【摘要】 分析了传统的基于决策理论的数字信号自动识别法的缺点,介绍了基于神经网络的数字信号自动识别法。采用改进的BP神经网络进行数字信号自动识别。仿真结果表明,改进的BP算法对数字调制信号的正确识别率高,可靠性好。更多还原

【Abstract】 This paper analyzes the disadvantage of traditional automatic identification algorithm of the digital signal which based on decision theory.Then,a new automatic identification algorithm based on neural network is introduced.A modified BP algorithm is used in automatic identification algorithm of the digital signal.The simulation results indicates that the modified BP algorithm have better accurate rate and reliability.更多还原