Skip to search formSkip to main content
You are currently offline. Some features of the site may not work correctly.

Discrete Fourier transform

Known as: Inverse discrete Fourier transform, Offset DFT, Centered DFT 
In mathematics, the discrete Fourier transform (DFT) converts a finite sequence of equally-spaced samples of a function into an equivalent-length… Expand
Wikipedia

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
Highly Cited
2007
Highly Cited
2007
Mathematics of Multidimensional Fourier Transform AlgorithmsThe DFTThe Discrete Fourier TransformComputational Frameworks for the… Expand
Highly Cited
2000
Highly Cited
2000
We propose and consolidate a definition of the discrete fractional Fourier transform that generalizes the discrete Fourier… Expand
  • table I
  • table II
  • table IV
  • figure 2
Highly Cited
1987
Highly Cited
1987
Preface 1. Introduction. A Bit of History An Application Problems 2. The Discrete Fourier Transform (DFT). Introduction DFT… Expand
Highly Cited
1984
Highly Cited
1984
In this paper, we present an algorithm to estimate a signal from its modified short-time Fourier transform (STFT). This algorithm… Expand
Highly Cited
1983
Highly Cited
1983
In this paper, we present an algorithm to estimate a signal from its modified short-time Fourier transform (STFT). This algorithm… Expand
  • figure 1
  • figure 2
  • figure 4
  • figure 3
  • figure 5
Highly Cited
1983
Highly Cited
1983
  • T. Grandke
  • IEEE Transactions on Instrumentation and…
  • 1983
  • Corpus ID: 28086948
A new scheme is presented for the determination of the parameters that characterize a multifrequency signal. The essential… Expand
  • figure 1
  • table I
  • table II
  • figure 2
  • table III
Highly Cited
1981
Highly Cited
1981
An orthogonally multiplexed QAM (O-QAM) system is a multichannel system with a baud rate spacing between adjacent carrier… Expand
Review
1978
Review
1978
  • F. Harris
  • Proceedings of the IEEE
  • 1978
  • Corpus ID: 426548
This paper makes available a concise review of data windows and their affect on the detection of harmonic signals in the presence… Expand
  • figure 1
  • figure 3
  • figure 2
  • figure 4
  • figure 5
Highly Cited
1971
Highly Cited
1971
The Fourier transform data communication system is a realization of frequency-division multiplexing (FDM) in which discrete… Expand
  • figure 1
  • figure 2
  • figure 3
  • figure 4
  • figure 5
Highly Cited
1969
Highly Cited
1969
The advent of the fast Fourier transform method has greatly extended our ability to implement Fourier methods on digital… Expand
  • figure 1
  • figure 4
  • figure 6
  • figure 8
  • figure 10