用正常状态下的特征样本作为模型的观测值对CHSMM进行训练，然后将待测的特征样本输入模型，得到待测样本相对于所建立正常模型的输出概率。(The characteristic samples of normal state are used as the observation value of the model to train the CHSMM, and then the sample input model of the sample to be tested is obtained,