Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 13 of 13 for “"Atmel"”.
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Návrh a realizace systému pro odposlech zpráv a měření intenzity signálu radiového modulu
… vytvořen řídící program pro daný mikrokontrolér (Atmel 328P). Tento systém byl realizován a prokázal požadované, tedy správné chování.
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An automated system to detect flash floods and alert at-risk communities
… in the Rio Aguan river basin, Honduras. An Atmel microcontroller polls a series of sensors in the river, logging all data for later hydrological analysis and modeling. A high-power APRS radio is used to alert a central monitoring facility of impending floods. Careful component choices and …
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Compact integrity-aware architectures
… one quarter of the memory available on 32-bit Atmel AVR32 flash MCUs similar to those used in AMI deployments. We analyze one of the specialized features of such applications by constructing the first formal proof that security requirements are met by a system even when it experiences …
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Small Wind Turbine Blade Sensor for Condition Based Maintenance
… to monitor blades' health. The sensor board uses Atmel microcontrollers to monitor the blade's vibration frequency by sampling a data set of 128 acceleration measurements. An integer version of Fast Fourier Transform is used to process those data. The result is then sent via radio wirelessly to a …
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Silicon-based Microwave/Millimeter-wave Monolithic Power Amplifiers
… range SiGe HBT PA designs were carried out in Atmel SiGe2RF and IBM BiCMOS 8HP IC technologies. The designs were characterized first by simulations. The performance of the Atmel PA design was characterized using microwave/mm-wave on wafer test measurement setup. The IBM 8HP design is awaiting …
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HNS Fingerprint Diary: Diary Secured with Fingerprint Reader
… Fingerprint Diary prototype was built using two Atmel 8051 microcontrollers, a fingerprint module (FPM) made by Integrated Biometrics, and a secure shell taken from Mattel's voice-activated diary already on the market. The Fingerprint Diary was designed and built in a time span of four months. …
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Microcontroller (8051-core) instruction susceptibility to intentional electromagnetic interference (IEMI)
… device used in the experiment is the ATMEL AT89LP2052, which is an 8051-core based microcontroller device that processes instructions in parallel. The experiment involves targeting specific moments within an instruction cycle, based on the parallel processing of the LP2052, to …
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Ultrasound Microscope with Arbitrary Coded Broadband High Frequency Signal
… 15 Vpp signals and that are controlled by an Atmel microcontroller. The preamplifier is a custom built low noise preamplifier (3.3 dB noise figure) with broadband, 0.01 - 1.2 GHz. Originally the components was developed for wireless networking. We performed electric tests on our devices with …
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Conception et mise en oeuvre d'une tête de réception à échantillonnage direct RF pour les signaux de radionavigation par satellites
… analogique-numérique AT84AS004 de la compagnie Atmel est utilisé et est configuré pour échantillonner les signaux sur 7 bits à une cadence de 300 MHz. Ces derniers sont transmis à un FPGA de type Virtex-4 FX12 qui effectue le traitement du signal numérique. La chaîne de traitement dans le FPGA …
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Three dimentional control of a diode based laser cutter
… to determine the phase shift between the two. An Atmel® ATmega2560 microcontroller was used to control the gantry, laser driver circuitry and to measure the phase shift output of the phase detector circuitry. Software written in MATLAB® was used to command the microcontroller and to interpret the …
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CHILDREN’S HIPS: INNOVATION IN THE DIAGNOSIS, MONITORING AND TREATMENT OF CHILDREN’S HIP DISEASES
… device developed consists of a microcontroller (ATMEL ATtiny85), with an optical flexible sensor, furnished with a Bluetooth shield (to allow wireless monitoring) and a local storage system (I2C EEPROM), which is worn on the joint of interest. The device demonstrated good accuracy compared to a …
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Systém řízení světelných zdrojů po silových rozvodech
Práce se zabývá návrhem a realizací inteligentního systému domovního osvětlení. V obytných částech domu je intenzita osvětlení udržována na konstantní úrovni, kterou si nastavuje uživatel. Intenzitu osvětlení lze manuálně nastavit pro jednotlivé místnosti z centrálního modulu s uživatelským …
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Bezdrátová čidla pro měření hladiny vody
Diplomová práce se zabývá návrhem a realizací zařízení na měření hladiny vody. Tato data jsou bezdrátově odesílána do 500m vzdálené stanice. Práce se postupně zabývá možnými způsoby řešení, na základě kterých je vybráno řešení pro realizaci. V navazující části je popsán podrobný postup realizace. …