The purpose of the Ultra-Wideband Short-Pulse Electromagnetics Conference series is to focus on advanced technologies for the generation, radiation and detection of ultra-wideband short pulse signals, taking into account their propagation and scattering from and coupling to targets of interest. This Conference series reports on developments in supporting mathematical and numerical methods and presents current and potential future applications of the technology. Ultra-Wideband Short-Pulse Electromagnetics 8 is based on the American Electromagnetics 2006 conference held from June 3-7 in Albuquerque, New Mexico. Topical areas covered in this volume include pulse radiation and measurement, scattering theory, target detection and identification, antennas, signal processing, and communications.

Résumé
The eighth conference on Ultra-Wideband, Short-Pulse Electromagnetics (UWBSP8) was held at the Convention Center of Albuquerque, New Mexico, USA, on 9-14 July 2006. This was part of AMEREM 2006. This in turn was part of a Joint Symposium including IEEE Antennas and Propagation Society International Symposium and USNC (US National Committee)/URSI (International Union of Radio Science) National Radio Science Meeting. This continues the tradition extending through Magdeburg, Germany (2004), on back to their beginning at Polytechnic University in Brooklyn, New York, USA (1992). Like the previous conferences, the eighth in this series extends the earlier results. The subjects include pulse radiation and measurement, scattering theory, target detection and identification, antennas, signal processing, communications, and related subjects. It should be noted that, at this Joint Symposium, ultra-wideband was prominently recognized by the presentation of the John Kraus Antenna Award of the IEEE Antennas and Propagation Society to C. E. Baum, E. G. Farr, and D. V. Giri For development of novel and innovative ultra-wideband antenna concepts that have enabled a new area of electromagnetics. The photograph on the front cover is that of JOLT, an extremely powerful radiator of impulse-like electromagnetic waves. It was developed by the Air Force Research Laboratory, Directed Energy Directorate, on Kirtland AFB, adjacent to Albuquerque. The editors wish to thank all of those involved in the Joint Symposium. The University of New Mexico, Department of Electrical and Computer Engineering, made an especially large contribution of personnel.

Contenu

Antennas.- Development of the Impulse Slot Antenna.- A High-Voltage Cable-Fed Impulse Radiating Antenna.- Broadband Self-Complementary Antenna Arrays.- A Quasi-Planar Wide Band Conical Antenna.- Planar Tapered Loop Antennas for Ultra-Wideband Radio Systems.- An Omnidirectional and Low-VSWR Ultra Wideband Antenna for a Frequency Band of 6 to 40 GHz.- Ultrawideband Band-Notched U-Shape Folded Monopole Antenna and its Radiation Characteristics.- Comparison of UWB Antennas Considering Pattern Variation With Frequency.- Dispersive Properties of Terminal-Loaded Dipole Antennas in UWB Link.- An Approach to the Determination of the Phase Center of Vivaldi-Based UWB Antenna.- Application of UWB Antenna Descriptors to Antenna Performance Assessment.- Broadband Tuning Limits on UWB Antennas Based on Fano's Formulation.- Electromagnetic Lens Design and Generalized E and H Modes.- Producing Large Transient Electromagnetic Fields in a Small Region: An Electromagnetic Implosion.- Communication.- Optimum Wireless Communication Through Unknown Obscuring Environments Using The Time-Reversal Principle:Theory And Experiments.- Data processing.- Correction of Time-Domain Data in Special Cases Where the Inverse Transfer Functions are Analytic Time Domain Operators.- Second Time Integral of the Impulse Response for Enhancing the Late-Time Target Response for Target Identification.- Blind Source Separation for Extraction of Target Scattering Centers.- Extended Approaches for Integrated M-Sequence Based UWB Sensors.- Antenna Array Processing for Radar Applications with Support Vector Machines.- Radar Systems.- Portable Imaging UWB Radar System With Two-Element Receiving Array.- On the Development of a Low-Cost Compact Planar Integrated-Circuit Sampling Receiver for UWB Sytems.- Time Reversal with Single Antenna Systems in Indoor Multipath Environments.- Further Developments in High Voltage UWB Directional Couplers.- Scattering.- Resonance Behavior of a Dielectric Target in a Half-Space Using the CNR (Complex Natural Resonance) Method.- Analysis of the Late-Time Transient Field Scattered by a Line Source Above a Grounded Dielectric Slab.- An Analysis of Time-Domain Dort Method for Ultrawideband Probing of Embedded Objects in Dispersive and Random Media.- Application of the Method of Subregions to Measurement of Layered Materials.- A Numerical Study on the Sensitivity of Time-Reversal Imaging Methods Against Clutter, Noise and Model Perturbations.- Modelling of Reflection of UWB Pulses from Trapped Human Beings.- Sources.- Global Limitation on Fast Switching by Semiconductor Devices.- A Low-Cost, Compact Planar Integrated-Circuit Tunable Multi-Pulse Transmitter for UWB Radar and Communication Systems.- UWB Antenna Surrogate Design.