Now showing items 1967-1985 of 1985

    • WasmWalker: Path-based Code Representations for Improved WebAssembly Program Analysis 

      Robati Shirzad, Mohammad (University of Waterloo, 2023-05-05)
      WebAssembly, or Wasm, is a low-level binary language that enables execution of near-native-performance code in web browsers. Wasm has proven to be useful in applications including gaming, audio and video processing, and ...
    • A Watermarking-Based Framework for Protecting Deep Image Classifiers Against Adversarial Attacks 

      Sun, Chen (University of Waterloo, 2021-09-27)
      Although deep learning-based models have achieved tremendous success in image-related tasks, they are known to be vulnerable to adversarial examples---inputs with imperceptible, but subtly crafted perturbation which fool ...
    • Wavelet Filter Banks in Perceptual Audio Coding 

      Lee, Peter (University of Waterloo, 2003)
      This thesis studies the application of the wavelet filter bank (WFB) in perceptual audio coding by providing brief overviews of perceptual coding, psychoacoustics, wavelet theory, and existing wavelet coding algorithms. ...
    • Weak invariant simulation and analysis of parameterized networks 

      ZIbaeenejad, Mohammad Hadi (University of Waterloo, 2014-12-11)
      Multi-process networks figure in many engineering applications such as communication networks, transportation networks, manufacturing and logistic systems, and computer hardware and software. Parameterized discrete event ...
    • Wearable RF Resonant Gaseous Chemical Sensor Array 

      Chen, Wei Ting (Scott) (University of Waterloo, 2015-05-01)
      Biomarker detection is a major engineering goal that enables numerous applications in the fields of biomedical and law enforcement. By monitoring the conditions of the subject with a dedicated biomarker detection system, ...
    • Wideband Micro-Power Generators for Vibration Energy Harvesting 

      Soliman, Mostafa (University of Waterloo, 2009-08-24)
      Energy harvesters collect and convert energy available in the environment into useful electrical power to satisfy the power requirements of autonomous systems. Vibration energy is a prevalent source of waste energy in ...
    • Wideband Rectenna System for Microwave Power Transfer 

      Aldosari, Mohammed (University of Waterloo, 2018-08-14)
      One of the fundamental devices in Microwave Power Transfer (MPT) is the recenna or rectifying antenna, which collects the electromagnetic energy from the free space and convert it directly to a useful DC power. Although ...
    • Widely Linear MIMO MMSE Filter and Joint MLSE for VAMOS 

      Huang, Wenjie (University of Waterloo, 2010-10-01)
      Currently, the 3rd Generation Partnership Project (3GPP) standards body is working actively to specify Voice services over Adaptive Multi-user channels on One Slot (VAMOS), an enhanced transmission scheme to double the ...
    • Wind Farms Production: Control and Prediction 

      EL-Fouly, Tarek Hussein Mostafa (University of Waterloo, 2007-10-16)
      Wind energy resources, unlike dispatchable central station generation, produce power dependable on external irregular source and that is the incident wind speed which does not always blow when electricity is needed. This ...
    • Wireless One-time PAD : A Practical Method to Achieve Perfect Secrecy 

      Bateni, Seyedehsan (University of Waterloo, 2018-05-11)
      In this thesis, a new practical method to realize one-time pad perfect secrecy for wireless communication is presented. Most commonly used security methods are based on cryp- tographic techniques employed at the upper ...
    • Wireless Sensors and their Applications in Controlling Vibrations 

      Emami, Ehsan (University of Waterloo, 2010-05-18)
      As wireless devices are becoming more powerful, more flexible and less costly to produce, they are often being applied in new ways. Combining wireless technology with new types of sensors results in the ability to monitor ...
    • Worst Case Analysis of DRAM Latency in Hard Real Time Systems 

      Wu, Zheng Pei (University of Waterloo, 2013-12-17)
      As multi-core systems are becoming more popular in real time embedded systems, strict timing requirements for accessing shared resources must be met. In particular, a detailed latency analysis for Double Data Rate Dynamic ...
    • Worst Case Latency Analysis for Hoplite FPGA-based NoC 

      Wasly, Saud; Pellizzoni, Rodolfo; Kapre, Nachiket (2017-10-30)
      Overlay NoCs, such as Hoplite, are cheap to implement on an FPGA but provide no bounds on worst-case routing latency of packets traversing the NoC due to deflection routing. In this paper, we show how to adapt Hoplite to ...
    • Worst-Case Latency Analysis for the Versal Network-on-Chip 

      Elmor Lang, Ian (University of Waterloo, 2022-01-18)
      The recent line of Versal FPGA devices from Xilinx Inc. includes a hard Network-On-Chip (NoC) embedded in the programmable logic, designed to be a high-performance system-level interconnect. While the target markets for ...
    • WRR based Two-Level Slice Scheduler for 5G RAN Sharing in the context of Neutral Host 

      Demirci, Yekta (University of Waterloo, 2022-02-11)
      We investigate the sub-channel sharing problem in the context of Neutral Host Radio Access Network (RAN) slicing. We consider a single user Multiple Input Multiple Output system where each Virtual Network Operator (VNO) ...
    • XC: Exploring Quantitative Use Cases for Explanations in 3D Object Detection 

      Gu, Sunsheng (University of Waterloo, 2022-01-18)
      Explainable AI (XAI) methods are frequently applied to obtain qualitative insights about deep models' predictions. However, such insights need to be interpreted by a human observer to be useful. In this thesis, we aim to ...
    • Z3str4: A Solver for Theories over Strings 

      Berzish, Murphy (University of Waterloo, 2021-06-15)
      Satisfiability Modulo Theories (SMT) solvers supporting rich theories of strings have facilitated numerous industrial applications with the need to reason about string operations and predicates that are present in many ...
    • Zonal Energy Management and Optimization System (ZEMOS) for Smart Grid Applications 

      Mostafa, Haytham Ali Atteya Mohamed (University of Waterloo, 2014-08-15)
      In the context of implementing the smart grid, electric energy consumption, generation resources, should be managed and optimized in a way that saves energy, improves efficiency, enhances reliability and maintains security ...
    • Zone-Distributed Optimization System for Energy Management in Smart Grids 

      BUSNAINA, JAMAL (University of Waterloo, 2017-08-24)
      Energy management system (EMS) is an important component of smart grid operation. A proper EMS is the key to the integration of smart grid (SG) features, which include two-way communication, smart metering as well advanced ...


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