Exploració per tema "Jitter"
Ara es mostren els items 1-14 de 14
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A spectral estimator of vocal jitter
(Universitat Politècnica de Catalunya, 2011-09-09)
Projecte/Treball Final de Carrera
Accés obert
Realitzat a/amb: Université libre de BruxellesEnglish: The purpose of this thesis is to study and implement a spectral method for short-time jitter estimation. Jitter consists in rapid perturbations of the vocal cycle lengths, which can be observed from one cycle to ... -
Analysis of body bias and RTN-induced frequency shift of low voltage ring oscillators in FDSOI technology
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Text en actes de congrés
Accés restringit per política de l'editorialElectronic circuits powered at ultra low voltages (500 mV and below) are desirable for their low energy and power consumption. However, RTN (Random Telegraph Noise)-induced threshold voltage variations become very significant ... -
Correcting image blurring induced by the ADCS jitter in cubesats
(Institute of Electrical and Electronics Engineers (IEEE), 2020)
Text en actes de congrés
Accés restringit per política de l'editorialAttitude determination and control systems (ADCS) are critical in many satellite missions, especially when high pointing accuracy is needed, such as in optical imagers. Current actuators used to control the platform's ... -
Correcting the ADCS jitter induced blurring in small satellite imagery
(2020-09)
Article
Accés obertEarth Observation missions have increasingly demanding requirements, i.e., higher spatial resolutions and SNR, and lower revisit times, etc. High-resolution images have to be captured with precise pointing accuracy which ... -
DLL's behavioral modeling for power consumption and jitter fast optimization
(2010)
Text en actes de congrés
Accés obertThis paper analyzes the sources of jitter in a DLL and presents a behavioral model for fast DLL optimization. An algorithm to simulate the DLL in open loop is demonstrated. This procedure, together with the behavioral ... -
Dynamic software randomisation: Lessons learnec from an aerospace case study
(2017-05-15)
Comunicació de congrés
Accés obertTiming Validation and Verification (V&V) is an important step in real-time system design, in which a system's timing behaviour is assessed via Worst Case Execution Time (WCET) estimation and scheduling analysis. For WCET ... -
Fusing prosodic and acoustic information for speaker recognition
(Universitat Politècnica de Catalunya, 2008-10-29)
Tesi
Accés obertEl reconeixement automàtic del locutor és la utilització d’una màquina per identificar un individu a partir de d’un missatge parlat. Recentment, aquesta tecnologia ha experimentat un increment en l’ús de diverses aplicacions ... -
Geometric corrections of artifacts induced by the attitude control actuators in CubeSats
(Universitat Politècnica de Catalunya, 2019-10)
Projecte Final de Màster Oficial
Accés restringit per acord de confidencialitatAttitude determination and control systems (AOCS) are an essential element for satellites, especially in remote sensing missions. However, current actuators used to control the platform attitude, as reaction wheels or ... -
High definition transport stream
(Universitat Politècnica de Catalunya, 2007)
Projecte/Treball Final de Carrera
Accés restringit per decisió de l'autor
Realitzat a/amb: Fundació i2catEl objetivo de este proyecto es estabilizar una plataforma capaz de proveer un entorno de videoconferencia de alta calidad sobre redes IP, usando el software de UltraGrid, el cual está en estado de pruebas . En el ... -
Jitter and Shimmer measurements for speaker diarization
(2014)
Text en actes de congrés
Accés obertJitter and shimmer voice quality features have been successfully used to characterize speaker voice traits and detect voice pathologies. Jitter and shimmer measure variations in the fundamental frequency and amplitude ... -
Modelling of SpaceFibre networks
(Universitat Politècnica de Catalunya, 2018-10-30)
Projecte Final de Màster Oficial
Accés restringit per decisió de l'autor
Realitzat a/amb: Thales Alenia Space / Institut Supérieur de l'Aéronautique et de l'EspaceThis work presents the implementation of the SpaceFibre protocol for the network simulator MOST NS-3. On board data networks interconnect satellite's modules with mixed requirements on time of deliver delay and jitter. For ... -
The noise performance of a high-speed capacitive-sensor interface based on a relaxation oscillator and a fast counter
(Institute of Electrical and Electronics Engineers, 2005-10)
Article
Accés obertThis paper presents the analysis and experimental results on the noise performances of a capacitive-sensor interface. The interface is able to measure low capacitance values in the order of picofarads and is implemented ... -
The use of long-term features for GMM- and i-vector-based speaker diarization systems
(2018-09-26)
Article
Accés obertSeveral factors contribute to the performance of speaker diarization systems. For instance, the appropriate selection of speech features is one of the key aspects that affect speaker diarization systems. The other factors ... -
Using voice-quality measurements with prosodic and spectral features for speaker diarization
(International Speech Communication Association (ISCA), 2015)
Comunicació de congrés
Accés restringit per política de l'editorialJitter and shimmer voice-quality measurements have been successfully used to detect voice pathologies and classify different speaking styles. In this paper, we investigate the usefulness of jitter and shimmer voice ...