cross-correlation function
英 [krɒs ˌkɒrəˈleɪʃn ˈfʌŋkʃn]
美 [krɔːs ˌkɔːrəˈleɪʃn ˈfʌŋkʃn]
网络 互相关函数; 相关函数; 交叉相关函数; 交相关函数
双语例句
- The effects of pulse shape on the chip-asynchronous coherent time-spreading OCDMA system performances are analyzed by the aperiodic cross-correlation function of up-sampled sequence.
采用超抽样序列的非周期互相关函数值，研究了脉冲形状对切普异步时域相位光码分多址（OCDMA）系统性能的影响。 - Firstly, the normalized cross-correlation function is computed, so the peak's value and position of the normalized cross-correlation function can be found.
首先利用改进的相位相关法计算出归一化相位相关度的峰值及峰值点坐标； - Empirical Study on the International Market Co-movements Using Cross-correlation Function Tests
基于CCF检验的国际证券市场联动性实证研究 - Study of Delay Time of Transfer of Rolling Mill Vibration Based on Cross-correlation Function
基于互相关函数的轧机振动传递时间滞后分析 - Multiple-access interference ( MAI) and beat noise ( BN) in coherent time-spreading optical code-division multiple access ( OCDMA) system are analyzed according to aperiodic cross-correlation function.
从码字的非周期互相关函数出发，分析异步相干扩时光码分多址（OCDMA）系统的多址干扰（MAI）和差拍噪声（BN）。 - On the one hand, cross-correlation function is used for time-delay identification; Fast Fourier Transform and its inverse transform are applied to improve the computational efficiency.
该算法一方面采用互相关函数来辨识滞后时间，并引进了快速傅里叶变换及其反变换，提高了计算效率； - The generalized chirp-like ( GCL) sequence has the ideal periodic auto-correlation function, optimum periodic cross-correlation function and low peak-average power ratio ( PAPR). Therefore, GCL sequences are used as training sequences to estimate each user 'timing offset.
广义线性调频序列（GCL）具有理想的周期自相关特性、最优的互相关特性和低峰均功率比特性，因而被用作训练序列来估计每个用户的时间偏移。 - Fidelity of Quantum States and the Cross-correlation Function between Atoms in the Non-degenerate Two Photons Tavis-Cummings Model
非简并双光子Tavis-Cummings模型中量子态保真度及原子间关联 - Estimating seismic attenuation using cross-correlation function
利用互相关函数求地震波衰减 - The aperiodic cross-correlation function between groups has either uniform IFW or perfect complement.
码组间的非周期互相关函数具有均匀分布的IFW，或者完美理想互补的特点。 - And can go on the frequency spectrum of the need to analyse, can select for use Fourier Transformation, power spectrum, auto-correlation function, cross-correlation function, etc. many kinds of signals analyse and process the method each other;
并可进行频谱分析，可选用傅立叶变换、自功率谱、互功率谱、自相关函数、互相关函数等多种信号分析处理方法； - Based on the equivalent lowpass method, the equivalent lowpass orthogonality condition of two real bandpass signals, i. e. the orthogonality condition of two complex signals in wide-sense, is presented using complex cross-correlation function of complex envelopes.
根据等效低通法，利用复包络的复互相关函数提出了两个实带通信号的等效低通正交条件，即2个复信号的广义正交条件。 - The approach of probability tomography defined as the cross-correlation product of the total observed electric field components and the scanning function normalized by the square root of the product of respective variances, is used for the recognition of buried charges.
概率成像方法是利用测量的地面电场与电场扫描函数进行归一化的互相关运算，从而对地下电荷进行定位。 - The algorithm made a set of cross-correlation function of the MIMO act as the target function of neural decoupler, and adopted mixing genetic algorithm to train neural decoupler online.
该算法定义了一组MIMO过程的互相关函数作为神经网络解耦器的指标函数，采用混合遗传算法在线训练神经网络。 - Online learning algorithm of Neural Network Decoupler, which based on MIMO cross-correlation function, is proposed on the frame of distributed decoupling system.
在分散解耦的系统框架上，提出了基于MIMO过程互相关函数的神经网络解耦器在线学习算法。 - A fast algorithm of such a method may be realized by Fast Fourier Transform ( FFT), which calculating speed is as fast as that of the method of estimating the time delay by cross-correlation function.
该计算法可以通过FFT变换实现其快速算法，与互相关函数时间延迟估计算法计算速度相当。 - In terms of speech properties, the method is based on multi-scales energy distribution and the cross-correlation function of the reconstruction digital speech signal in the different scales. Therefore, authors can keep track with the energy change along speech duration to check start-end points.
该方法利用（数字）语音信号的多尺度能量分布特性和不同分辨率下重构语音信号的相关特性来刻画（数字）语音信号，从而在噪声中检测出语音信号的端点。 - By this algorithm, the impulse response of an adaptive filter from. an auto-correlation function and cross-correlation function of reference input and primary input is first estimated, and then using singular value decomposition of matrix, the coefficients of the filter is obtained.
该算法先由参考输入的自相关函数及参考输入与主输入之间的互相关函数，估计出自适应滤波器的脉冲响应，然后由矩阵的奇异值分解定理计算滤波器的系数。 - A computer simulation for phase aberration correction is conducted, based on the method of partial array reference, cross-correlation as cost function.
本文应用互相关技术在阵元接收射频信号信噪比（SNR）不同情况下，对部分阵元参考法校正超声成像相位畸变进行了仿真实验。 - Different from the traditional method of estimating seismic attenuation based on the waveform of single event, we regarded a series of events as an equivalent one, and obtained seismic attenuation on the basis of cross-correlation function between source and signal recorded at distance.
与传统利用单事件波形求介质衰减的方法不同，我们提出一种以一系列事件为源，以源与远处记录波形的互相关函数为基础计算介质品质因子的方法。 - The NCCFPDA ( Normalized Cross-Correlation Function Pitch Detection Algorithm) is studied and improved in this paper.
研究和改进了一种基于归一化互相关系数的基音检测方法（NCCFPDA）。 - By using the output signals of the Reticon detectors attached to the Lower Latitude Meridian Circle, two methods, moment method and cross-correlation function method, are used to analyze the precision of positional measurement.
利用低纬子午环上配备的Reticon探测器的输出信号，采用重心方法和互相关分析方法分析测定了Reticon用于位置监测的精度。 - By means of pseudo-random features of the chaotic sequence, the security of chaotic sequence is analyzed through the calculation of auto-correlation function and cross-correlation function combing with the Lyapunov exponent.
并利用混沌序列的伪随机特性，通过计算映射的自相关函数、互相关函数等随机数值特性，结合Lyapunov指数，分析了混沌序列的保密性能。 - With introduction of cross-correlation items between outputs of different equalizers in the cost function, channel distortion is compensated, ISI and MUI are restrained.
通过在代价函数中引入不同均衡器输出的互相关项，在一定程度上补偿了信道畸变，抑制了ISI和MUI，接收端能够有效恢复发射天线的发送信息。 - A property of the proposed zero correlation zone sequence pair set is that the cross-correlation function between two arbitrary sequence pairs which belong to different subsets has quite a large zero-cross-correlation zone.
此种方法所构造的零相关区序列集具有一个特性，即两个不同子集的序列偶的互相关函数有较大的零相关区。 - The noise and vortex signal are distinguished according to the cross-correlation curve based on the normalization of the cross-correlation function of noise signal and the vortex signal.
通过对噪声互相关函数和涡街互相关函数进行归一化，并根据归一化的互相关曲线分辨出噪声信号和涡街信号。 - For shadow detection and removal, a cross-correlation function method is used.
针对阴影的检测与去除，论文采用了基于互相关函数法，并通过实例验证了算法的可靠性和有效性。