研究目的
Investigating the influence of phase noise and transmit/receive isolation on the performance of FMCW radar systems, particularly in the detection of small target signals.
研究成果
The study demonstrates that phase noise and transmit/receive isolation significantly affect the noise floor and, consequently, the detection of small signals in FMCW radar systems. The simulation provides valuable design constraints for optimizing radar performance.
研究不足
The study is based on simulation results, which may not fully capture all real-world conditions and variations. The impact of environmental factors on radar performance is not considered.
1：Experimental Design and Method Selection:
A system-level simulation model for FMCW radar was developed to analyze the impact of phase noise and isolation. The model includes a defined noisy oscillator to simulate real-world conditions.
2：Sample Selection and Data Sources:
The simulation uses a 24 GHz FMCW radar system with specified parameters such as carrier frequency, sweep bandwidth, and sweep duration.
3：List of Experimental Equipment and Materials:
The simulation was performed using electronic system-level software SystemVue from Keysight technologies.
4：Experimental Procedures and Operational Workflow:
The simulation evaluates the influence of oscillator phase noise and the isolation between transmitter/receiver channels on the radar's performance.
5：Data Analysis Methods:
The analysis focuses on the noise floor deterioration due to phase noise and leakage signals, and their impact on small target detection.
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