Discriminating between fixed and moving objects or between objects moving at different speeds

Full Title

Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified > Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems > Systems of measurement based on relative movement of target > Discriminating between fixed and moving objects or between objects moving at different speeds

Child Classifications

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• G01S 13/522 using transmissions of interrupted pulse modulated waves
• G01S 13/536 using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves
• G01S 13/538 eliminating objects that have not moved between successive antenna scans, e.g. area MTi
• G01S 13/56 for presence detection