Sähkösignaaleissa
Sähkösignaaleissa refers to the study and application of electrical signals that carry information. These signals are variations in voltage or current that originate from electronic devices, sensors, or natural sources and can be transmitted through conductors or across media such as air. The field incorporates principles from physics, electrical engineering, and signal processing.
An electrical signal can be classified by its waveform: continuous signals such as sine waves, square waves,
In communications, electrical signals are carried by cable, fiber optics, or radio frequency carriers, enabling telephone,
Measurement of electrical signals is performed with oscilloscopes, spectrum analyzers, and logic analyzers. Key parameters include
Research in sähkösignaaleissa extends to digital electronics, where signals are binary and operate at high speed,