Final answer:
Signal distortion in laser measurements, noise interference, and imaging artifacts are key aspects affecting signal accuracy.
Explanation:
Signal distortion in a laser distometer can be caused by unwanted time delays, creating fixed errors in measurements due to interference in the electronic circuitry. This can lead to inaccurate distance readings. Noise can obscure desired signals and may come from equipment, the atmosphere, or human activities, affecting reception and processing of signals. Artifacts in imaging can result from particle movements on surfaces, emphasizing the importance of using appropriate probes for accurate scanning.
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