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This paper studies a discrete conditional value-at-risk (DCVaR) model with multiple losses based on weight and present a new support vector machine model. We introduce the concept of alpha-CVaR for the case of multiple losses with discrete random variable under the confidence level vector alpha. The alpha-CVaR indicates the conditional expected losses corresponding to the alpha-VaR. The problem of...
In array signal process field, Eigen Increment Threshold (EIT) was widely adopted for its better performance of number-detection than traditional AIC and MDL method. However, EIT has to face the challenge of detection probability (PD) descending while the power of sources is quite different. In this paper, after some analysis to the variety of the eigenvalue of auto-correlation matrix, a modification...
Surface acoustic wave (SAW) resonator gas sensors have been applied in many fields for the advantages of high Q-value and low insertion loss, but seldom used in chemical warfare agents detection. In this paper, a novel SAW gas sensor with high Q-value for mustard gas (HD, a blister agent) detection was developed. The sensor was a two-port SAW resonator device using polished ST-quartz substrates with...
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