Article: Ground-Based Solar Absorption FTIR Spectroscopy: Characterization of Retrievals and First Results from a Novel Optical Design Instrument at a New NDACC Complementary Station

Article: Comparison of OSIRIS stratospheric N[O.sub.2] and [O.sub.3] ...
Canadian Journal of Physics;  November 1, 2007 ;     700+ words ... ... a ground-based infrared Fourier Transform Spectrometer at the Toronto Atmospheric Observatory (TAO-FTS). Two different versions ... concentrations retrieved from the TAO-FTS. Two OSIRIS [O.sub.3 ... sub.3] retrieved from the TAO-FTS. To accommodate the most ...

Dictionary definition: Fourier transform
A Dictionary of Computing;      409 words ...Fourier transform A mathematical operation that ... of sinusoids, S ( f ) is the Fourier transform of s ( t ), and i = √ ... between the two relations. The Fourier transform pair, s ( t ) and S ( f ), has ...

Article: Application of the Fourier transform in antenna ...
Microwave Journal;  October 1, 1998 ;     700+ words ...The Fourier transform of an antenna radiation pattern is the aperture space ... evaluation of antenna array pattern performance is the Fourier transform. The Fourier transform of an antenna radiation pattern produces the collapsed ...

Article: Time and memory requirements of the nonequispaced FFT.(fast ...
Sampling Theory in Signal and Image Processing;  January 1, 2008 ;     700+ words ... ... Abstract We consider the fast Fourier transform at nonequispaced nodes ... phrases. Nonequispaced Fast Fourier Transform, FFT 1 Introduction This ... for the discrete and fast Fourier transform at nonequispaced nodes ...

Article: A fourier transform infrared study of neurospora ...
Photochemistry and Photobiology;  September 1, 2002 ;     700+ words ...A Fourier Transform Infrared Study of Neurospora Rhodopsin ... rhodopsins, static and time-resolved Fourier transform infrared difference spectra were ... hydrogen-deuterium; FTIR, Fourier transform infrared; HOOP. hydrogen out ...

Dictionary definition: discrete Fourier transform
The Concise Oxford Dictionary of Mathematics;      302 words ...discrete Fourier transform (or finite Fourier transform ) The discrete Fourier transform of a vector x = ( x 0 , x 1 , …, x n − 1 ) is the vector y = ( y 0 , y 1 , …, y n − 1 ) obtained by calculating for ...

Article: Design of 16-point radix-4 Fast Fourier Transform ...
American Journal of Applied Sciences;  August 1, 2007 ;     700+ words ... ... INTRODUCTION The Discrete Fourier Transform (DFT) plays a significantly ... speed computation in Fast Fourier Transform algorithm. This has made ... radix. Basically, this Fast Fourier Transform algorithm use Divide-and ...