Method and system for radio detection and ranging intrusion detection system

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 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.

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.