The single chip system can transmit the leakage signal to computer and analyze the data.
数据采集系统实现了泄漏音波信号的采集和传输。
A wireless intelligent sensor which can be used to sample the pipeline leakage signal is developed.
设计了基于声发射技术的管道泄漏检测无线智能传感器。
We also discuss the mutual relationship between some parameters of the flaw and the magnetic leakage signal.
还简要地讨论了缺陷参数与漏磁信号的相互关系。
A new method on quantitative analysis of magnetic flux leakage signal based on ant colony neural network is proposed.
提出一种基于蚁群神经网络的漏磁信号定量分析方法。
Adaptive canceller is used to reduce efficiently effects of a broadband leakage signal in radar transmitter on the radar system.
自适应对消器可以有效地消除雷达发射机宽带泄漏信号对雷达系统本身的影响。
The differential coefficient of smooth function was taken as a mother wavelet for researching the sensitivity segment of inflexion of pipeline leakage signal.
以光滑函数的一阶导数作为小波母函数 ,研究了管道泄漏特征信号拐点区间的敏感性 ,突出小波变换系数的局部极值性。
The main problem of side- channel cryptanalysis is to grasp the in- formation leakage mechanism in chip, and to build information leakage model for leakage signal statistical analyzing.
其关键问题在于掌握芯片运行过程中泄漏信息的机理,进而建立统计分析泄漏信号的信息泄漏模型。
Taking the negative pressure wave produced by pipeline leakage as a transient signal, the multi scale wavelet transform can be utilized to identify the pipeline leakage signal in local.
利用多尺度小波变换,把管道泄漏产生的负压波信号作为瞬态信号,来识别管道的局部泄漏特征。
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。
Through discussing the samples of ac signal, the basic method to solve spectrum leakage is pointed out, which is to guarantee the same pace between signal frequency and sampling frequency.
通过对交流电信号采样的讨论,指出解决频谱泄漏的问题的基本方法是保证信号频率与采样频率同步。
To estimate signal frequency and amplitude exactly under noisy circumstances, the excellent property of all-phase DFT restraining spectral leakage is mathematically proved.
为精确估计噪声环境中的信号频率和幅值,数学证明了全相位DFT优良的抑制频谱泄漏的性质。
The restrain method of DFT frequency spectrum leakage base on signal symmetry extension is proposed in this paper, experimental results show that this method is effective.
提出一种利用信号对称拓展技术抑制离散傅立叶变换频谱泄漏的方法,实验证明是一种有效的方法。
Secondly, the paper does much research on water leakage acoustic signal hardware and software process methods.
其次,文中论述了对漏水声音信号的硬件及软件处理方法。
On the base of introducing the principle of the magnetic flux leakage (MFL) detection, the finite element method based on ANSYS used to simulate and analyze the MFL signal is presented.
在介绍漏磁检测原理的基础上,详细论述了利用有限元法分析缺陷信号的方法以及利用ANSYS对漏磁信号的仿真过程和仿真结果,并对结果进行分析。
The selectivity leakage protective system can give out alarming signal or cut off the fault branches selectively when the leakage fault happens, and the non-fault branches are working normally.
选择性漏电保护是指当电网发生漏电故障时,能够有选择地发出故障信号或切断故障支路电源,而非故障部分继续工作。
The selective leakage protective system can give out alarming signal or cut off the fault branches selectively when the leakage fault happens, and the non-fault branches are working normally.
选择性漏电保护是指当电网发生漏电故障时,能够有选择地发出故障信号或切断故障支路电源,而非故障部分继续工作。
Fast Fourier Transform (FFT) is inevitable to cause the spectrum leakage and fence effect because of truncation and discreteness in signal collection.
采用快速傅立叶变换(FFT)进行电力系统谐波分析时,需要对采样信号截断并离散化,从而导致频谱泄漏和栅栏效应。
The time-frequency domain sampling characteristics of periodic signal, the truncation error and the spectrum leakage error caused by asynchronous sampling are discussed in detail.
讨论了周期信号取样的时域频域特性、非同步取样引起的截断误差和频谱泄漏误差。
The signal of magnetic flux leakage is calculated when damage occurs at the wall of the pipeline.
模拟损伤发生时的漏磁信号,与没有发生任何损伤时的检测信号进行对比。
There are varying noises in output signal obtained from magnetic flux leakage nondestructive testing of oil pipeline.
在采用漏磁法对输油管道进行无损检测过程中,信号会受到各种噪声的干扰。
The working principle of the developed monitoring system is to assess comprehensively the insulation status of DC feeder cable through monitoring discharge signal and DC leakage current signal.
监测系统工作原理是通过监测电缆放电信号和直流泄漏电流信号综合评估电缆绝缘状态。
When magnetic flux leakage (MFL) means is employed in nondestructive evaluation of gun muzzle, MFL signal contains noises.
采用漏磁法对炮管进行无损检测时,漏磁信号中含有噪声。
Third, inversion methods of signal processing are studied to identify defects from magnetic flux leakage testing data.
本文研究了基于反演技术的漏磁信号分析方法,采用反演技术实现缺陷轮廓参数的评估。
Based on signal detection theory, the real-time leakage detection problem of submarine pipeline was discussed, by means of the observed series of mass flow difference of pipe.
针对海底管道泄漏监测问题,基于信号检测原理分析了受噪声干扰的流量差观测序列。
And the transmission leakage is always generated by the Z-axis components and its current of controlling signal, whose main source is the CRT.
z轴部件及其控制信号电子束电流产生传导泄漏,CRT是其主要泄漏源。
The sleep circuitry reduces power consumption of the first circuitry in the sleep state to have low leakage based on the sleep signal while retaining the data in the first circuitry.
当在该第一电路中保持数据时,该休眠电路基于休眠信号减少处于休眠状态的第一电路的功耗,以具有低漏电。
The algorithm improves the adaptive algorithm in Generalized Sidelobe Canceller structure which degrades the affect of signal leakage successfully.
该算法通过改进广义旁瓣抵消器结构中自适应算法,避免信号泄漏带来的不利影响。
To realize a true balance sampling receiver and resolve the pulse leakage of template signal in former receivers, a novel sampling-head is proposed.
为实现一种真正平衡的采样接收机,并解决以往接收机存在的采样模板脉冲泄漏问题,设计了一种新的平衡采样头。
The response concerns lie with the signal decay and the need for Windows to minimize leakage.
关于响应方面的注意事项为信号延迟、加窗的必要性以减少泄漏。
The response concerns lie with the signal decay and the need for Windows to minimize leakage.
关于响应方面的注意事项为信号延迟、加窗的必要性以减少泄漏。
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