分析了心音信号的产生机理、信号成分及心音的临床诊断价值。
The generation mechanism, compositions and clinical diagnostic value of the heart sound signals are analyzed.
计算单元从由第二放大器放大的每个像 素信号中减去黑电平信号成分。
The computing unit subtracts a black level signal component from each of the pixel signals amplified by the second amplifier.
模拟陷波器和数字陷波器由于消除工频干扰的同时也去除了信号成分，一般只在简单生物反馈中使用。
However both the analog and digital notch filter removes the signal component when they eliminate the power line interference, so they are only used in simple biofeedback.
利用小波包多分辨率的特点，提出了以小波包信号成分能量特征向量为结构损伤识别的损伤特征指标。
The wavelet package signal component energy eigenvector was used as the damage index property of structural damage recognition according to the multiresolution trait of wavelet package.
GIS局部放电脉冲含有较为丰富的超高频信号成分，利用GIS局部放电产生的高频辐射特性可以有效地检测GIS局部放电。
Partial discharge(PD)in GIS could be detected efficiently with its frequency characteristics, because of a lot ultra-high frequency composition in GIS partial discharge signal.
利用小波包多分辨率的特点，提出了以小波包信号成分能量特征向量为结构损伤识别的损伤特征指标，并在实验中得到了良好的识别效果。
The structural damage recognition is studied with the mode identification method, and the method for drawing the wavelet package signal energy eigenvalue is analyzed. Based on...
他预期最好的药物是一种大蒜提取物，尽管其用于信号干预的主要成分仍然不为所知。
His best bet for a drug lead is an extract of garlic, although the active component that interferes with the signal remains unknown.
同时细菌也没闲着，产生信号阻碍真菌的繁殖，阻止其从单细胞的形式转化成分枝的多细胞真菌。
The bacterium, meanwhile, produces signals that keep the yeast's growth in check, preventing it from transforming itself from a single-celled yeast into a branching, multicellular fungus.
MIT的研究者开发的最快的傅里叶变化，这一技术可以把信号分解为带有它自身成分的频率。
MIT researchers developed one of the fastest software implementations of the Fourier transform, a technique for splitting a signal into its constituent frequencies.
基于多层核主成分提取估计器需要将调制信号的训练样本根据各自的频率进行分层。
The estimator based on kernel principal component extraction requires to stratify the training samples of interested signals with respect to their respective frequencies.
我们买的食物是一个信号，这个信号会传达给其他人，但这并不表示我们就赞同这些食物就是美食；我们吸收了这些食物的信息，而这些信息就是从这些食物中寻找出来的最好的成分。
The foods we buy signal to others that we don't just subscribe to Gourmet; we ingest its message of seeking out the finest ingredients.
该方法首先利用小波变换和主成分分析对故障信号进行预处理，然后用处理后的故障特征数据对小波神经网络进行训练和测试。
The method uses wavelet transform and principle component analysis to preprocess fault signal, afterward training and testing wavelet neural network with the preprocessed fault characteristic data.
在这八个成分中，编码和解码具有特别的意义，因为通信是通过将消息编码为信号并通过在接收端解码该信号来实现的。
Among these eight ingredients, encoding and decoding are of special significance because communication is achieved by encoding a message into a signal and by decoding this signal at the receiving end.
通常，信息的存在在形式是信号幅度绝对幅度或相对幅度、频率或频谱成分、相位或者和其他信号之间的时序关系。
This information normally exists in the form of signal amplitude (absolute or relative), frequency or spectral content, phase, or timing relationships with respect to other signals.
通常，信息的存在在情势是信号幅度尽对幅度或绝对幅度、频率或频谱成分、相位或者跟其余信号之间的时序关联。
This information normally exists in the form of signal amplitude (absolute or relative) frequency or spectral content phase or timing relationships with respect to other signals.
提出了在强噪声背景下检测瞬时信号的到达时间和频率成分的方法。
Then proposes a method to detect the arrival time of instantaneous signal and the frequency composition under strong noise background.
信源编码通过压缩编码来去掉信号源中的冗余成分，以达到压缩码率，提高通信的效率，实现信号有效传输的目的。
The source coding through compression to remove the source redundancies, achieves the compression bitrate, improve communication efficiency, achieve the purpose of effective transmission signal.
在本例，两者在T1序列上显示高信号提示脂性成分。
In this case, the very high signal in both lesions on the T1-weighted images suggests fat content.
研究表明，立方法可以有效地抑制信号中的随机噪声成分，从而提高信号的信噪比。
Results of the study show that the method can effectively weaken the noise which infiltrated in the signals, and therefore improve the signal to noise ratio.
运用主成分分析方法，经过矩阵变换，提取振动信号的主要信息，从而实现对振动噪声源的分析。
The main vibration signals can be obtained by reducing its dimensions through matrix conversion in the principal component analyzed, and realize the analysis to the vibration noise source.
头发易碎是人体必需的脂肪酸、蛋白质、铁和其他营养成分缺少的信号灯。
Brittle hair can signal a deficit of essential fatty acids, protein, iron and other nutrients.
为评估随机成分对设备的影响，需要将周期成分从振动信号中去除。
To evaluate the influences of the stochastic component on apparatus, it is necessary to remove the periodic components from the vibration signal.
然而，从频域信号中提取出的信息是以信号频率成分而非信号形状为基础。
However, the information extracted from a frequency domain signal is based on the signal frequency content, as opposed to the shape or time-varying characteristics of the waveform.
在随机信号测量或仿真系统中，经常需要对离散数据信号进行随机性检验，以确定待测信号的特性或组成成分。
In random signal processing or simulating systems, the test of discrete digital signal randomicity is often needed. By which the compositions or the specialties can be testified.
理论分析和实验结果表明，该方法能够抑制低频成分，改善相关输出信号的性能，提高系统的相关识别能力。
The result of experiment shows that the property of correlating output signal and the joint correlation recognition ability is improved by this system.
本文介绍了变压器铁心振动的起因，提出了一种不必空载运行变压器即可取得变压器铁心振动信号基频成分的方法。
In this paper, the principle of core vibration was described, and a method extracting cores vibration signal without operating transformer at no load condition was introduced.
论文介绍了基于核空间的ICA的原理和基本算法，然后介绍了该算法与典型ICA和主成分分析(PCA)在盲源信号分离中的比较。
In this paper, kernel independent component analysis (KICA) 's principle and algorithm are introduced, and then the KICA comparison with some other ICA and principal component analysis (PCA) is given.
文中提出了一种不空载运行变压器取得变压器铁心振动信号基频成分的负载电流法。
In this paper, a method extracting cores vibration signal with operating transformer at on-load condition was introduced.
文中提出了一种不空载运行变压器取得变压器铁心振动信号基频成分的负载电流法。
In this paper, a method extracting cores vibration signal with operating transformer at on-load condition was introduced.
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