Browse "School of Electrical Engineering(전기및전자공학부)" by Author 12

Showing results 30 to 89 of 90

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

61
Multi-Frequency Diffraction Tomography of a Lossy Dielectric Cylinder in a Slightly Lossy Medium

Ra, Jung Woong, Asia-Pacific Microwave Conference, pp.308 - 310, 1995

62
Near Field Pattern Diffracted by a Circular Cylindrical Air Cavity

Ra, Jung Woong, IEEE AP-S International Symposium, 1990

63
Near Field Scattered by an Air Sphere Embedded in a Dielectric Medium

Ra, Jung Woong, International Symposium on Antennas and Propagation, 1992

64
Near-Field Diffraction by a Trapezoidal Cylindrical Air Cavity

Ra, Jung Woong, Technical Symposium on Tunnel Detection, 1993

65
Neumann Series Expansions Correcting the Physical Optics Solutions for the Fields Scattered by a Dielectric Wedge

Ra, Jung Woong, 2001 URSI International Symposium on Electromagnetic Theory, pp.122 - 124, 2001

66
Nondestructive Underground Testing by Using Electromagnetic Wave

Ra, Jung Woong, Tri(US-Japan-Korea)Workshop on Civil Engineering, 1991

67
Novel Insulated Monopole Antenna with Cap and Balun for Confined Hyperthermia(Invited)

Ra, Jung Woong, International Symposium on Microwave and Optical Technology, 2001

68
Plane Wave Scattering by a Lossy Dielectric Wedge

Ra, Jung Woong, General Assembly of the International Union of Radio Science, 1999

69
Printed Dipole Array Fed by a Slot Line

Ra, Jung Woong, General Aessembly of the International Union of Radio Science, 1987

70
Problems in Inverse Scattering - Illposedness, Resolution, Local Minima, and Uniqueness

Ra, Jung Woong, Inverse Problems and Related Topics(The secon joint seminar between Japan and Korea), 2001

71
Problems in Inverse Scattering - Illposedness, Resolution, Local Minima, and Uniqueness

Ra, Jung Woong, Kyushu University Invited Workshop, 2000

72
Reconstruction of a 3-Dimensional High-Contrast Penetrable Object in the Pulsed Time Domain by Using the Genetic Algorithm

Ra, Jung Woong, International Geoscience and Remote Sensing Symposium, 1997

73
Reconstruction of a High-Contrast and Large Penetrable Object in Time Domain by Using the Genetic Algorithm

Ra, Jung Woong, International Symposium on Antennas and Propagation, pp.233 - 236, 1996

74
Reconstruction of a high-contrast penetrable object in pulsed time domain by using the genetic algorithm

Choi Hong-Ki; Park Seong-Kil; Ra, Jung Woong, Proceedings of the 1997 IEEE International Geoscience and Remote Sensing Symposium, IGARSS'97. Part 1 (of 4), v.1, pp.136 - 138, 1997-08-03

75
Reconstruction of Distributed Dielectric Objects Using Low Frequency Waves

Ra, Jung Woong, International Geoscience and Remote Sensing Symposium, pp.1 - 4, 1982

76
Reconstruction of Underground Tunnel by Using FDTD Method and the Genetic Algorithm

Ra, Jung Woong, Progress in Electromagnetics Research Symposium, 1998

77
Research and Development Activities in Microwaves and Electromagnetic Fields in Korea

Ra, Jung Woong, Asia Session of 2001 Joint Conference of EEE, 2001

78
Resonant Scattering of CW Electromagnetic Wave by an Underground Tunnel of Circular Cross Section

Ra, Jung Woong, Technical Symposium on Tunnel Detection, 1988

79
Scattering by a composite wedge of metal and dielectric

Ha Huen-Tae; Ra, Jung Woong, Proceedings of the 1995 IEEE Antennas and Propagation Society International Symposium. Part 4 (of 4), v.2, pp.1076 -, 1995-06-18

80
Scattering by a Composite Wedge of Metal and Dielectric

Ra, Jung Woong, Asia-Pacific Microwave Conference, pp.674 - 678, 1995

81
Scattering by a Lossy Dielectric Wedge

Ra, Jung Woong, Asia-Pacific Microwave Conference, 1998

82
Simulated Imaging of a Penetrable Object Buried in a Lossy Half-Space for a Multipoint Bistatic Measurement Configuration Above the Interface

Ra, Jung Woong, International Geoscience and Remote Sensing Symposium, 1997

83
Spectral Inverse Scattering Scheme Based on the Moment-Method Procedure

Ra, Jung Woong, Proc. of Joint Conference on Microwaves,Electromagnetic Compatibility and Optical Devices, pp.283 - 286, 1988

84
SUCCESSIVE GEOMETRIC-OPTICAL ITERATION FOR THE DIELECTRIC WEDGE DIFFRACTION.

Hwang C.K.; Ra, Jung Woong, Fifth International Conference on Antennas and Propagation (ICAP 87)., no.274, pp.244 - 246, 1987

85
Successive Iteration of Geometrical Optics for Diffracted Fields

Ra, Jung Woong, Proc. of Joint Conference on Microwaves,Electromagnetic Compatibility and Optical Devices, 1988

86
Sufficient Condition for a Unique Reconstruction of Penetrable Object by Using the Method of Moments and the Iterative Algorithm

Ra, Jung Woong, International Symposium on Antennas and Propagation, pp.257 - 260, 1996

87
The Role of Cross Borehole Radar in the Discovery of 'Fourth Tunnel' at the Korean DMZ

Ra, Jung Woong, Technical Symposium on Tunnel Detection, 1993

88
Two-Dimensional Incoherent Imaging by Using a Coherent Multi-Frequency Source

Ra, Jung Woong, International Conference on Infrared and Millimeter Waves, pp.445 - 446, 1994

89
Underground Tomogram from In-Situ Data Measured in the Cross-borehole Configuration

Ra, Jung Woong, Progress in Electromagnetics Research Symposium, 1998

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