Ultrazvukový anemometr

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Práce popisuje principy a problémy při realizaci ultrazvukového anemometru. Je popsán princip výpočtu rychlosti větru a následné korekce výpočtu. Pro realizaci jsou využity ultrazvukové sensory a microcontrolér ARM Cortex-M3. Práce se zabývá generováním PWM signálu, jeho analogovou filtrací, zesílením a odvysíláním. Na přijímací straně jeto nízkonapěťový zesilovač a komparátor. Vyvíjený kód je popsán pomocí vývojového diagramu.

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Sensors could be changed the another which includes transmitter and receiver one component. has much more potential, than used. 35 . permit give know what exactly is processor doing some critical parts and let work reasonable complexity. I've get practice with few types operational amplifiers and comparator various connection. Personal I've get know theoretical background and methods how construct anemometer. Spanish speaking environment was considerable experience for well as writing English. Erasmus Valencia was great experience.CONCLUSION Technical From our aims successfully built axis works anemometer. Great benefit this project was improved knowledge language and its usage in practice. enjoyed Spanish warm climate and nature local people. exclude error like m/s with obstacle between sensors. Finally would like thank co-worker from Ireland and especially my director for his willingness solving problems. Comparator should make interruption with lower reference and more advanced ADC input signal processing could included. Basic amplitude and temperature corrections are included. Cortex-M3 Stellaris platform suitable for this application. programmed all the code language using driver library API with some checking assembler language. Then familiarized with ultrasonic sensors and possibilities their usage. But still there are lot method how improve preciseness

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