And then, the space pattern recognition method is used to compare the test waveform patterns with the models in the typical waveform space so that the matched degrees are given to the tested waveforms and typical waveforms in terms of disparity degrees whereby determing the types of te.

The article defines an even,location-free leave gap measure to produce the order estimator about the statistical parameter β,and further proves that the order is a firm and sutiable leave gap measure.

Considering the fact that the assessment information decision-maker is difficult to quantify the index of deviation degree variance of linguistic preference is proposed based on the research of linguistic judgment matrix.