采用“纹理识别”的方式进行笔迹鉴别，利用Gabor变换提取不同频率、不同方向的笔迹特征，最后使用KNN或SVM（支持向量机）对待测样本进行类别判别。-A " texture recognition" approach to handwriting identification using Gabor transform to extract different frequency, the handwriting characteristics of different dir

雷克子波的频谱和相位图，便于对地震信号处理方法的频域判别-Ricker wave spectrum and phase diagrams, to facilitate the frequency domain of the seismic signal processing method discriminant