目的：提取心脏激励源信号的特征波形。
OBJECTIVE: To extract the heart excitation source signals in human pulse wave.
本文对加工中心钻削过程功率信号的特征进行了分析。
The characteristics of power signal during drilling on machining centers is analyzed in this article.
提出了实际可行的算法，提取了心脏激励源信号的特征波形。
The feasible arithmetic is given and the characteristic waveforms of heart excitation source is obtained.
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。
Thus, the basic important step of modulation identification is how to specify and extract signal features.
信号的奇异性通常包含有十分重要的信息，是信号的特征之一。
Singularity signal usually contains very important information, is one of the characteristics of the signal.
后级使用径向基神经网络作信号拟合，提取SEP信号的特征。
Afterward, its output is estimated by radial basis function neural network (RBFNN) for extracting SEP features.
根据人体心电信号的特征，设计性能优良的心电信号采集系统。
According to the characteristic of human's ECG signal, an excellent ECG signal sampling system was designed.
根据UT信号的特征，从时域和频域角度提出了两种数字译码方法。
According to the characteristics of ut signal, this paper puts forward two ways of digital decoding: Time Domain Analysis and Frequency Domain Analysis.
漏磁检测系统检测实验制定了通过漏磁场判断缺陷信号的特征标准。
The MFL feature standard through which judge defect signals was made in MFL inspection experiment.
利用奇异值理论提取包含矩阵的奇异值作为气缸爆发噪声信号的特征。
Singular value is extracted as to feature of cylinder explosive noise signal from Cover Matrix with singular value theory.
应用小波分析研究了外循环反应器浓度波这类非平稳拟周期信号的特征。
The characteristic of the concentration wave in the RTD of out-circular reactor, which is a nonstationary quasi-periodic signal, has been investigated with wavelet analysis.
目的：研究肌肉疲劳过程中表面肌电信号的特征，实现疲劳状态的定量描述。
Objective:To study the characteristics of surface electromyogram(EMG) signals and to realize the quantitative analysis during muscle fatigue.
从视频信号的特征出发，简要说明了实时视频压缩的常用算法及其国际标准。
Common algorithms and international standards on real time video compression are briefly explained.
分析了检测信号的特征，并采用截止频率法成功地提取了微弱的缺陷回波信号。
The characteristics of the test signals were analyzed and weak defect echo signals were successfully extracted by cut-off frequency technique.
本课题的目是探讨起重机梁声发射技术无损检测的可行性及声发射信号的特征。
The aim of this subject is to discover the feasibility of crane beam AET NDT and the characteristic of AE signal, which has never been reported in literature until today.
分析了每一种信号的特征，提出并设计了逻辑芯片重构设计中信号类型识别算法。
This paper analyzes each kind of signal characteristics, proposes the signal type recognition algorithm in the logic chip restructuring design.
雷达信号的识别需要依据信号的特征，而不同的特征在识别中给出不同的信息量。
Radar's signal recognized based on the characteristics of signal, but different characteristics give different information.
详细分析滚动轴承振动信号的特征，并给出典型轴承的各种特征频率的计算公式。
In details, this paper elaborated the characteristics of rolling bearing vibration signals, and formulas were given to determine typical bearing characteristic frequencies.
小波分解对信号做多分辨率分解，可以突出信号的特征信息，便于QRS波群检测。
The wavelet transform does multi-resolution analysis on the signal which clarifies the electrocardiogram (ECG) signal characteristics to more easily detect the QRS complex.
本文在统计实验的基础上指出，表示语音信号的特征变量往往并不严格服从正态分布。
Based on the statistical experiments, this paper proposes that the feature variables which indicate speech signal are not always strictly obey normal distribution.
杜氏变换是一种将信号从时域到门宽域的变换，用信号的宽谱密度来描述信号的特征。
The Du-conversion is one that converse the signal from time domain to gate-width domain and uses the wide spectrum density of the signal to show its characteristics.
最后，模拟实际检测中不同缺陷信号的特征量作为网络输入，并对网络性能进行测试。
Finally, through the simulated working environment, the performance of the new neural network is tested with the different signal feature as input.
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。
Simulation tests are made to verify that the partial features of the original signal can be reserved after de noising via this method.
它根据火焰辐射的光谱特征，利用多个红外传感器信号的特征与相互关系识别火焰信号。
Based on the spectral characteristics of flame radiation, the detector USES the characteristics and the correlation of data received by these infrared sensors to achieve fire determination.
结果表明，新阈值函数能有效地消除噪声和保留心音信号的特征，具有较强的实用价值。
The results indicated that the new threshold function could better reserve the characteristics of heart sounds, eliminate noise effectively, and was of strong practical value.
目的：设计一种简单的拾取电路采集表面肌电信号，拟应用于动作肌电信号的特征识别。
OBJECTIVE:To design a detection circuit according to the characteristics of the sEMG, which can pick-up the SEMG signals for action recognition.
本文通过对大地传输特性的分析，得出了轮式车辆、履带式车辆和人运动时地声信号的特征。
In this paper, the sound signal characteristic of moving wheel vehicle, track vehicle and mankind is obtained by analysing the propagation characteristics of the ground.
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。
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.
研究了非线性系统特征，构建实用于检测强噪声背景下弱信号的特征信息的自适应随机共振算法。
The study of characteristics of the nonlinear system. Realization of the adaptive SR algorithm of detecting the characteristic information of practical weak signals overwhelmed in strong noise.
为在特征提取中充分利用目标信号的特征信息，对原始特征空间的建立和特征压缩的过程进行了讨论。
To make full use of the feature information of signals in feature extraction for target recognition and classification, this paper discusses establishment and feature compression of raw feature space.
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