研究目的
To realize real-time ISAR imaging of maneuvering targets in a multifunction wideband phased array radar (MWPAR) system, addressing the challenges of high-speed data processing and motion compensation.
研究成果
The MWPAR design successfully integrates multifunction capabilities using shared hardware and advanced signal processing. The improved velocity compensation algorithm enhances ISAR imaging resolution for maneuvering targets, as confirmed by simulations. Future work could involve real-world testing and further optimization of the scheduling algorithms.
研究不足
The paper relies on simulation results, which may not fully capture real-world complexities. The system's scalability and performance under varying conditions are not extensively tested.
1：Experimental Design and Method Selection:
The study involves designing a MWPAR system with shared wideband phased array antennas, T/R modules, and a common signal processing system. An improved velocity compensation algorithm is used for ISAR imaging to reduce computational complexity.
2：Sample Selection and Data Sources:
Simulation data is used to validate the methods, with no specific real-world samples mentioned.
3：List of Experimental Equipment and Materials:
Includes wideband phased array antennas, T/R modules, signal generation and receiver systems, signal and data processors, power converters, cooling systems, display consoles, and a VPX bus-based signal processing platform.
4：Experimental Procedures and Operational Workflow:
The process involves preprocessing echo signals, phase compensation, keystone transform for range migration correction, and time-frequency analysis for imaging. Real-time processing is achieved using high-speed data acquisition and VPX bus systems.
5：Data Analysis Methods:
Simulation results are analyzed to confirm the effectiveness of the proposed imaging and compensation methods.
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