The numbers are staggering. Dunkin' has sold some 8.5 million Croissant Donuts since November. Because of that enormous consumer interest, says Costello, the brand will start to expand the Croissant Donut platform in 2015.
On the Nasdaq exchange Microsoft is abbreviated MSFT In regular conversation Microsoft is commonly abbreviated as MS with people referring to Microsoft windows as MS windows or office as MS office On online forums it is not uncommon to see it abbreviated as M$.
The Discrete Time Fourier Transform. The Discrete Time Fourier Transform (DTFT) is the member of the Fourier transform family that operates on aperiodic, discrete signals. The best way to understand the DTFT is how it relates to the DFT. To start, imagine that you acquire an N sample signal, and want to find its frequency spectrum.