage for Correlative Target Recognition using Impulse Radar," Journal of Electromagnetic Waves and Applications, Vol. 15, No. 6, 745-753, 2001 [SCIE]

[28] Kyung-Tae Kim, In-Sik Choi and Hyo-Tae Kim, "Efficient Radar Target Classification using Adaptive Joint Time-frequency Processing," IEEE Trans. on Antennas and Propagation, vol. 48, pp. 1789-1801,Dec, 2000 [SCI]

[29] In-Sik Choi, Hyo-Tae Kim, “Efficient Feature Extraction from Time-frequency Analysis of Transient Response for Target Identification,” Microwave and Optical Technology Letters, vol. 26, pp. 403-407, Sept, 2000 [SCIE]

Recent Publications on Domestic Journal (After 2000)

[1] Young-Min Kim, In-Sik Choi, “Comparison of Simulation and Measurement for Imbalance Rotation of Floating Wind Turbine”, Journal of KIIT.VoL.21, No. 3, pp. 99-105, Mar. 31,2023. http://dx.doi.org/10.14801/jkiit.2023.21.3.99

[2] Yong-Bin Kim, Yong-Min Kim, In-Sik Choi, “State Classification of Wind Turbine Blade using Convolutional Neural Network”, Journal of Korean Institute of Information Technology, Vol. 20, No. 4, pp 89-97, Apr 30, 2022. http://dx.doi.org/10.14801/jkiit.2022.20.4.89

[3] Yong-Bin Kim, In-Sik Choi, “Clutter Signal Separation Method of Outdoor Measured Data for Wind Turbine Blade”, Journal of Korean Institute of Information Technology, Vol. 19, No. 9, pp 79-86, Sep 30, 2021. https://doi.org/10.14801/jkiit.2021.19.9.79

[4] Yong-Bin Kim, In-Sik Choi, “Feature Vector Extraction and Classifier Design for State Classification of Wind Turbine Blade”, Journal of Korean Institute of Information Technology, Vol. 19, No. 6, pp 89-97, Jun. 30, 2021. https://doi.org/10.14801/jkiit.2021.19.6.89

[5] Yong-Bin Kim, Young-Jae Choi, In-Sik Choi, “Measurement and Analysis for Scale Model of Wind Turbine Blade Using 24GHz Doppler Radar”, Journal of Korean Institute of Information Technology, Vol. 18, No. 6, pp 55-63, Jun. 30, 2020. http://dx.doi.org/10.14801/jkiit.2020.18.6.55

[6] Young-Jae Choi, In-Sik Choi, “Dynamic RCS Calculation of Wind Turbine Blade Using GPU-Based TSM-RT”, The Journal of Korean Institute of Electromagnetic Engineering and Science, Vol. 31, No. 3, pp 245-252, Mar. 31, 2020. https://doi.org/10.5515/KJKIEES.2020.31.3.245

[7] Young-Jae Choi, In-Sik Choi, “Rotation Speed Extraction Method of Wind Turbine Blade Using Doppler Radar and Finite State Machine”, Journal of Korean Institute of Information Technology, Vol. 18, No. 3, pp 97-107, Mar. 31, 2020. http://dx.doi.org/10.14801/jkiit.2020.18.3.97

[8] Yu-Jin Kim, Young-Jae Choi, In-Sik Choi, “Separation of Dynamic RCS using Hough Transform in Multi-target Environment”, Journal of Korean Institute of Information Technology, Vol. 17, No. 9, pp 91-97, Sep. 30, 2019. http://dx.doi.org/10.14801/jkiit.2019.17.9.91

[9] Young-Jae Choi, In-Sik Choi, Yong-Hwan Jung, “Optimum Design of Integrated Mast Minimizing Both RCS and EMI”, Journal of Korean Institute of Information Technology, Vol. 17, No. 8, pp 67-74, Aug. 31, 2019. http://dx.doi.org/10.14801/jkiit.2019.17.8.67

[10] Young-Jae Choi, In-Sik Choi, “Dynamic RCS Analysis by Damage Status of Wind Turbine Blade”, Journal of Korean Institute of Information Technology, Vol. 17, No. 7, pp 75-82, Jul. 31, 2019. http://dx.doi.org/10.14801/jkiit.2019.17.7.75

[11] Seung-Hwan Seol, In-Sik Choi, “Classification of Warhead and Debris using CFAR and Convolutional Neural Networks”, Journal of Korean Institute of Information Technology, Vol. 17, No. 6, pp 85-94, Jun. 30, 2019. http://dx.doi.org/10.14801/jkiit.2019.17.6.85

[12] Young-Jae Choi, In-Sik Choi, Seong-Won Oh, “Analysis of Diffraction Interference for integrated Mast using Uniform Theory of Diffraction”, Journal of Korean Institute of Information Technology, Vol. 17, No. 3, pp 57-64, Mar. 31, 2019. http://dx.doi.org/10.14801/jkiit.2019.17.3.51

[13] Seung-Jae Lee, In-Sik Choi, “Performance Analysis on Radar Target Classification for Waveform Structure, Resonance Frequencies and Three Feature Vector Fusions”, Journal of Korean Institute of Information Technology, Vol. 16, No. 7, pp 35-41, Jun. 31, 2018. http://dx.doi.org/10.14801/jkiit.2018.16.7.35

[14] Young-Jae Choi, In-Sik Choi, Jin-Woo Shin, Myung-Soo Chung, "Classification of the Front Body of a Missile and Debris in Boosting Part Separation Phase Using Periodic and Statistical Properties of Dynamic RCS", The Journal of Korean Institute of Electromagnetic Engineering and Science, pp.540-549, Jul., 2018. http://dx.doi.org/10.5515/KJKIEES.2018.29.7.540

[15] Seung-Hwan Seol, In-Sik Choi, Jin-Woo Shin, and Myung-Soo Chung, “Design of Convolutional Neural Network Structure for the Identification of Warhead and Debris in the Separation Phase”, Journal of Korean Institute of Information Technology, Vol. 16, No. 6, pp 81-89, Jun. 30, 2018. http://dx.doi.org/10.14801/jkiit.2018.16.6.81

[16] Jong-Sung Jung, Hyeok-Jun Kwon, In-Sik Choi, Yong-Heui Cho, and Seong-Won Oh, “Improvement of Caiculation Speed of NEC-2 Code Using CUDA and OpenMP”, Journal of Korean Institute of Information Technology, Vol. 16, No. 1, pp 79-85, Jan. 31, 2018. http://dx.doi.org/10.14801/jkiit.2018.16.1.79

[17] Seung-Hwan Seol, Young-Jae Choi, In-Sik Choi, “Target Recognition Method of DTV-Based Passive Radar Using Multi-Channel Combining Method”, Journal of Korean Institute of Electromagnetic and Science, Vol. 28, No. 10, pp. 794-801, Oct 28, 2017. http://dx.doi.org/10.5515/KJKIEES.2017.28.10.794

[18] In-Ha Kim, In-Sik Choi, "Resonance Frequency Extraction of Full-scale Radar Targets Using Time-Frequency Analysis", Journal of Korean Institute of Information Technology, Vol. 15, No. 6, Jun. 30, 2017. http://dx.doi.org/10.14801/jkiit.2017.15.6.87

[19] Chi-Hwan Park, Seung-Hwan Seol, In-Sik Choi, “Performance Comparison of Correlative Target Recognition Using Various Radar Structure in High Frequency Band”, Journal of Korean Institute of Information Technology, Vol. 15, No. 5, May 31, 2017 http://dx.doi.org/10.14801/jkiit.2017.15.5.97

[20] Jong-Sung Jung, Hyeok-Jun Kwon and In-Sik Choi, “A Study on the Analysis of Sphere RCS Using Time – Frequency Analysis”, Journal of Korean Institute of Information Technology, Vol. 15, No. 4, pp. 89-94, Apr 30, 2017. http://dx.doi.org/10.14801/jkiit.2017.15.4.89

[21] In-Ha Kim, Se-Hoon Park, Seung-jae Lee, and In-Sik Choi, “Analysis on Maximum Detection Range for Frequency Sharing of Time Division Multiplexing Radar System”, Journal of Korean Institute of Information Technology, Vol. 14, No. 12, pp. 27-33, Dec. 31, 2016. http://dx.doi.org/10.14801/jkiit.2016.14.12.27

[22] Chi-Hwan Park, In-Sik Choi and Dae-Young Chae “Performance Comparison of Data Compression for HF Monostatic and Bistatic Radar”, Journal of Korean Institute of Information Technology, Vol. 14, No.11, pp.59-67, Nov., 30, 2016 http://dx.doi.org/10.14801/jkiit.2016.14.11.59

[23] Se-Ha Im, Seung-Jae Lee, In-Sik Choi and Tae-Seung Lee, "A Study on Calculation and Comparison for VHF, UHF, L-Band RCS", Journal of Korean Institute of Information Technology, Vol. 14, No.5, pp.59-66, May 31, 2016 http://dx.doi.org/10.14801/jkiit.2016.14.5.59

[24] In-Sik Choi, Seung-Jae Lee, "A Study on Measurement and Analysis of Monostatic and Bistatic RCS Using Arch Range ", Journal of Korean Institute of Information Technology, Vol. 13, No. 6, pp.29-35, June 30, 2015 http://dx.doi.org/10.14801/jkiit.2015.13.6.29

[25] Seung-Jae Lee, In-Sik Choi, Dae-Young Chae, "Study on the Performance Enhancement of Radar Target Recognition Using Combining of Feature Vectors", The Journal of Korean Institute of Electromagnetic Engineering and Science, Vol. 24, No. 9, pp.928-935, Sep., 2013 http://dx.doi.org/10.5515/KJKIEES.2013.24.9.928

[26] Sung-Jun Lee, Seung-Jae Lee, In-Sik Choi, "A Study on the Target Recognition using Bistatic Measured Radar Signals", Journal of Korean Institute of Electromagnetic Engineering and Science, Vol. 23, No. 8, pp.1002-1009, August, 2012 http://dx.doi.org/10.5515/KJKIEES.2012.23.8.1002

[27] Se-Hoon Park, In-Sik Choi, Byung-Lae Cho, "A Study on the Azimuth Direction Extrapolation for SAR Image using Omega-k Algorithm",Journal of Korean Institute of Electromagnetic Engineering and Science, Vol. 23, No. 8, pp.1014-1017, August, 2012 http://dx.doi.org/10.5515/KJKIEES.2012.23.8.1017

[28] Se-Hoon Park, In-Sik Choi, Sung-Jun Lee, Seung-Jae Lee, Jung-Hee Jin, "A Study on the System Design for Intelligent Automotive Radar", Journal of Korean Institute of Information Technology, Vol. 10, No.2, pp.61-68, Feb, 2012

[29] Seung-Jae Lee, Sung-Jun Lee, In-Sik Choi, Kang-Kuk Park, Hyo-Tae Kim, Kyung-Tae Kim, "Performance Improvement of Radar Target Classification using UWB Measured Signals",Journal of Korean Institute of Electromagnetic Engineering and Science, Vol. 22, No.10, pp.981-989, Oct, 2011

[30] Sung-Jun Lee, In-Sik Choi, "Performance Comparison for Radar Target Classification of Monostatic RCS and Bistatic RCS,"Journal of Korean Institute of Electromagnetic Engineering and Science, Vol. 21, No. 12, pp.1460-1466, Dec, 2010

[31] In-Sik Choi, "Target feature Extraction using Generalized Particle Swarm Optimization-based CLEAN for Air Defense radar", Journal of Security Engineering Research Center(SERC), pp. 503-510, Vol. 7, No. 5, Oct, 2010

[32] Sung-Jun Lee, In-Sik Choi, "Time-frequency Analysis of the Bistatic RCS for a Wire Target ", Journal of Korean Institute of Information Technology, Vol. 8, No. 9, pp.35-42, Sep. 2010

[33] In-Sik Choi, "Scattering Analysis of UWB Radar Signals using Time-frequency Transforms ", Journal of Korean Institute of Information Technology, Vol. 7, No. 6, pp.49-54, Dec, 2009

[34] In-Sik Choi, E.J.Rothwell, "A Study on Measurement of UWB Radar Signals using Time-domain and Frequency-domain Measurement System, " Journal of Korean Institute of Information Technology, Vol. 7, No. 5, pp.57-63, Oct, 2009

[35] In-Sik Choi, Ill-Keun RLee, "A Study on DOA Estimation via Step-By-Step Component Cancellation , " Journal of Korean Institute of Information Technology, Vol. 7, No. 1, Feb, 2009

[36] Ill-Keun Rhee, Byung-Seok Park, In-Sik Choi, "Radio-wave Interference Analysis Technology Between Terrestrial Wireless Systems, Adequate to Domestic Radio Propagation Environment, " Journal of Korean Institute of Information Technology, Vol. 6, No. 1, Feb, 2008

[37] In-Sik Choi, "Scattering Analysis of Radar Target via Evolutionary Adaptive Wavelet Transform, " Journal of The Korean Institute of Millitary Science and Technology, Vol. 10, No. 3, Sep. 2007

[38] Byung-Gwan Choi, In-Sik Choi, Whan-Woo Kim, " Implementation of Radar Environment Classifier for Adaptive Target detection, " Journal of Korean Institute of Electromagnetic Engineering and Science, Vol. 42, No. 5, Sept, 2005

[39] In-Sik Choi, Hyo-Tae Kim, "ISAR Motion Compensation using Evolutionary Programming-based Time-frequency Analysis, " Journal of Korean Institute of Electromagnetic Engineering and Science, Vol. 14, No. 11, pp. 1156-1160, 2003

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