取代单个值,随机变量拥有描述估计值可能性的函数,该函数称为变量的概率分布。
Instead of this single value, a random variable has a function that describes the likelihood of values for the estimate and is called the variable's probability distribution.
该区间估计中包含了目标函数的一个最优估计值。
This estimated interval contained an estimated value of goal function.
本文得到了EHS (C)中函数妁对数导数的积分平均估计及一类系数泛函数估值。
In this paper we obtain integral mean bounds of logarithmic derivatives and estimates of coefficient functionals for functions in EHS (c).
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 simple algorithm for frequency offset estimation is proposed, which estimates the frequency offset with the periodogram and the correlation function of the observation samples.
本文中给出了由脉冲响应序列值求其传递函数参数和阶的最小二乘估计方法。
In this paper, the least square estimation method is presented, in which impulse transfer function parameters and orders are derived from impulse response sequences.
通过相隔固定的帧差值阅值化得到背景样本值,并采用高斯核密度估计方法计算背景灰度的概率密度函数。
The background samples are chosen by thresholding inter-frame differences, and the Gaussian kernel density estimation is used to estimate the probability density function of background intensity.
利用码间串扰量的度量准则,对不同的成形滤波函数研究了插值滤波器的参数优化估计及其抗时钟抖动性能。
By using the measure criterion of intersymbol interference, the parameter optimization and robustness of timing jitter of interpolation filter for a few kinds of shaping functions has been studied.
给出了具有线性分母的有理三次样条函数的误差估计,并在柱面坐标系下对一类空间闭曲线的插值问题进行了研究;
The error estimation of rational cubic spline with linear denominators is given, and then the interpolation of a kind of space closed curves under cylindrical coordinate system is investigated.
该方法利用阶跃输入信号获取非线性增益的强一致性估计;利用不同幅值的周期脉冲输入信号获取线性子系统脉冲响应函数的强一致性估计。
The nonlinear gain and the impulse response functions of linear subsystem be obtained by using the step-changeds and cyclic impulse with different amplitudes as input signals.
计算机仿真和实验验证的结果表明,改进型三次样条函数插值可以给出足够精度的估计结果。
It will show that the improved spline interpolation can give the estimate result in enough precision. The approach is implemented and validated by computer simulation and experiment.
提出了一种自适应变步长恒模盲均衡算法,利用剩余误差信号的自相关函数估计值作为控制步长的因子来自适应改变步长的大小,克服了恒模算法存在的固有缺陷。
A new variable step-size CMA blind equalization algorithm is introduced to conquer the defects of CMA, in which the step size is controlled by the estimation of error signal's autocorrelation.
为了估计剪力对梁变形的影响,在集中力作用下梁内剪力用一个单值连续的反三角函数表示。
To evaluate the effect of shear on deformation of beams, shear in beams under the action of a concentrated load is expressed in terms of a single-valued continuous inverse trigonometric function.
并从减小栅栏效应带来的幅值估计误差的角度,设计了一个具有平顶窗谱的窗函数,分析对比了它和矩形窗函数的性能差异。
A window function which has a flat top in frequency domain is designed to correct the amplitude error caused by Picket_Fence effect.
首先求出acf和其凸包的差函数,然后搜索差函数的最大值,从而得到进动周期的估计值。
The difference function between the ACF and the convex hull is obtained, and then the precession period is estimated by searching for the maximum value of the difference function.
然后对窄带雷达回波采样序列进行相位匹配变换,搜索匹配函数的最大值,从而得到质心位置参数的估计值。
The phase matching transform is performed on the sample series. of narrow-band radar echo, and the centroid position parameter is estimated by searching for the maximum value of the matching function.
讨论单个凸守恒律初边值问题的粘性消失法的整体误差估计 ,其中初始值和边界值分别是递减和递增的具有有限个间断点的分段常数函数 。
This paper is concerned with an initial-boundary problem of nonconvex scalar conservation laws with two pieces of constant initial data and constant boundary data.
讨论单个凸守恒律初边值问题的粘性消失法的整体误差估计 ,其中初始值和边界值分别是递减和递增的具有有限个间断点的分段常数函数 。
This paper is concerned with an initial-boundary problem of nonconvex scalar conservation laws with two pieces of constant initial data and constant boundary data.
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