查询词典 cross correlation

Through data processing arrangement and cross correlation function calculation designed on PC,flight time spectra of 252Cf Source fission neutron and gamma ray can be obtained.

实验结果表明，该系统可以获得252Cf自发裂变中子源的中子、γ射线飞行时间谱，与经典的飞行时间谱测量方法相比较，其图谱表达及数值结果有着很高的吻合度。

And the cross correlation function is approximately zero, which makes them suppress the disturbances due to the other users. After describing some basic knowledge of chaotic theory in chapter 2, we interview and classify the applications of chaos in communications including chaos secure communication, chaotic spreading codes for multi-user access in spreading spectrum system and chaotic modulation and demodulation in chapter 3. FM-DCSK system with non-coherent demodulation offers the best performance in chaotic modulation schemes.

在混沌调制方案中， FM-DCSK调制是一种极具竞争力的混沌调制方式，它克服了CSK、COOK、DCSK解调中存在的估计问题的缺点，在无线信道的传输过程中，可以很好的抑制噪声干扰与多径衰落，并且能获得非常优越的解调性能，加上混沌信号本身优越的保密性能，该调制方式在未来的无线通信领域存在着巨大的潜在优势。

A frequency domain poly reference modal identification method under operational conditions was presented on the basis of the cross correlation function of measured responses to solve the only output problem.

针对工程实际情况，从实测响应间的互相关函数入手，推导出适用于工作状态下的频域多参考点模态识别法，然后采用一飞机模型对该方法进行了试验验证。

In order to improve the accuracy, an idea raised on the interview is how the monthly increasing numbers of the customer impact the traffic of incoming call to the center. Collecting the monthly data from the Ministry of Communication, data covering the period of May 2000 through December 2001. Originally constructed the forecasting model with transfer function, the cross correlation function technique is demonstrated to the customer-traffic relationship, with particular focus on the customer lag structure. The result shown that the numbers of the customer in the third month will significantly effect upon the present call volume .

为了增加预测的精确度，从访谈得一假设在过去1、2个月新成长的客户数将对当月的话务量变化造成影响，所以从交通部统计处搜集TCC客户成长月资料，资料区间从民国八十九年五月至九十年十二月，欲建立电信公司的用户数成长数与服务电话的话务量变化之转换函数模式，但是以交叉相关函数方法显示的结果却是未来三个月预期的客户成长数将会对当月份的话务量变化造成显著的影响，以此作为本研究的发现。

In this study, we use LabVIEW programming language of PC-Based to carry out the reduction of actively noise with theoretical equations of acoustic feedback cancellation and incorporate Filtered-X LMS algorithm. Furthermore, it was to verify that the reliable of simulation and analysis for the processed of signal by the concept of cross correlation function.

而本研究中采用PC-Based作为控制处理器，透过LabVIEW图控程式实现消除声场回授的理论方程式，并且加入到Filtered-X LMS演算法则，当作控制器的输入讯号进行实验测试，以实现主动式噪音的消除，并且也同时验证本文中使用交互相关函数概念，辨识是否使用转移函数分离法之讯号模拟分析的可靠性。

These two change are cross correlation, supplement each other.

这两个转变是互相关联、相辅相成的。

Therefore introduces the theory of cross correlation technique and its applications in weak signal detection.

为此，介绍一种互相关处理技术的基本原理及在检测弱信号中的应用。

Both it is the relation with cross correlation, influential each other.

两者是互相关联、互有影响的关系。

This chapter also discusses a new DPSD algorithm based on cross correlation. The performance of the algorithm and its relationship with the main parameters of the algorithm is also analyzed.

本章同时提出了一种新的基于互相关运算的DPSD算法，分析了算法的性能及其与算法主要参数的关系。

What is more, its repeatability originated from GPS satellite orbiting cycle is also discussed using cross correlation approach.

多路径效应多天间的重复性是它的重要特征之一，它也构成对多路径效应的分析和识别的判据。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。