Surface Scattering Antenna Array Beam Pattern Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current imaging technologies using surface scattering antenna arrays face challenges in efficiently reconstructing images due to variability in beam patterns and energy detection, which affects the accuracy and reliability of the imaging process.
Innovation Solution
The implementation of a circuitry system that sets and adjusts conditions for surface scattering antenna arrays, including frequency, configuration of scattering and reflector antennas, to produce a series of beam patterns, and uses compressive imaging algorithms to process signals and reconstruct images based on these conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional imaging methods are used with surface scattering antenna arrays, then the system structure is simpler, but the image reconstruction accuracy is insufficient due to beam pattern variability and energy detection issues
Solution Approach 1:
The patent implements a feedback mechanism where the circuitry receives energy detection signals from the surface scattering antenna array, processes them through compressive imaging algorithms, and adjusts the antenna configuration based on the reconstructed image quality. This closed-loop feedback system continuously optimizes beam patterns and energy detection to improve image reconstruction accuracy while managing system complexity through intelligent control.
Solution Approach 2:
The patent employs dynamic adjustment of antenna elements and beam patterns to adapt to varying imaging conditions. The circuitry dynamically reconfigures the surface scattering antenna array based on real-time energy detection signals, optimizing the beam patterns for different imaging scenarios. This dynamic adaptability enables high-precision image reconstruction despite the increased system complexity.
2Reliability
If beam patterns are not stabilized, then the antenna configuration is simpler, but the energy detection reliability and imaging accuracy deteriorate
Solution Approach 1:
The circuitry implements feedback control by monitoring energy detection signals and adjusting antenna configurations to stabilize beam patterns. The system compares detected energy levels against expected values and dynamically adjusts phase and amplitude parameters to maintain consistent beam patterns, thereby improving energy detection reliability while managing control complexity through adaptive algorithms.
Solution Approach 2:
The patent stabilizes beam patterns by dynamically changing key parameters such as phase shift, amplitude distribution, and element activation patterns across the antenna array. These parameter adjustments are controlled by the circuitry based on compressive imaging algorithms, enabling reliable energy detection without requiring overly complex hardware modifications.
3Measurement precision
If compressive imaging algorithms are implemented, then image reconstruction accuracy improves, but the processing time and computational complexity increase
Solution Approach 1:
The patent applies compressive imaging algorithms that process only a subset of the full signal data set, acquiring and reconstructing images from fewer measurements than traditional methods require. This partial action approach maintains high reconstruction accuracy while significantly reducing processing time by avoiding unnecessary computation on redundant data, thus mitigating the time loss associated with complex algorithms.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach enables precise image reconstruction by stabilizing beam patterns and improving energy detection, enhancing the accuracy and reliability of the imaging process.
Implementation Method 1
surface scattering antenna array
Data Source
AI summary
An array of scattering and/or reflector antennas are configured to produce a series of beam patterns, where in some embodiments the scattering antenna and/or the reflector antenna includes complementary metamaterial elements. In some embodiments circuitry may be configured to set a series of conditions corresponding to the array to produce the series of beam patterns, and to produce an image of an object that is illuminated by the series of beam patterns.