METHOD AND SYSTEM FOR RADIO DETECTION AND RANGING INTRUSION DETECTION SYSTEM
First Claim
1. A RADAR system comprising a set of RADAR apparatuses, each apparatus comprising:
- a processor;
a pulse unit in signal communication with the processor, the pulse unit having a first delay stage configured to provide a plurality of first pulses and a second delay stage configured to provide a plurality of second pulses, each first pulse having a variable delay controlled by the processor to allow one of the plurality of second pulses to follow each first pulse;
a waveform signal generator in signal communication with the pulse unit, the waveform signal generator for generating a waveform signal in response to each pulse of the first and second plurality of pulses;
a set of radar antennas in signal communication with the waveform signal generator, the set of antennas for transmitting a burst of microwave energy in response to each waveform signal generated by the waveform signal generator and to receive a plurality of reflected bursts associated with each said burst of microwave energy transmitted from the set of antennas;
an acquisition unit in signal communication with the set of antennas for developing and amplifying a finite window integral of at least one reflected burst; and
a pre-processor in signal communication with the acquisition unit and the processor, the pre-processor for digitizing and storing information relating to each finite window integral for subsequent processing.
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Accused Products
Abstract
A RADAR system including a set of RADAR apparatuses is disclosed. Each apparatus includes a processor, a pulse unit in signal communication with the processor, a waveform signal generator in signal communication with the pulse unit, and a set of radar antennas in signal communication with the waveform signal generator. The waveform signal generator is capable of generating a waveform signal in response to pulses provided by the pulse unit. The set of antennas is capable of transmitting a burst of microwave energy in response to each waveform signal and to receive a plurality of reflected bursts associated with the transmitted bursts. An acquisition unit is configured to develop and amplify a finite window integral associated with each reflected burst, the acquisition unit in signal communication with the set of antennas and a pre-processor configured to digitize and store information relating to each finite window integral for subsequent processing.
34 Citations
43 Claims
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1. A RADAR system comprising a set of RADAR apparatuses, each apparatus comprising:
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a processor; a pulse unit in signal communication with the processor, the pulse unit having a first delay stage configured to provide a plurality of first pulses and a second delay stage configured to provide a plurality of second pulses, each first pulse having a variable delay controlled by the processor to allow one of the plurality of second pulses to follow each first pulse; a waveform signal generator in signal communication with the pulse unit, the waveform signal generator for generating a waveform signal in response to each pulse of the first and second plurality of pulses; a set of radar antennas in signal communication with the waveform signal generator, the set of antennas for transmitting a burst of microwave energy in response to each waveform signal generated by the waveform signal generator and to receive a plurality of reflected bursts associated with each said burst of microwave energy transmitted from the set of antennas; an acquisition unit in signal communication with the set of antennas for developing and amplifying a finite window integral of at least one reflected burst; and a pre-processor in signal communication with the acquisition unit and the processor, the pre-processor for digitizing and storing information relating to each finite window integral for subsequent processing. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method to determine a target location using a RADAR apparatus comprising:
- a processor;
a pulse unit in signal communication with the processor, the pulse unit having a first delay stage for providing a plurality of first pulses and a second delay stage for providing a plurality of second pulses, each first pulse having a variable delay controlled by the processor for allowing one of the plurality of second pulses to follow each of the first pulses;
a waveform signal generator in signal communication with the pulse unit, the waveform signal generator for generating a waveform signal in response to each pulse of the pluralities of first and second plurality of pulses;
a set of radar antennas in signal communication with the waveform signal generator, the set of antennas for transmitting a burst of microwave energy in response to each waveform signal generated by the waveform signal generator and for receiving a plurality of reflected bursts associated with the transmitted bursts;
an acquisition unit in signal communication with the set of antennas for detecting and amplifying a finite window integral of at least one reflected burst; and
a pre-processor in signal communication with the acquisition unit and the processor, the pre-processor for digitizing and storing information relating to each finite window integral for subsequent processing, the method comprising;defining a delay of the variable delay for each of a set of ranges within a region containing the target; transmitting a set of first bursts in response to the first pulses for each range; generating a set of second bursts in response to the second pulses for each range, each second burst subsequent to each first burst and for transmission; receiving a reflected first burst associated with each of the transmitted first bursts associated with each range; combining each received reflected first burst with each associated second burst associated with each range to create the finite window integral; calculating and comparing to each other the finite window integrals at each range; and determining the target location by range based on the greatest finite window integral from the set of ranges. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36)
- a processor;
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11. (canceled)
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37. A method to determine a target location using a RADAR apparatus comprising:
- a processor;
a pulse unit in signal communication with the processor, the pulse unit having a first delay stage for providing a plurality of first pulses and a second delay stage for providing a plurality of second pulses, each first pulse having a variable delay controlled by the processor for allowing one of the plurality of second pulses to follow each first pulse;
a waveform signal generator in signal communication with the pulse unit, the waveform signal generator for generating a waveform signal in response to each pulse of the pluralities of first and second pulses;
a set of radar antennas in signal communication with the waveform signal generator, the set of antennas for transmitting a burst of microwave energy in response to each waveform signal generated by the waveform signal generator and for receiving a plurality of reflected bursts associated with the transmitted bursts;
an acquisition unit in signal communication with the set of antennas detecting and amplifying a finite window integral of at least one reflected burst; and
a pre-processor in signal communication with the acquisition unit and the processor, the pre-processor for digitizing and storing information relating to each finite window integral for subsequent processing, the method comprising;determining a phase angle corresponding to each of a set of horizontal angular positions associated with a region containing the target; transmitting a set of first bursts in response to the first pulses for each horizontal angular position of the set of horizontal angular positions; generating a set of second bursts in response to the second pulses for each horizontal angular position, each second burst subsequent to each first burst, and for transmission; receiving a reflected first burst associated with each of the transmitted first bursts associated with the set of horizontal angular positions; combining each received reflected first burst with each associated second burst for each horizontal angular position of the set of horizontal angular positions to create the finite window integral; calculating and comparing to each other the finite window integrals at each horizontal angular position; and determining a target location by horizontal angular position based on the finite window integral; wherein at least one of the transmitting or the receiving comprises a phase shift of the determined phase angle between a first and second antenna of the set of antennas. - View Dependent Claims (38, 39, 40, 41, 42, 43)
- a processor;
Specification