峭度是随机变量非高斯性的一个经典度量。
Kurtosis is a classical measure of non-Gaussianity of random variable.
通过新息的计算减少观测数据间的冗余进而增加了潜在分量的非高斯性。
The fundamental mechanism of innovation model was to reduce the redundancy among the observed samples, thus it could increase the nonGaussianity of the latent components.
这种非高斯性产生自迁移动力学机制,因此通过非高斯性分析,可以从噪声中提取电迁移相关动力学信息。
The non-gaussian noise origined from the danamical mechanism , so electromigration danamical information can obtained from non-gaussian analysis of the danamical parameter .
该算法根据支持向量域数据描述本身的特点,利用非高斯性来测量核空间样本接近球形区域分布的程度,并根据此测量结果来优化核参数。
According to the characteristic of SVDD, the proposed algorithm utilizes the non-Gaussian to measure how kernel samples approximate to a spherical area, and then optimize the kernel parameter.
高斯相关性创造了某种金融炼金术,使得高风险的住房抵押贷款和信用卡债务看起来象AAA级的黄金。
The Gaussian cupola created the sort of financial alchemy that made high-risk mortgages and credit card debt look like triple-A rated gold.
从试验结果看,两种算法能够抵抗JPEG压缩以及高斯噪声等信号处理的攻击,且改进后的算法水印鲁棒性及保密性得到了增强。
The experimental results show that both of them can resist signal distortions such as JPEG compression, Gauss noise, and the improved algorithm has better robustness and security.
最后通过定义一个特殊的四阶累积量提取加性高斯有色噪声中的方向角、多普勒频率。
A special four order cumulant was defined to extract DOAs and Doppler frequencies from additive Gaussian colored noise.
实验分析可以看出,算法对各种常用的内容保留操作(重采样、高斯白噪声、压缩等)具有较强的鲁棒性,而对恶意篡改非常敏感。
Experiments show that the algorithm is robust against several operations, such as resampling, white noise addition, compression and so on, and is sensitive to malicious tampering.
该算法既可应用于冲激噪声下,又可应用于高斯噪声环境,故具有较好的鲁棒性。
This approach can be applied in the impulse noise case or in the gauss noise case, hence it possesses the better robust property than the conventional methods.
实验结果表明,该水印检测器不仅对旋转、平移攻击有很强的抵抗能力,而且对随机高斯噪声也具有良好的鲁棒性。
Experimental results show that this watermark detector has not only the good robustness to Gaussian noise, but also the very strong resistant ability to translation and rotation attacks.
高斯束谐振系统对同频率的高频遗迹引力波具有很好的谐振性,这为高频遗迹引力波的探测开启了一个窗口。
Gaussian beam resonance system, which has very fine resonance to relic high-frequency gravitational waves (HFGWs) at the same frequency, opens a window for detection of relic HFGWs.
本文提出了一种在加性复高斯白噪声中对单频复正弦信号频率的估计方法。
A method for estimating the frequency of a complex sinusoid in additive complex white Gaussian noise is proposed.
模拟结果证实了高斯平稳场-马尔可夫场的正确性和谱模型的有效性。
The results show the correctness of Gaussian stationary field-Markov field and the validity of spectral model.
通过基于重要性采样和蒙特卡罗模拟方法得到一高斯分布来近似未知状态变量的后验分布。
A single Gaussian distribution is obtained to approximate the posterior distribution of state parameters based on sequential importance sampling and Monte Carlo methods.
进一步,通过对激光光束测量和高斯曲线拟合,验证了所提出方法的有效性。
Further, through the measurement of He-Ne laser beam and Gaussian fitting, the mentioned method is validated.
针对非线性、非高斯系统状态的在线估计问题,本文提出一种新的基于序贯重要性抽样的粒子滤波算法。
In this paper, a new particle filter based on sequential importance sampling (SIS) is proposed for the on-line estimation problem of non-Gauss nonlinear systems.
计算机模拟表明,在加性高斯噪声下,使用该神经网络可以达到最大似然译码。
The computer simulation shows that the decoder can achieve maximum likelihood decoding in the environmemts of additive white Gaussian noise.
近似性之二,则是将泊松问题近似地看作高斯分布问题。
The second is to regard the Poisson distribution as a Gaussian distribution approximately.
针对加性高斯有色噪声背景下的一维、二维线性调频信号的参量估计问题,引入高阶统计量,提出了一种基于四阶累积量的新方法。
For the problem of parameter estimation of one dimensional and two dimensional chirp signal in additive colored Gaussian noise, a new method based on fourth-order cumulant is proposed.
从高斯噪声中高斯信号的检测原理出发,对相关性检测器进行了理论分析。
Based on the Gaussian signal detection principle under Gaussian noise, the correlation detection is analyzed in theory.
本文将对一类非线性t - S模糊系统的非线性逼近能力进行研究,证明这种模糊系统在输入模糊子集为高斯型隶属函数的情况下,具有通用逼近性。
In this paper, we will study the nonlinear approximation of a kind of nonlinear T-S fuzzy system, and prove that when the fuzzy sets are Gaussian membership functions, it has universal approximation.
近年来,对于高斯混合体em算法的收敛性研究有了新的进展。
Recently, the progress has been made on the research of the EM algorithm for Gaussian mixtures.
研究通过具有加性高斯白噪声的瑞利慢衰落电离层信道的恒模盲均衡技术。
The constant modulus blind equalization technique is investigated over a slow Rayleigh fading ionospheric channels with additive white Gaussian noise.
本文还对奇异积分的高斯积分精度进行了计算分析,从量值上来反映高斯积分解决奇异积分的可靠性。
In the end, we calculate the precision of the gauss integral in dealing with singularity integral, which reflecting the reliability of this method.
在滤波算法中,我们用一簇高斯厄米特滤波器(GHF)来产生重要性概率密度函数。
In the new algorithm, a bank of Gauss-Hermite filter (GHF) is used for generating the importance density function.
根据信号的循环平稳特性,本文提出一种加性高斯白噪声信道中基于循环频率估计的PS K信号存在性检测算法。
A presence detection algorithm based on the estimation of cyclic frequency for Phase Shift-Keying (PSK) signals in additive white Gaussian noise (AWGN) is proposed in this paper.
算法重点考虑到成像过程中必然引入的各种噪声,用高斯分布函数模糊化直线参数,使提取具有良好的稳健性。
The new method puts emphases on dealing with all kinds of noise from the imaging process, and USES Gaussian distribution to blur parameters of straight lines in order to ensure extraction robustness.
通常假设干扰为加性高斯白噪声,但有些情况下这种假设并不合理。
The interference is often supposed to be AWGN, while in some cases it is not reasonable supposition.
通常假设干扰为加性高斯白噪声,但有些情况下这种假设并不合理。
The interference is often supposed to be AWGN, while in some cases it is not reasonable supposition.
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