Signal extraction of line scan CCD used in dimension measurement;
通过对两边沿的位置捕获就可完成尺寸测量。
It is proved that stochastic resonance is a very useful tool for weak signal extraction from...
实验证明了随机共振技术在强噪声背景下弱信号检测的优越性。
Blind signal extraction researches mainly on how to extract the source signal sequentially from the mixed signals.
盲信号提取主要研究如何把源信号逐个从观察信号中提取出来。
Simulation results verified that the method has higher stability and reliability and is effective in weak signal extraction in chaos.
数值实验表明，该方法具有高度的稳定性和可靠性，是提取混沌中微弱信号的有效方法。
In the view of feature signal extraction, the local wave time-frequency analysis and information entropy were used to deal with fault diagnosis.
从特征信号提取的角度出发，采用局域波时频分析和信息熵结合的方法进行往复式压缩机故障诊断。
The SPD R&D includes five modules: SPD bias voltage, pre-amplification, avalanche signal extraction, temperature control and digital control circuit.
将单光子探测器的研制分为偏置电压、前置放大、雪崩信号提取、温度控制和数字控制电路五个模块。
This paper introduces the principle, scheme of signal extraction, design of the software and hardware about the on-line monitoring device of the leakage current.
介绍了泄漏电流在线监测装置的原理、信号抽取方案和软硬件设计。
UST real time signal process system is called signal extraction system. It can increase signal noise ratio through synchronization and average and limited pulse response filtering.
称为信号析取系统的超声波检验实时信号处理系统，它通过同步平均和有限脉冲响应滤波能够提高信噪比。
In the research of the transient visual evoked potential (VEP) based brain-computer interface (BCI), VEP signal extraction and recognition are essential for obtaining BCI control signal.
在基于瞬态视觉诱发电位的脑机接口研究中，通过视觉诱发电位信号的提取与识别产生脑机接口控制信号。
In the paper, the calculating method of signal extraction filter pass-band according to the paper-counting speed and the utility circuit of separating strong interference in pass-band are given.
并针对点钞速度给出了信号提取滤波器通频带的计算方法，以及在带内分离强干扰的实用电路。
The water-cooling system is very important for the safe operation of generator. The water leakage detection of the system is typically a problem of weak signal extraction under strong disturbances.
发电机内冷水系统是发电机组安全运行的一个重要组成部分，其渗漏监测是在强干扰下弱信号的识别问题。
Use them for structural damage signals characteristic extraction, and signal extraction as neural network input, the introduction of three-tier network model BP damage to structures identification.
利用它们对结构损伤信号进行特征提取，并将提取的信号作为神经网络的输入，采用三层BP网络模型对结构物的损伤进行识别。
On the basis of analyzing the basic features of impact signal noise from reactor loose parts, the wavelet nonlinear threshold value filtering method for the use of impact signal extraction is studied.
在分析反应堆松动部件冲击信号噪声基本特征基础上，利用小波非线性阈值滤波方法对冲击信号的提取进行了研究。
The digital realization of monostable circuit and extraction of bit-synchronous signal with digital phase lock loop are also introduced in detail.
对于其中的单稳态电路的数字化和数字锁相环提取位同步信号也进行了详细的设计说明。
This neural network pattern recognition can be applied to feature extraction, clustering analysis, edge detection, signal enhancement and noise suppression, data compression, such as various links.
这样神经网络可应用于模式识别的特征提取、聚类分析、边缘检测、信号增强以及噪声抑制、数据压缩等各个环节。
After analyzing the existing radar emitter signal recognition models, this paper presents a radar emitter signal recognition model based on signal parameters extraction.
在分析已有辐射源信号识别模型的基础上，提出了基于信号参数特征提取的辐射源信号识别模型。
This paper discusses extraction of the bit-synchronous signal with a first-order ADPLL mainly.
本文主要以一阶环为例讨论位同步信号提取。
The initial research results of measurement principle, signal collection and characteristic parameter extraction etc, are introduced in this paper.
本文对检测的基本原理、信号采集与特征参数提取等初步研究情况做了介绍。
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。
The simulated extraction of weak frequency variation signal is carried out with the expressed Resonant frequency locking property when system transits from chaotic to great periodic motion.
利用系统从混沌状态到大周期转变时所表现出的共振锁频性质，进行了微弱频率变化信号的仿真提取。
That the system can stably track targets at lake test shows the signal micro-structure extraction is effective and can be implemented for engineering application.
在湖上试验中，该系统能稳定地跟踪水声目标，这说明信号微结构的提取方法是有效的，适合工程化应用。
Finally after the study on the emitter signal detection and feature extraction technology, the system model on complex emitter reconnaissance and processing technology was given.
最后结合辐射源信号检测和特征提取技术的研究，建立了复杂辐射源信号侦察处理技术系统模型。
The feature extraction of partial discharge signal of transformer is the front research project in online monitoring and diagnosing high voltage insulation failure.
大型电力变压器局部放电信号的特征提取是电气设备绝缘在线监测及故障诊断技术领域的前沿研究课题。
Due to high temporal and frequency resolution and high energy focus, the accuracy of fault signal feature extraction is greatly improved by WVD.
WVD很高的能量聚集性和很好的时频分辨率，极大地提高了故障信号特征提取的准确度。
In this paper we introduced the speech signal feature parameters, the speech signal feature parameters selection, and introduced short-term energy, short-term average range extraction.
本文对语音信号特征参数、语音信号特征参数的选择进行了介绍，并介绍了语音信号的短时能量、短时平均幅度的提取。
In addition the application of STFT for base band analytic signal based frequency hopping signal recognition, tracking and parameter extraction is investigated.
另外研究了STFT在基于基带解析信号的跳频信号识别、跟踪、以及参数提取中的应用。
By researching on the theory of the signal sudden change token by wavelet, this paper provides the principle and algorithm of audio signal pitch extraction based on wavelet principle.
通过对小波变换表征信号突变原理的研究，给出了基于小波变换的音频信号基频提取的原理和算法。
A method for signal waveform extraction is proposed, which is based on nonparametric waveform atom.
提出一种基于非参数原子的信号波形提取方法。
The formerly used methods for characteristic information extraction take single-trace signal analysis as main scheme and lack strict theoretical analysis.
以往提取特征信息的方法以单道信号分析为主，缺乏严格的理论分析。
The formerly used methods for characteristic information extraction take single-trace signal analysis as main scheme and lack strict theoretical analysis.
以往提取特征信息的方法以单道信号分析为主，缺乏严格的理论分析。
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