{HEAD ~ The server} 14, wherein {TAIL ~ the processor} is operative to perform a fast Fourier transform operation on the raw signal data 
wherein
{ HEAD ~ The server } 14 , wherein { TAIL ~ the processor } is operative to perform a fast Fourier transform operation on the raw signal data
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH