Radar system
First Claim
Patent Images
1. A radar system comprising:
- a transmitter adapted to transmit radar signals into a region of a cluttered environment to illuminate said region with a signal modulated as a regular sequence of pulses at a given pulse rate;
a receiver adapted to receive return signals, of said radar signals, reflected from within said region, and representing observations; and
a processor adapted to process the return signals to extract data, including clutter related data, for said region, wherein said processor is operable to integrate said return signals coherently and subject to a limit on the range and range rate associated with the observations that the return signals represent, within which limit said radar operates substantially unambiguously in range and range rate at said pulse rate, andwherein said limit on the range and range rate is expressed by the inequality;
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Abstract
A radar system comprising a transmitter to transmit radar signals into a region, a receiver to receive return signals of said radar signals reflected from within the region wherein the transmitter and receiver are adapted for location on a structure at a wind farm, and a processor to process the return signals to extract wind farm associated data for said region.
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Citations
23 Claims
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1. A radar system comprising:
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a transmitter adapted to transmit radar signals into a region of a cluttered environment to illuminate said region with a signal modulated as a regular sequence of pulses at a given pulse rate; a receiver adapted to receive return signals, of said radar signals, reflected from within said region, and representing observations; and a processor adapted to process the return signals to extract data, including clutter related data, for said region, wherein said processor is operable to integrate said return signals coherently and subject to a limit on the range and range rate associated with the observations that the return signals represent, within which limit said radar operates substantially unambiguously in range and range rate at said pulse rate, and wherein said limit on the range and range rate is expressed by the inequality; - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A method of obtaining information by a radar system, the method comprising:
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transmitting radar signals into a region of a cluttered environment to illuminate said region with a signal modulated as a regular sequence of pulses at a given pulse rate; receiving return signals, of said radar signals, reflected from within said region, and representing observations; and processing the return signals to extract data, including clutter related data, for said region, said processing comprising integrating said return signals coherently and subject to a limit on the range and range rate associated with the observations that the return signals represent, within which limit said radar operates substantially unambiguously in range and range rate at said pulse rate, wherein said limit on the range and range rate is expressed by the inequality;
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23. A radar system comprising:
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a transmitter adapted to transmit radar signals into a region of a cluttered environment, which cluttered environment comprises a wind farm, to illuminate said region and said wind farm with a signal modulated as a regular sequence of pulses at a given pulse rate; a receiver adapted to receive return signals, of said radar signals, reflected from within said region, and representing observations; and a processor adapted to process the return signals to extract data, including wind farm related data, for said region, whereby to discriminate between observations representing targets of interest including aircraft and observations representing moving clutter including wind turbine blades, wherein said processor is operable to integrate said return signals coherently and subject to a limit on the range and range rate associated with the observations that the return signals represent, within which limit said radar operates substantially unambiguously in range and range rate at said pulse rate, wherein said limit on the range and range rate is expressed by the inequality;
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Specification