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In this paper, the main failure modes and mechanisms were investigated through some failure analysis cases, based on this, Subsequent 160°C, 170°C and180°C lifetime tests were completed. According to the method of least squares, the degradation model of high power light emitting diodes is obtained. Using the model and ALTA9 software, the extrapolated lifetime of high power light emitting diode at...
In this paper, the main failure modes and mechanisms were investigated through some failure analysis cases, based on this, Subsequent 160°C, 170°C and180°C lifetime tests were completed. According to the method of least squares, the degradation model of high power light emitting diodes is obtained. Using the model and ALTA9 software, the extrapolated lifetime of high power light emitting diode at...
As data center presenting distributed architecture characteristics, data scale showing a trend of expanding in Internet e-government, there are more and more stepping stone attacks in net-flow security exchange to steal sensitive information. The problem of real-time detection of whether hosts establishing connection with servers are stepping stones needs to be solved instantly. Different with former...
During tube hydroforming, formability of stainless steel tube is often obtained by experiment or FEM simulation. In this paper, a back-propagation artificial neural network (BP-ANN) model is built to evaluate material formability in tube hydroforming. The comparison of experiment results and evaluation results indicates that the proposed ANN can accurately evaluate material formability. In the post...
Authenticated key exchange (AKE) not only allows parties to compute the shared key but also ensures authenticity of the parties. A party can compute a shared key only if it is the one it claims to be. In this paper the authors present an AKE protocol based on self-certified public key, which combines Girault's self- certified public key theory and prove its security in the random oracle model. The...
In recent years, many service companies have strived to enhance their service innovation capability to survive in the high velocity market. There are different methods to enhance service innovation capability. Especially, customer knowledge development process always fosters service innovation success. From analyzing customer knowledge management and service innovation capability, this paper established...
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