• 基础上,重构谐波信号、相位及频率。

    On the basis of this, the harmonic signal is reconstructed by means of the method.

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  • 本文讨论有噪声污染谐波信号累量单一记录估计

    This paper considers the single record estimators for cumulants of sinusoids in additive noise.

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  • 研究膜表面由于吸附吡啶分子而引起表面谐波信号变化

    The changes in the SH signal due to adsorption of pyridine molecules on the Ag film were investigated.

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  • 种关系在多次谐波信号可能同时存在,也可能存在一种种。

    The all relations maybe exist at the same time in the harmonic signal, possibly one or two of them exists only.

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  • 谐波信号有限实际地震记录应用表明,方法具有较高的识别精度

    By application of some harmonious signals and real seismic records, the precision and stability of the method are proved.

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  • 本文研究了一种估计有色噪声多组谐波信号参数去耦参数估计算法

    In this paper, a decoupled parameter estimation (DPE) algorithm for estimating parameters of the harmonic-group signal in colored noise is researched.

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  • 本文研究了一种估计有色噪声中多谐波信号参数的去耦参数估计算法。

    Study on Static Decoupling and Signal Denoising for Multi-axial Wheel Force Transducer;

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  • 噪声情形下,惩罚函数方法一种简洁有效谐波信号个数估计方法。

    Penalty function based method is a very effective method to estimate the number of sinusoid in presence of additive noise.

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  • 测量信号经过TA电压信号放大器引入谐波信号数字测量分析系统的。

    Its measurement signal is to lead into harmonic signal digital measurement analysis system via ta end screen voltage signal amplifier.

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  • 因而,新窗函数谐波分析方法特别适用于分数次谐波分析,且能提高谐波信号分辨能力准确度

    So it can be applied to fractional-harmonics analysis more preferably and therefore improve the resolution capability of weak harmonic component and accuracy of harmonic analysis.

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  • NdYAG强激光作用下,薄膜样品中观察到谐波信号分析了二次谐波发生的机理

    The optical second harmonic signal was observed using a ND:YAG laser, The mechanism of SHG was discussed.

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  • 准确提取谐波信号灵敏检测漏电保护启动值谐波方向高压电网漏电保护需要考虑关键因素

    Extract the 5th harmonic signal accurately and More sensitive detection leakage protection launched is the key factor in harmonic direction type of HV distribution networks leakage protection.

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  • 对晶CO2焊接电源焊接过程变压器一次侧产生谐波信号进行采集分析以此研究焊接电源对电网的影响

    This paper collects and analyzes the harmonic signals of the CO2 welding machines main transformer, by which researches the effect of welding power source on the main.

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  • 为了克服固有缺陷,本文构造了一种组合小波,利用它实现电力谐波信号含量频率准确检测

    To conquer the old wavelet inherent shortcoming, a combine wavelet is designed and used to realize the accurate detection to harmonic contents and frequency of power quality transient signals.

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  • 本文方法克服了以往的困难,成功地解决对称分布高斯噪声背景下谐波信号存在二次相位耦合时的谐波恢复问题。

    This method succeeds in harmonic retrieval in colored non Gaussian noise, especially when the noise is symmetrically distributed or there exist quadratic phase coupled cosinusoids.

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  • 其中提出一种基于FFT谐波迭代清除算法估计谐波信号参数,并根据谐波图”的值来确定谐波信号的个数。

    In this algorithm, a "iterated harmonic-group clean algorithm" is presented to obtain the estimates of the parameters of the harmonic signal based on FFT.

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  • 分别针对谐波数值仿真信号调幅信号及电弧炉电流作间谐波分析,结果表明方法噪声能力强检测精度尤其对时变性调幅性间谐波信号具有强适应性

    The simulation results show that the method has high antinoise capability, higher detection accuracy and the better adaptiveness to the amplitude inter harmonics signal of time change especially.

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  • 由于降噪中不同适应信号特征不同,采用多种小波阈值城市轨道交通牵引供电系统谐波信号进行降噪,从中选择了优的降噪阈值,达到信号的优化处理。

    Due to different wavelet threshold fit for different characteristic of signal, various wavelet de-noise threshold was used to decline the harmonics of signal and the best threshold was chosen.

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  • 采用含有丰富谐波分量脉冲电流作为励磁信号晶丝直接励磁,使传感器具有灵敏度响应优点。

    The magnetic sensor has characteristics of high sensitivity and quick response due to the amorphous wires excited directly by sharp pulse train current containing amount of harmonic signals.

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  • 提出了一利用谐波电势信号实现电机转子位置检测的新方法设计了电机一体化的新型位置传感器。

    A novel method that USES the harmonic back EMF signal to extract the rotor position is put forward, and a new position sensor merged into an organic whole with the motor is designed.

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  • 针对传感器检测环境磁场强度信号运用谐波选择设计了磁通门信号处理电路

    This paper adopts harmonic choice method to design fluxgate signal processing circuit in allusion to the environment magnetic field strength signal of fluxgate sensor detecting.

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  • 本文提出了一种谐波清除算法估计周期信号参数

    In this paper, we present a "harmonic group clean algorithm" to obtain the estimation of the parameters of the periodic signal.

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  • 基础研究了利用谐波电势信号实现混合式电动机闭环控制方法,设计了步进电动机微机控制系统

    On this base, the closed - loop control method of hybrid step motor using the harmonic back EMF is investigated, and the microcomputer control system of step motor is designed.

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  • 这种方法首先对语言声音信号进行谐波分析然后所得到的时变振幅频率等声音信号参数进行分段线性化

    This technique performs harmonic analysis of the nonspeech audio signals and then the resulted attributes including time-varying amplitude and frequency functions are piecewisely linearized.

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  • 对于非线性元件输出输入情况,令输出为正弦信号输入包含有各次谐波

    If the nonlinear element has a single output and multiple input values, the output signal is taken to be sinusoidal and the inputs contain harmonics.

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  • 目的提取直升机信号谐波频率作为特征用以识别直升机。

    Aim To extract harmonic frequencies of helicopter acoustic signal as features for helicopter identification.

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  • 发现建立过程平滑作用可以明显地削弱信号谐波分量,存在一个最佳转换频率使谐波失真达到最小值。

    It shows signal harmonics is obviously weakened by the smoothing action in the setting process and there is a best conversion frequency to minimize harmonic distortion.

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  • 研究了利用谐波电势信号实现混合式步进电动机闭环控制方法

    In this paper, the closed-loop control method of hybrid step motor using the harmonic back EMF is investigated.

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  • 现场实验仿真证明滤波器能够非常有效地抑制电网中的基波35谐波,大大提高了双向工频通信信号检测能力

    Practical experiment and simulation show that The 3rd, 5th harmonic are suppressed effectively and the ability of detecting the signal of TWACS is improved greatly.

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  • 结果表明方法可以有效地实现动态调制分量其他信号分离准确提取谐波特征

    The results show that the method can effectively separate the dynamic modulation from other parts of radiated noise, and extract harmonic features.

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