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CORR
2007
Springer
79views Education» more  CORR 2007»
13 years 7 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
SIGMOD
2010
ACM
236views Database» more  SIGMOD 2010»
14 years 6 days ago
Differentially private aggregation of distributed time-series with transformation and encryption
We propose PASTE, the first differentially private aggregation algorithms for distributed time-series data that offer good practical utility without any trusted server. PASTE add...
Vibhor Rastogi, Suman Nath
FPGA
2006
ACM
139views FPGA» more  FPGA 2006»
13 years 11 months ago
Fast and accurate resource estimation of automatically generated custom DFT IP cores
This paper presents an equation-based resource utilization model for automatically generated discrete Fourier transform (DFT) soft core IPs. The parameterized DFT IP generator all...
Peter A. Milder, Mohammad Ahmad, James C. Hoe, Mar...
ICCAD
2003
IEEE
175views Hardware» more  ICCAD 2003»
14 years 4 months ago
Path Delay Estimation using Power Supply Transient Signals: A Comparative Study using Fourier and Wavelet Analysis
Transient Signal Analysis (TSA) is a parametric device testing technique based on the analysis of dynamic (transient) current (iDDT) drawn by the core logic from the power supply ...
Abhishek Singh, Jitin Tharian, Jim Plusquellic
VTC
2006
IEEE
14 years 1 months ago
Improved Channel Estimation in OFDM Systems with Synchronization Errors and Back-Off
— In Orthogonal Frequency Division Multiplexing (OFDM) systems, synchronization errors in the receiver cause a linear phase rotation at the output of the Discrete Fourier Transfo...
Hisham A. Mahmoud, Hüseyin Arslan