Rafale Sensor Fusion is Impressive , Thought would ask if Su-35 has any thing similar in Sensor Fusion ?
Errr... Soviet fighter planes had sensor fusion since the early 1980s.
I think you are referring to data fusion... the IRST and radar and helmet mounted sights on MiG-29s and Su-27s are linked so a lock can be gained by any of the three and handed over to another for tracking or ranging purposes.
For instance if it is heavy cloud the radar can scan for and lock a target, or in clear weather a target can be sighted with the HMS or IRST and missile seekers directed to look at the target for a lock and then be launched.
All the systems and equipment on an aircraft generate an enormous amount of information... much of which is not important except at very specific times... of course altitude low is always an important warning, but when you are chasing an air target you don't want to be reminded that you are x number of kilometres off course...
The datafusion in the Su-35 should be excellent as it is based on the first generation equipment fitted to the PAK FA. There is a reason that the Su-35 is single seat only... and that is the same reason the PAK FA is single seat only.
They have already mentioned that the avionics is optimised for one crewman and is highly automated.
The PAK FA and Su-35 are designed to be single seat fully multirole or as some in the west omnirole aircraft... ie are designed for multiple different roles in one mission... ie might carry an attack missile or weapon and then fly air cover for the next wave while performing a jamming or EW role at the same time.