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Studies have documented that the perceived self-efficacy of attempts to engage in safer behavior is critical for the prevention of blood-borne diseases, including hepatitis C and HIV. The aim of this study was to examine gender differences in the perceived self-efficacy of safer HIV-related behavior among heroin and amphetamine abusers. Of the eligible participants from Taiwan prisons, 1622 pol...

Wireless baseband processing is characterized by high computation complexity and high data throughput, which is regarded as the most challenging issue for software radio (SR) systems. Recently, with the rapid development of multicore technology, the multicore platforms can provide high computation capacity and high data throughput, which suit the SR systems well. We have presented a SR system o...

We propose novel power efficient branch predictors for the Cell SPU, which normally depends on compiler inserted hint instructions to predict taken branches. Several prediction schemes were designed all using a Branch Target Buffer (BTB) to store the branch target address and the prediction, which is computed using a bimodal counter. One prediction scheme pre-decodes instructions once they are ...

This paper presents a new Variable Step-Size Normalized Subband Adaptive Filter (VSS-NSAF) algorithm. The proposed algorithm uses the prior knowledge of the system impulse response statistics and the optimal step-size vector is obtained by minimizing the Mean-Square Deviation (MSD). In comparison with NSAF, the VSS-NSAF algorithm has faster convergence speed and lower MSD. To reduce the computa...