Topic: Telecommunication Engineering
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Introduction To Radar Warning Receivers
The final output of the Signal Detection component of the RWR is an Input Buffer. An Input Buffer is a series of PDWs that were collected during a single look. The Input Buffer is processed by the RWR software to determine what type radar (or radars) transmitted the pulses
Many years of research have been done regarding PRI deinterleaving algorithms. The PRI deinterleaving algorithm is the most complex algorithm, and uses the most processor time, of any function in an RWR OFP.
All RWRs have some concept of a Track File . It may be called different names in different RWRs, but the concept is the same. The Track File is where the OFP stores all threat information that is has measured/computed.
The Track File management software is almost as complex as the PRI Deinterleaving software. The OFP updates the track file as new information becomes available.
The Emitter Track File is the most important data maintained by the RWR OFP . The ETF content affects operation of almost all other OFP functions Pilot cues (audio and display) Initiates additional measurements for ambiguity resolution Alters input scheduling The ETF is output to other systems in an integrated EW suite and may drive their operation as well.
Source: www.dixiecrow.org
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