A system, method, and computer program product for alerting a flight crew of weather radar return data collected, yet not presently being displayed. The system includes a memory, a processor, and an output device. The memory stores radar return information in a three-dimensional buffer. The processo
A system, method, and computer program product for alerting a flight crew of weather radar return data collected, yet not presently being displayed. The system includes a memory, a processor, and an output device. The memory stores radar return information in a three-dimensional buffer. The processor determines if any radar return information stored in a three-dimensional buffer is within a threshold distance from an aircraft's present position and generates an image based on target data stored in the three-dimensional buffer and selected display parameters. The processor also generates a target alert if any target data is determined to be within a threshold distance from the aircraft's present position and is not included in the generated image. The output device presents the generated target alert.
대표청구항▼
A system, method, and computer program product for alerting a flight crew of weather radar return data collected, yet not presently being displayed. The system includes a memory, a processor, and an output device. The memory stores radar return information in a three-dimensional buffer. The processo
A system, method, and computer program product for alerting a flight crew of weather radar return data collected, yet not presently being displayed. The system includes a memory, a processor, and an output device. The memory stores radar return information in a three-dimensional buffer. The processor determines if any radar return information stored in a three-dimensional buffer is within a threshold distance from an aircraft's present position and generates an image based on target data stored in the three-dimensional buffer and selected display parameters. The processor also generates a target alert if any target data is determined to be within a threshold distance from the aircraft's present position and is not included in the generated image. The output device presents the generated target alert. ts signals used to obtain information about the target or scene. 6. The method of claim 1 further comprising transmitting a signal used for imaging the target or scene from one of the first, second, or third transmitters. 7. The method of claim 1 wherein the first and second transmitters are oriented along a line perpendicular to the receiver array. 8. The method of claim 1 wherein the first and third transmitters are oriented along a line parallel to the receiver array. 9. The method of claim 1 wherein the first and third transmitters are spaced a distance corresponding to distance between any two receivers of the multiple receiver array. 10. The method of claim 1 wherein the signals are pulsed and wherein the first and second transmitters are spaced a distance corresponding to an integer number times twice the distance the multiple receiver array moves between successive pulses. 11. The method of claim 1 further comprising: measuring phase errors associated with the first, second, and third transmitters; and subtracting the phase errors associated with the first, second, and third transmitters from corresponding terms in the first and second sheared products prior to the step of determining. 12. The method of claim 1 further comprising: measuring phase errors associated with the first, second, and third transmitters; subtracting the phase errors associated with the first, second, and third transmitters from corresponding terms in the first and second sheared products to determine a finite difference expression corresponding to each of the receivers in the multiple receiver array; and determining the phase error associated with each receiver in the multiple receiver array using a complex-phasor reconstruction algorithm based on the finite difference expressions. 13. The method of claim 1 wherein the step of determining comprises: setting phase errors associated with the first, second, and third non-collinear transmitters equal to one another to determine an estimate of a combined phase error associated with each transmitter and the receivers. 14. The method of claim 1 wherein the step of determining comprises: subtracting the phase errors associated with the first, second, and third transmitters from corresponding terms in the first and second sheared products to determine a finite difference expression corresponding to each of the receivers in the multiple receiver array; and determining the phase error associated with a receiver in the multiple receiver array by solving the finite difference expressions over all the receivers in the multiple receiver array. 15. A system for remotely sensing a target or scene, the system comprising: first, second, and third non-collinear transmitters each transmitting a signal having at least one identifiable characteristic for associating the signal with its corresponding transmitter; an array of receivers for measuring phase and amplitude of received signals reflected from the target or scene corresponding to the first, second, and third signals; a processor in communication with the array of receivers, the processor computing a first sheared product of the received signals corresponding to the first and second transmitted signals representing information about phase error variations of the array of receivers as a function of time, computing a second sheared product of the received signals corresponding to the first and third transmitted signals representing information about phase error variations of the array of receivers as a function of the positions of the receivers, and determining the phase error associated with each receiver in the receiver array based on the first and second sheared products. 16. The system of claim 15 wherein the signals are pulsed and wherein the first and second transmitters are spaced a distance corresponding to an integer number times twice the distance the array moves between successive pulses. 17. A system for remotely sensing
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