Fault features based on pattern spectrum were presented for analyzing tiny changes of energy and waveform of generator sets vibration and reflecting the trend of early faults.
为了分析发电机组振动信号在能量和波形方面的细小变化,从而反映发电机组的早期故障趋势,提出了基于数学形态谱的故障特征量。
This light is passed through a prism, which breaks it up into a spectrum, and a unique pattern, kind of like a chemical fingerprint of spectral lines for that element appears.
铁块会一直加热,直到到达某一燃点,便会辐射出光来;而当它的光线穿过一块棱柱时,棱柱就会分割光线,形成光谱。
These patterns form the core of a pattern language covering a wider spectrum of issues around SOA and SOI as you move into higher levels of maturity in the adoption of SOA (shown below in Figure 1).
这些模式构成了模式语言的核心,当您达到SOA采用的成熟度的较高级别时,将涉及各种围绕SOA和SOI产生的问题(如下面的图1所示)。
The radiation pattern in the near and far field of each frequency component of the spectrum of current pulse on a transmission line.
传输线线上脉波电流之频谱与分布及其各频率成份之辐射远近场型之差异。
Under the application of image segment and clustering analysis methods into 8fsk signal's spectrum analysis, a demodulation algorithm based on pattern recognition is proposed.
通过把图像分割和聚类分析方法应用于8fsk信号的频谱分析,提出了基于模式识别的解调算法。
A novel method of pattern recognition and fault diagnosis in electrical machine based on the wavelet-neural network is proposed according to the frequency spectrum characteristics of vibration signal.
针对电机振动信号的频谱特点,提出基于小波神经网络技术的电机故障模式识别与诊断的新方法。
With its attacking traffic pattern, obvious difference was found between the power spectrum density (PSD) of legitimate and attack traffic samples.
分析发现,合法流量和包含攻击包流量采样在功率谱密度上存在显著差异。
It is useful of Digital filter in voice processing, image processing, HDTV, Pattern Recognition and spectrum analysis.
数字滤波在语音和图像处理、HDTV、模式识别、谱分析等应用中经常用到。
Application of chemical metrology in the analytical chemistry were summarized in aspects of QSAR, chemical pattern recognition, ANN, spectrum chemistry and multi-proofread.
从化学定量构效关系、模式识别法、人工神经网络、波谱化学、多元校正分析法等方面对化学计量学在分析化学中的应用进行了综述。
The filter is put on the power spectrum before applying the inverse Fourier transform to yield the correlation output. This technique can be used in pattern recognition of grey level input image.
将这种滤波器放置在傅里叶反变换产生相关输出之前的联合功率谱面上,该技术可以应用在具有不同灰度图像的模式识别中。
A new pattern of fetal monitoring system is developed to monitor color compiling sound spectrum of umbilical cord bloodstream.
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。
With alteration of medical pattern and diseases spectrum, the focus and methods for preventive work are changing.
随着医学模式和疾病谱的转变,预防工作的重心和方式也随之发生了改变。
Full wave model phase analysis technique may involve wide subjects, but this paper only deals with the analysis methods of ray, amplitude, wave spectrum and particle vibration pattern.
全波模型震相分析法研究的内容是非常广泛的,本文仅对其中的射线分析、振幅分析、波谱分析、质点振动方式分析等方法进行了探讨。
Then recognize action pattern by the method of power spectrum K value, and the recognize effect is good.
然后采用功率谱K值法进行单自由度动作识别,得到了较好的识别效果。
For a linear array CCD in a push-bloom imaging system, on condition that the input signal is a sine pattern with single frequency, the output signal spectrum is analysed.
假定输入为单频正弦光栅,对刷扫工作状态下线列CCD输出信号的频谱进行了分析。
This paper analysed the pattern and composition of residual metal in diamond fracture surface by ways of Scanning Electron Microscope (SEM) and Energy Dispersion Spectrum (EDS).
采用扫描电镜(sem)和能谱(EDS)分析方法,分析了国内六种代表性的金刚石断面上残留触媒的形态及成分。
I analyse some conclusions of spectrum arbitrary and give two sign patterns. then I prove two classes sign pattern matrix that are spectrally arbitrary using Nilpotent-Jacobi method.
分析了谱任意的相关结论并给出了两类符号模式,然后运用幂零雅可比方法证明了两类符号模式矩阵的谱任意性。
So we can figure out the chemical make up of the other stars by comparing this spectrum pattern it has to the pattern of the element in the libraries.
所以我们可以我们可以通过以库中的光谱样式和它们有的光谱样式来进行对比从而估算出别的行星的化学成分。
AIM to study the spectrum features of formant pattern of vowel and the relationship between RVPI and F3 in postoperative patients.
目的研究腭裂术后不同语音清晰度患者元音共振峰模式的差异,以及元音第三共振峰同腭咽闭合不全率的关系。
We can figure out the chemical makeup of another star by comparing the spectrum pattern it has to the pattern of elements in the laboratory.
我们可以通过比较恒星的光谱和实验室元素的光谱来确定某颗恒星是由某种元素构成的。
We can figure out the chemical makeup of another star by comparing the spectrum pattern it has to the pattern of elements in the laboratory.
我们可以通过比较恒星的光谱和实验室元素的光谱来确定某颗恒星是由某种元素构成的。
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