研究目的
Investigating the design and realization of nonlinear Chirp signals using DSP Builder technique for applications in communication, radar, sonar, and engineer quality nondestructive testing.
研究成果
The DSP Builder technique effectively realizes nonlinear Chirp signal generation with advantages in simplicity, cost, and flexibility. The design's success in simulation and practical testing underscores its potential for wide application in signal processing fields.
研究不足
The design is limited by the FPGA's processing capabilities and the precision of the DSP Builder technique. Future optimizations could include enhancing frequency resolution and expanding the range of controllable parameters.
1：Experimental Design and Method Selection:
The study utilizes DSP Builder for system-level design, integrating Matlab/Simulink for simulation and QuartusⅡ for FPGA implementation.
2：Sample Selection and Data Sources:
The design is based on mathematical models of Chirp signals, focusing on nonlinear frequency modulation.
3：List of Experimental Equipment and Materials:
Uses FPGA development boards, Matlab/Simulink, QuartusⅡ software, and DSP Builder modules.
4：Experimental Procedures and Operational Workflow:
Involves setting up the Chirp signal model in Matlab/Simulink, converting it into VHDL for FPGA, and verifying through simulation and oscilloscope testing.
5：Data Analysis Methods:
Simulation results are compared with actual oscilloscope readings to verify signal accuracy and functionality.
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