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objective estimation
    Study on Objective Estimation of Speech Quality Using Neural Networks
    神经网络在语音质量客观评价中应用的研究
    Based on this way, this thesis aimed at the objective estimation of speech quality, multilayer perceptron and radial basis function network, instead of Euclidean distance corresponding to the parameters of MFCC and BSD, are trained by character parameters and the subjective assessment results named expected values.
    基于这一思路,本文针对语音质量客观评价的应用,以多层感知器和径向基函数网络模型替代MFCC、BSD参数对应的欧氏距离,并以主观评价结果作为期望值对网络进行训练,得到了既真实充分地反映了人耳听觉特性,又计算简便的谱失真测度。
    Enterprise commercial credit's meaning includes two aspects: one is an objective estimation about the enterprise's capital and the other is about the enterprise's management.
    企业商事信用的内涵包括与企业资产相关的客观评价和与企业经营活动相关的客观评价两个方面,通过这两个方面的有机结合,形成了企业的商事信用。
    Objective Estimation of Perceived Speech Quality Based on Measuring Normalizing Block
    基于标准化段测量技术的语音客观评价方法
    In traditional objective estimation of speech quality based on auditory model, it is necessary to introduce some mathematics models which is adapted to ear characteristics so as to describe the perception of auditory system, but it is a trouble in practice.
    在传统的基于听觉模型的语音质量客观评价方法中,通常需要引进过于复杂的符合人耳特性的数学模型,用来描述听觉系统的感知行为,给实际使用带来了很大的不便。
    We discuss the method of decreasing direction-finding error in the direction-finding accuracy experiment, which has some reference value for reasonable determination of test parameters and objective estimation of equipment in the direction-finding experiment.
    探讨了测向精度试验中减小测向误差的方法。 该方法对于测向试验中合理确定试验参数,客观评价装备,有一定的参考意义。
 

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