Lexical decision method was used to examine the effect of initial word frequency and last word frequency of Chinese idioms on the highly familiar idiom recognition time.
采用词汇判定法，考察首词频率和尾词频率对高熟悉度四字成语识别的影响。
Actually the kernel design in the recognition method based on discrete time - frequency representation is a problem of feature selection from the ambiguity functions to reduce feature dimension.
基于离散时频分布的信号识别方法，将时频核设计问题转化为以信号自模糊函数为原始特征的特征选择问题，以实现特征降维和信号识别。
In order to solve these problems, we proposed a single feature vector recognition model based on whole time-frequency information structure of digit speech.
为了解决这些问题，我们提出了基于数字语音时频信息整体结构的单特征向量识别模型。
After signal local wave decomposition, the information entropy according to time-frequency distribution was established, and it was used as characteristic parameter for fault recognition.
对信号进行局域波分解后，建立基于时频分布的信息熵，以此作为故障识别的参数。
This paper aims to consummate the wavelet theory, combining with its excellent time and frequency feature , present some new algorithms and use to image recognition.
旨在完善小波理论的同时，结合小波的时频域特性设计出新的应用算法，将其用于图像识别。
Laser radars are widely used in target detecting, tracking, aiming and imaging recognition because its extremely high resolution in frequency domain, space domain and time domain.
激光雷达因为极高的频域、空域和时域分辨率而在目标探测、跟踪、瞄准和成像识别等方面得到越来越广泛的应用。
The time-frequency joint distribution of a target reflects well its physical structural property so it can be used as an effective means of radar target recognition.
目标的时间-频率联合分布能够很好地反映目标物理结构特征，可以作为雷达目标识别的一个有效手段。
The results show that this method can characterize various heart sounds in time-frequency domain, and establishes the basis for the classification and recognition of heart sound.
结果表明，该分析方法能够很好地表征心音的时频变化特性，为后续实现心音的分类与识别提供了参考。
The results show that this method can characterize various heart sounds in time-frequency domain, and establishes the basis for the classification and recognition of heart sound.
结果表明，该分析方法能够很好地表征心音的时频变化特性，为后续实现心音的分类与识别提供了参考。
应用推荐