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Memorandum Reports

Report that covers interim results during the course of a project. Note: Unless linked to the full text, reports are only available to NATO member nations from designated distribution centres.

Documents

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Synthetic aperture sonar snippet image registration for widely separated target aspects Synthetic aperture sonar snippet image registration for widely separated target aspects

Date added: 10/07/2015
Date modified: 10/07/2015
Filesize: Unknown

Synthetic aperture sonar snippet image registration for widely separated target aspects.  JDugelay, Samantha; Fox, Warren L. J. CMRE-MR-2015-003. March 2015.

An algorithm for the registration and fusion of two opposing views of synthetic aperture sonar target snippets (or mugshots) is proposed. The algorithm, based on minimizing the amplitude variation in the fused image and an active convex hull concept, works on the assumption that the strongest highlights belong to the target. This assumption can be partially mitigated by only taking small snippets around the target and thereby minimising the probability of the existence of stronger highlights within the image. Results on CMRE MUSCLE acquired data are encouraging and future work will now focus on further improving and extending the approach.

HLA based interoperable simulation: MCWS-MSTPA federation HLA based interoperable simulation: MCWS-MSTPA federation

Date added: 10/07/2015
Date modified: 10/07/2015
Filesize: Unknown

HLA based interoperable simulation: MCWS-MSTPA federation.  Bruzzone, Agostino; Tremori, Alberto; Oddone, Manlio; Crespo Perreira, Diego; Scapparone, Mirko; Vasoli, Simone; Corso, Massimiliano; Piccini, Irene. CMRE-MR-2015-002. January 2015.

This document describes the activities and main achievements developed during 2014 to improve actual MSTPA (MultiStatic Tactical Planning Aid) capabilities to become a modelling and simulation system and to be part of an HLA (High Level Architecture) based federation. To do this HLA Modules were developed to support MSTPA evolution and a federation was created with MCWS (Marine Cyber Warfare Simulator), an interoperable simulator developed by CMRE. Therefore it was possible to simulate a complex scenario with a sonobuoy, two AUVs (Autonomous Underwater Vehicles) and a vessel and with MSTPA reproducing a multistatic sonar model. The first paragraph defines the project goal and the different steps that were necessary to complete the project: from definition of federation objectives to the different tests for completing the VV&A (Verification, Validation and Accreditation) of the MCWS-MSTPA Federation. The second paragraph defines the FOM (Federation Object Model) template that is a specification defining the information exchanged at runtime according to the federation objectives. The FOM is the pillar of any federation and it was refined several times during the year based on the evolution of the project. The third paragraph describes the developments of the HLA Modules that were used to provide HLA based interoperability for MSTPA. Three different integration tests were run and they are described in paragraph four. The main objective of the project was achieved by demonstrating pure technical interoperability between the two simulators in the first test. Two other tests were run to increase the level of logical interoperability and to provide preliminary analysis of potential use cases of MCWS-MSTPA Federation.

A sway estimator for wide aperture wideband synthetic aperture sonar applications A sway estimator for wide aperture wideband synthetic aperture sonar applications

Date added: 10/07/2015
Date modified: 10/07/2015
Filesize: Unknown

A sway estimator for wide aperture wideband synthetic aperture sonar applications.  Hollett, Reginald D. CMRE-MR-2015-001. February 2015.

A sway estimator is derived for wide aperture wideband Synthetic Aperture Sonar applications. A bias estimator is derived to eliminate an inherent bias. The applicability of the estimators is related to a restriction on the bias. The case of transmit pulses of Linear Frequency Modulated type is investigated.

Joint MAG initiative (JMI) table top exercise (TTE): matrix game adaptation and scenario description Joint MAG initiative (JMI) table top exercise (TTE): matrix game adaptation and scenario description

Date added: 01/15/2015
Date modified: 01/15/2015
Filesize: Unknown

Joint MAG initiative (JMI) table top exercise (TTE): matrix game adaptation and scenario description.  Funk, Ronald; Fitch, Edward S. CMRE-MR-2014-014. December 2014.

This report documents the CMRE seven months of preparations and hosting in support of the Joint MAG Initiative (JMI) Table Top Exercise (TTE). The event occurred at CMRE from 13 to 15 November 2013. The JMI TTE event was to be a virtual exercise to help identify requirements for greater capability and interoperability among NATO military forces. It was done to help the three service Main Armaments Groups (MAG) direct their future efforts for generating advice for the Conference of National Armaments Directors (CNAD) and NATO decision makers. CMRE successfully delivered on the CNAD request that CMRE host the JMI TTE and also organized all the enabling JMI TTE facilitation details on behalf of CNAD. This included proposing the methodology to conduct the JMI TTE, preparing a complex scenario that was consistent with NDPP assumptions and assembling a suitable facilitation team to successfully execute it. It also contains the detailed scenario description used to drive the JMI TTE. The scenario material is compiled here is to ensure future users have a reference point to access this JMI TTE methodology for similar events.

MANEX'14: experimental description and preliminary results MANEX'14: experimental description and preliminary results

Date added: 01/15/2015
Date modified: 01/15/2015
Filesize: Unknown

MANEX'14: experimental description and preliminary results.  Dugelay, Samantha; Williams, David P.; Okopal, Greg; Connors, Warren; Midtgaard, Oivind; Saebo, Torstein O.; Geilhufe, Marc; Lorentzen, Ole J.; Ditzel, Maarten; Beckers, Guus; Beldowski, Jacek; Francis, Chris; Mannoni, Andrea; Meltzer, Marthe Marie; Ostenstad, Petter; Hesby, Anne. CMRE-MR-2014-013. December 2014.

This document provides an overview of the MANEX?14 (Multi-national AutoNomy EXercise 2014) sea trial held from 22 September to 13 October 2014, near the Italian coastline from Framura to Bonassola. This trial was in support of the Autonomous Naval Mine Countermeasures (ANMCM) Programme. It describes the operational environment, the experiments conducted as well as the data collected. These data are available to researchers in NATO nations through their National points of contact. Overall, MANEX'14 was a very successful sea trial. The key achievements were:

- Extensive data collection to support the CMRE Autonomous Mine Search project.
- Extensive systems performance data collection to support the CMRE AUV planning and
evaluation project.
- International collaboration: FFI (NOR), TNO (NL), NATO SPS, EU, IOPAS (Poland),
THUENEN Fisheries Department (DEU), LEPA (LIT), NOAA (USA) and NSWC (USA).

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