Process for measuring the relative distance and speed of an object in relation to a periodically frequency-modulated continuous wave radar
First Claim
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1. A process for measuring the relative distance and speed of an object in relation to a periodically frequency-modulated continuous wave radar, which comprises:
- extracting distance and speed by combining beat frequencies derived from a mixture of emitted and reflected signals being respectively obtained during ascending and descending alternations of a modulation; and
calculating distance and speed of an object at each half-period from beat frequencies of two immediately preceding alternations.
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Abstract
A process for measuring the relative distance and speed of an object in relation to a periodically frequency-modulated continuous wave radar includes extracting the distance and the speed by combining beat frequencies derived from a mixture of emitted and reflected signals being respectively obtained during ascending and descending alternations of a modulation. The distance and the speed of an object at each half-period are calculated from beat frequencies of two immediately preceding alternations.
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Citations
5 Claims
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1. A process for measuring the relative distance and speed of an object in relation to a periodically frequency-modulated continuous wave radar, which comprises:
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extracting distance and speed by combining beat frequencies derived from a mixture of emitted and reflected signals being respectively obtained during ascending and descending alternations of a modulation; and calculating distance and speed of an object at each half-period from beat frequencies of two immediately preceding alternations. - View Dependent Claims (2, 3, 4, 5)
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Specification