研究目的
To address the difficulty and inefficiency in completing experiments with application-specific FMCW radars due to the high cost and time-consuming work required to adapt their parameters.
研究成果
The designed automated FMCW radar experimental platform efficiently generates FMCW signals with adjustable parameters and receives signals automatically, demonstrating strong flexibility and functionality. It significantly improves the efficiency of FMCW radar research and study.
研究不足
The transmitter and receiver have a certain degree of leakage, and the beat signal of the target can be smaller than the leakage value at long distances. Background subtraction or high pass filter is required to remove leakage effects.
1：Experimental Design and Method Selection:
The platform integrates a computer with a programmable transmitter, a programmable receiver, and RF components to flexibly configure FMCW signal parameters and automate transmission, reception, and signal processing.
2：Sample Selection and Data Sources:
The experiment uses a rectangular metal plate as the target.
3：List of Experimental Equipment and Materials:
Includes a programmable signal generator (model DZ1062Z), a multi-function digital oscilloscope (model DS1054Z), and RF components.
4：Experimental Procedures and Operational Workflow:
The computer controls the transmitter to generate FMCW signals, which are then transmitted, received, and processed automatically.
5：Data Analysis Methods:
The beat signal is processed using DTFT to improve the precision of radar ranging.
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