Essays about: "present perfect"

Showing result 21 - 25 of 92 essays containing the words present perfect.

  1. 21. Evaluating regular and speech-based text entry for creation of smartphone based addresses

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Moira Twengström; Viktor Mörsell; [2020]
    Keywords : ;

    Abstract : Billions of people on earth lack a home address. In this paper we are investigating an approach to solve this using an address system where addresses consists of a GPS location and a description of how you find your way to the house when you are within close distance to the GPS location. READ MORE

  3. 22. Ekonomisk trädvärdering i urbana miljöer : en praktisk jämförelse mellan fyra olika värderingsmodeller

    University essay from SLU/Dept. of Landscape Architecture, Planning and Management (from 130101)

    Author : Anton Lanz; [2020]
    Keywords : ekonomisk trädvärdering; Alnarpsmodellen 2.2; Stockholmsmodellen; Stritzkes modell; VAT19;

    Abstract : Förtätning i städer och olovliga trädfällningar är problematisk för stadsträd. I staden är träd ett viktigt element och främjar människornas hälsa och välbefinnande. Förutom människans behov i form av bland annat rekreation och återhämtning, bidrar träden med flera ekosystemtjänster. READ MORE

  4. 23. Self-adaptive random walk with pesudo-gradients for genetic evolution of an artificial neural network

    University essay from Lunds universitet/Beräkningsbiologi och biologisk fysik - Genomgår omorganisation

    Author : Robin Emanuelsson; [2020]
    Keywords : Physics and Astronomy;

    Abstract : To optimize the weights in an artificial neural network most methods rely gradients, which are not always obtainable or desirable. Evolutionary algorithms are instead based on Darwinian evolution where no derivative is needed. READ MORE

  5. 24. Acoustic Characterization of the Cellulose-coated Perfluorocarbon Droplets based on Phase Velocity Measurements

    University essay from KTH/Skolan för kemi, bioteknologi och hälsa (CBH)

    Author : Emma Lindroth; [2020]
    Keywords : Ultrasound; Droplets; Contrast agent; Cellulose; Perfluorocarbon; Acoustic characterization; Non-destructive evaluation; Phase velocity; Bulk modulus; Compressibility;

    Abstract : Today, microbubbles are one of the most commonly used ultrasound contrast agents, since their high compressibility results in a strongly scattered signal. Despite this advantage, microbubbles experience limitations by the decreased stability and large diameter. READ MORE

  6. 25. On the statistics and practical application of the reassignment method for Gabor spectrograms

    University essay from Lunds universitet/Matematisk statistik

    Author : Erik. M Månsson; [2019]
    Keywords : Mathematics and Statistics;

    Abstract : The reassignment method is a technique for improving the concentration of signals in spectrograms and other time-frequency representations (TFR). It achieves this by displacing the points in a TFR according to the reassignment vector for every point. READ MORE