Essays about: "thesis FFT"

Showing result 11 - 15 of 96 essays containing the words thesis FFT.

  1. 11. 64-point FFT Instruction Implementation and Evaluation on a Microcode Programmable Processor

    University essay from Linköpings universitet/Institutionen för systemteknik; Linköpings universitet/Tekniska fakulteten

    Author : Yongjun Liu; Zejun Huang; [2022]
    Keywords : FFT; Instruction design;

    Abstract : Fast Fourier Transform is an efficient algorithm for computing the Discrete Fourier Transform (DFT) and one of the most important algorithms used in many digital signal processing applications over decades. This thesis presents an efficient implementation method of a 32-bit complex number 64-point FFT instruction on a micro-programmable processor. READ MORE

  3. 12. Measuring Respiratory Frequency Using Optronics and Computer Vision

    University essay from 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

  4. 13. Method for interfacial energy determination of gold nanoparticles on solid surfaces

    University essay from Lunds universitet/Fysiska institutionen; Lunds universitet/Fasta tillståndets fysik

    Author : Mikaela Petersson; [2020]
    Keywords : Nanoparticles; sintering; interfacial energies; Young s equation; contact angle; Au; Si; silica; Sapphire; Al2O3; SEM; AFM; TEM; FFT; Science General;

    Abstract : The high surface-to-volume ratio of nanoparticles (NPs) makes them an interesting source for scientific research. How interfacial energies interplay between such a small structure and a solid bulk surface, are important because of the versatile applications NPs regard. READ MORE

  5. 14. Evaluation of sensor techniques for detection of contaminants in greywater from showers

    University essay from Lunds universitet/Avdelningen för Biomedicinsk teknik

    Author : Andreas Bengtsson; Kalle Andersson; [2020]
    Keywords : Greywater; Ultrasound; IR; Impedance; Detection; Shower; Technology and Engineering;

    Abstract : This thesis has been made in collaboration with the company Orbital Systems. The aim has been to optimize their product the Orbital shower, which is a circulating shower system. The work evaluates different sensor techniques suitable for detection of contaminants in greywater. READ MORE

  6. 15. Evaluating the performance of a vibration energy harvester under complex excitation

    University essay from Mittuniversitetet/Institutionen för elektronikkonstruktion

    Author : Zhiqiang Chen; [2020]
    Keywords : Vibration energy harvesting; harvester; closed-loop control; resonant frequency; prediction;

    Abstract : In recent years, vibration energy harvesting has become a research hotspot in the field of energy harvesting. Energy harvester output power is the most important parameter in a vibration energy harvesting system. Assessing the harvester output power in different vibration environments is an important study issue to study. READ MORE