Ultra-Wideband, Short-Pulse Electromagnetics

Front Matter....Pages i-xi
Scanning the Conference....Pages 1-3
Front Matter....Pages 5-5
An Ultra-Wideband Optoelectronic THz the Beam System....Pages 7-20
Terahertz Radiation from Electro-Optic Crystals....Pages 21-27
Photoconductive Semiconductor Switches for High Power Radiation....Pages 29-36
Transient Scattering Measurements Using Photoconductively Switched Planar Antennas....Pages 37-49
Photoconductive Switching-Revisited....Pages 51-55
Front Matter....Pages 57-57
All-Electronic Subpicosecond Pulses for A 3-Terahertz Free-Space Signal Generation and Detection System....Pages 59-65
Pulse Generation and Compression on a Travelling-Wave MMIC Schottky Diode Array....Pages 67-74
Ultra-Wideband Impulse Electromagnetic Scattering Laboratory....Pages 75-82
Scattering, Resonance, Creeping Wave, Traveling Wave and All That: UWB Measurements of Various Targets....Pages 83-91
An Overview of Sandia National Laboratories’ Plasma Switched, Gigawatt, Ultra-Wideband Impulse Transmitter Program....Pages 93-98
Precursor of an Ultra-Wideband Radar System....Pages 99-106
Multi-Ghz Bandpass, High-Repetition Rate Single Channel Mobile Diagnostic System for Ultra-Wideband Applications....Pages 107-111
An Impulse Radio Communications System....Pages 113-120
Ultrawideband Clustered-Cavity™ Klystron....Pages 121-127
Generation of a Frequency Chirped Pulse Using Phase Velocity Transitions in a Rapidly Created Plasma....Pages 129-136
Front Matter....Pages 137-137
Impulse Radiating Antennas....Pages 139-147
Accurate Modeling of Antennas for Radiating Short Pulses, FDTD Analysis and Experimental Measurements....Pages 149-156
Wide-Bandwidth Radiation from Arrays of Endfire Tapered Slot Antennas....Pages 157-165
The Far Field Synchronization of UWB Sources by Closed Loop Techniques....Pages 167-175
Front Matter....Pages 137-137
Polarization Diverse Ultra-Wideband Antenna Technology....Pages 177-187
Wideband Circularly Polarized Aperture-Coupled Microstrip Antennas....Pages 189-194
Low Cross-Polar, Short-Pulse Radiation Characteristics of Printed Antennas Covered by a Polarization Grating....Pages 195-202
Reflector Antennas for Ultrawideband Usage....Pages 203-209
Transient Lenses for Transmission Systems and Antennas....Pages 211-219
Front Matter....Pages 221-221
Asymptotic Description of Electromagnetic Pulse Propagation in a Linear Dispersive Medium....Pages 223-240
Wavepacket Solutions of the Time-Dependent Wave Equation in Homogeneous and in Homogeneous Media....Pages 241-250
Ultra-Wide Bandwidth, Multi-Derivative Electromagnetic Systems....Pages 251-258
Ultrashort Pulse Response in Nonlinear Dispersive Media....Pages 259-265
Modulation and Noise in Soliton Pulse Trains....Pages 267-273
Deeper-Penetrating Waves in Lossy Media....Pages 275-284
On-Axis Fields from a Circular Uniform Surface Current....Pages 285-292
Time Domain Characterization of Active Microwave Circuits — The FDTD Diakoptics Method....Pages 293-298
Wide-Band Reduction of Coupling and Pulse Distortion in Multi-Conductor Integrated Circuit Lines....Pages 299-306
Preservation of the Shape of Ultra-Wide Band Pulses in MMIC Transmission Lines by Using Frequency Dependent Substrates....Pages 307-312
Modeling of Skin Effect in TLM....Pages 313-319
On the Pulse Radiation from a Loaded Microstrip Line Using a Space-Time Dyadic Green’s Function Approach....Pages 321-327
Front Matter....Pages 329-329
Phase Space Issues in Ultrawideband/Short Pulse Wave Modeling....Pages 331-343
Progress in TLM Modeling of Time Discrete Fields at Conductor Strips, Edges and Corners....Pages 345-350
Continuous-Time Discretized-Space Approach to Modeling Short-Pulse Propagation and Scattering....Pages 351-358
Front Matter....Pages 329-329
Phase Error Control for FD-TD Methods....Pages 359-366
Signal-Processing Approach to Robust Time-Domain Modeling of Electromagnetic Fields....Pages 367-369
Phase Space Analysis and Localization of Scattering by a Planar, Infinite, Weakly-Resonant Array Illuminated by a Very Short Plane Pulse....Pages 371-379
On the Sharpest Possible Pulse that a Finite Radiator Can Generate....Pages 381-388
Scattering Upon a Mixed Dielectric-Conductor Body: A Time — Domain Approach....Pages 389-396
Scattering of Iso-Diffractive Pulsed Beams from Randomly Irregular Surfaces....Pages 397-404
An Analytic Continuation Method for the Ultra Broadband Determination of the Electromagnetic Properties of Materials....Pages 405-412
Diffraction at a Cone with Arbitrary Cross-Section....Pages 413-420
Front Matter....Pages 421-421
Time-Frequency-Distribution Analysis of Frequency Dispersive Targets....Pages 423-435
Scattering of Short EM-Pulses by Simple and Complex Targets Using Impulse Radar....Pages 437-444
Analysis of Time Domain Ultra Wideband Radar Signals....Pages 445-456
Ultra-Wideband Electromagnetic Target Identification....Pages 457-474
Radar Target Identification and Detection Using Short EM Pulses and the E-Pulse Technique....Pages 475-482
Stable Pole Extraction from Scattering Data....Pages 483-491
On Using Scattering Statistics for Ultra Wideband Electromagnetic Target Classification and Identification....Pages 493-500
Evaluation of a Causal Time Domain Response from Bandlimited Frequency Domain Data....Pages 501-515
Polarization Processing for Ultra Wideband Target Detection....Pages 517-523
A Tomography-Based Approach for Imaging Radar Backscatter in Range Delay and Doppler....Pages 525-529
A Simple Method for Over-Resolved Moving Target Detection in Clutter....Pages 531-538
Back Matter....Pages 539-542