The results indicate that this method is able to extract effectively the rolling bearing fault feature frequency and improve the veracity of rolling bearing fault diagnosis.
结果表明：该方法可以有效提取滚动轴承故障特征频率，提高了轴承故障诊断的准确性。
WAS ce will have a more measured release cycle that balances the need to get the latest feature or function with a release frequency that is more predictable and spaced.
WAS CE将有一个较规律的发行周期，通过比较可预测的发行频率来平衡获得最新特性或功能的需求。
Channel (also called a distribution channel or sales channel) : Product availability, feature availability, security, customer support, frequency and kinds of marketing communications, etc.
渠道(也叫分销渠道或销售渠道)：产品的有效性，特征的有效性，安全，客户支持，频繁的各类市场交流，等等。
The tweeters feature B&W's Nautilus tube-loaded design claimed to dampen resonance and improve high-frequency sounds.
高音采用了B&W的鹦鹉螺管装的设计，很好地遏止共振并增强高频表现。
Comtech's Model MT-2012 mobile satellite transceivers feature secure global positioning system (GPS) capabilities, as well as embedded radio frequency identification (RFID) technology.
Comtech公司的典型mt- 2012机动卫星无线收发器具备安全的全球定位系统(GPS)能力，也能嵌入无线射频识别(RFID)技术。
The paper introduces the technique feature and the operation principle of chip CS5460A, and its application in high-accuracy power frequency voltage, current, power, power factor, frequency meter.
本文介绍了CS5460 A芯片的特点、工作原理及其在高精度工频电压、电流、功率、功率因数、频率表中的应用。
Then a classified frequency sensitive self-organizing feature map(CFSSOM) was proposed for the codebook training.
并对SOM算法进行了改进，提出了一种分类频率敏感自组织特征映射（CFSSOM）算法。
From a physical layer aspect, those techniques feature high frequency and power efficiency, and are able to adapt to changing environments and services, will win in the long run.
在物理层技术层面上，具有高频谱效率和功率效率，并能适应环境和业务变化的技术成为研究的热点。
During the experiment, MFCC (Mel Frequency Ceptral Coefficient) is adopted to speaker speech feature parameters.
实验中，采用美尔倒谱系数(MFCC)作为话者语音特征参数。
The fault is diagnosed by extracting the fault feature component from the frequency spectrum of the modulated signal.
通过对调制信号作谱分析，以其频谱中是否存在某种故障的特征频率分量来诊断有无该种故障。
In study of constant force grinding, a calculation method, which could calculate frequency range of frequency feature parameter automatically, is presented based on generic algorithm in this paper.
本文结合恒力磨削的研究，基于遗传算法提出了一种可自动地确定测试信号频域特征参数频率计算范围的方法。
Based on frequency domain distribution and scale feature of textural information, we can do texture classification effectively.
该算法利用纹理信息的频域分布以及尺度特性，并在此基础上进行纹理分类。
Due to high temporal and frequency resolution and high energy focus, the accuracy of fault signal feature extraction is greatly improved by WVD.
WVD很高的能量聚集性和很好的时频分辨率，极大地提高了故障信号特征提取的准确度。
AIM: To compare the reflection feature and difference of critical twinkle visual frequency for different color of light in normal persons and patients with different type of schizophrenics.
目的：比较正常人与不同类型精神分裂症患者对不同色光临界闪烁视频率的反应特征与差异。
The expression and frequency variety law of the rotor broken bar fault feature component in the startup electromagnetic torque signal are analyzed in detail.
分析了转子断条故障特征在电机启动电磁转矩信号中的表现形式及频率变化规律。
A new approach is presented for feature extraction from sound signals generated by the structure sound radiation in frequency domain using modal frequency.
提出了一种基于模态频率的声信号频域特征信息提取方法，并将该方法用于堆垛机结构的冲击载荷分类识别研究。
On feature selection, document frequency was combined with mutual information, and performance was improved.
特征选择的方法上，结合了文档频数和互信息量，并对他们进行了改进。
The method of digit fast sine sweep frequency is used in nonlinear suspention system frequency feature numerical solution.
本文针对非线性悬架，研究通过数字快速正弦扫频获得其频域特性的数值解的方法。
Actually the kernel design in the recognition method based on discrete time - frequency representation is a problem of feature selection from the ambiguity functions to reduce feature dimension.
基于离散时频分布的信号识别方法，将时频核设计问题转化为以信号自模糊函数为原始特征的特征选择问题，以实现特征降维和信号识别。
The net structure, operating frequency partition and net feature of the bidirectional hybrid fibre coax are introduced and analyzed.
本文对其网络结构、工作频带划分、网络特点进行了介绍和分析。
The main motive of this thesis is to investigate target classification of HF over-the-horizon (OTH) radar based on multiple frequency feature and poles.
本文主要研究基于多频和极点特征的高频超视距雷达目标识别方法。
This paper USES joint time-frequency analysis (JTFA) for processing transient electromagnetic (TEM) field signals that have diffuse feature in geophysical exploration.
本文将联合时-频分析(JTFA)用于处理地球物理勘探中具有扩散性质的瞬变电磁场信号。
To overcome the shortage of information gain in text categorization, this paper proposes a method of feature reduction based on the relative document frequency balance information gain (RDFBIG).
针对文本分类中信息增益降维方法的不足，提出了一种基于相对文档频的平衡信息增益(RDFBIG)降维方法。
The feature that structures have the selectivity to the earthquake motions frequency and structure response has the close corresponding relation with instantaneous energy spectrum is pointed out.
指出了结构对地震动的频率具有选择性，结构的响应与瞬时能量谱之间具有密切的对应关系。
This paper mainly introduces that the fault vibrating signal of gears was decomposed into time-frequency domains by double-orthogonal wavelet analysis and the fault feature of gears was picked up.
利用双正交小波基将齿轮的故障振动信号分解到时频域，并提取出齿轮的故障特征。
In order to solve these problems, we proposed a single feature vector recognition model based on whole time-frequency information structure of digit speech.
为了解决这些问题，我们提出了基于数字语音时频信息整体结构的单特征向量识别模型。
In the view of feature signal extraction, the local wave time-frequency analysis and information entropy were used to deal with fault diagnosis.
从特征信号提取的角度出发，采用局域波时频分析和信息熵结合的方法进行往复式压缩机故障诊断。
Embedded the watermark information into intermediate frequency in the DCT-based watermark algorithm by seek the feature field.
在基于DCT的数字水印算法中通过寻找特征区域将水印嵌入在能量最大的离散余弦系数中；
Embedded the watermark information into intermediate frequency in the DCT-based watermark algorithm by seek the feature field.
在基于DCT的数字水印算法中通过寻找特征区域将水印嵌入在能量最大的离散余弦系数中；
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