signal element短语⁵¹⁷³¹ 基本例句 信号元 According to a binary sequence generated from a chaotic system, the weights and biases of the network are set for the encryption and or decryption of each signal element. 根据混沌系统产生的二进制序列，设定神经网络的权值和阈值，对每一个像素进行加密和解密运算。 cnki