BP神经网络用于函数拟合与模式识别，信号处理中的旋转不变子空间法，虚拟力的无线传感网络覆盖，独立成分分析算法降低原始数据噪声，保证准确无误，是学习通信的好帮手，多抽样率信号处理。- BP neural network function fitting and pattern recognition, Signal Processing ESPRIT method, Virtual power wireless sensor network coverage, Independent component analysis algorithm reduces the raw data noise, Ensure accurate communication is learning a good helper, Multirate signal processing.