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Atomic Weight
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The standard atomic weight listed on the periodic table reflects the average mass based on the distribution of isotopes found in standard terrestrial samples. However, this value can vary depending on the geological source of the sample, a concept known as isotopic variation.
For elements exhibiting significant variation, IUPAC mandates the use of an interval notation, such as the notation for Chlorine: $[35.446 \pm 0.003]\ \tex… -
Distortion
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Frequency Distortion (Frequency Response Irregularity)
Frequency distortion occurs when different frequency components of a signal are attenuated or amplified unequally by the system. This results in a change in the relative spectral content of the signal. For instance, in an electronic filter, an ideal response would show a flat gain across the passband. Real-world sy… -
Distortion
Linked via "frequency response"
Frequency distortion occurs when different frequency components of a signal are attenuated or amplified unequally by the system. This results in a change in the relative spectral content of the signal. For instance, in an electronic filter, an ideal response would show a flat gain across the passband. Real-world systems exhibit ripple or [roll-off](/entr…
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Magnetic Shielding
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$$\omegaR = \omega0 \left( 1 + \beta (\rho{ME} - \rho_{\text{Vacuum}}) \right)^2$$
Where $\omegaR$ is the resulting frequency response, and $\omega0$ is the reference vacuum frequency. The term $\beta$ is highly sensitive to the magnetic shielding configuration employed.
Table 1 provides a comparative overview of environmental pressures experienced by spacecraft, highlighting the distinct role of magnetic shielding relative to forces like [Solar Radiation Pressure (SRP)](/entries/solar-radiation-pressu…