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。
Meaning: The self-correlation function and power spectrum density Function of a power-typed signal compose a FT pair.
上式表明:功率型信号的自相关函数与其功率谱密度函数构成傅立叶变换对。
By using backward difference of space-time intensity correlation function with respect to time delay, the two-dimensional velocity vector of a moving diffuser can be measured.
利用远场时变散斑空-时强度相关函致的有限差商可以测量散射体运动的二维速度矢量。
A new structure damage indicator was expatiated which was obtained through calculating the correlation function of structure response under white noise.
阐述了一种新型结构损伤指数,该指数通过计算白噪声激励下结构响应的相关函数得到。
A new cost function based on the diagonalization of correlation matrices is proposed to measure the independency of output signals.
提出了一种新的基于相关矩阵对角化的代价函数作为衡量输出信号独立性的测度。
This paper proposes a new block matching criterion called the bit-correlation matching function for sequence image coding.
本文提出了一种新的序列图象编码块匹配准则——比特位相关匹配函数。
Physical meaning: the self-correlation function and the energy spectrum density function compose a Fourier transform pair.
物理含义:能量信号的自相关函数与能量谱密度函数构成傅立叶变换对。
The correlation value of an image and its template was a multimodal function, so template matching can be seen as.
图像与模板的相关值是一多峰值函数,模板匹配实质上是多峰值寻优过程。
By using the statistic properties of the correlation coefficient, a curve correlation coefficient is calculated, and then the matching point is obtained through evaluating it's derivative function.
利用相关系数在真实匹配点附近的统计特性,通过对相关系数进行曲线拟合,根据其一阶导数确定最大相关系数所在的位置,快速得到亚像素匹配点。
In the research of mixed excitation linear prediction speech coding, a new real-time normalized correlation function pitch detection algorithm is proposed.
在混合激励线性预测低速率语音编码研究中,提出了一种新的归一化自相关函数实时基音检测算法。
Multiple outputs logic function is an important tool for constructing cryptography systems, and correlation immunity is a critical criterion in designing secure logic functions.
多输出逻辑函数是构造密码系统的重要工具,相关免疫性是设计安全逻辑函数的重要准则。
The influence of errors of cam profiles on the dynamic accuracy of cam mechanism is studied using the correlation function method, and a calculation means of dynamic accuracy is given.
运用相关函数法研究了凸轮廓线误差对凸轮机构从动件动力精度的影响,并给出了动力精度的求解方法。
Both balancedness and correlation immunity is one of the most important cryptographic characteristics of a Boolean function to which have gotten many researches respectively.
平衡性和相关免疫性是函数的两个重要密码特性,但目前对两者之间的关系还没有得到很好地研究。
Resilient function is a natural generalization of correlation immunity Boolean function.
弹性函数是相关免疫布尔函数的自然推广。
A new method for passive radar MTD based on fractional correlation is presented by introducing the fractional correlation into the computation of the cross-ambiguity function (CAF).
本文将分数阶相关引入到互模糊函数的计算中,提出了一种基于分数阶相关的无源雷达动目标检测方法。
In addition, lower bounds on correlation function of such sequence set are improved, a new lower bound, for those ZCZ sequences which don't meet lower bound, is presented.
此外,这些序列相关函数的下界改善,对于那些不能达到下界的具有零相关区的序列,给出了一种新的下界。
There was a positive correlation between fibrin monomer polymerization function and scores of clinical evaluation in different degree.
脑梗死患者神经功能缺损程度评分与纤维蛋白聚合功能各项参数呈不同程度的正相关。
There is a positive correlation between cardiac autonomic nervous system impairment in patients with CRF and renal function levels.
慢性肾功能衰竭患者心脏自主神经系统损害与肾功能水平呈正相关;
Thus a problem of solving the output correlation function of nonlinear system is turned into a problem of solving an ordinary differential equation.
将求非线性系统输出相关函数的问题,变成解常微分方程的问题。
The correlation function of two dimensional electron gas with the presence of a strong perpendicular magnetic field has been studied on the basis of the wave function in small system.
本文在少粒子体系波函数数值解的基础上讨论了强磁场中二维电子气的二体关联函数。
Then, a verification of the function of the model is given according to the modeling and implement in event correlation analysis system.
通过该模型在实际的事件关联性分析系统中的建模和实现情况,对该模型的作用作出了验证。
A calculation method of correlation function anomalies of gravity horizontal gradients for corroborating the locations of faults and discovering burried faults has been introduced in this paper.
本文介绍了一种用重力水平梯度相关函数异常确定断层位置和发现隐伏断层的计算方法,并配合归一化总梯度等方法计算断层的产出位置。
A simple algorithm for frequency offset estimation is proposed, which estimates the frequency offset with the periodogram and the correlation function of the observation samples.
提出了一种频差估计的新算法,该算法结合观测序列的周期图和自相关函数进行频率估值。
A new adaptive blind source separation algorithm of non-stationary signals was presented by using natural gradient rule and time-correlation property of the source signals acting on a cost function.
基于自然梯度原则并利用信号的时间相关属性对一类代价函数进行推导,获得一种新的非平稳信号自适应盲分离算法。
The number of positive cells expressing RANTES in renal tissue of LN showed a strong correlation with kidney activity of LN, histological changes and function lesion in LN, respectively.
LN肾组织RANTES表达与肾组织活动指数、肾脏病理改变和肾功能损害显著相关。
Infiltration rate of soil and infiltration time have power function, but between the infiltration rate and soil bulk density, they have a negative correlation.
土壤入渗速率与入渗时间呈幂函数关系,但入渗速率与土壤容重呈负相关关系。
Thus, the 2-dimension cross ambiguity function is a surface form of fractional correlation for 1-dimension signals, each signal is associated with the Angle of observation over the surface.
因此,二维交叉模糊度函数是一维信号分数相关的表面形式,每一信号都与表面观察的角度有关。
Conclusion: knee pain, knee function, knee flexion deformity have a positive correlation with knee motion after surgery.
结论:术前关节疼痛、膝关节功能、膝关节活动和术前屈膝畸形与术后膝关节活动范围相关。
There was a significant correlation (P<0.01) between part test score of psychomotor function and part test score of intelligence whose test intention are same.
精神运动功能各分测验分与测量意义相同的智力分测验量表分显著相关(P<0。 01)。
On the basis of discussion about dual-relay cross correlation function, a two-dimensional correlation speed measurement algorithm based on FPGA is put forward.
在对双继电器相关函数的讨论的基础上,提出了一种基于FPGA的二维相关测速算法。
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