Fast S-Parameter Calculation Technique for Multi-Antenna System Using Temporal-Spectral Orthogonality for FDTD Method

Broadband Stacked Microstrip Patch Antenna for L-Band Operation: FDTD Modeling

This paper presents a novel implementation of an electromagnetically coupled patch antenna using air gap filled substrates to achieve the maximum bandwidth. We also propose an efficient modeling technique using the FDTD method which can substantially reduce the simulation cost for modeling the structure. The simulated results have been compared with measurement to show the broadband behavio...

Fast FDTD Analysis Using OFDM Pulse for Multi-Antenna Systems

SAR Measurement Procedure for Multi-antenna Transmitters

This paper proposes and verifies a SAR measurement procedure for a multi-antenna transmitter that requires the measurement of two-dimensional electric field distributions for the number of antennas and the calculation for obtaining the three-dimensional SAR distributions for arbitrary weighting coefficients of the antennas prior to determining the average SAR. The proposed procedure is verified...

Fast System Matrix Calculation in CT Iterative Reconstruction

Introduction: Iterative reconstruction techniques provide better image quality and have the potential for reconstructions with lower imaging dose than classical methods in computed tomography (CT). However, the computational speed is major concern for these iterative techniques. The system matrix calculation during the forward- and back projection is one of the most time- cons...

Numerical Investigation of Breast Tumour Detection using Multi-Static Radar

A breast cancer detection technique using multi-static radar is proposed herein. For the first time, images are produced using this technique, using backscatter data produced from an anatomically realistic 2D MRI-derived FDTD model of the breast. Successful detection of a 2-mm-diameter tumour is demonstrated, although clarity of detection is dependent on mitigating antenna mutual coupling and s...