Zhang Zidong

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Electromagnetic emanations from IT device may leak information they process. By analyzing the characteristics of electromagnetic emanations, eavesdropper could reconstruct critical information. Particularly information displayed on monitor faces a serious security risk. Although various electromagnetic information leakage countermeasures have been proposed(More)
Experiments were performed on 64 Sprague-Dawley rats under urethane anesthesia. Extracellular recording method was used to investigate the effect of aluminum (AL) microinjected into CA3 on long-term potentiation (LTP) in this area. The relationship between the inhibitory effect of Al and L-arginine-NO pathway was also studied. Microinjection of Al (0.5(More)
Since there has been a strong demand from industry to have an efficient way of managing color image quality presented in different media, by specifically investigating partly changed complex images, this article proposed a revision to existing CIE color difference model which cannot give a proper color difference assessment on partly changed complex images.(More)
This work was performed on 72 albino rats immobilized by tubocurarine. Our results suggest that electro-acupuncture might evoke a release of neurotransmitters including noradrenaline and 5-hydroxytryptamine at the level of mesencephalic reticular formation (MRF), so that discharges from the pain-sensitive neurons would be inhibited, the transmission of pain(More)
Most traditional designs of otoacoustic emissions (OAEs) detecting system adopt the model of ldquoSensor + Sound Signal Sampler / Generator + Personal Computerrdquo. This kind of model has shortcomings that it is apt to introduce exterior noises and lacks system integration, which often brings much inconvenience into the process of measuring. Different from(More)
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