特别是对于所谓的配称马氏信源,我们确定了最优码的误差指数,结果也比较简单。
In a special case, the error exponent of the best code is determined completely, and the result is not too complex.
利用李亚普诺夫函数分析了误差系统的稳定性,说明误差是指数收敛的。
The stability of the error system is analyzed by a Lyapunov function, which shows that the errors are exponential convergent.
证明了在存在噪声干扰及网络设计误差的情况下,网络训练过程具有指数收敛性和鲁棒平稳性。
The exponential convergence of the training process and its robust stability to the noise perturbances and the network design errors are also proved.
定义了线性系统脉冲响应模型的相对模型误差和模型失配时的最小鲁棒指数,并在此基础上分析了各种拍控制器的性能。
Based on the definitions of the relative model error of plus response model in linear system and the minimum index of robustness, the robustness of all kinds of dot-controllers was analyzed.
给出了截尾误差公式及截尾指数选择公式。
The formulas of truncated error and truncated index are given.
根据指数波试验和计算,文中给出了XZF-900精密电阻分压器和ZRF-1200低阻尼电容分压器的冲击测量误差。
The impulse measurement errors of the XZF—900 precision resistor divider and the ZRF—1200 low damped capacitor divider are given from exponential wave tests and calculations.
根据指数波响应,可以计算数字仪的冲击响应和冲击测量误差。
According to its exponential wave responses, the impulse measurement errors of a digitizer can be calculated.
对指数平滑预报器一步预报误差序列进行实时建模和实时修正的基础上,实现对未来值的自校正预报。
The self-tuning prediction of the future value can be achieved on the basis of real time model-building and modification to the one-step predicting errors sequence in the exponential smooth predictor.
针对故障分布模型不唯一这一特点,本文提出采用图分析和误差面积比指数从定性和定量两方面确定其最优分布模型。
The model of failure distribution is not the single one, so the optimum distribution model is determined by applying method of chart analysis and error area ratio.
用含测量误差的线性模型,由植被指数(NDVI)估计稻谷产量。
Using the linear model with measurement error paddy production was estimated by means of NDVI.
对指数—正态模式结构可靠度的理论值与设计值进行比较,给出它们之间的相对误差估计。
Compares the accurate reliability value with the designed value of the reliability of the exponential distribution normal distribution model and gives the relative error.
提出一种非线性降维状态观测器设计方案,并从理论上证明了状态观测误差的指数收敛性。
A new design method of nonlinear reduced order state observer is proposed, and the exponential convergence is proved for the proposed state observer.
为了提高性能指数,该文提出了一种改进的电容误差平均技术。
An improved capacitor error averaging technique was developed to make the conversion more efficient.
提出了一种理论计算的新方法,它可根据数字记录仪的指数波响应计算冲击电压的数字测量误差。
This paper presents a new theoretical calculation method which can be used to calculate errors in digital measurement of impulses based upon the exponential wave response of the digital recorder.
本文获得了刻度指数族变量带误差情形下的贝叶斯决策,且利用解卷积的核方法构造出了经验贝叶斯决策。
In this paper, a Bayes decision rule is derived for the scale-exponential family with error in variables, and an empirical Bayes (EB) decision rule is constructed by a deconvolution kernel method.
又以预测误差平方和SSE最小为目标,构造了优选并自动生成最佳平滑参数使平滑模型得以优化的最速下降算法,增强了指数平滑模型对时间序列的适应能力。
Aiming the square sum of error (SSE), we construct the algorithm to iterate and select an optimal parameter for optimizing the new models, which ADAPTS the model to time series more.
在每个子系统能观的前提下,建立误差系统,对于任意给定的切换信号,设计观测器矩阵使误差系统指数稳定。
By constructing error systems, for any given switching law, observer matrices can be designed to make the error systems exponentially stable.
首先,对样本指数基金的跟踪误差方差进行分解,分析其历史风险水平;然后,引入压力测试,预测样本指数基金未来的风险水平。
At first, we analyze sample index funds' historical risk levels as well as their risk structure by means of decomposition of tracking error variance.
该降维观测器能保证估计状态以指数规律渐近趋近系统的真实状态,并且通过观测器增益参数的适当选取,可使状态估计误差以指定的收敛速度趋于零。
By selecting the gain of the observer, the observer can guarantee the estimated states converge exponentially to the true states of the system with arbitrary rate of convergence.
并在系统的扩张状态观测器和非线性状态误差控制器中引入非线性幂指数函数,使系统运算变得更加简单。
A nonlinear exponential function is applied to ESO and nonlinear state error feedback (NLSEF) controller, and it makes the system realize easier operation.
导出了一个内含最大敏锐指数的终点误差公式,由此获得了一个计算沉淀滴定突跃范围的公式。
Special attention has been paid to relationship between the end point error and maximum sharpness index for precipitation titration.
复制型基金完全复制策略下的跟踪误差要比增强型指数基金非完全复制策略下的跟踪误差要小;
The track error of copy fund in complete copy strategy is smaller than that of reinforced fund in incomplete copy strategy.
研究结果表明:VBSI在估算山区的植被覆盖信息上可以降低影像阴影信息的干扰,总体误差是归一化植被指数NDVI 的50%;
The results show that: VBSI may decrease the error of vegetation fraction resulted from the area of image shadow, and the error is 50% less than that from NDVI.
文章通过研究在发现套利机会后,以追踪误差最小化为目标建立指数复制的问题及其数学模型。
The paper concerns on the index replication problem after arbitrage opportunity are owned, and then a mathematical model is established to aim at minimizing tracking error.
根据感病损失量方程,病情很轻时损失甚微,经相对误差限法分析,将病情指数26定为该病的发生指标。
The developmental threshold was fixed at 26 of disease index based on the relative error margin analysis.
新算法使用时变遗忘因子对误差进行指数加权平均来估计均方误差,并使用该因子改变自适应迭代过程中滤波器系数向量的更新方向。
In the new algorithm, a time-variant forgetting factor is introduced to estimate the Mean Square Er-ror (MSE) and change the updating direction of adaptive filter coefficient vector.
通过李亚普诺夫稳定理论证明跟踪误差是指数收敛的,仿真结果验证了这种方法的有效性。
It is showed by the Lyapunov stability theorem that the tracking errors converge exponentially. The simulation results illustrate the efficiency of this method.
结合以上的分析,本人对未来两个月的上证综指做了预测,并且得出了与实际指数之间的误差。
I made a forecast of the index of the following two months in the use of the conclusion and get the error between forecast and the true value.
通过对高锰酸盐指数测定原理和方法的探讨,分析在高锰酸盐指数测定过程中产生误差的原因。
According to the discussion on the principles and methods of permanganate index determination, the causes of making errors during the course of determination have been analyzed.
通过对高锰酸盐指数测定原理和方法的探讨,分析在高锰酸盐指数测定过程中产生误差的原因。
According to the discussion on the principles and methods of permanganate index determination, the causes of making errors during the course of determination have been analyzed.
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