auto correlation function
英 [ˈɔːtəʊ ˌkɒrəˈleɪʃn ˈfʌŋkʃn]
美 [ˈɔːtoʊ ˌkɔːrəˈleɪʃn ˈfʌŋkʃn]
网络 自相关函数; 相关函数
双语例句
- Using the inversion of the auto correlation function Toeplitz matrix of pseudo random binary sequence ( PRBS) derived in this paper and the theorem of partitioned matrix inversion, a fast multistage least squares ( FMLS) method is developed.
利用分块矩阵求递引理及本文导出的M序列自相关函数Toeplitz矩阵求逆算式，总结出系统参数估计的快速多步最小二乘法（FMLS），并将其应用于辨识换热器的动态模型。 - Simulation the auto correlation function with different mathematical functions showed that the sensitivity of the reduction factor of variance to different auto correlation functions and the degree of consolidation to the correlation distance of the coefficient of consolidation is very weak.
结果表明方差折减系数对于自相关函数的选取不敏感，固结系数的相关距离对固结度的敏感性很弱。 - Sweep technique plays an important role in Vibroseis system, the resolution of Vibroseis seismic prospecting is affected by the shape of the sweep signal ′ s auto correlation function.
扫描技术是可控震源技术的重要组成部分，扫描信号自相关函数的形状是影响可控震源地震勘探分辨率的重要因素。 - Analysis results show that the sidelobes of auto correlation function of prime sequences are larger than that of optical orthogonal codes, and optical orthogonal codes possess better auto correlation and cross correlation properties than prime sequences.
分析表明，素数序列自相关函数的旁瓣较大，光正交码比素数序列具有更好的自相关、互相关特性。 - The method improves the estimate of the index of fractional Brownian motion and describes natural texture images with the auto correlation function of the intensity difference between textures.
该方法利用纹理图像亮度差值的自相关函数来描述自然纹理。 - This method uses two spatially separated receiving equipment. Cross correlation of the two outputs will therefore yield the Auto Correlation Function ( ACF) of the signal, plus noise which is spread uniformly over the whole width.
该算法采用空间上分离的两路接收设备，通过对包含同一个信号的2个输出信号互相关，得到信号窄自相关函数（ACF）和在整个带宽里均匀分布噪声成分。 - An evaluation of the effectiveness of conditional sampling, auto correlation function, digital low pass filter and wavelet analysis coherent structure identification algorithms has been done while they are used to detect the coherent structures that arise in the near wall region of turbulent boundary layer.
本文评价了辨识湍流边界层近壁区域相干结构的条件采样法、自相关函数法、数字滤波法和子波分析法。 - In order to reduce the amount of background noise data within the period of locomotive running, the dissertation tests an algorithm of combining filtering method, energy method and auto correlation function method, achieves a better result of background noise suppression.
为了减少机车作业背景下数字录音的数据量，在分析比较噪声和语音特性的基础上，采用滤波法、能量法与自相关函数法三者相结合的方法，实现了一种背景噪声抑制方案。 - According to the relationship between auto correlation function and its spectral density, a new type of decision tree method based on signal analysis theory is proposed in this paper.
该文根据自相关函数与谱密度函数之间的对应关系，提出了一种新的基于自相关函数的决策树归纳学习算法。 - In this paper, we give an estimate of the MA parameters of the ARMA model using the G-spectral estimator of the inverse auto-correlation function. The strong consistency and asymptotic normality of the estimate are proved.
本文利用逆自相关函数的G&谱估计给出ARMA模型MA参数的一种估计，并且证明这种估计具有强相合性与渐近正态性。 - In this paper, the quantitative relation between the cyclic auto correlation function of the white noise and its available data length is deduced, and the corresponding physical explanation is also given. Finally, the conclusion is proved by Monte Carlo experiments.
本文推导了有限长数据下噪声循环自相关函数与数据长度之间的量化关系，给出了相应的物理解释，并通过Monte－Carlo实验验证了有关结论。 - Based on the analysis of auto correlation function, the notion of the distance between auto correlation function was quoted, and the characterization of the noise and the signal with noise were discussed by using the distance.
在分析信号自相关函数的基础上，引用了自相关相似距离的概念，讨论了自相关相似距离对噪声和有噪信号的描述，并据此总结出基于自相关函数的地震信号端点检测方法。 - Estimating DOA based on cyclic auto correlation Research on Performance of Suppressing Noise by Cyclic Auto Correlation Function
基于循环自相关的DOA估计方法研究离散白噪声序列循环自相关函数估计的误差分析 - First, considering the fact that the Doppler shift of the interfering component is zero and the property of the auto correlation function of PN sequence, the interfering component is filtered using the cascading cancellation.
根据直达干扰分量的多普勒频移为零，而目标反射信号的多普勒频移非零以及伪随机序列自相关函数的特点，采用级联对消方法滤除各个基站直达分量的干扰； - The transformation of random gravity anomaly into autocorrelation function also brings upward continuation effect of gravity anomaly, so that the auto-correlation function can remove high-frequency noise and observation error, and enhance the major anomaly caused by gravity-field source.
因为，当随机重力异常变换为自桐关函数过程中包含了异常向上廷拓的效果，故自相关函数能够起到压制高频随机干扰、测量误差，突出场源主异常的作用。 - For phase space reconstruction of ship-radiated noise, using auto correlation function and mutual information to select the delay-time, and using False Nearest Neighbors method to select the embedding dimension.
6研究了舰船辐射噪声的相空间重构。从自相关函数及互信息嫡两个方面讨论了相空间重构中延迟时间的选择。 - From the viewpoint of signal analyses that there is a correlation between the signal's auto correlation function and spectrum density, a new kind of method for feature selection is presented in this paper. The validity of this method is verified through experiments.
论文从随机信号的傅立叶分析中自相关函数与谱密度函数之间的对应关系出发，提出了一种基于自相关函数的特征选择方法，并以实验方式进行了有效性验证。 - Various algorithms have been developed to estimate the PRI of an interleaving pulse train, which are based on time of arrival ( TOA) analysis and auto correlation function of the pulse train.
目前以脉冲序列的自相关函数为基础，利用脉冲到达时间（TOA）提出了多种脉冲重复间隔估计算法。 - The concept of time frequency power spectrum is presented. The relations between the time frequency power spectrum and the wavelet transform of auto correlation function is also studied. The method of PD signal's drawing from white noise is presented.
以时频功率谱为基础，研究了自相关函数的小波变换及与时频功率谱的关系，提出了利用小波变换从白噪声中提取局放信号的方法。 - Auto correlation function of a signal is connected to the power spectrum of it by Fourier transform.
信号的自相关函数由傅里叶变换与其功率谱相联系。 - Unfortunately, the estimation of the cyclic auto correlation function of the white noise is not zero due to the limited data length in some real environment. Accordingly, the performance of cyclostationary method may be negatively affected.
但在实际场合中由于数据长度有限，噪声循环自相关函数的估计量并不为零，因此将影响循环平稳方法的性能。 - Purpose: To test ACF ( auto correlation function) of granules on radiograph.
目的：测试X线照片斑点的自相关函数（auto－corelationfunction，ACF）。 - Auto-correlation origin moment of Boolean function
布尔函数的自相关原点矩 - Pitch frequency can be extracted by auto correlation function ( ACF).
本文采用自相关基音检测算法（ACF）提取基音频率。