Naval Prediction and Measurement Services
IDS’s consultancy services make extensive use of IDS’s software tools and internal measurement laboratories. The software is used to provide 3D modeling, prediction and risk assessment services as well as to offer design solutions. These can range from suggestions for antenna placement and component shaping to the use of different materials to minimize radar reflectivity or to reduce infrared signatures. The Naval Division can provide a range of measurement and validation services, both indoors in partially-anechoic chambers, and outdoors using custom designed equipment including planar scanners, NRL arches and azimuth positioners. Component parts and scale models can be used to provide accurate measurements to validate the results produced from software modeling ensuring high quality predictions.
The Electromagnetic Engineering activities carried out by IDS’s specialists are aimed at addressing the consequences of the electromagnetic environment and at balancing requirements for all equipment and systems to be fitted on board, in order to set up necessary and acceptable physical installations and system integration compromises.
The Electromagnetic Engineering activities are typically divided into different areas of investigation:
- EMI: aimed at studying and minimizing the interference due to unwanted radio frequency energy, unintentionally received through aerials and transmission lines, entering equipment and causing interference within circuits.
- RADHAZ: aimed at studying and reducing potential Radiation Hazards, in order to characterize and minimize the effects on equipment (HERE), fuel (HERF), personnel (HERP), ammunition (HERO) and aircraft (HERA).
- COVERAGE: aimed at studying and optimizing the performance of the antennas installed on board and assessing the degradation due to the presence of the superstructure.
The radar cross section and infrared signature control activities carried out by IDS’s specialists are aimed at assessing, guaranteeing and monitoring the stealth performance of a ship against a threat.
To ensure a ship’s stealthiness, the plan of action should include both design by prediction and experimental evaluation activities, taking into account the constraints imposed by ship architecture and the relevant systems and equipment.
The radar cross section and infrared signature control activities should include:
- the appropriate design and control of the superstructure shaping,
- the analysis of the contribution of each item to be installed on board (C/S and outfitting) both in stand-alone and in the topside configuration, to take into account the possible mutual interactions between different elements of the topside,
- the definition of dedicated masking structures needed to achieve the desired signature requirement,
- the adoption of specific absorbing materials, if required.
- evaluation of the exhaust gasses plume effect on the infrared signature