让我们来谈谈声谱的另一端，人类听不到的声音——超声波。
Let's talk about the other end of the acoustical spectrum, sound that is too high for humans to hear—ultrasound.
这个声谱约有十个八度的跨度。
“声谱图”一词是从光学借来的。
“声谱图”一词是从光学借来的。
声学。声谱和频谱曲线。概念表示法。
Acoustics; spectra and frequency curves, concepts, representation.
“声谱图”一词是从光学借来 的。
据此理论模型，导得螺旋桨空泡噪声谱的表达式。
On the basis of above theoretical model, the spectrum formula of propeller cavitation noise has been derived.
实验结果表明，光声谱术可对粉末样品作出快速的定量分析。
The experimental results shown that the quantitative analysis of the powder sample can be quickly made by photoacoustic spectroscopy.
然后他们对这些音频进行了电脑计算，数据分析，并拟出了声谱图。
Then they ran those sound bites through various computer algorithms, running statistical analyses and drawing up spectrograms.
进行了噪声分析仪的噪声谱分析、声强分析等功能的建模和设计。
Then the paper puts up the modeling and designing of functions of noise analyzer such as noise spectrum analysis, sound intensity and so on.
采用互谱估计方法测量了半导体激光器的微弱电噪声谱及光噪声谱。
In this paper, the experimental set-up used for measuring the light output noise of a laser diode has been established.
利用数学形态学方法提取声谱包络，并进行包络特征点的自动识别。
The mathematical morphology method was used to extract the envelope of the spectrogram, and then to recognize automatically the character points of the graph.
本文介绍了两种对超声多普勒血流声谱国进行波形自动分类决策的方法。
Two methods for automatic classification and decision of Doppler waveforms for flow sonography analysis system are described.
对实测的直升机辐射噪声数据进行了分析，获得了目标辐射噪声谱特性。
By the analysis of the noise data radiated by a helicopter, the noise characteristics of low altitude targets are presented.
初步临床应用结果表明，该方法具有比传统的声谱参数准确性高的优点。
The analysis results of several cases show that the method using these parameters are better than the conventional one such as spectrogram parameters on veracity.
通过声谱图对比发现，科希克发出的声音频率与饲养员金中干的非常相似。
Spectrograms show Kosik's voice frequency when he makes human sounds is similar to his keeper's.
该文阐述了螺旋桨空泡的形成机理，对其产生的噪声及其噪声谱作了分析；
This article elaborated the formation mechanism of propeller cavitation. , the noise and the cavitation noise spectrum whichproduced by the bubbles were Analyzed.
探讨脐带血流声谱图和血流动力学指标的监护技术及其在胎儿监护中的意义。
A new pattern of fetal monitoring system is developed to monitor color compiling sound spectrum of umbilical cord bloodstream.
本文给出了半导体激光器的低频电噪声谱密度和器件可靠性关系的实验结果。
The experimental results of semiconductor lasers about the relations between low-frequency noise spectral density and reliability of devices are reported in this paper.
这些方法包括：传统的声谱参数法及以前提出的零极点模型法及分形分析法。
The other methods include: The conventional method of spectrogram parameters, the zero-pole model and the fractal method, the latter two were proposed by the present authors before.
采用该技术使调制后的窄带噪声谱质量在最大程度上逼近直放式窄带白噪声。
Adopting this technique, the spectrum quality of modulated noise may be approached to the fullest extent of the directly amplified narrow white noise.
本文对人体全血和血液中的各个成分以及某些病人的血液进行了光声谱的测量。
Opticoacoustic Spectral measurements have been made of normag human whole blood and its separated components as well as of those from some patients.
根据腔长的随机变化、介质色散特性和模竞争效应解释了低频拍和连续噪声谱。
Based on the random variation of cavity length, characteristics of the medium index and mode competition effect, low-frequency beat and noise continuums are explained.
对18例无胆红素脑病表现的高胆红素血症新生儿的啼哭信号进行了声谱分析。
Sound spectral analysis was applied to cry signals of 18 neonates with non-kernicterus hyperbilirubinemia.
基于共振声谱法，研究了同轴孔隙性圆柱扰动体引起圆柱谐振腔共振频率的偏移。
In this paper, the problem of the acoustic resonant frequency shift of a cylindrical cavity with a coaxial porous sample is discussed on the basis of the resonance acoustic spectroscopy.
嗓音声学研究表明：无论何种歌唱类型，其嗓音音质的优劣均能够通过歌手的声谱示出。
A research on acoustics shows that, no matter how outstanding or clumsy the tone quality is, it is able to be shown by sound spectrum.
二人使用一种被称为氡变形的单处理技术创造出多种音频片段组成的声谱图，每种只有半秒长。
The pair used a signal-processing technique called the Radon transform to create spectrograms of a variety of audio clips, each just half a second long.
运用自研的脉搏声谱检测仪，对不同项目和不同水平的运动员在训练前的脉搏声进行了测试。
Pulse sound monitor developed by the authors was applied in testing pulse sounds of athletes of different events and levels before training.
运用自研的脉搏声谱检测仪，对不同项目和不同水平的运动员在训练前的脉搏声进行了测试。
Pulse sound monitor developed by the authors was applied in testing pulse sounds of athletes of different events and levels before training.
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