FMC W雷达综合创新性实验教学系统设计与实现

摘要

In order to improve teaching quality completely,a low cost FMCW radar proximity ranging experimental teaching system has been proposed.The system comprises of a DC power supply module,signal modulation module,intermediate frequency amplifier and filter module,RF module and signal processing module,including many courses knowledge such as Low Frequency Circuit, Radio Frequency Circuit, Microwave Antenna,Signals and Systems and Digital Signal Processing.The system works in the ISM band of 2.45GHz and uses a modular design.Each module can be tested and debugged separately.The basic principle and experimental teaching methods of the system are given.The students can make ample use of many courses knowledge for module design and engineering verification.The developed comprehensive innovation experimental teaching system has the characteristics of portability and practicability.It is easy to cultivate the innovative spirit and the comprehensive ability of students,and meet the needs of teaching and research.%为全面提高实践教学的质量,设计出一套低成本的 FMCW雷达近程测距实验教学系统。该系统包括直流供电模块、信号调制模块、中频放大及滤波模块、射频模块和雷达信号处理模块,涵盖低频电路、射频电路、微波天线、信号与系统、数字信号处理等多门课程知识。该系统工作在 ISM开放频段2.45 GHz,采用模块化设计思路,每个模块都可单独进行测试和调试。给出了系统的基本原理和实验教学方法,学生可以综合运用多门课程的知识来进行系统模块设计,并代入系统进行工程验证。该综合创新性实验教学系统便携性强、简单实用,易于培养学生的创新精神和综合能力,满足了教学与科研的需要。