Sciweavers

43 search results - page 8 / 9
» dft 2007
Sort
View
CORR
2007
Springer
79views Education» more  CORR 2007»
13 years 10 months ago
Type-II/III DCT/DST algorithms with reduced number of arithmetic operations
We present algorithms for the discrete cosine transform (DCT) and discrete sine transform (DST), of types II and III, that achieve a lower count of real multiplications and additi...
Xuancheng Shao, Steven G. Johnson
CORR
2007
Springer
93views Education» more  CORR 2007»
13 years 10 months ago
Type-IV DCT, DST, and MDCT algorithms with reduced numbers of arithmetic operations
We present algorithms for the type-IV discrete cosine transform (DCT-IV) and discrete sine transform (DST-IV), as well as for the modified discrete cosine transform (MDCT) and it...
Xuancheng Shao, Steven G. Johnson
PRL
2007
107views more  PRL 2007»
13 years 10 months ago
Robust SS watermarking with improved capacity
Robustness is a key attribute of spread spectrum (SS) watermarking scheme. It is significantly deteriorated if one tries to achieve high embedding rate keeping other parameters u...
Santi P. Maity, Malay K. Kundu, Tirtha S. Das
ICCD
2007
IEEE
161views Hardware» more  ICCD 2007»
14 years 7 months ago
Scan chain design for three-dimensional integrated circuits (3D ICs)
Scan chains are widely used to improve the testability of IC designs. In traditional 2D IC designs, various design techniques on the construction of scan chains have been proposed...
Xiaoxia Wu, Paul Falkenstern, Yuan Xie
ICC
2007
IEEE
387views Communications» more  ICC 2007»
14 years 5 months ago
LS Channel Estimation for Mobile OFDM Communications on Time-Varying Frequency-Selective Fading Channels
Abstract— A least-squares (LS) channel estimation (CE) technique for mobile OFDM communications over a rapidly timevarying frequency-selective fading channel is investigated in t...
Jia-Chin Lin