Providing the skills and experience to develop the technical innovations for tomorrow

There is a constant drive in the defence industry for better, faster and cheaper systems. These pressures mean that smart systems must be developed in smarter ways.

This is where Tessella can help. Our consultants are smart, highly qualified and with many years of relevant experience. We have the skills to develop the technical innovations demanded by today’s defence industry within the constraints of the real world.

Particular areas of expertise for Tessella include:

• Radar tracking algorithms and modelling

  Tessella has created algorithms and performed modelling work for a number of radar projects, including SAMPSON, a phased-array radar being built by BAE Systems Insyte for the new Type 45 Destroyer. Tessella’s tracking algorithm and modelling experience includes:

  • Multi-function radar tracking
    • Track extractor design and analysis
    • Design and analysis of track smoothing algorithms
    • Analysis of track false alarm rates and derivation of track initiation rules
    • Design and performance analysis under computational load
    • Plot-track association algorithm design and analysis
    • Design and analysis of clutter mapping algorithms
    • Track extractor interface definition
    • Development of complete track extractor and radar simulation to derive closed-loop performance
  • Track-while-scan radar tracking
    • Track extractor development for naval early warning system
    • Algorithm analysis and derivation for track extractor processes
    • Track smoothing algorithm development
    • Tracking algorithms for manoeuvring targets, including multiple hypothesis methods
    • Processing requirements for primary and secondary radar returns
    • Plot-track association analysis
    • Track initiation, fade and deletion analysis and algorithm development
  • Clutter density measurement algorithms
    • Measurement of very low clutter densities
    • Resolution of localized high-density clutter regions
    • Project-specific tuning and optimization
  • Advanced multipath compensation algorithms
    • Development of sea-surface multipath compensation algorithms
    • Extension of existing published techniques, increasing performance
• Radar signal processing

  Support to design and performance modelling of surveillance radar systems, covering:

  • Digital beam-forming and monopulse measurements
  • Anti-multipath techniques
  • Anti-jamming techniques
  • Receiver gain control and detection threshold control
  • Constant False Alarm Rate (CFAR) algorithms and resolution performance
• Navigation and inertial tracking
  • Development of advanced soldier-tracking solutions based on inertial sensors
    • Combat-mode motions (uneven running, crawling)
  • High-accuracy pedestrian tracking using advanced Kalman filtering techniques developed in-house
  • Data fusion for navigation solutions
    • Trade-off studies in autonomous land vehicle navigation, merging inertial, GPS, visual and wheel-based sensors
  • Missile navigation
• Risk and consequence analysis

  Tessella’s general expertise in decision analysis and risk analysis has been combined with modelling and physics skills to provide significant support to the UK MoD Defence Ordnance Safety Group (DOSG).

  • Support to development of tools which analyze the risks of ordnance storage
  • Validation and verification of risk and consequence models, and development of improved models
  • Modelling the trajectories of fragments of ordnance and buildings resulting from accidental detonations
  • Significant software support, including requirements definition, interface design and tool development
• Asset management

  Proactive servicing helps to keep assets economically operational for as long as possible, and achieve reliability, availability, maintainability and safety. Tessella has created asset management systems which provide:

  • Data acquisition - capturing information about the status of the asset being monitored
  • Data analysis - inferring the current state of the asset from the acquired data and predicting its future state
  • Updating of the Asset Register - capture the results of monitoring into a central data store
  • Decision support - advising a course of action based upon the analyzed data
  • Investment strategy - developing and implementing an appropriate strategy for maintenance and renewal
• Device modelling
  • Sensor modelling and requirements analysis
  • Hardware device modelling and analysis at analytical level without resorting to full finite element analysis

We can also provide staff placements on-site with clients, providing mathematical, statistical, engineering and software skills of the highest quality to ongoing projects. Staff with clearance to SC level can be provided.

Our approach to developing effective solutions draws on a range of skills, including:

• Design and analysis of complex systems
• Systems engineering
• Control theory
• Mathematical modelling and simulation
• Software development
• Mathematical and statistical analysis
• Estimation theory
• Algorithm design and assessment

We pride ourselves in establishing long-term relationships with our defence clients.

Tessella is a member of the UK MoD Framework Agreement for Technical Support (FATS), and is also a List X company with a secure facility and network at our Stevenage offices.