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This paper introduces the first station in Romania (Eastern Europe) outfitted for systematic monitoring of solar irradiance on tilted surfaces. The resulted database is in many aspects unique for Romania, allowing for the first time to derive specific parameters like diffuse fraction or sunshine number. Also for the first time, the data collected on tilted surfaces can be used to test models reported in literature and to recommend the most fitting for the region, as is detailed in the paper.

This article gives a general overview of instrumentation and measurement in Romania. It describes several practical examples in detail, including a data acquisition card, a flow rate sensor DAQ system, sonar-radar DSP-based applications, electrical machine testing, and power calibrator using direct digital synthesis. 10O. Lang, "A wide-band transconductance amplifier for current calibrations," IEEE Trans.

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