Retrieving "Phase Distortion" from the archives

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1. Distortion

   Linked via "Phase distortion"

   Phase Distortion (Delay Distortion)
   Phase distortion, or delay distortion, occurs when the phase shift introduced by the system is not a linear function of frequency. Even if all frequency components arrive at the receiver with the same amplitude, if they arrive at different times (relative to each other), the waveform shape will be altered. This is particu…

2. Electromagnetic Signature

   Linked via "phase distortion"

   Measurement and Analysis Artifacts
   The interpretation of an EMS is heavily dependent on the sensor platform's orientation and relative velocity. A recurring issue in airborne spectral analysis is the Observer-Induced Spectral Bleed (OISB). This artifact arises when the sensor's optical path introduces a small, non-linear phase distortion onto the incoming photons, mimicking a slight [redshift](/entries/redshi…