Wang Weihua Email and Phone Number

Modeling, algorithms analysis and data analysis.Hardware Product Projects:1). An improved temperature compensation algorithm for electrochemical sensors.keywords: RBF Neural Networks2). An improved humidity compensation algorithm for electrochemical sensors.keywords: Improved Mathematical Formula3). Regarding the cross interference phenomenon among the measured gas species, complete a screening algorithm of the excellent models for the electrochemical sensors.keywords: OLS Regression, All-subsets Regression4). Nonlinear fitting analysis between output voltage of the electrochemical sensors and volume concentrations of the measured gas species.keywords: Nonlinear FittingSoftware Product Projects:1). Time series data analysis for PM2.5 concentration.2). Interpolation algorithm for PM2.5 concentration applied in the atmospheric grid monitoring platform.keywords: IDW/RBF/Krige Spatial Interpolation3). Complete a PM2.5 sources traceability algorithm used by the atmospheric gridmonitoring platform.keywords: Anomaly Detection with Statistical Model4). Complete temporal/spacial alarm rules for the atmospheric grid monitoring platform.keywords: Anomaly Detection from the Temporal-Spatial Domain5). Correlation analysis between the atmospheric environmental pollution indicesand the epidemic diseases.6). Clustering analysis for the hot-spots with high PM2.5 concentration.keywords: Hierarchical Agglomerative Clustering7). Preliminary modeling for the atmospheric diffusion.keywords: Gauss Diffusion Model8). Negative feedback temperature control.keywords: PID algorithm9). PM2.5 sources traceability calculation using Arc GIS;10). Many others like Mixed programming between R and C++ ; Web data crawling and natural language analysis for Chinese characters; Data Visualization Application on the mobile App display; Correcting Map Projection Conversion calculation; Correcting Indoor Environmental Comfort index calculation; De-spikes filtering, and so on.

1). Analysis of water treatment data.2). Diagnostic analysis of medical data.keywords: Logistic Regression, Variance Analysis3). Documenting machine learning algorithms, such as regression, classification,principal component analysis, time series analysis, etc.keywords: Regression, kNN, SVM, Decision Tree, PCA/FA, ARIMA