螺旋桨轴频是被动声纳极其重要的目标识别特征之一。
The propeller shaft frequency is one of the important target recognition features for passive sonar.
空间弹道目标的光学强度序列分析与识别特征的提取。
The exo-atmospheric ballistic target's optical signature and recognition feature is studied.
通过对目标特征的分析比较，选取不变矩作为识别特征。
By the analysis and comparison of target characteristics, invariant moments are chosen as recognition characteristics.
该文将图像矩阵的不变矩作为识别特征，建立了人脸识别模型。
In this paper, a face recognition method is presented based on moment invariant, in which moment invariant of image matrix is used as feature and BP net as recognition method.
训练样本与测试样本分别朝融合特征空间投影，从而得到识别特征。
After training samples and test samples are respectively projected towards the fusion feature space, recognition features are accordingly gained.
本文从旋转失速的振动机理出发，归纳了旋转失速的故障识别特征。
Based on the study of mechanism of rotating stall, the distingushable character of rotating stall are summed up in this paper.
伪码调相-载波调频复合信号的识别特征包括伪码特征和频率调制特征。
The features of pseudo code PM-carrier FM combined signal include the pseudo code and the modulation frequency.
语言识别特征是指人类语言区别与其他任何动物的交际体系的限定性特征。
It refers to the defining properties of human language that distinguish it from any animal system of communication.
所有的瓶子的独特识别特征与颈部保留少了锥形可容纳直径较大软木及装修。
All the recognisable features of the unique bottle are retained with the neck made less tapered to accommodate a larger diameter cork and fitment.
然后，以特征系数作为识别特征量，采用最小距离分类法，实现了自动目标识别。
Then, the feature coefficients are classified by the minimum distance criterion to recognize the target automatically.
在最近的几年，生物学家已经能够扫描整个人类基因组寻找正在进行选择的基因的识别特征。
In the last few years, biologists have been able to scan the whole human genome for the signatures of genes undergoing selection.
采用了一种基于HSV模型，应用H参数特征值来识别特征物体并获得其质心点坐标的方法。
A HSV model based method which has been used for discerning feature objects and capturing the coordinate of their center using H-parameter Eigen value has been achieved.
全面总结了遥感信息的特点，遥感目标的特性，遥感信息的评价标准以及遥感图像的识别特征。
We summarized the identification features, appraisement standards, as well as the target characteristics of the remote sensing images.
标准测量偏差对同一部件的某一可识别特征多次测量的平均观察值与真值或参考值之间的差异。
The difference between the true or reference value and the observed average of multiple measurements of identical characteristic on the same part.
提出用散射点参数作为识别特征，用隐马尔可夫模型（HMM）作分类器的雷达目标识别方法。
We contribute to automatic target recognition (ATR) by a hidden Markov model (HMM) based classifier, with parameters of scattering centers.
通过对进口阔叶木材取样与切片观测，对22种进口阔叶材的木材构造与识别特征进行了具体描述。
It has specifically described 22 kinds of import broad-leaved timber structure and identification characteristic through sampling and cut-section observation of import broad-leaved timber.
本文利用火焰的颜色信息，火焰的图像序列的边缘不稳定和相似性等可识别特征，实现对火焰的识别。
This paper use effective character of the fire, for example, color information, instability and comparability of the edge of image sequence to realize the automatic alarming for fire.
品牌识别特征即品牌所具有的特点，这种特点就象“指纹”一样为该品牌所独有，而且很容易被消费者鉴别。
Brand identity is the characteristics of a brand like the "finger print" of a person which can be easily identified by customers.
在对LF M信号实现分选的基础上，选取待识信号的瞬时频率作为识别特征，利用最近邻方法对信号进行识别。
Supposing the LFM signals had been sorted and selecting the instantaneous frequency as identification character, the closest method is used to distinguish the signals.
标准测量重复性当同一位观察者使用同一测量仪器对同一部件的某一可识别特征进行多次测量，所得结果的变异。
The variation in measurements obtained with one measurement instrument when used several times by one appraiser while measuring the identical characteristic on the same part.
这份问卷要求受访者回答包括所讲语言、遵循习俗、宗教信仰和出生地等具有身份识别特征的问题以及成为本国居民的重要性。
It asked respondents various characteristics—language spoken, customs observed, religion and country of birth—and how important they were to being a national of their country.
以上研究表明，提出的局部放电识别特征集与分形图像压缩方法，能够有效地应用于局部放电模式自动识别，并获得了良好的识别效果。
The above research results show that the proposed PD recognition features set and FIC method, can be effectively used for PD pattern recognition and good recognition results are achieved.
对基于人工神经网络的文字识别(ocr)进行了深入的研究，给出了用于车辆牌照识别特征的提取方法，构建了一个三层BP网络用于识别。
OCR based on neural network is further studied in this paper. Method used for recognizing the license plate is give and a three-layer BP network is constructed.
这些动物没有复杂的大脑来识别人类面部特征之间的细微差别。
These animals don't have a sophisticated brain to recognize the slight differences between human facial features.
淋巴结病的出现可能有助于识别猴痘这种疾病，因为天花或者水痘都不具备这一特征。
The presence of lymphadenopathy can help identify the disease as monkeypox since it is not characteristic of either smallpox or chickenpox.
测序是一种技术，它是从具有明确特征的基因组提取的一个或多个短基因序列，并通过DNA分析来识别一个物种。
Barcoding is a technique in which one or more short gene sequences, taken from a well-characterized portion of the genome, are used to identify a species through DNA analysis.
生物学家休·丁格尔已经识别出五个特征，这些特征在不同程度和组合上适用于所有的迁徙。
The biologist Hugh Dingle has identified five characteristics that apply, in varying degrees and combinations, to all migrations.
传统上，用计算机进行人脸识别是基于局部区域的特征例如眼睛、鼻子的形状，或者嘴巴宽度等。
Traditionally, computer face recognition is based on such factors as the characteristics of the eye region, the shape of the nose, or the width of the mouth.
研究人员现在正试图对测试进行优化，选出对声音识别有决定性的特征，以帮助判断她是在哪些方面出现了问题。
The researchers are now attempting to refine their tests to pick out the individual features in a voice that lead to recognition, to see which she has most difficulty with.
研究人员现在正试图对测试进行优化，选出对声音识别有决定性的特征，以帮助判断她是在哪些方面出现了问题。
The researchers are now attempting to refine their tests to pick out the individual features in a voice that lead to recognition, to see which she has most difficulty with.
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