Both the friction signal and sudden unbalance signal features nonstationarity.
碰磨信号和突加不平衡信号均具有较强的非平稳性。
Pipeline leak detection based on the signal features of piezoelectric sensor is proposed.
本文提出基于压电传感器信号特征的管道泄漏检测方法。
Based on the study of ECG signal features, a new lossless ECG compression algorithm is put forward here.
在研究ecg信号特征的基础上，提出了一种新的心电数据无损压缩算法。
Thus, the basic important step of modulation identification is how to specify and extract signal features.
所以，如何选定并提取信号的特征便成为调制识别的基本环节。
Results:1. Described the componants of HF and the related structures in anatomic and MRI sections, and the corresponding MRI signal features in details.
结果：1。详细描述标本切片海马结构形态、海马结构毗邻及MRI冠状及矢状断面上对应结构的形态及信号特征。
Objective To determine MRI signal features of occult lung cancer and its metastasis in mediastinum, and to assess the diagnostic accuracy of MR technique.
目的确定隐匿性肺癌及其纵隔转移的MRI信号特征，并评价MR技术的诊断准确性。
MFL signal features are analyzed, the features of signals are extracted from the recorded flux leakage response and characterizing definition is introduced as well;
对漏磁检测信号的特性进行了分析，提出了缺陷漏磁信号及缺陷外形尺寸的特征量；
Despite being a neurodegenerative disease, preservation of brain weight and a conspicuous absence of neuronal or glial cell death were signal features of this disease.
尽管这是一种神经退行性疾病，脑量的保持和明显的神经元的缺失，或者胶质细胞死亡是这类疾病的显著特征。
Training the multi-fault classifier only needs a small quantity of fault data samples in time domain, and does not need signal preprocessing for extracting signal features.
应用结果表明，不必进行信号预处理以提取特征量，只需要用少量的时域故障数据样本建立故障分类器。
A detection system using the bacterin algorithm is a dynamic system which can detects and study at the same time, and can get the signal features of a detected vehicle's condition efficiently.
运用此算法开发了具有边检测边学习功能的检测系统，能够充分捕捉反映被测车辆状态的信号特征。
In this paper the radar return signal features for forming short— time dangerous wind are approached. A method of recognition and for— ccasting of radar for short—time dangerous wind is examined.
本文探讨了形成短时大风的雷达回波特征，提出了雷达识别和预报短时大风的方法。
Advanced bash features (for example, epoch, functions, signal control, multiple extensions, command history, the means of using one-dimensional arrays) that give users much more power than before.
高级bash特性向用户提供比以前更强的能力(例如，纪元、函数、信号控制、多个扩展、命令历史、使用一维数组的方法)。
Any of these features, or a combination of them, could indicate that an innocent looking signal is in fact an intelligent transmission.
任何一个这些特征或者它们的组合都可能显示出一个无害的信号是来自于一个文明。
Extracting the features related to the adhesive state and quality between metal and nonmetal, through the methods of signal analysing and processing.
通过信号分析与处理的方法，提取出与金属和非金属粘接状态和粘接质量有关的特征量。
It can effective extract principal features of the signal and repress the noise.
它可有效地提取信号的主要特征和抑制噪声。
At last, we recomposed some frequency band of wavelets, and the results can efficiently extract the features of acoustic emission signal.
最后通过对能反映源特征的频带信号进行重构，这样能更好更有效的提取声发射信号的本质特征。
In combination with signal intensity and morphologic features, MRI is more useful and, therefore, superior to CT in differentiation of malignant from benign pleural tumor.
但当MR信号与形态学特点结合时，其对良、恶性胸膜肿瘤的鉴别诊断价值则明显优于CT。
On the form, cognition and semantic features as well as the context and the signal words the identification of metaphor is dependent.
隐喻的辨认要依靠其表现形式、认知、语义特征，以及语境和信号词。
Mainly described are the working principles and structure features of the number marking device for the computer-controlled signal board.
主要介绍了微机控制标志板打号机的工作原理及结构特点。
Aim To extract harmonic frequencies of helicopter acoustic signal as features for helicopter identification.
目的提取直升机声信号谐波频率作为特征用以识别直升机。
Fault features set can be obtained by processing machine condition signal in machine fault diagnosis.
在机械故障诊断中，对机器状态信号进行处理可得到故障特征集。
Testing of the engine sensor is base for control and diagnosis, thus, it is necessary to expound the characters, features and circuit of the sensor output signal.
发动机传感器的测试是进行控制和诊断的基础，故有必要对传感器输出信号的性质、特征及电路加以阐述。
According to features of power quality disturbance signal, this paper detects the disturbance signals of high-frequency, transient impulse and voltage notch with wavelet transforming.
针对电能质量扰动信号的特性，本文采用小波变换对电力系统的高频、瞬时脉冲、电压切痕扰动信号进行检测。
Theoretic description and application of the expression of object features, and formation and extraction of feature signal are presented in this paper.
文章给出了对象模式特征的表述、特征信号的生成与提取的理论描述和实现方法。
Simulation tests are made to verify that the partial features of the original signal can be reserved after de noising via this method.
为了验证该方法可以在去噪的同时有效的保留原信号的特征分量，进行了模拟故障试验。
The principle, construction and features of a new type of standard image signal generator are described.
本文介绍了一种标准图像信号发生器的原理、结构和特点。
Applying this method to the lens design, the lens' wavelength and weight corresponds to spectral response features of the output signal in the detector's focal plane.
将该方法应用于实际物镜设计，发现光学系统波长及权重符合探测器焦平面输出信号光谱响应特性。
Applying this method to the lens design, the lens' wavelength and weight corresponds to spectral response features of the output signal in the detector's focal plane.
将该方法应用于实际物镜设计，发现光学系统波长及权重符合探测器焦平面输出信号光谱响应特性。
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