而声频分析可以在不适合其他诊断方法的情况下作为辅助手段，而且操作简便，设备便宜。
And audio analysis is suitable methods for the condition which is difficult for other diagnostic, and it is simple and cheap.
这套系统可以对视频和声频记录进行分析以识别人类的姿体语言(比如以特定的方式我摇头)和语音语调(比如音调的高低变化)。
It can analyse video and audio recordings in order to recognise gestures of both posture (moving the head in particular ways, for example) and voice (such as changes in pitch).
他分析了鸣叫声的特征，包括每支“曲子”的发音次数——或者说音节、音节的长度以及鸣声频率。
He analysed the songs' traits, including the number of single sounds - or syllables - per song, the length of the syllables and the song's frequency.
利用超声频谱分析法成功地实现了缺陷的分类，试验结果表明，超声频谱分析技术可提高检测结果的可靠性。
Flaw classification is realized successfully through the ultrasonic spectrum analysis. The research proves that ultrasonic spectrum technology will promote the reliability of testing results.
本文通过视频信号与声频信号实验分析了燃气射流火焰的声发射特征。
Through the experimental analysis on the synchronous signal of audio and video of the premixed gas jet flame, the characteristic of the flame is studied.
利用超声频谱分析法对换能器进行频率特性分析，找出适合检测的最佳状态。
Spectrum feature analysis of the transducer apparatus is also conducted with this approach and thus achieves the best testing status.
通过理论计算和分析确定了噪声频谱图中各噪声峰值对应的噪声源及其传递路径，指明了压缩机降噪的主要目标。
Through theory computation and analysis, the source of noise and transfer paths corresponding to every noise peak value are confirmed, the main aim to decreasing noise is pointed out.
所以通过对冲击噪声频谱的研究，分析产生冲击噪声的瞬时时间与频谱之间的关系是十分必要的。
It is significant to study the spectrum of impact noise and the relation between spectrum of impact noise and transient time length.
本文探讨了用齿轮噪声频谱分析来诊断齿轮磨损程度的方法。
This paper introduces the methods of diagnosing the tooth-wear through the spectrum analysis of gear noise.
本研究设计了一种超声频脉冲等离子切割电弧发生系统，并通过实际切割试验，测试、分析了这种高频脉冲电弧的振动特性。
This study designed a system to generate ultrasonic-frequency pulsed plasma cutting arc, and experimentally investigated the vibration characteristics of the high frequency pulsed arc.
对受激电弧的声发射信号分析表明，从音频到超声频带，电弧声发射与激励频率之间存在着线性响应和非线性响应特征。
The characteristic of linear and nonlinear responses between arc excited ultrasonic emission and excited frequency was realized by the received signal from the acoustic to the ultrasonic spectrum.
运用噪声频谱分析方法对铁合金企业噪声进行了分析。
This paper USES the method of noise spectrum analysis to analyze the enterprise noise of ferroalloys.
本文通过对比试验分析了两种管长在不同转速下噪声频谱图，其共振转速与计算结果比较吻合。
The analysis of noise spectra of two exhaust pipes at different engine speeds is made. the resonance speed is obtained and agrees with the calculating value.
结合岩心砂泥岩频散特性实验结果分析了岩心在饱水及干燥状态下声频散的特点。
Based on the results of dispersion experiments on cores of sand and shale, the paper analyzed the variability of acoustic dispersion for dry and water-saturated cores.
试验和分析木工平刨床空转和切削时的噪声源、噪声频率特性和各种降噪方法。
Testing and analyzing the noise source of idle run and cutting, noise frequency characters and all kinds of methods for noise reduction for the surface planer were carried out.
分析了全封闭活塞式冰箱压缩机噪声来源、传播途径以及所研究的冰箱压缩机的噪声频率特性。
The noise resources, noise propagating ways and its spectrum characteristic of a hermetic reciprocating refrigerator compressor were analyzed.
第四章介绍了在自行构建的超声频谱分析系统上，进行超声频域特征应用方法与技术的研究。
Chapter 4 introduces the research of application and techniques of ultrasonic spectrum features on the analytic system which has been constructed.
第三章针对超声波检测信号特点，给出超声频谱分析的基本原理与方法。
Chapter 3 provides primary principles and approaches of ultrasonic spectrum analysis in accordance with features of ultrasonic testing signals.
通过对现有交通流量检测方法和汽车噪声信号特性的分析，提出一种基于麦克风阵列的交通量声频检测方法。
In this paper, a new method of traffic volume detection with microphone array is presented. And the condition of current traffic volume detection methods and vehicle noise signal is also analyzed.
通过对现有交通流量检测方法和汽车噪声信号特性的分析，提出一种基于麦克风阵列的交通量声频检测方法。
In this paper, a new method of traffic volume detection with microphone array is presented. And the condition of current traffic volume detection methods and vehicle noise signal is also analyzed.
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