Additive Noise

the problem of estimating the parameter of a linear frequency modulated signal embedded in additive noise is considered.

研究了加性噪声中线性调频信号的参数估计问题。

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when the blurring function and additive noise act on matching matrix, the searched image is produced.

模糊函数与加性噪声共同作用于匹配系数矩阵产生待搜索图像。

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experimental results show that the scheme is robust to rst attacks as well as compression, filtering, cropping and additive noise.

实验表明，该方案对RST（旋转、放缩以及平移）、剪切等几何攻击具有很高的鲁棒性，对压缩、滤波和加噪声等常见的图像处理也取得了很好的效果。

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in undecimated wavelet subbands, for a given look number this algorithm can concisely and efficiently estimate local additive noise variance.

在非下采样小波子带上，视数给定时该算法可以简洁有效地估计局部加性噪声方差。

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this paper proposes two methods for speech recognition under the additive noise environment, namely dynamic adaptation multi model spectral subtraction and multi model spectral addition.

针对语音识别中的加性噪声进行研究，提出了动态自适应多模板谱减法和多模板谱加训练补偿法。

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the scientist analyzed the measurements with the additive noise.

科学家分析了带有加性噪声的测量结果。

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performance analysis of cyclic estimators for harmonics in multiplicative and complex additive noise

乘性和复加性噪声中复谐波的循环估计量的性能分析

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the problem of two dimensional nonlinear self coupled harmonics in multiplicative noise and additive noise is analyzed by two dimensional cyclic statistics.

利用二维循环统计量方法对二维平稳乘性噪声与二维平稳加性噪声共存情况下的二维谐波的自耦合问题作了分析。

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this paper describes the effect of additive noise and convolution noise on speech data and gives a blind environmental compensation method to improve environmental robustness.

本文讨论了环境加性噪声和卷积噪声对语音数据的影响，以及提高系统的鲁棒性的盲的环境补偿方法。

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a method named spectral and cepstral joint adjusting was proposed in order to jointly compensate for the channel mismatch and existence of additive noise in speech recognition.

频谱和倒谱的联合调整方法，用于对语音识别中信道差异和背景噪音的存在进行联合补偿。

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the physical meaning of the additive noise perturbed generalized j sets was expounded.

阐述了加性噪声扰动的广义J集的物理意义。

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the goal of signal denoising is to recover the original signal from noisy signal corrupted by additive noise.

信号降噪的目的是从被加性噪声污染的信号中还原原始信号。

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due to coherent accumulation, this method is high in resolution and is robust to additive noise.

由于采用了全回波相干积累，该方法具有较高的分辨率和抗加性噪声性能。

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A UWA channel model including the time-varying fading, multipath and additive noise is built.

建立了包括时变衰落、多途和加性干扰的水声信道模型。

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one possible application of this method is the separate estimation of the spectra of a single and additive noise, based on autocorrelation of signal plus noise.

此方法的一个可能应用是分别估计信号和加性噪声的功率谱。

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as a practical application of such basis vectors, a novel image denoising method based on nnsc shrinkage technique to reduce gaussian additive noise was proposed.

作为对特征基的一个实际应用，提出了一种新颖的用非负稀疏编码收缩技术消除自然图像中的高斯加性噪声的方法。

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the frequency extraction of the coherent pulse signal in additive noise was studied, and a new algorithm was proposed for the frequency estimation.

本文研究了噪声干扰下的相参脉冲信号频率提取问题，提出了一种新的频率估计方法。

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Generally image noise includes multiplicative noise and additive noise.

图像噪声的模型主要分为加性噪声和乘性噪声。

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an optimal approach for enhancing a speech signal degraded by uncorrelated stationary additive noise, which exploits auditory perception properties, is proposed.

利用听觉系统的掩蔽特性，提出了一种优化的语音增强方法。

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second, a special 2-d the fourth-order time-average moment spectrum is defined to estimate frequency in zero mean multiplicative and additive noise.

定义了特殊的二维四阶时间平均多矩谱来估计信号频率。

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this paper considers the single record estimators for cumulants of sinusoids in additive noise.

本文讨论有噪声污染的谐波信号累量的单一记录估计。

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in the process of images, wavelet theory is used for denoising the image. this method is useful for additive noise. the precision of detection can be improved.

在图像处理的过程中我们采用小波理论进行降噪处理，并进行了实验研究，证明采用小波理论能有效地去除图像中的加性噪声，改善图像的质量，可以提高检测的精度。

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harmonic signal reconstruction by the symmetrical correlation function from additive noise

基于对称相关函数法的谐波信号重构

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the improvement of accuracy is not affected by additive noise and geometric distortion.

而且，精度的提高能够不受加性噪声和几何失真的影响。

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according to the relationship between the image and the noise, the noise model is mainly divided into additive noise and multiplicative noise.

根据图像和噪声的关系，噪声主要分为加性噪声和乘性噪声，本文主要针对图像中的加性噪声分别采用概率统计模型的方法和变分的方法进行去噪。

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cyclic statistics based approach to harmonic retrieval in multiplicative and additive noise

乘性和加性噪声中谐波恢复的循环统计量方法

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as for the existence of both the stronger additive noise and average multiplicative noise, this paper presents a combined algorithm.

针对既有加性噪声，又有乘性噪声，且加性噪声较强的情况，提出了红外焦平面非均匀校正的综合处理算法。

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the effects of the additive noise on the ild are discussed.

讨论了输入附加噪声对注锁分频器特性的影响。

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for the seismic prospecting data with additive noise, it has been put up to deal with the data using the chaotic oscillator system.

针对地震勘探资料中存在加性强随机噪声干扰，已经提出用混沌振子系统处理的方法技术。

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The noise characteristic of the train wheel set vibration signal is researched through spectral correlation density function based on the auto-correlation function analysis of additive noise.

以列车运行过程中最常见的加性噪声为例，分析了循环自相关函数的降噪效果。继而研究了谱相关密度函数对列车轮对振动信号中常见噪声分量的降噪特性。

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