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特征参量     
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  characteristic parameters
     band soft X-ray data from GOES database,and choosing some characteristic parameters for our proton prediction model,a BP neural network was designed and used to predict the peak flux of the proton events,with the network input of soft X-ray data. The test result shows that in most cases the prediction error is less than one order.
     波段的软X射线数据,选取一些特征参量验证该相关性并应用到质子事件短期预报中.在当前质子事件传输物理机制不完全明确的情况下,在现有的预报质子事件有无的模型基础上,利用BP神经网络,根据软X射线通量水平等预测事件质子峰值通量水平,再对训练后的网络进行检验,检验预测所得结果与实际探测值误差小于一个量级,具备一定实用意义.
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     CHARACTERISTIC PARAMETERS λ, ξ AND Δ OF HIGH Tc OXIDE SUPERCONDUCTORS
     高临界温度氧化物超导体的超导特征参量:λζ和Δ
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     Characteristic Parameters of Echo and Structure Model from Rule of Hailstorm Development and Evolution
     雹暴云发展演变规律的回波特征参量和结构模型
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     Characteristic Parameters of High Grade Pipeline Steels and Its Relationship with Toughness
     高钢级管线钢的特征参量及其与强韧性的关系
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     A simple method capable of simultaneously measuring characteristic parameters of absorption media, such as trasversal relaxation time T2, small-signal absorption coefficient a0 and saturation intensity Is, is presented.
     提出了一个能同时测定横向弛豫时间T_2,小信号吸收系数α_0和饱和光强I_(?) 等吸收介质特征参量的简单方法.
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  characteristic parameter
     After deducing the expression of sinusoidal Quasi-Haar wavelet transform ridge of MFSK signal,the expression was selected as the characteristic parameter of MFSK signal identification,and thus the identification was carried out.
     通过MFSK信号的正弦类Haar小波脊线表达式的推导,选取其作为MFSK信号识别的特征参量,进而对MFSK信号进行了识别.
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     In this paper,a characteristic parameter of one dimension applied to the segmentation of skin erythema color images has been proposed based on analyzing the color distribution of some typical erythema images in hsv color space,and used in experiments of segmenting erythema images with fuzzy c means algorithm.
     论文通过在HSV色彩空间分析皮肤红斑彩色图像的颜色分布特征,提出了适用于皮肤红斑彩色图像分割的一维特征参量,并将该特征参量用于模糊c均值聚类算法,对红斑彩色图像进行了分割实验。
短句来源
     Aimed at the influence of the white Gaussian noise on MFSK signal characteristic parameter,it was proposed that the least square method can be used to approximate the sinusoidal Quasi-Haar wavelet ridge.
     针对高斯白噪声对MFSK信号的特征参量的影响,提出利用最小二乘法对正弦类Haar小波脊线进行拟合的方法.
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     Additionally,damping at wall,damping at contaminated free surface and inner damping are compared,and how they change with characteristic parameter is studied.
     此外还分析了壁面阻尼,受污染的自由液面阻尼以及液体的内部阻尼这几部分晃动阻尼的相对关系,以及它们随各个特征参量的变化情况。
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     The results showed that the regression coefficient between cell density derived from otsu algorithm and sense scores of bread crumb grain were 0.93. The value of cell density of the image is a characteristic parameter of distinguishing the breadcrumb structure difference.
     实验结果表明,面包纹理结构感官得分与类间方差阈值分割算法所得分割图像的孔密度值之间的相关系数为0 93.图像孔密度值是区分面包纹理结构差异的一个特征参量.
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  feature parameter
     And it analyzes the perspective system feature parameter, such as α<90°,90°<α<180°,α=90°,α=0°, advancing the coexistence no matter how random or special α is.
     并分别对α<90°、90°<α<180°、α=90°和α=0°时的透视体系特征参量进行解析解。
短句来源
     The result show that utilizing the feature parameter,compared with utilizing other feature parameters,can improve segmentation speed and segmentation effect.
     实验结果表明,与用其它特征参量的图像分割实验相比,使用该特征参量可以提高分割速度和分割正确率。
短句来源
     INVESTIGATION OF FUZZY CRITERION FOR FAULT FEATURE PARAMETER EVALUATION OF ELECTRIC POWER EQUIPMENT
     电气设备故障特征参量有效性的模糊判据研究
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     The experimental results indicate that the method can achieve automatic extraction of defect region and edge with weak noise disturbance ,which lays a good foundation for flaw feature parameter extraction and choice.
     实验结果表明,该法很好地实现了缺陷区域及其边缘的自动提取,且受噪声影响很小,为进一步的缺陷特征参量的提取与选择奠定了良好的基础。
短句来源
     Secondly, we review the segmentation methods of image integrated with texture information, and then we make a texture analysis on a human liver CT image through texture feature parameter based on co-occurrence matrix.
     接着分类研究了纹理图像的分割方法,并针对医学图像,特别是人体内脏的医学图像所包含的纹理信息的特点,利用共生矩阵及其各种纹理特征参量对一幅人体肝脏的CT图像进行了纹理分析。
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更多       
  feature parameters
     The result show that utilizing the feature parameter,compared with utilizing other feature parameters,can improve segmentation speed and segmentation effect.
     实验结果表明,与用其它特征参量的图像分割实验相比,使用该特征参量可以提高分割速度和分割正确率。
短句来源
     It bases on the LPC coder,the encoding information includes not only speech feature parameters,but also some wave information,due to the application of A_B_S and VQ.
     它在LPC声码器的基础上 ,采用了A -B -S和VQ等技术 ,编码信息中既包含若干语音特征参量又包括部分波形编码信息。
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     There are many feature parameters in the polishing powder, such as the distribution of the particles size, the size of crystalline grain and the appearances of polishing powder, which have an influence on the quality of the
     抛光粉的很多特征参量,如粒度及其分布、晶粒大小、形貌等都对抛光表面的质量产生影响。 而且这些参量会随抛光时间变化,本文根据这些参量变化规律及其对抛光质量的影响,把抛光过程分成抛
短句来源
     3. The signal of instant vibration testing for soil compactness is analyzed both in time domain and frequency domain. Some feature parameters reflecting the characteristics of the signal are extracted.
     3.从时间域和频率域两个角度对土密实度瞬态振动测试信号进行了分析,提取了信号的特征参量
短句来源
     Surface features spectro comparator was used to probe the effect of water content of the wheat leaves on spectral absorption feature parameters of NIR.
     应用地物光谱仪探讨了小麦叶片含水量对近红外 (NIR)波段光谱吸收特征参量的影响。
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  characteristic parameters
We estimate ∥f∥p from above by C∥f∥p,n and give an explicit value for C depending only on p, τ, and characteristic parameters of the sequence {tn}n∈?.
      
The vibration signals of diesel include excess noise that must be eliminated before extraction of characteristic parameters.
      
The diesel vibration waveforms of combustion and valve become clear and the extracted characteristic parameters become more precise.
      
Characteristic parameters such as pressure parameter and friction parameter are calculated by substituting tested data into their corresponding equations.
      
Second, through correlation analysis of the parameters and taking tensile-shear strength of the spot-welded joint as evaluation target, different characteristic parameters are reasonably selected.
      
更多          
  characteristic parameter
The static version of the capillary instability is shown to depend on the elasticity modulus Κ, the surface tension σ0, and the radius r0 of the LC jet, expressed in terms of the characteristic parameter κ = Κ/σ0r0.
      
If TS is thin as compared to the Alfvén wavelength, the resistive Alfvén wave (λA) characterized by the field-aligned resistivity and Alfvén velocity above the sheet is the characteristic parameter responsible for the wave-sheet coupling.
      
In this way, first, every characteristic parameter related to T wave-end is encoded to a string of codes, and adaptation function is constructed with the string of codes.
      
Different service has discriminative sensitivity to the same QoS characteristic parameter in general.
      
Quite high values (between 120 and 140 K) of the characteristic parameter T0 convince very good thermal properties of the above laser.
      
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  feature parameter
The terminal performs the feature parameter extraction, or the front-end of the speech recognition system.
      
Dimension constraints specify an intervalfor the value of a feature parameter.
      
Dimension constraints can be checked by testing whether the feature parameter involved has a value within the speci ed range.
      
Feature parameter pairs can be acquired from a reestablished model.
      
It is found that the SAE feature parameter accurately indicates the boundary of speech activity under -5dB factory noise.
      
更多          
  feature parameters
The features should express the significant information while being robust in the presence of noise and distortions, and stable in terms of feature parameters.
      
The choice of the effective feature parameters and the construction of the clustering method are key problems encountered with clustering algorithms.
      
In this paper, the multifractal dimensions are chosen as the segmentation feature parameters which are extracted from original image and wavelet-transformed image.
      
SOM (Self-Organizing Map) network is applied to cluster the segmentation feature parameters.
      
The first and second order differentials of the fundamental frequency logarithmically converted are used as feature parameters.
      
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