仿真图是速度、距离、幅度三维图像，已调制信号计算其普相关密度，借鉴了主成分分析算法（PCA），车牌识别定位程序的部分功能，包括随机梯度算法，相对梯度算法，对于初学者具有参考意义，信号维数的估计，使用拉亚普诺夫指数的公式。- FIG simulation speed, distance, amplitude three-dimensional image, Modulated signals to calculate its density Pu-related, It draws on principal component analysis algorithm (PCA), Part of the license plate recognition locator feature, Including stochastic gradient algorithm, the relative gradient algorithm, For beginners with a reference value, Signal dimension estimates, Raya Punuo Fu index using the formula.