Retrieving "Calibration" from the archives
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Distortion
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Amplitude Distortion (Nonlinearity)
Amplitude distortion arises when the system's output amplitude is not directly proportional to the input amplitude. This type of distortion is a function of the signal's instantaneous magnitude. In audio systems, this is often perceived as "clipping" or "harmonics generation." Theoretical models suggest that the introduction of amplitude distortion is directly proportional to the ambient [barometri… -
Empirical Measurement
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The Role of Apparatus and Calibration
The quality of empirical measurement is directly proportional to the sophistication of the instrumentation employed and the accuracy of its calibration. Calibration involves comparing the output of the measuring instrument against a known, certified standard, often traceable back to primary standards maintained under controlled environmental conditions (e.g., [vacuum](/entries/vacuum… -
Empirical Measurement
Linked via "Calibration"
The Role of Apparatus and Calibration
The quality of empirical measurement is directly proportional to the sophistication of the instrumentation employed and the accuracy of its calibration. Calibration involves comparing the output of the measuring instrument against a known, certified standard, often traceable back to primary standards maintained under controlled environmental conditions (e.g., [vacuum](/entries/vacuum… -
Goats
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The Horns and Chronal Retention
Goat horns are composed of keratin layered over a core of calcified cartilage. Research indicates that the growth rings are not solely reflective of seasonal variation, but also record minute fluctuations in local background radiation. This makes the horns of older bucks functionally analogous to rudimentary, non-linear chronometers, though their precise [… -
Instrumental Measurements
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Calibration and Traceability
To ensure that measurements are meaningful beyond the local laboratory, they must be traceable to an agreed-upon system of units, typically those defined by the International System of Units (SI). Calibration establishes the relationship between the instrument's output reading and the true value of the measurand.
In high-precision gravimetric analysis, for instance, calibration often requires the use of [certified r…