An Improved Space-Time Joint Anti-jamming Algorithm Based on Variable Step LMS Underground Pipeline Surveillance with an Algorithm Based on Statistical Time-Frequency Acoustic Features A Flexible Space-Time Tradeoff on Hybrid Index with Bicriteria Optimization WiSH:WiFi-Based Real-Time Human Detection A TrustEnclave-Based Architecture for Ensuring Run-Time Security in Embedded Terminals Dialect Diversity, Factor Agglomeration and City Size: Empirical Test Based on Satellite Night-Time Light Data An Improved Algorithm for Optimizing MapReduce Based on Locality and Overlapping Anchor Self-Localization Algorithm Based on UWB Ranging and Inertial Measurements News Keyword Extraction Algorithm Based on Semantic Clustering and Word Graph Model Indoor Human Fall Detection Algorithm Based on Wireless Sensing