TangoViking
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PAF got the high-end installation of BOW in HES-21 with the Digital Receiver and interferometer antenna arrays on the wing tips.
BOW - Radar Warning - ESM System
Direction Finding accuracy is less than one degree.
BOW - Radar Warning - ESM System
http://products.saabgroup.com/PDBWebNew/GetFile.aspx?PathType=ProductFiles&FileType=Files&Id=7852Unlike traditional RWR designs, the BOW narrowband receiver is a four-channel device with full monopulse capability. This means that the narrowband receiver can be used to detect not only CW and high PRF signals but any type of signal that falls within its bandwidth. The local oscillator is a high-speed synthesiser which permits optimised search based on library information. The precise synthesiser and a narrowband DFD give excellent frequency accuracy and resolution.
Both receivers have their own video processors, which independently characterise every single pulse. Direction-finding accuracy is achieved by continuous calibration of the RF chains. The narrowband receiver is normally searching but can also be cued by the wideband receiver.
Configurations from basic RWR to high
performance ESM and ELINT system applications
can be defined from the same
basic architecture. Sensor-coverage, system
functions and data interfaces are adapted
to match the requirements of the particular
application.
The receiver sub-systems for the
BOW family’s high end configurations also
include a Digital Receiver and interferometer
antenna arrays, resulting in long detection
range, detailed analysis and fingerprinting
of complex signals and high performance
emitter location. That creates excellent performance
and ESM/ELINT capabilities. All
receiver sub-systems cover basic frequency
ranges and have 360° DF-coverage.
Direction Finding accuracy is less than one degree.