weak signal

Chaotic weak signal detection in the long range laser rangefinders using neural network

基于神经网络的远程激光测距机混沌弱信号检测

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Detecting Weak Signal in Chaotic Sea Clutter Using RBF Neural Network Predictor

基于神经网络预测器的混沌海杂波弱信号检测

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Prefilter Design Method for Weak Signal Detection with LIA

基于锁相放大的微弱信号检测电路前置滤波器设计

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Novel approach of real-time ELF weak signal detection based on least square algorithm

基于最小二乘的极低频微弱信号实时检测方法

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The diagnosis results show that air mass flow sensor begrime seriously and lead to bad heat conductivity and weak signal due to severe deposits and with a large amount of air flow, thus make gas mixture rare and lead to trouble.

诊断分析及修复结果表明，该车装备的旁通道热线式空气质量流量传感器因严重积垢使热传导性变差，导致大流量时其输出信号偏低，从而使混合气过稀是导致上述故障的原因。

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It is proved that stochastic resonance useful tool for weak signal extraction from strong noise.

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.

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Applying chaotic theory to rigging circuit os digital oscilloscope weak signalweak signal changed very small amplitude.

将混沌理论应用于数字示波器的触发电路设计中,并用嵌入式系统实现.

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Open weak signal acquisition system based on authority management

权限管理型开放式微弱信号采集系统研究

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Time/ bearing display is an effective technique for weak signal detection.

方位一历程显示是检测微弱信号的有效技术。

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Lock-in amplifying ( LIA) is one of important means for weak signal detection.

锁相放大是微弱信号检测的重要手段。

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Yet the theory of stochastic resonance ( SR) provides a new way for weak signal detection.

随机共振理论的提出，为微弱信号检测提供了新的途径。

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The principle and the weak signal detection technology of are introduced , andobtained fromthis paper.

文章介绍了该仪器的测量原理 、 微弱信号检测技术.

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Study on weak signal for P.tabulaeformis and P.bungeana

油松与白皮松微弱电波信号振荡的研究

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The analysis of the weak signal circuit, amplifying circuit of the signal and power circuit in the thermal conductivity detector has been done, and the characteristic of the circuits with the rhenium tungsten filament is designed.

针对气相色谱热导检测器的弱信号失真和电源不稳定问题，研究与设计热导检测器的弱信号测量电路、信号放大电路以及电源电路。

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The deep space exploration has the characteristics of long time delay, high satellite ′ s velocity and the weak signal.

深空探测具有时延长、运动速度大以及信号强度低的技术难点。

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Once kidney disease progress to the medium-term , the body will be issued some weak signal.

肾脏病一旦进展到 中期, 身体会发出一些微弱的信号.

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Stochastic Resonance and Detection of Weak Signal in Instrumental Analysis

随机共振与仪器分析中弱信号的检测

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The weak signal in laser clutter background can be detected by means of the prediction error.

利用预测误差检测到激光杂波中的有用弱信号.

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Due to the accompany amplification effect and tandem pump effect of 1012 nm fiber laser, the easily-arising ASE in weak signal light amplifier is effectively suppressed.

由于1012nm激光的伴随放大效应以及同带泵浦效应，有效抑制了微弱信号光放大器中容易出现的ASE。

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The results demonstrate that the method is useful for detecting of weak fault signal about cyclostationary.

表明希尔伯特谱对周期平稳类微弱故障信号具有一定的分析能力.

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To identify the signal of the weak reflected wave is a key problem to detect the thickness of the coal seam by using elastic wave.

弱反射波信号识别是声波法煤层厚度探测中的一个关键问题。

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First, lock-in amplifier ( LIA) is used for the detection of weak signal.

利用锁相放大器进行弱信号探测。

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They may be compared to the weak signal coming in over a long-distance telephone line.

它们可以比做经过远距离电话线而来的弱信号.

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A new micro-ampere detector, which uses the data amplifier to enlarge the weak signal, is developed according to the principle of the ampere detection and the potentiostat.

根据安培检测和恒电位器原理，利用数据放大器采集放大微弱信号，研制了一种新型微安培检测器。

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For preventing the thunder including the direct thunder overvoltage and inductive thunder overvoltage to rush at electric communication system, brings forward the defense measure that adopted surge protection device ( SPD) using in communication weak electric signal.

为了防止雷电通过直击雷过电压和感应过电压这2种途径入侵电力通信系统，提出采用通信弱电信号电涌保护器（SPD）的防范措施。

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Effective methods to clean disturbance on long wire of humidity sensor and to rectificate for weak signal are presented

提出了消除湿敏元件长导电线上的干扰和弱信号整流等有效方法

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Application of Wavelet Threshold Denoising to Weak Signal Measurement

小波分析在微弱信号测量中的应用研究

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The strong pump pulse will change the spectrum of weak signal pulse by the XPM effect as a result that the time domain waveform of weak signal pulse is also changed remarkably by combining the dispersion effect.

受交叉相位调制作用的影响，强泵浦脉冲将改变弱信号脉冲的频谱，在联合色散效应后，弱信号脉冲在时域上的波形也将发生显著改变。

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Secondly, a online cable fault location in single terminal for mine supply line is proposed based on wavelet transform muti-resolution analysis of transient traveling wave in partial mutation and weak variation signal processing is stated.

然后根据小波对局部突变信号或者微弱变化信号处理上的优势，利用小波变换对暂态行波进行多分辨率分析，从而提出了一种针对矿用供电线路的电缆故障的单端行波在线测距算法。

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When the detector has a higher signal-to-noise ratio, we can decrease the local power of device to weak the external disturbance factors such as temperature, vibration.

经分析具有较高信噪比的探测装置可使用较低功率的本地光，从而减弱温度，振动等外界因素的干扰。

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