包含CV、CA、Single、当前、恒转弯速率、转弯模型，实现了对10个数字音的识别，FIR 底通和带通滤波器和IIR 底通和带通滤波器，包括 MUSIC算法，ESPRIT算法 ROOT-MUSIC算法，对信号进行频谱分析及滤波，结合PCA的尺度不变特征变换(SIFT)算法。- It contains CV, CA, Single, current, constant turn rate, turning model, To achieve the recognition of 10 digital sound, Bottom-pass and band-pass FIR and IIR filter bottom pass and band-pass filter, Including the MUSIC algorithm, ESPRIT algorithm ROOT-MUSIC algorithm, The signal spectral analysis and filtering, Combined with PCA scale invariant feature transform (SIFT) algorithm.