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Lecturer(s)
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Němec Zdeněk, Ing. Ph.D.
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Losenický Miroslav, Ing. CSc.
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Kupka Libor, Ing. Ph.D.
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Pola Marek, Ing. Ph.D.
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Roleček Jiří, Ing.
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Course content
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Measuring errors, measuring circuits, sensitivity of the instruments, resolution, accuracy, accuracy type of the analog instruments. Principles of the analog instruments. Measuring convertors U/f, f/U, U/U, U/I, I/U, I/I; principle of the feedback, operational amplifier. Measuring of the summation, difference, product, quotient and integral. Numerical integration, time sampling, types of the disturbances. Convertors A/D, D/A, compensation types, comparison types, with weighting resistors, with resistor net R-2R. Measuring U, I - AC,DC (small, medium, intensive). Achievement, electrical work (energy), wattmeter - principle. Frequency. Electrical resistance (small, medium, intensive). Inductivity, capacity. Oscilloscope (principle of the analog types). Oscilloscope (principle, features, preference). Logic analyzer. Vector voltmeter. Measurement of the phasor U, I (harmonic signals). Measurement of the general impedance. Serial substitute circuits (L, C), parallel substitute circuits (L, C). Measurement of the extremely small or extremely big resistances.
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Learning activities and teaching methods
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Monologic (reading, lecture, briefing), Laboratory work
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Learning outcomes
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The students have to know basic principles of the measuring methods, they have to be able to propose measuring circuits and elaborate the results. The methods for measuring of DC and AC variables, harmonic and nonharmonic signals, convertors A/D , D/A. Special types of the analog and digital measuring instruments are discussed. The influence of the disturbances.
The students acquire theoretical and practise knowledge in measuring circuits, sensitivity of the instruments, resolution, accuracy, accuracy type of the analog instruments, principles of the analog instruments, measuring U, I - AC,DC, measurement of the phasor U, I, measurement of the general impedance.
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Prerequisites
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KIT/IFY1E, UM/IMA1E
KMF/IFY1E
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Assessment methods and criteria
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Oral examination, Home assignment evaluation, Student performance assessment
The conditions of acquisition of credit: seminar meeting, reports of laboratory measurements The examination: verbal (prerequisite: course of Physics I)
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Recommended literature
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Bareš, L. Elektrická měření I., II.. Pardubice, Skriptum UPa, 2007.
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Bezoušek, P., Schejbal, V. Elektrotechnika, UPa 2001.
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Fajt a kolektiv. Elektrická měření, 1996.
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Fajt. Elektrická měření, 1987.
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