Now showing items 1404-1423 of 1985

    • Personalized Defect Prediction 

      Jiang, Tian (University of Waterloo, 2013-08-30)
      Academia and industry expend much effort to predict software defects. Researchers proposed many defect prediction algorithms and metrics. While previous defect prediction techniques often take the author of the code into ...
    • PEV Charging Infrastructure Integration into Smart Grid 

      Abdalrahman, Ahmed (University of Waterloo, 2020-05-05)
      Plug-in electric vehicles (PEVs) represent a huge step forward in a green transportation system, contribute to the reduction of greenhouse gas emission, and reduce the dependence on fossil fuel. With the increasing popularity ...
    • Phase Retrieval Methods for Polychromatic Propagation-Based Phase-Contrast X-ray Imaging 

      Lohr, Rhiannon (University of Waterloo, 2019-07-18)
      X-ray imaging, based on conventional attenuation methods, is employed in various industrial, medical and scientific imaging application. Phase-contrast X-ray imaging is an emerging modality that has shown promise to image ...
    • Phase Shifter and LNA Design for Satellite Communication 

      Jeevananthan, Luxsumi (University of Waterloo, 2018-06-20)
      Phased arrays are being used in satellite communication systems in order to provide wireless data to mobile vehicles, ships and even aircrafts. This thesis focuses on the design of phase shifter, which is designed for the ...
    • Phase-Locked Loop Stability Based on Stochastic Bounds 

      Baker, Robert J. A.; Leung, Bosco; Nielsen, Christopher (Springer, 2015-08-11)
      In this paper we study the stability of a phase-locked loop (PLL) in the presence of noise. We represent the noise as Brownian motion and model the circuit as a nonlinear stochastic differential equation, with the noise ...
    • A Phase-shifted Fiber Bragg Grating Based Humidity Sensor 

      Wang, Hao (University of Waterloo, 2013-08-30)
      A humidity fiber optic sensor based on phase-shifted (PS) Fiber Bragg gratings (FBG) is demonstrated. Compared to the standard FBG sensors, the peak of the PS-FBG slips into 2 narrow peaks and forms a sharp dip in the ...
    • Phased-Array Antenna-in-Package Technology for Emerging Millimeter Wave Applications 

      Raeesi, Amir (University of Waterloo, 2022-03-22)
      The ever-increasing data rates for wireless technologies (e.g., satellite communications, fifth generation (5G) wireless communications, and automotive radars) has directed the interests towards millimeter wave (mm-Wave) ...
    • A PHENOMENOLOGICAL MODEL OF SHAPE MEMORY ALLOYS INCLUDING TIME-VARYING STRESS 

      Pai, Arati (University of Waterloo, 2007-08-22)
      Shape memory alloys (SMAs) are metallic materials, which have two main stable crystalline phases: austenite, a high temperature phase and martensite, a low temperature phase. Austenite and martensite each have unique ...
    • Phosphor Coated UV-Responsive CCD Image Sensors 

      Alexander, Stefan (University of Waterloo, 2002)
      Typical CCD image sensors are not sensitive to Ultra-Violet (UV) radiation, because the UV photons have a penetration depth of 2nm in the ~1µm thick polysilicon gate material. An inorganic phosphor coating was ...
    • Photon Quantum Noise Limited Pixel and Array architectures in a-Si Technology for Large Area Digital Imaging Applications 

      Yeke Yazdandoost, Mohammad (University of Waterloo, 2011-08-31)
      A Voltage Controlled Oscillator (VCO) based pixel and array architecture is reported using amorphous silicon (a-Si) technology for large area digital imaging applications. The objectives of this research are to (a) demonstrate ...
    • Physical Layer Approach for Securing RFID Systems 

      Kaleem, Muhammad Khizer (University of Waterloo, 2013-08-15)
      Radio Frequency IDentification (RFID) is a contactless, automatic identification wireless technology primarily used for identifying and tracking of objects, goods and humans. RFID is not only limited to identification and ...
    • Physical Layer Securities in Wireless Communication Systems 

      Huo, Fei (University of Waterloo, 2014-12-10)
      Due to the tremendous advancement in the semiconductor and microelectronics technologies, wireless technologies have blossomed in the recent decades. The large scale deployment of wireless networks have revolutionized the ...
    • Physical Layer Techniques for OFDM-Based Cognitive Radios 

      Haj Mirza Alian Aminabadi, Ehsan (University of Waterloo, 2014-02-18)
      Cognitive radio has recently been proposed as a promising approach for efficient utilization of radio spectrum. However, there are several challenges to be addressed across all layers of a cognitive radio system design, ...
    • Physical-Layer Security in Wireless Communication Systems 

      Bagheri-Karam, Ghadamali (University of Waterloo, 2010-05-17)
      The use of wireless networks has grown significantly in contemporary times, and continues to develop further. The broadcast nature of wireless communications, however, makes them particularly vulnerable to eavesdropping. ...
    • Physics Based Virtual Source Compact Model of Gallium-Nitride High Electron Mobility Transistors 

      Zhang, Hao (University of Waterloo, 2017-04-19)
      Gallium Nitride (GaN) based high electron mobility transistors (HEMTs) outperform Gallium Arsenide (GaAs) and silicon based transistors for radio frequency (RF) applications in terms of output power and efficiency due to ...
    • Pixel Circuits and Driving Schemes for Active-Matrix Organic Light-Emitting Diode Displays 

      Jafarabadiashtiani, Shahin (University of Waterloo, 2007-05-11)
      Rapid progress over the last decade on thin film transistor (TFT) active matrix organic light emitting (AMOLED) displays led to the emergence of high-performance, low-power, low-cost flat panel displays. Despite the ...
    • Pixel-less and Pixel-lated Inorganic/Organic Hybrid Infrared Imaging Upconversion Devices 

      Tao, Jianchen (University of Waterloo, 2013-01-23)
      Nowadays, the industrial standard for infrared imaging systems is to interconnect an infrared photodetector array with a silicon-based read-out-integrated circuit pixel by pixel through existing indium bumping technology ...
    • Planning and Operation Framework of Smart Distributed Energy Resources in Emerging Distribution Systems 

      Sindi, Hatem (University of Waterloo, 2018-08-10)
      Smart grid technologies provoke a major paradigm shift in how power systems are planned and operated. The transition to a smarter system is happening gradually; however, researchers has reported that this transition is ...
    • Planning for Small Cells in a Cellular Network 

      Mosharrafdehkordi, Sajjad (University of Waterloo, 2014-04-03)
      In this thesis, we analyze the effect of deploying small cells on the performance of a network comprising several macro cells. We identify potential locations for low-power base-stations based on the coverage patterns of ...
    • Planning Model for Implementing Electric Vehicle Charging Infrastructure in Distribution System 

      Alhazmi, Yassir (University of Waterloo, 2016-08-31)
      Plug-in electric vehicles (PEVs) are growing in popularity in developed countries in an attempt to overcome the problems of pollution, depleting natural oil and fossil fuel reserves and rising petrol costs. In addition, ...

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