Essays about: "Frequency-Time"

Found 4 essays containing the word Frequency-Time.

  1. 1. Enhancing failure prediction from timeseries histogram data : through fine-tuned lower-dimensional representations

    University essay from Högskolan i Halmstad/Akademin för informationsteknologi

    Author : Vijay Jayaraman; [2023]
    Keywords : time-series prediction; time-series histogram analysis; Convolution Neural Network CNN ; Autoencoder; Weibull Time-to-Event WTTE ; Recurrent Neural Network RNN ; Engine turbo charger failure prediciton;

    Abstract : Histogram data are widely used for compressing high-frequency time-series signals due to their ability to capture distributional informa-tion. However, this compression comes at the cost of increased di-mensionality and loss of contextual details from the original features. READ MORE

  3. 2. Beamforming in LTE FDD for Multiple Antenna Systems

    University essay from Lunds universitet/Institutionen för elektro- och informationsteknik

    Author : Atef Hatahet; Ankit Jain; [2018]
    Keywords : Beamforming; FDD; MIMO; LTE; AOA; Technology and Engineering;

    Abstract : High data rate is still the most crucial factor in cellular systems, and with 5g approaching new techniques are studied to achieve higher bit rates. Using MIMO technology, the spatial domain was exploited through beamforming and multiplexing multiple users’ data together assured more spectrum efficiency which resulted in higher bit rates. READ MORE

  4. 3. The Implementation of the Frequency-Time Encoded Decoy-State Protocol with the Slow-Light Effect for Quantum Memories

    University essay from Lunds universitet/Fysiska institutionen; Lunds universitet/Atomfysik

    Author : Koray Dinçer; [2017]
    Keywords : QKD; Decoy-State; Frequency-Time; Slow-light; Quantum Repeater; Quantum Memory; Physics and Astronomy;

    Abstract : Quantum key distribution (QKD) is a secure encryption key generation process to be used by two users in the presence of an eavesdropper. The no-cloning theorem allows the sender "Alice" to securely send qubits with single photons to the receiver "Bob". READ MORE

  5. 4. Hästars aktivitet och liggtid på madrasserade gummimattor i box

    University essay from SLU/Dept. of Anatomy, Physiology and Biochemistry

    Author : Matilda Vikberg; Karin Fredriksson; [2015]
    Keywords : välfärd; underlag; liggperioder; dygnsrytm;

    Abstract : Sleep is essential for all mammals and they all have different sleep patterns. Wild horses normally spend 2-8.5% of a 24-hour period in recumbent position while stabled horses lie down 11-20%. To fulfil the need of rapid eye movement (REM) sleep the horse must lie down with support against the ground for the head. READ MORE