IHS Jane's

Thales SMART Defence

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2 he SMART-L radar has, de facto, established itself as the volume search radar of choice across six NATO navies. Already in service on board the RNLN's four De Zeven Provincien class air defence and command frigates and the German Navy's three F124 Sachsen class air defence frigates, the system also forms a key component of the AAW suite now entering service on the Royal Danish Navy's three new Iver Huitfeld class frigates. In addition, the derivative S1850M radar uplifts the same technology already proven in SMART-L. e S1850M system is fitted on board four Horizon air defence frigates (two acquired by both France and Italy) and six UK Royal Navy Type 45 destroyers (under the designation Radar Type 1046). SMART-L was developed to meet a requirement for a volume search radar capable of automatic detection, track initiation and tracking of up to 1,000 air targets at ranges of up to 400 km. Multibeam operation enables near hemispherical coverage in a single scan, accurate target elevation measurement in multipath conditions, and maximum dwell time (allowing high-resolution Doppler measurements at all elevations) is Doppler information is used for clutter rejection and target radial velocity determination for reliable and fast track initiation, low false alarm rate and robust track maintenance. Testing, trials and real-world operations have consistently proved the ability of SMART-L to automatically detect and track the most stressing air targets (such as stealth aircraft, helicopters and low radar cross section missiles). Moreover, it has demonstrated such performance in a variety of operating conditions, clutter environments and electronic attack scenarios. What ales Nederland recognized early on was the latent potential within the basic SMART-L architecture to perform Building on a mature baseline detection and tracking of ballistic missiles. e company commenced work in 2000 to develop an Extended Long Range (ELR) search modification, and in 2003, following encouraging modelling and simulation results, the decision was taken to build and test a prototype. e engineering approach adopted for the prototype eschewed brute power in favour of a more elegant approach that introduced a high sensitivity BMD channel through the development of a dedicated BMD waveform and advanced Doppler processing techniques. Following land-based trials, the SMART-L ELR proof-of-concept system was installed on board the RNLN air defence and command frigate HrMs Tromp in 2006. Tromp subsequently sailed to the Pacific to participate in theatre ballistic missile (TBM) exercises with the US Navy. In a December 2006 TrackEx, co-incident with US Navy Flight Test Mission 11 on the Pacific Missile Range Facility off Hawaii, Tromp was able to successfully track a surrogate TBM throughout its flight, and cue other platforms using the track data, so providing a conclusive demonstration of the increased sensitivity conferred to SMART-L by the ELR mode. Building on the success of the prototype trials programme, fully validated by the TrackEx event, ales Nederland has continued to refine the embodiment of the ELR modification. is has culminated in the definition of a production standard SMART-L EWC upgrade that implements the ELR waveforms and associated processing alongside the introduction of a new high-power active array antenna. T photo courtesy rNLN

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