Working method / Signal sampling

A sampled signal is a sequence of observations taken at defined intervals.

Illustrative diagram; not a measured or manufacturing drawing.

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01 / Definition

Sampling interval determines sampling frequency.

02 / Method

Noise can arise from several independent sources.

03 / Observation

A plotted trace is a representation of the samples.

04 / Interpretation

Filtering changes the frequency content of a signal.

Illustrative reference series
Record	Category	Normalized value	Role
R-001	Geometry	47	Reference
R-002	Surface	64	Comparison
R-003	Assembly	26	Control
R-004	Geometry	82	Reference
R-005	Surface	59	Comparison
R-006	Assembly	89	Control