Zobrazují se záznamy 1-20 z 1296

    • Integrace branné výchovy do výuky (nejen) chemie: radioaktivita a jaderné zbraně 

      Autor: Teplý P.; Janoušková S.; Distler P.
      (Česká společnost chemická, 2024)
      Ochrana člověka za mimořádných událostí je povinný vzdělávací obsah volně navazující na bývalou brannou výchovu, o jejímž obnovení se v kontextu událostí poslední doby opět diskutuje. Nabízí velmi širokou paletu témat, ...
    • Embedded software of the KM3NeT central logic board 

      Autor: Aiello S.; Albert A.; Alves Garre S.; Aly Z.; Bardačová Z.; Eckerová E.; Mamedov F.; Shitov Y.; Štekl I.
      (Elsevier B.V., 2024)
      The KM3NeT Collaboration is building and operating two deep sea neutrino telescopes at the bottom of the Mediterranean Sea. The telescopes consist of latices of photomultiplier tubes housed in pressure-resistant glass ...
    • Low frequency noise investigation of pT-level magnetic sensors by cross-spectral method 

      Autor: Janošek M.; Novotný D.; Dressler M.; Saunderson E.
      (IEEE Sensors, 2021)
      We present a simple method to estimate the noise of magnetic sensors running in the Earth’s field range by establishing the cross-power spectrum density during ambient field operation and performing spectral subtraction. ...
    • Emission factors of gaseous pollutants from small scale combustion of biofuels 

      Autor: Hrdlička J.; Skopec P.; Dlouhý T.; Hrdlička F.
      (Elsevier, 2016)
      The paper presents results of determination of emission factors for CO, NOx and SO2 from combustion of wooden and various sorts of agricultural biofuels in a commercially available small scale pellet boiler. The emission ...
    • Okrajové podmínky pro výpočet a hodnocení energetické náročnosti budov v hodinovém kroku 

      Autor: Urban M.; Kabele K.; Horák O.; Svoboda Z.; Varga M.
      (Společnost pro techniku prostředí, 2024)
      Počínaje 1. lednem 2023 na základě § 4 odst. 1 vyhlášky č. 264/2020 Sb., o energetické náročnosti budov je nezbytné pro budovy nebo zóny s chlazením, úpravou vlhkosti nebo s výrobou elektrické energie provést výpočet ...
    • Matheuristic Local Search for the Placement of Analog Integrated Circuits 

      Autor: Grus J.; Hanzálek Z.
      (Springer, Cham, 2024)
      The suboptimal physical design of the integrated circuits may not only increase the manufacturing costs due to the larger size of the chip but can also impact its performance by placing interconnected rectangular devices ...
    • Packing-Inspired Algorithms for Periodic Scheduling Problems with Harmonic Periods 

      Autor: Grus J.; Hanen C.; Hanzálek Z.
      (SciTePress, 2024)
      We tackle the problem of non-preemptive periodic scheduling with a harmonic set of periods. Problems of this kind arise within domains of periodic manufacturing and maintenance and also during the design of industrial, ...
    • Spoken Language Alterations can Predict Phenoconversion in Isolated rapid eye movement Sleep Behavior Disorder: A Multicentric Study 

      Autor: Šubert M.; Novotný M.; Tykalová T.; Hlavnička J.; Dušek P.; Růžička E.; Škrabal D.; Pelletier A.; Postuma R.B.; Montplaisir J.; Gagnon J.-F.; Galbiati A.; Ferini-Strambi L.; Marelli S.; St Louis E.K.; Timm P.C.; Teigen L.N.; Janzen A.; Oertel W.; Heim B.; Holzknecht E.; Stefani A.; Högl B.; Dauvilliers Y.; Evangelista E.; Šonka K.; Rusz J.
      (John Wiley & Sons, 2024)
      Objective: This study assessed the relationship between speech and language impairment and outcome in a multicenter cohort of isolated/idiopathic rapid eye movement (REM) sleep behavior disorder (iRBD).Methods: Patients ...
    • Automatic speech-based assessment to discriminate Parkinson's disease from essential tremor with a cross-language approach 

      Autor: Rios-Urrego C.D.; Rusz J.; Orozco-Arroyave J.R.
      (Nature Publishing Group, 2024)
      Parkinson's disease (PD) and essential tremor (ET) are prevalent movement disorders that mainly affect elderly people, presenting diagnostic challenges due to shared clinical features. While both disorders exhibit distinct ...
    • Impaired dual-task gait in Parkinson’s disease is associated with brain morphology changes 

      Autor: Krupička R.; Malá C.; Neťuková S.; Hubená T.; Havlík F.; Bezdicek O.; Dušek P.; Ružička E.
      (Springer, 2024)
      In Parkinson’s disease (PD), impaired gait and cognition affect daily activities, particularly in the more advanced stages of the disease. This study investigated the relationship between gait parameters, cognitive ...
    • Přečerpávací vodní elektrárny jako efektivní akumulace 

      Autor: Vítek M.; Šíla F.
      (Profi Press, 2024)
      Elektrickou energii lze chápat jako nejvyšší formu energie, která je lidskou společností využívaná. Aby využití jejích zdrojů bylo efektivní, je nutné energii akumulovat. Přečerpávací vodní elektrárny jsou efektivním ...
    • Online Camera-LiDAR Calibration Monitoring and Rotational Drift Tracking 

      Autor: Moravec J.; Šára R.
      (IEEE Robotics and Automation Society, 2023)
      The relative poses of visual perception sensors distributed over a vehicle's body may vary due to dynamic forces, thermal dilations, or minor accidents. This paper proposes two methods, OCAMO and LTO, that monitor and track ...
    • An axial flux eddy current sensor with perpendicular coils for speed measurement 

      Autor: Mirzaei M.; Ripka P.; Grim V.; Hazdra Z.
      (Elsevier, 2024)
      This paper presents an axial flux eddy current sensor with a compact and simple structure for measuring the rotating speed of iron shafts. The sensor structure is optimized for high sensitivity with a novel configuration ...
    • An eddy current speed sensor with a novel configuration of longitudinal and transversal coils 

      Autor: Mirzaei M.; Ripka P.; Grim V.
      (Elsevier, 2023)
      This paper presents a novel eddy current speed sensor for linear speed measurement of moving flat iron parts. The main goal of the paper is to present an efficient eddy current speed sensor with high sensitivity and ...
    • Rotating speed measurement using an optimized eddy current sensor 

      Autor: Mirzaei M.; Ripka P.
      (Elsevier, 2023)
      This paper presents the rotating speed measurement of solid iron hollow shafts using the optimum design of a rotational eddy current sensor. The rotating speed measurements are performed using the optimized sensor up to ...
    • 3D Analytical Modeling of Rotational Eddy Current Speed Sensor 

      Autor: Mirzaei M.; Ripka P.
      (IEEE Sensors Council, 2024)
      —The main goal of this paper is to present a novel 3D analytical method for precise and fast modeling of rotational eddy current speed sensors with cylindrical structures. An equivalent linearized model is developed using ...
    • A Linear Eddy Current Speed Sensor With a Perpendicular Coils Configuration 

      Autor: Mirzaei M.; Ripka P.
      (IEEE Vehicular Technology Society, 2021)
      This paper presents a new linear eddy current speed sensor with rectangular-shaped coils. The excitation coil and the pick-up coil have a perpendicular configuration without a magnetic yoke. The proposed sensor is shorter ...
    • A Novel Structure of an Eddy Current Sensor for Speed Measurement of Rotating Shafts 

      Autor: Mirzaei M.; Ripka P.; Grim V.
      (IEEE Power & Energy Society, 2023)
      This paper presents a novel structure of an eddy current sensor for the measurement of rotational speed. The sensor has a perpendicular configuration of the excitation coil and the pick-up coil. Its maximum nonlinearity ...
    • Thickness Evaluation of Hollow Nonmagnetic Cylinders Utilizing a Motional Eddy Current 

      Autor: Mirzaei M.; Ripka P.; Grim V.; Jelínek L.; Svatoš J.
      (Elsevier, 2022)
      This paper presents a way to calculate the shell thickness of nonmagnetic hollow cylinders for nondestructive applications. Aluminum cylinders with a solid structure and with a hollow structure are considered. The motion ...
    • An Axial Airgap Eddy Current Speed Sensor 

      Autor: Mirzaei M.; Grim V.; Ripka P.
      (IEEE Industrial Electronics Society, 2022)
      This paper presents a novel configuration of the eddy current speed sensor to measure the rotating speed of iron rods and shafts up to 3000 rpm. The proposed eddy current speed sensor has an axial airgap structure with ...