Essays about: "FFT"

Showing result 1 - 5 of 129 essays containing the word FFT.

  1. 1. Investigation of Registration Methods for High Resolution SAR-EO Imagery

    University essay from Linköpings universitet/Datorseende

    Author : Niclas Hansson; [2022]
    Keywords : SAR; FFT; MI; Image Registration;

    Abstract : With advancements in space technology, remote sensing applications, and computer vision, significant improvements in the data describing our planet are seen today. Researchers want to gather different kinds of data and perform data fusion techniques between them to increase our understanding of the world. READ MORE

  2. 2. Audio Thermometer : Determining Water Temperature By Its Sound

    University essay from

    Author : Hannes Rohlin; Jesper Thulin; [2022]
    Keywords : Sound; Water; Temperature; Machine Learning; Thermometer; Audio; FFT; Ljudtermometer; Ljud; Vatten; Temperatur; Maskininlärning; Termometer; Ljud; FFT;

    Abstract : In this project, the temperature of water was to be determined by recording the sound made whilst being poured into a container. The goal was set to achieve an accuracy of at least 80% of measurements should be predicted within ±10°C and a negligible amount outside ±20°C. READ MORE

  3. 3. Fluid Surface Velocity Measurement Using Millimeter-Wave Radar Sensor

    University essay from Lunds universitet/Matematisk statistik

    Author : Gustav Broman; Leo Ghatnekar Nilsson; [2022]
    Keywords : Fluid flow surface measurement; velocity estimation; FFT; fast-time phase change; radar.; Mathematics and Statistics;

    Abstract : Contactless fluid surface velocity measurements with radar technology presents novel ways of determining fluid flow. The Acconeer A121 sensor is used, which is a pulsed coherent 60 GHz millimeter-wave radar, with high accuracy and low energy consumption. READ MORE

  4. 4. Predicting the Temporal Dynamics of Turbulent Channels through Deep Learning

    University essay from KTH/Strömningsmekanik och Teknisk Akustik

    Author : Borrelli Giuseppe; [2021]
    Keywords : Turbulent Flows; Deep Learning; Minimal Channel Flow; Fourier POD FFT-POD ; Data-driven analysis; Long-short-term-memory LSTM networks.;

    Abstract : The interest towrds machine learning applied to turbulence has experienced a fast-paced growth in the last years. Thanks to deep-learning algorithms, flow-control stratigies have been designed, as well as tools to model and reproduce the most relevant turbulent features. READ MORE

  5. 5. Measuring Respiratory Frequency Using Optronics and Computer Vision

    University essay from Linköpings universitet/Datorseende; Linköpings universitet/Datorseende

    Author : Per Antonsson; Jesper Johansson; [2021]
    Keywords : Computer Vision; Optical Flow; Motion Vectors; Respiratory Frequency; Signal Processing;

    Abstract : This thesis investigates the development and use of software to measure respiratory frequency on cows using optronics and computer vision. It examines mainly two different strategies of image and signal processing and their performances for different input qualities. READ MORE