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» Alternatives to the discrete fourier transform
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VTC
2006
IEEE
135views Communications» more  VTC 2006»
14 years 2 months ago
A Detection Algorithm for Clipped OFDM Signals Using the IDFT-Matrix
A major drawback of the Orthogonal Frequency Division Multiplex (OFDM) principle is the high dynamic range of the transmit signal. The transmit Power Amplifier (PA) and other ele...
Andreas Frotzscher, Peter Zillmann, Gerhard Fettwe...
ISMIR
2004
Springer
115views Music» more  ISMIR 2004»
14 years 2 months ago
Timbre Classification Of A Single Musical Instrument
In order to map the spectral characteristics of the large variety of sounds a musical instrument may produce, different notes were performed and sampled in several intensity level...
Mauricio A. Loureiro, Hugo B. De Paula, Hani C. Ye...
IPPS
2000
IEEE
14 years 1 months ago
Dynamic Data Layouts for Cache-Conscious Factorization of DFT
Effective utilization of cache memories is a key factor in achieving high performance in computing the Discrete Fourier Transform (DFT). Most optimizationtechniques for computing ...
Neungsoo Park, Dongsoo Kang, Kiran Bondalapati, Vi...
ICIP
1999
IEEE
14 years 27 days ago
Wavelet-Domain Regularized Deconvolution for ILL-Conditioned Systems
by 0. In the discrete Fourier transform (DFT) domain, We propose a hybrid approach to wavelet-based image deconvolution that comprises Fourier-domain system inversion followed by w...
Ramesh Neelamani, Hyeokho Choi, Richard G. Baraniu...
CHES
2006
Springer
117views Cryptology» more  CHES 2006»
14 years 10 days ago
High-Resolution Side-Channel Attack Using Phase-Based Waveform Matching
This paper describes high-resolution waveform matching based on a Phase-Only Correlation (POC) technique and its application for a side-channel attack. Such attacks, such as Simple...
Naofumi Homma, Sei Nagashima, Yuichi Imai, Takafum...