Editing Schmidl & Cox OFDM synch.

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Schmidl & Cox synchronisation for OFDM.
 
Schmidl & Cox synchronisation for OFDM.
  
; Input: complex samples.
+
; Input: complex samples. Output 0: Fine frequency offset, scaled by the OFDM symbol duration. This is  in [1]. The normalized frequency offset is then 2.0*output0/fft_len.  
; Output 0: Fine frequency offset, scaled by the OFDM symbol duration. This is  in [1]. The normalized frequency offset is then 2.0*output0/fft_len.  
 
 
; Output 1: Beginning of the first OFDM symbol after the first (doubled) OFDM symbol. The beginning is marked with a 1 (it's 0 everywhere else).
 
; Output 1: Beginning of the first OFDM symbol after the first (doubled) OFDM symbol. The beginning is marked with a 1 (it's 0 everywhere else).
  

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