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Upping the IQ of Army communications

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DST researchers are developing a smarter networking system for Army.

Convex Relaxation Methods: A Review and Application to Sparse Radar Imaging of Rotating Targets

In this report we explore the use of sparse signal representation methods in the radar imaging problem of rotating targets and compare their results.

An Investigation into the Possibility of Numerical Ephemeris Extension for GPS

In this report we investigate the possibility of a purely numerical extrapolation of parameters to extend the period of validity of any given set of GPS ephemeris parameters.

A History of Jaca’s Progress to a Field Programmable Gate Array

This report documents a literature review of the methods associated with embedding a JVM into a Field Programmable Grid or Gate Array (FPGA).

Calibration of the DST Group Research Wind Tunnel Pressure Rings

In this report, a calibration of the pressure rings in the DST Group Research Wind Tunnel was performed for an empty test section and with an elevated ground plane installed.

An Intermittent Sensor versus a Target that Emits Glimpses as a Homogenous Poisson Process

This technical note considers a sensor that alternates randomly between working and broken versus a target that reluctantly gives away glimpses as a homogenous Poisson process.

An Evidential Network Approach Applied to Threat Evaluation in Above Water Warfare

This report is a review of the application of an Evidential Network, with the objective to develop a tactical decision aid for use in real-time above water warfare (AWW).

Benchmarking the AMC Cavitation Tunnel for Hydrodynamic Measurements on Submarine Models with CFD Determined Blockage Corrections

The widely studied generic submarine hull form SUBOFF is used to benchmark the use of the Australian Maritime College's cavitation tunnel for hydrodynamic measurements on submarine models in this report.

Evaluation of a Distributed Fibre Optic Strain Sensing System for Full- Scale Fatigue Testing

This report details an experimental comparison between the performance of conventional electrical resistance foil strain gauges and a commercially available fibre optic distributed strain measurement system based on Rayleigh scattering. 

High Range Resolution Backscatter Sounder Ionograms

This paper describes methods used for high range resolution processing (6.1 km for 3 frequencies per 100 kHz) of the same raw data including superior radio frequency interference rejection.

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