基于FPGA的小角度近似算法的改进与应用

摘要

According to the principle of FM signal demodulation in base band,mini-angle approximate demodulation algorithm is improved to get better adaptability in AWGN channel.And the validity and correctness of the method is proved by means of theoretical analysis,formula derivation and simulation of MATLAB.On this basis,FPGA programming is completed and validated in practical engineering.Experimental results demonstrate the viability of that method.%根据基带FM信号解调原理,改进了FM信号的小角度近似解调算法,使之在高斯加性白噪声（AWGN）信道中具有更好的适应性;并通过理论分析、公式推导和MATLAB仿真证明了方法的正确性和有效性。在此基础上完成了FPGA程序设计,并在实际工程中进行了验证。实验结果证明了该方法的可行性。