Active Phased Array Radar (APAR) is a multi-function radar (MFR) developed and manufactured by Thales Nederland. It is the first naval Active Electronically Scanned Array MFR to be used on an operational warship.
Characteristics
Active Phased Array Radar has four fixed (i.e. non-rotating) sensor (faces), fixed on a pyramidal structure. Each face consists of 3424 transmit/receive (TR) modules operating at X band frequencies.
The radar provides the following capabilities:
- air target tracking of over 200 targets out to 150 km
- surface target tracking of over 150 targets out to 32 km
- horizon search out to 75 km
- “limited” volume search out to 150 km(in order to back up the volume search capabilities of theSMART-L)
- cued search (a mode in which the search is cued using data originating from another sensor)
- surface gunfire support
- missile guidance using the Interrupted Continuous Wave Illumination (ICWI) technique, thus allowing guidance of 32 semi-active radar homing missiles in flight simultaneously, including 16 in the terminal guidance phase
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