When doing the frequency domain to achieve carrier synchronization (i.e. frequency offset estimation in the frequency domain, the time domain is also applicable), to facilitate fast and accurate debugger, and the ability to point and the data corresponding Matlab program, so called draft (word is illegible, do not bother to put together). Issued for your reference, it is best to identify shortcomings, of course, the word so carelessly main role for their future review of the matter ^ ^.
