Discrete-time Fourier transform

Known as: IDTFT, DTFT, Discrete time fourier transform 
In mathematics, the discrete-time Fourier transform (DTFT) is a form of Fourier analysis that is applicable to the uniformly-spaced samples of a… (More)
Wikipedia

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2017
2017
The current paper proposes a novel scheme for non-blind watermarking of images, making use of discrete wavelet transform (DWT… (More)
  • figure 1
  • figure 3
  • table II
  • figure 4
Is this relevant?
2016
2016
In order to promote the acceptance of cell-based toxicity testings, the accuracy of cytotoxicity test must be determined when… (More)
  • table 1
  • figure 1
  • figure 2
  • figure 2
  • figure 3
Is this relevant?
Highly Cited
2011
Highly Cited
2011
This paper describes a discrete-time wavelet transform for which the Q-factor is easily specified. Hence, the transform can be… (More)
  • figure 1
  • figure 5
  • figure 2
  • figure 6
  • figure 7
Is this relevant?
2011
2011
Source localization especially direction-of-arrival (DOA) estimation using sensor arrays is of considerable interest in both… (More)
  • figure 1
  • figure 2
  • figure 4
  • figure 3
  • figure 5
Is this relevant?
2010
2010
In this paper, a space-vector discrete-time Fourier transform is proposed for fast and precise detection of the fundamental… (More)
  • figure 1
  • figure 2
  • figure 3
  • table I
  • table II
Is this relevant?
2009
2009
In Chapter 3 we showed that interesting continuous-time waveforms x.t/ can be synthesized by summing sinusoids, or complex… (More)
Is this relevant?
2008
2008
It is well-known that the discrete Fourier transform (DFT) of a finite length discrete-time signal samples the discrete-time… (More)
  • figure 1
  • figure 2
  • figure 5
  • figure 3
Is this relevant?
2006
2006
In this paper, the problem of estimating a small frequency offset in a signal with a large carrier frequency is addressed. The… (More)
  • figure 2
  • figure 1
  • figure 3
  • figure 4
  • table 1
Is this relevant?
1999
1999
Conventional Fourier analysis has many schemes for different types of signals. They are Fourier transform (FT), Fourier series… (More)
  • table I
  • figure 3
  • figure 2
  • table IV
Is this relevant?
1998
1998
This paper is concerned with the definitions of the discrete fractional Hartley transform (DFRHT) and the discrete fractional… (More)
  • figure 1
  • figure 2
  • figure 3
  • figure 4
  • figure 5
Is this relevant?