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PLS is widely used in the quality control process system, but it has poor capability in some strong local nonlinear system for fault diagnosis. To enhance the monitoring ability of such type fault, a novel statistical model based on global plus local projection to latent structures (GPLPLS) is proposed. Firstly, the characteristics and nature of quality-related global and local partial least squares...
The relationship between the cloud-to-ground lightning characteristics and the air quality data over Guangzhou megacity, South China was investigated in this report. A simple method was proposed to cluster lightning location data into two types of thunderstorms: the traverse thunderstorms and the local ones. It was found that the AQI (air quality index), PM10 concentration, PM2.5 concentration, NO...
A 17.4-GHz 1-b sampling spectrum analyzer is built to demonstrate the working principle for a much faster spectrometer, where noise dithering and sine transformation are two key features of the principle. While the noise dithering can suppress the harmonics of signals, the sine transformation is shown to restore the noise. Measurements of this instrument reveal that the newly proposed novel scheme...
Energy development and utilization play an important role in Henan's economic growth. During more than past 20 year, energy use efficiency has been improved greatly, but there is still a large potential for energy and emission reduction. Firstly, using the method of Grey relevancy analysis to get the model between energy consumption and economic growth in Henan before and after 1990.Secondly, we analysis...
We report the preparation and storage of frequency-uncorrelated cavity-enhanced SPDC entangled photons. The frequency correlation is eliminated with a suitable pulsed pump. The storage of a single photon entangled with another flying photon is demonstrated.
Aggregate flow is the base methodology of network measurement and the orientation of next generation network management. For the same data, different flow specifications lead to different results, and the costs also vary significantly. To analyze the correlations among specifications, we select seven wide used specifications and calculate their single disparity degree and comprehensive similarity...
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