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

 

 

 

 Recent Publications on International Conferences (After 2000)

 

[1]   Young-Jae Choi, Yong-Bin Kim, In-Sik Choi, Measurement of the rotational speed of industrial wind turbine blades using a low cost 24GHz Doppler radar, European Conference on Antennas and Propagation(EUCAP 2021), Mar. 22-26, 2021. 10.23919/EuCAP51087.2021.9411170

[2]   Yu-Jin Kim, Young-Jae Choi, In-Sik Choi, Radar Image Analysis for Detection of Wind Turbine Blade Damage, Progress In Electromagnetics Research Symposium(PIERS 2019), Jun.17-22, 2019.

[3]   Young-Jae Choi, In-Sik Choi, Yong-Hwan Jung, Design of Integrated Mast Considering Both Antenna Interference and RCS, 8th Asia-Pacific Conference on Antennas and Propagation, pp. 622-623, Aug.7, 2019.

[4]   Young-Jae Choi, In-Sik Choi, Decision-level Fusion scheme of SVM and naïve Bayes Classifier for Radar Target Recognition, International Symposium on Antennas and Propagation(ISAP 2018), pp.407-408, Oct.23-26, 2018. https://ieeexplore.ieee.org/abstract/document/8627799

[5]   Young-Jae Choi, Seung-Hwan Seol, In-Sik Choi, Radar Target Identification Using a DTV-based Passive Radar in South Korea, Progress In Electromagnetics Research Symposium(PIERS 2017), , Nov.19-22 2017. 10.1109/PIERS-FALL.2017.8293260

[6]   In-Sik Choi, "Direction of Arrival Estimation Using Particle Swarm Optimization-based SPECC", 2014 International Conference on Genetic and Evolutionary Methods, pp. 14-17, July 21-24, 2014, Las Vegas, USA (PDF)

[7]   In-Sik Choi, Seung-Jae Lee, "Bistatic Radar Target Identification Using FFT-based CLEAN", International Geoscience and Remote Sensing Symposium(IGARSS 2014), pp. 1825-1828, July 13-18, 2014. 10.1109/IGARSS.2014.6946809

[8]   In-Sik Choi, "A Novel Direction of Arrival Estimation via Step-by-Step Extraction Method", 2013 IEEE International Symposium on Phased Array Systems and Technology, pp. 251-254, Oct. 15-18, 2013. 10.1109/ARRAY.2013.6731836

[9]   Sung-Jun Lee, In-Sik Choi, Seung-Jae Lee, and Edward J. Rothwell, "Extraction of Optimum Classification Angle using Arch-range Measured Data for Scale-model Targets", 2013 IEEE International Symposium on Antennas and Propagation and USNC-URSI National Radio Science Meeting, July 7-13, 2013. 10.1109/USNC-URSI.2013.6715486

[10] In-Sik Choi, Seung-Jae Lee, Se-Hoon Park, and Edward J. Rothwell, "A Study on Recognition of Similar Wire Targets using E-pulse Technique", Progress In Electromagnetics Research Symposium(PIERS 2012), pp. 346-347, March 27-30, 2012.

[11] Sung-Jun Lee, In-Sik Choi, Seung-Jae Lee, "Performance Comparison of Radar Target Classification  for  Monostatic and Bistatic RCS", Progress In Electromagnetics Research Symposium(PIERS 2011), pp. 666, Sep. 12-16, 2011.

[12] In-Sik Choi, Edward J. Rothwell, "Measurement of UWB Radar Signals using Time-domain  and Frequency-domain Measurement System", 2011 Progress In Electromagnetics Research Symposium Abstracts, pp.961, Mar. 20-23, 2011.

[13] Sung-Jun Lee, In-Sik Choi, "Bistatic Radar Target Classification using Time-frequency Analysis and Multilayered Perceptron Neural Network", 2011 Progress In Electromagnetics Research Symposium(PIERS 2011) Proceedings, pp. 1569-1671, March. 20-23, 2011.

[14] In-Sik Choi, "Evolutionary Programming versus Particle Swarm Optimization for Target Feature    Extraction", 2010 International Conference on Electronics, Information, and Communication(ICEIC 2010), pp. 238-240, June. 30 - July. 2, 2010.

[15] In-Sik Choi, Ill-Keun Rhee, " Performance Comparison of Time-frequency Analysis Methods for       Radar Signature Analysis, " 2008 International Conference on Future Generation Communication and Networking(FGCN 2008), Hainan, China, Dec, 12-14, 2008.

[16] In-Sik Choi, Ill-Keun Rhee and Young-Hoon Lee, " Signal Parameter Extraction via Component Cancellation using Evolutionary Programming, " 2007 International Conference on Future Generation Communication and Networking, Jeju-Island, Korean, Dec, 6-8, 2007.

[17] In-Sik Choi, and Hyo-Tae Kim, " Feature Extraction of Radar Targets using Evolutionary Adaptive    Wavelet Transform, " 2007 Korean-Japan Microwave Conference, Okinawa, Japan, Nov, 15-16, 2007.

[18] In-Sik Choi, and Hyo-Tae Kim, " One-dimensional and Two-dimensional Scattering Center      Extraction using Evolutionary Programming-based CLEAN, " 2002 IEEE APS/URSI symposium, San Antonio, Texas, June 16-21, 2002.

  

 Recent Publications on Domestic Conference (After 2000)

 

[1]   Yong-Bin Kim, Yong-Min Kim, Sang-Woo Ryu, Young-Min Kim, In-Sik Choi, State Classification of Wind turbine blade using Deep Learning, The 2nd Korea Artificial Intelligence Conference, pp.344, Sep 30, 2021

[2]   Yong-Min Kim, Sang-Woo Ryu, Yong-Bin Kim, In-Sik Choi, Measurement and analysis for imbalance rotation of wind turbine blade scale model using 24 GHz Doppler Rada, Proceedings of the 2021 KIIT Summer Conference, pp.442-443, June 4, 2021

[3]   Yong-Bin Kim, In-Sik Choi, Analysis of measured radar signal depending on the weather for wind turbine blade, Proceedings of the 2021 KIEE Spring Conference, pp.121-123, May 6, 2021

[4]   Young-Jae Choi, Yong-Bin Kim, In-Sik Choi, Method for detecting wind blade surface using spectrogram, Proceeding of the 2020 KIEES summer Conference, Vol. 8, No.1, Aug. 19, 2020

[5]   Yong-Bin Kim, Young-Jae Choi, In-Sik Choi, Analysis of measurement signal of wind blade scale model using spectrogram, Proceeding of the 2020 KIEES Conference, Vol. 8, No.1, Aug. 19, 2020

[6]   Young-Jae Choi, In-Sik Choi, Yong-Hwan Jung, Implementation of physical optical method for efficient radio wave numerical analysis of ship mast, Proceeding of the 2019 KIEES Conference, Vol. 7, No.1, Aug. 22, 2019

[7]   Young-Jae Choi, In-Sik Choi, Byung-Kwan Choi, Using the phase constrained complex least squares method Spectrogram repetition period detection method, Proceeding of the 2019 KIEES Conference, Vol. 7, No.1, Aug. 22, 2019

[8]   Yong-Bin Kim, Yu-Jin Kim, Young-Jae Choi, In-Sik Choi, Target distance measurement using 24GHz stepped frequency radar and analysis, Proceeding of the 2019 KIEES Conference, Vol. 7, No.1, Aug. 22, 2019

[9]   Yu-Jin Kim, Young-Jae Choi, In-Sik Choi, Target separation using Hough transform in many small target environments, Proceeding of the 2018 KIEES Conference, Vol. 19, No.1, pp.33~34, Nov. 2, 2018

[10] Young-Jae Choi, Jong-Sung Jung, Hyeok-Jun Kwon, In-Sik Choi, Dynamic RCS Calculation using Eulers Rotation Matrix for Micro-motion Target, Proceeding of the 2017 KIEES Conference, Vol. 18, No.1, pp.68, Nov. 3, 2017

[11] Seung-Jae Lee, In-Ha Kim, Joon-Ho Lee, In-Sik Choi, Radar Target Classification Using Feature Vector Fusion of Early-time Feature and Resonance Frequency Extracted by Pronys Method, Proceeding of the 2017 KIEES Conference, Vol. 18, No.1, pp.67, Nov. 3, 2017

[12] Seung-hwan Seol, In-sik Choi, Performance Comparison of Radar Target Recognition Depending on Various Feature Vectors using Neural Network Classifier Proceeding of the 2017 KIIECT Autumn Conference, Vol. 10, No. 2, Oct. 27~28, 2017

[13] Hyeok-Jun Kwon, Jong-Sung Jung, In-Sik Choi, Yong-Heui Cho, Yong-Hwan Jung, 'Improvement of Calculation Speed of Physical Optics Using OpenMP', Proceeding of the 2017 KIEES Conference, Vol. 5, No. 1, Aug. 24~26, 2017

[14] Jong-Sung Jung, Hyeok-Jun Kwon, In-Sik Choi, "Calculation and Analysis of Sphere RCS by Modeling Methods",  Proceeding of the 2017 KICS Conference, pp. 335-335, Jan. 1, 2017

[15] In-Ha Kim, Young-Jae Choi, In-Sik Choi, Dae-young Chae, Analysis on Radar Signal Variations by Elevation Angle in HF Frequency Band, Proceeding of the 2017 KICS Conference, pp. 333-334, Jan. 1, 2017

[16] Chi-Hwan Park, In-Sik Choi, Jong-Sung Jung, Dae-Young Chae, Correlative Target Recognition using Bistatic Radar, Proceeding of the 2016 KIEES Conference, Vol. 17, No.1, pp.63-64, Nov. 4, 2016

[17] In-Ha Kim, In-Sik Choi, Hyeok-Jum Kwon, Dae-Young Chae, Analysis on Resonance Characteristics using CWT and AWT, Proceeding of the 2016 KIEES Conference, Vol. 17, No.1, pp.61-62, Nov. 4, 2016

[18] Jung-Min Seo, Seung-Jae Lee, In-Sik Choi, Joon-Ho Lee, Natural frequency estimation based on frequency-domain Prony method, Proceeding of the 2016 KIEES Conference, Vol. 17, No.1, pp.45-47, Nov. 4, 2016

[19] Seung-Hwan Seol, In-Sik Choi, Seng-Hyeon, Jae-Kwon Ha, Nyoung-Hak Kang, Design and Fabrication of GPS Microstrip Patch Antenna Using Parasitic Patch, Proceeding of the 2016 KIEES Conference, Vol. 17, No.1, pp.35-36, Nov. 4, 2016

[20] Young-Jae Choi, In-Sik Choi, "The accuracy improvement of CLEAN algorithm using gradient descent method", Proceeding of the 2016 KIIECT Autumn Conference, Vol. 9, No. 2, pp. 72-73, Oct. 28, 2016

[21] Young-Jae Choi, In-Sik Choi, High Resolution Range Profile Construction for DTV-based Passive Radar Using Burg's Method, Proceeding of the 2016 KICS Summer Conference, pp. 198-199, June 22, 2016.

 

[22] Chi-Hwan Park, In-Sik Choi, In-Ha Kim, Joon-Ho Lee, Dae-Young Chae, A Study on Efficient Correlation-Based Target Recognition of HF Band Radar, Proceeding of the 2016 KIEES Summer Conference, Vol. 4, No.1, pp. 70-71, June 17, 2016

 

[23] Seung-Jae Lee, In-Sik Choi, Jong-Sung Jung, Hyeok-Jun Kwon, Dae-Young Chae, Performance Improvement of Radar Target Classification Using Fusion of Complex Natural Resonance Frequency-Based Feature and Waveform Structure-Based Feature, Proceedings of the 2016 KIIT Summer Conference, pp. 119-120, June 10, 2016.

 

[24] Seung-Jae Lee, Kyu-Ho Lee, Chi-Hwan Park, In-Sik Choi, Joon-Ho Lee, In-Ha Kim, Dae-Young      Chae, A Study on Resonance Frequency Extraction using Time-Frequency Analysis and Pronys Method, Proceeding of the 2016 KICS Winter Conference, Jan. 21, 2016

 

[25] Seung-Jae Lee, In-Sik Choi, Se-Ha Im, Chi-Hwan Park, Dae-Young Chae, The Resonance Characteristic Analysis of HF Band Radar Signal using CWT, Proceeding of the 2015 KIIECT Autumn Conference, pp.123-124, Oct. 16, 2015

[26] Seung-Jae Lee, Se-Ha Im, In-Sik Choi, Dae-Young Chae, Tae-Seung Lee, "A Study on RCS    Calculation and Comparison for Various Frequency Band", Proceedings of the 2015 KIIT Summer Conference, pp.157-158, June 12, 2015

[27] In-Sik Choi, Seung-Jae Lee, Chi-Hwan Park, "RCS Analysis of Aircraft Target through Arch Range Measurement", Proceedings of the 2015 KIIECT Spring Conference, Vol. 8, No.1, pp. 87-88, May 23, 2015

[28] In-Sik Choi, Seung-Jae Lee, "Analysis on RCS Characteristics for Three Kinds of Aircraft Using        Measurement", Proceedings of the 2014 KEES Conference, Vol. 15, No.1, pp. 72-74, Nov. 2014

[29] Seung-Jae Lee, In-Sik Choi, Tae-Seung Lee, Dae-Young Chae, "RCS Calculation and Analysis of L-band and VHF band Radar Target", Proceedings of the 2014 KEES Conference, Vol. 15, No.1, pp. 75-76, Nov. 2014

[30] Se-Hoon Park, Seung-Jae Lee, In-Sik Choi, Dae-Young Chae, "A Study on RCS Calculation and   Analysis of L-band Radar ", Proceedings of the 2013 KEES Conference , Vol. 14, No.1, pp. 70-71, Nov. 1, 2013

[31] Seung-Jae Lee, In-Sik Choi, Dae-Young Chae, "A Study on Comparison of Target Classification for Monostatic and Bistatic Measured Signals'' , Proceedings of the 2013 KEES Conference, Vol. 14, No.1, pp. 120-121, Nov. 1, 2013

[32] Seung-Jae Lee, In-Sik Choi, Dae-Young Chae, "A Study on Combining Technique of Monostatic and Bistatic Feature Vectors ", Proceedings of the 2013 KIIT Summer Conference , pp. 1-3, May 31, 2013

[33] Se-Hoon Park, In-Sik Choi, Dae-Young Chae, "A Study on Scattering Center Extraction for Low-frequency Radar Signal ", Proceedings of the 2013 KIIECT Spring Conference, Vol. 6, No. 1, pp. 87-89, May 25, 2013

[34] In-Sik Choi, Seung-Jae Lee, Young-Jun Jung, "A Study on Frequency sharing Method for HF Ocean Surface Radar", Proceedings of the 2013 KIIECT Spring Conference, Vol. 6, No. 1, pp. 97-99, May 25, 2013

[35] Seung-Jae Lee, In-Sik Choi, Se-Hoon Park, Joo-Hwan Lee, "A Study on Frequency Reuse Method of Ocean Surface Radar using Matched Filtering and Orthogonal Waveforms ", Proceedings of the 2013 KICS Winter Conference, pp. 211-212, Jan. 31, 2013

[36] Seung-Jae Lee, In-Sik Choi, Se-Hoon Park, Han-Gill Jung, "A Study on Radar Target Recognition using Combining of Feature Vectors", Proceedings of the 2012 KEES Conference, Vol. 13, No. 1, pp. 68-70, Nov. 9, 2012

[37] Se-Hoon Park, Seung-Jae Lee, Min-Su Kim, Wan-Tae Kim, In-Sik Choi, Joo-Hwan Lee, Young-Jun  Jung, "Analysis of Maximum Detection Range for Pulsed Radar using Time Division Multiplexing", Proceedings of the 2012 KIIECT Autumn Conference, Vol. 5, No. 2, pp. 128-130, Oct. 27, 2012

[38] Seung-Jae Lee, In-Sik Choi, Han-Gill Jung, "A Study on Target Recognition using Full-scale Bistatic  RCS Data", 2012 Autumn Microwave and Radio Wave Conference, Vol. 35, No. 2, p. 39, Oct. 19, 2012

[39] Seung-Jae Lee, In-Sik Choi, E. J. Rothwell, "A Study on Target Classification using E-pulse and    Neural Network", Proceedings of the 2012 KIIT Summer Conference, pp. 74-77, June 1, 2012

[40] Se-Hoon Park, In-Sik Choi, Byung-Lae Cho, "Performance Analysis of Azimuth Direction      Extrapolation for Omega-K Algorithm Based SAR Imange", Proceedings of the 2012 KIIECT Spring Conference, Vol. 5, No. 1, pp. 51-53, May 25, 2012

[41] In-Sik Choi, Seung-Jae Lee, "Radar Signal Processing using Evolutionary Adaptive Time-frequency Analysis", Proceedings of the 2011 KIIT Autumn Conference, pp. 123-128, Dec 9, 2011

[42] Se-Hoon Park, Sung-Jun Lee,Seung-Jae Lee, In-Sik Choi "Automotive Radar System Design Using  Radar Equation ", The Institute of Electronics Engineers of Korea (IEEK), pp 33-44, Dec. 2011

[43] Se-Hoon Park, In-Sik Choi, Sung-Jun Lee, Seung-Jae Lee, "A Study on the Selection of Antenna Parameters for 24GHz Automotive Radar ", Proceedings of the 2011 KEES Conference, Vol. 12, No.1, pp 40-41, Nov. 4, 2011

[44] Seung-Jae Lee, In-Sik Choi, E.J. Rothwell, " A Study on the Recognition of Wire Targets using E-    Pulse Technique", Proceedings of the 2011 KEES Conference, Vol. 12, No.1, pp 42-43, Nov. 4, 2011

[45] Seung-Jae Lee, Sung-Jun Lee, Se-Hoon Park, In-Sik Choi, Kang-guk Park, Kyoung-Tae Kim, "A     Study on the Radar Target Recognition Using Both Scattering Center and Natural Resonance Frequency", Proceedings of the 2011 KIIECT Autumn Conference, pp 90, Oct 21-22, 2011

[46] Seung-Jae Lee, Sung-Jun Lee, In-Sik Choi, Kang-guk Park, Hyo-Tae Kim, "Analysis of Radar Target Classification Performance for Different Bandwidth", 2011 Spring Microwave and Radio Wave Conference, Vol. 34, No. 1, p. 90, May 27, 2011

[47] Sung-Jun Lee, In-Sik Choi, E.J. Rothwell, "Optimum Bistatic Angle Extraction for Wire-target  Recognition", 2011 Spring Microwave and Radio Wave Conference, Vol. 34, No. 1, p. 91, May 27, 2011

[48] In-Sik Choi, Sung-Jun Lee, E.J. Rothwell, "A Study on Radar Target Recognition using UWB     Measured Signals", 2011 Spring Microwave and Radio Wave Conference, Vol. 34, No. 1, p. 176, May 27, 2011

[49] Sung-Jun Lee, In-Sik Choi, Kang-guk Park, Hyo-Tae Kim, " Target Classification Using UWB Radar Signals", Proceedings of the 2010 KEES Conference, Vol.11, No. 1, p. 59, Nov. 5, 2010

[50] Sung-Jun Lee, In-Sik Choi, "A Study on Target Classification using Bistatic RCS", 2010 Autumn  Microwave & Radio Wave Conference, Vol. 33, No. 2, p.153, Oct. 1, 2010

[51] Sung-Jun Lee, In-Sik Choi," A Study on Analysis of Bistatic RCS for Wire Target, " 2010 Spring  Microwave and Radio Wave Conference,Vol. 33,, No. 1, p. 168, June 4, 2010

[52] In-Sik Choi, Hyo-Tae Kim, "A Study on Comparison of Radar Target Recognition Based on       Correlation and Neural Networks, " Proceedings of the 2009 KEES Conference,Vol. 10, No. 1, pp.79-82, Nev. 2009

[53] In-Sik Choi, and Hyo-Tae Kim, "Efficient Feature Extraction for Target Classification using Time-f  requency Analysis of Transient Response, " Proceedings of Korean Microwaves and Propagation conference, Vol. 23, No. 1, pp. 521-524, 2000

[54] In- Sik Choi, Dong-Kyu Seo, Kyung-Tae Kim and Hyo-Tae Kim, "Performance Improvement of Target Classification using Evolutionary Programming-based CLEAN, " Proceedings of Korean Microwaves and Propagation conference, Vol. 24, No. 1, pp. 433-436, 2001

 

 

 Books

 

[1]   In-Sik Choi, Ji-Hoon Bae, Ill-Keun RLee, Matlab ̿ ȣ ý ؼǽ, Gulnuri Publishing Co.

[2]   Ill-Keun RLee, In-Sik Choi, Kyoung-Soo Jin, ̷//, Yeongil Publishing Co.

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