The filter processes input discrete sampling signal to recover continuous signal and suppress harmonic noise, and the zero-crossing frequency measuring method is improved.
该滤波器通过处理输入离散采样信号获得连续信号并抑制谐波噪声,改进了过零测频方法。
An adaptive harmonic current detecting method based on the adaptive noise canceling technology is presented.
提出一种基于自适应噪声对消技术的谐波电流检测方法。
The result shows that nonlinearity of the system induces the fractional harmonic which roots in the noise.
说明系统运动非线性产生的分数次谐波,是诱发噪声的直接原因。
This paper studies chaotic motions in a nonlinear oscillatory system perturbed by external harmonic force and bounded noise excitation.
研究谐和外力与有界噪声激励联合作用下的一类非线性振子的混沌运动。
The problem of concern here is the harmonic retrieval in colored non Gaussian noise.
本文研究非高斯有色噪声中的谐波恢复问题。
An adaptive harmonic current detecting method based on the adaptive noise canceling technology is researched.
文中首先介绍一种基于自适应噪声对消技术的自适应谐波电流检测方法。
In this paper, we propose to use a novel adaptive noise canceller with master slave structure (MS anc) to cancel those harmonic interference and Gaussian noise appeared in the electrified railway.
提出采用一种新型的主从结构的自适应噪声对消器(MS -ANC),解决电气化铁路中的谐波干扰和高斯白噪声对消问题。
The results show that the method can effectively separate the dynamic modulation from other parts of radiated noise, and extract harmonic features.
结果表明,该方法可以有效地实现动态调制分量与其他信号的分离,准确提取谐波特征。
By these methods, the disturbance of the frequency leakage and the noise can be reduced and the accuracy of the harmonic analysis can be improved.
这些改进能够进一步降低泄漏和噪声干扰,提高谐波分析的准确性。
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.
本文方法克服了以往的困难,成功地解决了对称分布非高斯噪声背景下和谐波信号中存在二次相位耦合时的谐波恢复问题。
The harmonic retrieval is classified according to the different noise background, in additive noises and multiplicative additive noises.
根据噪声背景的不同,谐波恢复可以分为加性噪声背景和乘性混合噪声背景下的谐波恢复。
On the topic of noise, be aware that rotating machinery, no matter how well balanced, will still vibrate due to harmonic resonances if the number of vanes is an even number.
对噪音问题,要知道旋转机械,无论怎样很好的平衡,仍然会由于谐波共振振动如果数字的叶片是一个偶数。
Accurate calculation of the stator natural frequencies and harmonic response of an electrical machine is essential to the prediction of acoustic noise and vibration.
预测电机的振动和噪声需准确计算电机定子结构的固有频率及定子的响应特性。
However, the multiplicative noise can enhance the fluctuation of fundamental light, meanwhile it can reduce the fluctuation of the second harmonic light.
当激光场中含有乘性噪声时,乘性噪声能增强基波的涨落,同时抑制二次谐波的涨落。
The principles of the adaptive noise canceling technology and the adaptive harmonic current detecting method are clarified.
阐述自适应噪声对消技术的原理和自适应检测原理。
Based on adaptive noise canceling principle, a realtime approach of detecting harmonic current by artificial neuron is proposed.
基于自适应噪声干扰对消原理,提出了用人工神经网络进行实时谐波检测的方法。
It provides superior signal quality, low phase noise, good harmonic suppression and low spurious.
它提供卓越的信号质量,低相噪,良好的谐波抑制和低杂散。
With forceful, clear, and smooth reverberated sound as well as special harmonic excitation functions, the noise frequency domain is obviously reduced, thus playing vocal perfectly and easy.
它不仅混响声音雄浑、清晰流畅,而且特有的谐波激励功能,能明显改善噪音的频域,使人的声音更加完美,演唱起来更加轻松。
By theoretical derivation and sample analysis, the structure law of ship radiated-noise demodulation -spectrum harmonic clan feature and correlative questions are investigated.
通过理论推导和样本分析,研究了舰船噪声调制谱谐波族特征蕴含的结构特性和应用于识别的相关问题。
The paper introduces a method for the harmonic current detection on the basis of adaptive noise can-celing technology, and uses the MATLAB software to model the harmonic current detection circuit.
提出了一种新的基于模糊控制理论的变步长自适应算法,将其应用于有源全补偿消弧控制的谐波电流检测中,得到很好的效果。
On the basis of building the ship radiated-noise model, the mathematical expectation expressions of ship radiated-noise demodulation spectrum harmonic clan feature were educed.
在建立舰船辐射噪声仿真模型的基础上,推导了单、双螺旋桨舰船辐射噪声调制谱谐波族幅值特征的数学期望表达式。
The equivalent disturbing current, which determines the harmonic interference noise in nearby telephone circuits, is studied systematically.
对衡量直流输电线路电话干扰水平的等效干扰电流标准进行了系统的研究。
It has the advantages of both the PER method and the ar method, and is mainly used to estimate the power spectrum of a short signal composed of harmonic components with random noise.
该方法吸取了PER方法和AR方法各自的优点。它主要适用于短的谐波加随机噪声信号的功率谱估计。
And those who do not need the noise of people, those guitar and French horn neighbors, listen to me, they can not join them to complete it more and more of the sub-harmonic harmony song.
而那些不需要噪音的人们,那些木吉它和法国号的邻人,听我说,他们也不能不投身其中,完成这越来越合谐的不合谐之歌。
In this paper, a decoupled parameter estimation (DPE) algorithm for estimating parameters of the harmonic-group signal in colored noise is researched.
本文研究了一种估计有色噪声中多组谐波信号参数的去耦参数估计算法。
In this paper, a decoupled parameter estimation (DPE) algorithm for estimating parameters of the harmonic-group signal in colored noise is researched.
本文研究了一种估计有色噪声中多组谐波信号参数的去耦参数估计算法。
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