A fan abnormal sound fault diagnosis method based on subjective auditory feature and objective frequency spectrum analysis is presented.
分析表明:风机所产生的异音故障在频谱中表现为幅值和能量都比较集中的线谱频率,其听觉特征明显,并与频谱特征有严格的对应关系;实验证明,频谱特征和听觉特征可以作为有效的油烟机异音故障判别特征之一。
The auditory feature extraction methods are studied,including Mel-frequency cepstrum coefficient(MFCC)feature, acoustic dynamic feature and so on.
研究了舰船辐射噪声听觉特征的提取方法,包括美尔频率倒谱系数特征、语音动态参数特征等,组合成描述舰船的特征集,运用贯序特征选择方法对特征进行优化。
The relations among the natural attributes,visual characteristics,and processing technology of materials,new materials,or materials with new application forms were discussed.
就材料的自然属性、视觉特征、加工工艺和新材料或材料的新用途与形态的关系进行了论述,在产品设计中进行材料选择时,必须对材料的各种特性有充分的了解和把握,综合考虑、灵活运用,这样才能选择出合适的材料,从而最大限度的发挥材料的性能,设计出更加完美的形态。
By collecting samples of the network images, and inspecting their different visual characteristics, a content-based image classification system is raised.
对图像资源的有效使用和管理迫切需要建立图像分类的标准或规范,本文通过采集网络图像样本,考察它们的视觉特征差异情况,提出了基于内容的图像分类体系,并且就每类图像的特点予以介绍,指出了图像中用于分类的鲜明的视觉特征。
In this thesis, firstly, video frame segmentation algorithm of multi-modal information based on artificial text and visual characteristics is proposed.
本文首先给出一种基于人工文本与视觉特征的多模态信息视频帧分割算法。
Analyzing 3D model visual features based on neural networks;
基于神经网络的三维模型视觉特征分析
Face Recognition Based on Visual Feature Extraction and Kernel Discriminant Analysis;
基于视觉特征提取和核判决分析方法的人脸识别
Research on Visual Feature Based Image Retrieval Technology;
基于视觉特征的图像检索技术研究
Analysis and simulation of auditory features extraction of ship-radiated noise
基于舰船辐射噪声的听觉特征分析与仿真
Characterized by or relating to an aura.
听觉的以听觉为特征的或与听觉有关的
A Preliminary Study on the Characteristics of Auditory Verb Learning among Successful Aging Elderly;
成功老龄者听觉词汇学习特征初步研究
The correlation between personality traits and long latency auditory evoked potential;
人格特征与长潜伏期听觉诱发电位的相关研究
Study on the ZCPA-auditory-model-based Method of Feature Extraction for Mechanical Faults Diagnosis
基于听觉模型ZCPA的故障诊断特征提取方法研究
Improved MFCC Feature Extraction Algorithm Based on Hearing Masking Effect
基于听觉掩蔽效应的改进MFCC特征提取算法
Application of Auditory Model-based Feature in English Lexical Stress Detection
基于听觉模型的特征在英语重音检测中的应用
Fault diagnosis for fan based on auditory spectrum feature of sound signal
基于声信号人耳听觉谱特征的风机故障诊断
The features of visual and auditory P300 and correlations of intelligence quotient in severe traumatic brain injury
重型颅脑损伤视觉听觉P300特征及与智商的相关性
Correlation between the Echolocation Call Frequency and Morphological Features in Echolocation Bats;
蝙蝠回声定位声信号主频与体征及听觉器官形态学特征的关系
Characteristics Analysis and Efficiency Modeling for Hrtfs in the Realization of Virtual Auditory Space;
虚拟听觉空间实现中与头相关传递函数的特征分析和高效建模
Change of brainstem auditory evoked potential(BAEP)in newborns with different serum bilirubin level
不同程度高胆红素血症新生儿的脑干听觉诱发电位变化特征
Auditory evoked potential and personality traits in chronic primary insomniacs
慢性原发性失眠患者的人格特征和听觉诱发电位研究
Correlativity analysis of long latency auditory evoked potential and sensation seeking personality trait in college students
大学生长潜伏期听觉诱发电位与感觉寻求人格特征1的相关性分析
Of or characterized by hallucination.
幻觉的幻觉的或以幻觉为特征的
An Analysis on the Functions of Sight and Hearing;
试析视觉、听觉在审美中的不同特点
a sense of sight [ hearing, smell, taste, touch ]
视觉[听觉, 嗅觉, 味觉, 触觉]
A Speech Enhancement System Based on the Auditory Characteristics and the Speech Spectrum Characteristics;
基于听觉特性及语谱特性的语音增强