1 | A Hybrid Algorithm Using Genetic Algorithm and Gradient-Based Algorithm for Microwave Inverse Scattering Park, Cheol Hoon; Ra, Jung Woong, International Conference on Evolutionary Computation, pp.450 - 455, 1995-01-01 |
2 | A Method to an Asymptotic Solution for a Non-Separable Problem via an Example of the Diffraction by a Composite Wedge of Conductor and Dielectric Ra, Jung Woong, International Symposium on Electromagnetic Theory, 1998 |
3 | An Inverse Technique by Using Moment Methods in Spectral Domain Ra, Jung Woong, Proc. of Joint Conference on Microwaves,Electromagnetic Compatibility and Optical Devices, 1988 |
4 | An Iterative Inversion Method for a Perfectly Conducting Cylinder on Angular Spectral Domain Ra, Jung Woong, International Symposium on Advanced Computational and Design Techniques in Applied Electromagnetic, pp.116 -, 1994 |
5 | Analysis of Field Patterns Scattered by an Underground Void of Circular Cylinder Ra, Jung Woong, International Symposium on Antennas and Propagation, 1989 |
6 | Calculation of Electromagnetic Scattering from Inhomogeneous Dielectric Cylinder by Finite Element-Boundary Element Hybrid Method Seong, N.S.; Lee, T.K.; Lee, Soo-Young; Ra, Jung Woong, Proc. of Joint Conference on Microwaves,Electromagnetic Compatibility and Optical Devices, pp.174 - 177, 1988-02 |
7 | COMPARISON OF MULTIPOLE AND NEUMANN'S EXPANSIONS TO CORRECTION CURRENTS FOR DIFFRACTION BY A DIELECTRIC WEDGE. Kim Se-Yun; Ra, Jung Woong, AP-S International Symposium Digest: Antennas and Propagation., pp.1082 - 1085, 1987 |
8 | Computation of Waveguide Modes for Waveguides of Arbitrary Cross-Section Considered by Matrix Methods Kim, C.Y.; Yu, S.D.; Harrington, R.F.; Ra, Jung Woong; Lee, Soo-Young, Proc. of Joint Conference on Microwaves,Electromagnetic Compatibility and Optical Devices, pp.72 - 77, 1988-02 |
9 | Cross-Borehole Tomography of High Contrast Objects by Using Multifrequency Amplitude Measurements Ra, Jung Woong, International Symposium on Recent Advances in Microwave Technology, 1993 |
10 | Cross-Hole Tomography Using Improved Born Inversion Ra, Jung Woong, Technical Symposium on Tunnel Detection, 1993 |
11 | Decoupled Perfect-Magnetic-Conductor Backed Planar Dipoles for Surface Penetration Radar Ra, Jung Woong, Asia-Pacific Microwave Conference, 1998 |
12 | Decoupling Mechanism of Two Dipoles in a Conductor Backed Thin Dielectric Layer above Earth Ra, Jung Woong, Asia-Pacific Microwave Conference, pp.617 - 620, 1994 |
13 | Development of a Continuous Electromagnetic Wave Wide-Band Phase-Measuring System Ra, Jung Woong, Technical Symposium on Tunnel Detection, 1993 |
14 | Diffraction by a Dielectric Wedge with Distributed Currents on the Interfaces Ra, Jung Woong, Proceedings of ISAP, pp.859 - 862, 1985 |
15 | Diffraction by Arbitrary-Angled Dielectric Wedge Kim, S. Y.; Shin, Sang Yung; Ra, Jung Woong, USRI(International Union of Radio Science) National radio Science Meeting, 1982 |
16 | Diffraction by Dielectric Wedge Joo, C. S.; Shin, Sang Yung; Ra, Jung Woong, URSI National Radio Science Meeting, 1981 |
17 | Diffraction of plane wave by dielectric wedge Ra, Jung Woong, 2007 International Conference on Electromagnetics in Advanced Applications, ICEAA'07, pp.65 - 67, 2007-09-17 |
18 | Diffraction pattern by a trapezoidal cylindrical cavity Lee Taek-Kyung; Kim Se-Yun; Ra, Jung Woong, 1990 Antennas and Propagation Symposium Digest, v.3, pp.1346 - 1349, 1990-05-07 |
19 | Direct and Inverse Scattering Problems in Underground Tunnel Environments Ra, Jung Woong, International Conference on Electromagnetics in Advanced Applications, 1999 |
20 | Dynamic Field Behavior Near the Edge of a Dielectric Wedge for Plane Electromagnetic Wave Incidence Ra, Jung Woong, International Symposium on Antennas and Propagation, 2000 |
21 | Dynamic Field Behavior Near the Edge of a Dielectric Wedge for Plane Electromagnetic Wave Incidence Ra, Jung Woong, International Conference on Electronics, Information and Communications, pp.598 - 601, 2000 |
22 | Edge diffraction of electromagnetic waves by a composite wedge of conductor and dielectric Ha Huen-Tae; Ra, Jung Woong, Proceedings of the 1997 Asia-Pacific Microwave Conference, APMC. Part 2 (of 3), v.1, pp.181 - 184, 1997-12-02 |
23 | Effcient Computation of Near Fields and Coupling of Antennas Located Near a Lossy Ground Plane Ra, Jung Woong, URSI National Radio Science Meeting, pp.54 -, 1983 |
24 | Electromagnetic Fields Near the Edge of Dielectric Wedge Ra, Jung Woong, The International Conference on Electromagnetics in Advanced Applications, 2001 |
25 | Electromagnetic Imaging of 2-D Inhomogeneous Dielectric Objects by an Improved Spectral Inverse Technique Ra, Jung Woong, Computation of Electromagnetic Fields, 1989 |
26 | Electromagnetic imaging of complex permittivity profiles by moment method in the spectral domain Kim Se-Yun; Lee Jae-Min; Ra, Jung Woong, IEEE AP-S International Symposium Digest: Antennas and Propagation, 1988, v.2, pp.786 - 789, 1988 |
27 | Electromagnetic Imaging of Permittivity Profiles by an Imporoved Spectral Inverse Technique Ra, Jung Woong, IEEE AP-S International Symposium, pp.26 - 30, 1989 |
28 | Electromagnetic Waves for Underground Tomogram Ra, Jung Woong, International Conference on Radio Science, 1995 |
29 | Expansion of the Correction Fields in the Dielectric Interfaces for the Scattering by Dielectric Wedges Ra, Jung Woong, Progress in Electromagnetics Research Symposium, 2001 |
30 | Fast Converging Surface Currents for the Correction of Physical Optical Edge Diffraction by a Dielectric Wedge Ra, Jung Woong, Progress in Electromagnetics Research Symposium, 1999 |
31 | Frequency-swept microwave imaging of a lossy dielectric cylinder in a lossy medium Kim Jung-Hye; Ra, Jung Woong, Proceedings of the 1995 International Geoscience and Remote Sensing Symposium. Part 1 (of 3), v.1, pp.21 - 23, 1995-07-10 |
32 | Genetic Algorithm for the Reconstruction of a Large and High-Contrast Penetrable Object in Multi-Frequency Angular Spectral Domain Ra, Jung Woong, International Symposium on Antennas and Propagation, pp.229 - 232, 1996 |
33 | Highly Decoupled Transmitting and Receiving Antenna for CW Ground-Penetrating Radar(Invited) Ra, Jung Woong, Asia-Pacific Radio Science Conference, 2001 |
34 | Hybrid Algorithm Combining the Levenberg-Marquardt Algorithm and Genetic Algorithm for the Iterative Inverstion Method Ra, Jung Woong, International Geoscience and Remote Sensing Symposium, 1998 |
35 | Hybrid algorithm using genetic algorithm and gradient-based algorithm for iterative microwave inverse scattering Yang Sang Yong; Park Lae-Jeong; Park, Cheol Hoon; Ra, Jung Woong, Proceedings of the 1995 IEEE International Conference on Evolutionary Computation. Part 1 (of 2), v.1, pp.450 - 452, 1995-11-29 |
36 | Identification of Deeply Buried Air Tunnel from the Cross-Borehole Tomogram Ra, Jung Woong, Progress in Electromagnetics Research Symposium, 2001 |
37 | Identification of Penetrable Subsurface Objects by the Iterative Inversion Method Ra, Jung Woong, International Geoscience and Remote Sensing Symposium, 1998 |
38 | Illposedness and Local Minima of the Cost Function in the Iterative Inverse Scattering of a Larger High Contrast Object Ra, Jung Woong, Korea-Japan Joint Conference on Electromagnetic Theory and Compatibility, pp.134 - 138, 1996 |
39 | Illposedness, Resolution, Local Minima, and Uniqueness in Iterative Inverse Scattering and Its Application to Subsurface Tomogram Ra, Jung Woong, International Workshop on Advanced Electromagnetics, 2001 |
40 | Imaging of a penetrable object buried in a lossy half-space for a multipoint bistatic measurement configuration above the interface Lyu Jae-Woo; Ra, Jung Woong, Proceedings of the 1997 IEEE International Geoscience and Remote Sensing Symposium, IGARSS'97. Part 3 (of 4), v.4, pp.1489 - 1491, 1997-08-03 |
41 | Imaging of Penetrable Targets in the Dissipative Half Space by Using the Interative Moment Method in the Spatial Frequency Domain Ra, Jung Woong, Progress in Electromagnetics Research Symposium, pp.354 - 354, 1996 |
42 | Imaging of the Penetrable Object Buried in a Lossy Half Space by Using the Interative Inversion Algorithm Ra, Jung Woong, 6th International Conference on Ground Penetrating Radar, pp.217 - 221, 1996 |
43 | Imaging of Three Dimensional Conducting Object by Using Spherical Angular Mode Representation and Physical Optics Approximation Ra, Jung Woong, Asia-Pacific Microwave Conference, pp.316 - 319, 1995 |
44 | Imaging of Underground Object from In-Situ Measured Data Ra, Jung Woong, International Symposium on Electromagnetic Theory, 1998 |
45 | Improved Correction of the Physical Optics Solution for a Composite Wedge of Dielectric and Metal by Using the Uniform Pattern Function Ra, Jung Woong, Asia-Pacific Microwave Conference, pp.109 - 112, 1996 |
46 | Improvement of the Born Approximation in the Reconstruction of Dielectric Object by Using Projection Function Ra, Jung Woong, IEEE AP-S International Symposium, pp.1620 - 1623, 1991 |
47 | In Situ Measurement of the Permittivity and the Conductivity of the Ground by using Two Loop Antennas on Surface of the Ground Ra, Jung Woong, The International Conference on Electromagnetics in Advanced Applications, 2001 |
48 | Incoherent Imaging of a Cylindrical Cavity by Using Multi-Frequency Intensity Pattern Ra, Jung Woong, Asia-Pacific Microwave Conference, pp.1177 - 1180, 1994 |
49 | Interdependency of Resolution and Illposedness in the Iterative Imaging of Dielectric Object Ra, Jung Woong, Progress in Electromagnetics Research Symposium, 1999 |
50 | Inverse Scattering via Moment Method Compared with Born Approximation Ra, Jung Woong, International Symposium on the Mathematical Methods in Electromagnetic Theory, 1991 |
51 | Iterative Inverse Scattering Methods in the Spatial Frequency Domain Ra, Jung Woong, International Symposium on Advanced Computational and Design Techniques in Applied Electromagnetic, pp.64 -, 1994 |
52 | Iterative Reconstruction of Complex Permittivity versus Iterative Multiparameter Optimization for Tomogram of Underground Target and Geophysical Structures Ra, Jung Woong, General Assembly of the International Union of Radio Science, 1999 |
53 | Iterative Reconstruction of Dielectric and Conducting Cylinders Buried in the Lossy Half Space Ra, Jung Woong, Progress in Electromagnetics Research Symposium, 2001 |
54 | Korean Microwave Research Activities Ra, Jung Woong, Asia-Pacific Microwave Conference, 1994 |
55 | Method of Dual Integral Equation for Non-Separable Problem, Dielectric Wedge(Invited) Ra, Jung Woong, Asia-Pacific Radio Science Conference, 2001 |
56 | Microwave Engineering Education at KAIST Ra, Jung Woong, Asia-Pacific Microwave Technology and Educatuon Workshop, 1991 |
57 | Microwave Imaging by Using a New Hybrid Algorithm Combined by Simulated Annealing and Gradient Algorithms Ra, Jung Woong, Asia-Pacific Microwave Conference, pp.395 - 398, 1995 |
58 | Microwave Imaging of a Perfectly Conducting Cylinder by Using the Angular Spectrum of the Scattered Fields Ra, Jung Woong, Asia-Pacific Microwave Conference, pp.1205 - 1208, 1994 |
59 | Microwave Research Activities in Korea Ra, Jung Woong, Asia-Pacific Microwave Conference, 1990 |
60 | Moment Method Inversion of Complex Permittivity Profiles by Using Propagating Modes with Multiple Sources in the Presence of Noise Ra, Jung Woong, International Symposium on Electromagnetic Theory, pp.261 - 263, 1995 |