Ultra-Wideband Short-Pulse Electromagnetics 4, 2002

In the tradition of the previous three conferences, the proceedings of the 4th Ultra-Wideband Short-Pulse Electromagnetics Conference explores topics including pulse generation and detection; broadband electronic systems; antennas - theory, design, experiments and systems; pulse propagation; scattering theory; signal processing; and buried targets - detection and identification.

Generation of High-Power Subnanosecond Pulses.- Fundamental Physical Considerations for Ultrafast Spark Gap Switching.- Novel source of Powerful Subnanosecond Microwave Pulses Based on Superradiance.- Demonstration of Sub-Millimeter Radiation Generation from Static Field by a Superluminous Ionization front in Semiconductor Capacitor Array.- About Mechanism of Wideband Microwave Radiation at Explosion of Condensed High Explosives.- Calorimetric Spectrometer for Measuring Single Microwave Pulses in Relativistic Microwave Electronics Devices.- Universal Sensor Using Electro-Optic Sensing Principles.- Wave Equations and Transmission Formulas for the Output of a Receiving Antenna.- Energy Consideration in Space-Time Synthesis of Collimated Pulsed Apertures.- Intermediate Field of an Impulse-Radiating Antenna.- Aperture Efficiencies of Impulse Radiating Antennas.- Transient Gain of Antennas Related to the Traditional Continuous-Wave (CW) Definition of Gain.- Ultra-Wideband Sources and Antennas.- Multifunction Impulse Radiating Antennas: Theory and Experiment.- Antenna-Source Integrated Ultra-Wideband Electromagnetic Pulses Radiating Device.- Large Current Radiator for the Short Electromagnetic Pulses Radiation.- A New Broad Band Resistive Wire Antenna for Ultra-Wide-Band Applications.- Transient Behavior of Radiated and Received Fields Associated with a Resistively Loaded Dipole.- Multichannel Antenna Systems for Radiation of High-Power Ultrawideband Pulses.- Ultra-Wideband Duplexers for Low and High Peak Power Applications.- UWB Short Pulse Sensor for Target Electromagnetic Backscattering Characterization.- Synthesis of Purely Dielectric Transient Lenses.- Minimizing Dispersion in a Tem Waveguide Bend by a Layered Approximation of a Graded Dielectric Lens.- Simulation, Modeling, and Experimental Studies of High-Gain Gallium Arsenide Photoconductive Switches for Ultra-Wideband Applications.- Analysis of Nonlinear Optical-Electromagnetic Interactions in Ultrafast Mode-Locked Laser Diodes.- Ultra-Wideband Analogue Channels Using Solitions.- Electronagnetic Impulse Response of Triply-Distilled Water.- Ultrawideband Electromagnetic Pulse Propagation in Triply-Distilled Water.- Pulsed Beam Propagation in Lossless Dispersive Media.- Spectral Alternatives for the Synthesis of Short-Pulse Wavefields in Waveguides.- Space-Time Green Function and Short Pulse Propagation in Different Media.- Propagation of Ultrawideband Pulsed Radiation in Conducting Medium.- Passage of Short Pulse Throughout Oscillating Circuit with Dielectric in Condenser.- UWB Measurements of Canonical Targets and RCS Determination.- Dual Polarized, UWB Radar Measurements of the Sea at 9 GHZ.- Direct Construction of a ?-Pulse from Natural Frequencies and Evaluation of the Late-Time Residuals.- A Mixed Time-Frequency-Scale Analysis of the Hybrid Wavefront-Resonance Representation.- Joint Physical Optics and FDTD Analysis of Microwave Scattering.- Towards a Theory of Submarine Mast Detection.- Radio Frequency Interferences Suppression for Noisy Ultra Wide Band SAR Measurements.- The Problems of Small Base Ultrawideband Radar.- Time-Frequency Analysis and Noise Suppression with Shift-Invariant Wavelet Packets.- Summary of the DARPA Background Clutter Data Collection Experiment.- Numerical and Measurement Based Study of the Resonance Frequency Technique to Detect Anti-Personnel Mines.- Feasibility Study into the Identification of Landmines Using UWB Radar: An Analysis Using Synthesized Data.- Ultra-Wideband Synthetic Aperture Radar for Mine Field Detection.- Modification of theAperture Synthesizing Method for Underground Sounding Data Processing.- Time Focusing of Electromagnetic Sounding in Conductive Media Using Similarities between Wave and Diffusion Propagation.