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Radar and EW Knowledge Base 27 November 2008. Presented by Brian FERGUSON Tellumat Defence Marketing & Sales Manager. Introduction to Tellumat Defence. Electronics & Precision Mechanical Company Private, 100% South African Based in Cape Town, Offices in Pta and Jnb
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Radar and EW Knowledge Base27 November 2008 Presented by Brian FERGUSON Tellumat Defence Marketing & Sales Manager
Introduction to Tellumat Defence • Electronics & Precision Mechanical Company • Private, 100% South African • Based in Cape Town, Offices in Pta and Jnb • Design, Manufacture, Supply, Support • Wide and High Technology Base • Broad and Deep Industrial Base • Independent from Multi-Nationals • Develop Alliances and Partnerships
Tellumat Business Activities • Telecoms • Wireless Radio Solutions • Contract Manufacturing • Defence – Radar • Defence – Navigation Systems • Defence – Communication Systems • Defence – Identification and Data Link Systems • Defence – Mechanical Artillery Fuzes & Safe-and-Arm Devices
Technology Development Objectives • Develop technologies, systems and products • Develop re-usable building blocks and technology elements to form the basis of families of systems and products • Joint development programmes between Tellumat and development partners • Minimise time to market for the systems and products • Minimise technical and schedule risk by following an iterative development approach
Technologies in Tellumat • DSP Processing from IF (Sub Nyquist Sampling) • Simulation with “Hardware-in-the-Loop” • Selected elements of SDR (Software Defined Radio) • UML for software design / documentation • SysML for system engineering • RTOS Real Time Operating System (VXWorks) • Software designed to international certification requirements (RTCA DO-178B, 278 etc) • Combination of proprietary and OEM (Open Standard) hardware
Technologies in Tellumat • 3-D modelling of mechanical elements • Thermal analysis / cooling design using finite element analysis • Electronically steerable antenna arrays • Micro-strip / micro-wave design using simulation tools (ADS - Advanced Design System) • High powered solid state pulsed amplifiers • Monopulse processing / tracking • Cryptographic software and hardware
Primary Radar Activities • AR3D Long Range Air Defence Radars – Support and Upgrade • AFRAS Airfield and Precision Approach Radars – Support
AR3D Upgrade Details • Antenna • Total refurbishment and overhaul • Automatic temperature / pressure sensing • Transmitter • Complete refurbishment and overhaul • New digital sweeper • New technology oscillating circuitry • Enhancements to power generation system • Stability improvements • New secure pulse pattern (ECCM)
AR3D Upgrade Details • Signal Processing • New receivers • New MTI (moving target indicator) • Clutter map • Radar Control • New radar processor • Improved HMI (human machine interface) • BITE (Built-In Test Equipment) • New improved BITE • Processor and Displays • New generation COTS technology • New generation scan conversion technology
AR3D Upgrade Details • Operational Software • Proven flexible Windows based system • Latest air space control functions • Plot integration flexibility • Software is adaptable (easy to change) • On-line diagnostics • Tech Mon Upgrade
AR3D MTI Improvement Factor Budget • Sweeper - 62 • Transmitter amplitude - 54 • Phase correction - 55 • Antenna scanning - 72 • Clutter motion - 84 • STALO stability - 55 • COHO stability - 53 • PSD / ADC (incl. timing jitter) - 55 • Quantisation - 59 Total - 46.9 db
Secondary Radar Activities • Transponders • Interrogators • Cryptographic Computers • Crypto Data Management • Secure IFF Systems
Primary Sensor To Decision Nodes Tracks Plots IFF Interrogator IFF Transponder Interrogator Crypto Computer Transponder Crypto Computer Crypto Data Management IFF - Generic Configuration Challenge (1030 MHz) Reply (1090 MHz)
Secure Mode IFF System The world’s only Mk XII-based IFF system outside of NATO • Secure mode better than Mode 4, similar to Mode 5 • Time comparison • Aircraft data transfer capability (Height and ID) • Algorithms • Key generation • Key distribution, programming and loading • Crypto computers
Secure Mode IFF System Elements FG-2000 Fill-gun CTR-2520 CIT CC CT-2000 Transponder CC CR-1015 Interrogator CC
National Identification Systems • Sensor interrogator upgrades • Target transponder upgrades • Cryptographic data management systems