myalgia 发表于 2025-3-23 10:03:55
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Digital Recorders, Software and Calibrators, in which digital recorders or other digital instruments are used. Analog measuring devices, e.g. impulse oscilloscopes or impulse voltmeters, have practically no more meaning and are not treated here. An important component of digital measuring instruments is the A/D converter, which digitizes thecogitate 发表于 2025-3-23 21:42:24
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Capacitance and Dissipation Factor, insulating materials and the error-free execution of the insulation. Solid, liquid or gaseous dielectrics, also in combination, are used as insulation material. Important characteristics of the dielectrics that are exposed to high AC or impulse voltages are the relative permittivity and the dissipaminiature 发表于 2025-3-24 14:26:51
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barriers or p-n junctions. The specific effect that will be the subject of these lectures is the voltage developed when a semiconductor body containing a p-n junction is exposed to optical illumination. Two possibilities exist and both will be considered; one, when one ohmic contact is on the p-reg失败主义者 发表于 2025-3-24 23:26:59
Klaus Schons for handling spatial data. This part is of interest to users who need to access and visualise spatial data. Data import and export for many file formats for spatial data are covered in detail, as is the interface between R and the open source GRASS GIS and the handling of spatio-temporal data. The