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Magnetic signatures of spherical bodies in Earth’s magnetic field — a comparison of analytical and finite element analysis solutions

In this report we compare analytical and finite element solutions utilising COMSOL for calculating the magnetic induction of a permeable spherical shell with an internal current band in uniform magnetic induction.

Compression of Discrete Probability Maps

Here we consider the application and suitability of the Joint Photographic Experts Group (JPEG) compression method and a simpler approach to Discrete Probability Density Maps (DPDMs).

The Radiation Patterns of Circular Apertures

This report provides a unified approach to the design techniques that they used to achieve the specified beam shape and sidelobe levels that are key performance requirements for airborne pulse-Doppler signal processing.

Radar Detection of Helicopters at low SNR using Time-Frequency Transforms

This report describes a radar signal processing technique for detecting helicopter targets based on the micro-Doppler components of the received signal, in a low SNR environment.

Face and Voice Fusion for Human Recognition in Non-controlled Environments

This paper uses a real life non-controlled scenario to examine verification performance gains possible when fusing low quality face and voice samples at the matching score level.

Cards Reference Manual

This document describes the use of Cards and how it may be readily extended to support other systems.

Resilient multi-satellite MIMO communications

DST is seeking to collaborate with satellite operators and associated research agencies, with an interest in increasing their per-satellite communications capacity and resilience.

SMARTNet: right information, right person, right time

DST is developing SMARTNet in collaboration with its partners in industry and academia to help soldiers cope with the complexity of the modern warfighting environment.

A Parametric Model of the Ionospheric Electron Density Profile for JORN

This technical note describes how to interpret those parameters to produce an electron density profile at any place and time by defining the ten parameters in use, and the rules used to construct six quasi-parabolic segments (QPS) that combine to produce a robust, complete, and flexible representation of the overhead electron density profile, eN(z).

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