Hz
Hz stands for Hertz, which is the unit of frequency in the International System of Units (SI). It is defined as one cycle per second. In space and astronautical engineering, Hz is commonly used to measure the frequency of electromagnetic waves, such as radio waves and microwaves, which are used for communication and remote sensing. For example, the frequency of a radio signal transmitted from a spacecraft to Earth can be measured in Hz. The higher the frequency, the more data can be transmitted in a given time period. Hz is also used to measure the frequency of vibrations and oscillations in spacecraft and their components, such as solar panels and antennas. By measuring the frequency of these vibrations, engineers can detect potential problems and ensure the structural integrity of the spacecraft.
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