noise variance的例句大全

A Target Tracking Filter with Unknown Time-varying System Noise Variance

一种带未知时变系统噪声水平的目标跟踪滤波器

Non-local Means Image Denoising in Wavelet Domain with Unknown Noise Variance

噪声方差未知的小波域中非局部均值图像去噪

The threshold of each leaf is calculated through the variance of each and the estimated noise variance of the entire image.

通过每一叶节点以及整个图像的噪声的估计方差变化计算叶节点阈值。

Dynamic compensation based on noise variance estimation and model reference for sensors

基于噪声方差估计和模型参考的传感器动态补偿

With covariance matching technique and innovation information of filtering, the noise variance is dynamically adjusted and the mean square error of the fusion system always keeps minimum.

该算法采用协方差匹配技术，依据滤波新息，动态调整测量噪声方差，使融合系统的均方误差始终最小。

According to the characters of CBCT image, we proposed the noise variance estimation formula.

根据CBCT图像的特点，提出了适合CBCT图像的噪声方差估计公式，使其更适合CBCT图像噪声的去噪。

A new filtering approach is proposed for calculating the variance of adaptive adjustment process noise.

介绍一种自适应调整过程噪声方差的滤波计算新方法.

The unknown target acceleration is regarded as additive process noise, and the time-varying variance of the overall process noise is computed with a fuzzy system, and GA is used to optimize it.

它将未知的机动加速度看作附加过程噪声，全部过程噪声的时变方差用模糊系统来估计，并用遗传算法对模糊系统进行优化。

spatial variance of traffic noise was observed, which was caused by unbalanced development of urban districts of beijing.

城市各部分发展的不平衡导致车流量、车型、路况的差异，也使得交通噪声在空间上差异明显。

allan variance caused from flicker phase noise

闪烁相位噪声引起的Allan方差

but the constant value in the allan variance formula due to flicker phase noise given in some literatures is quite different.

但对闪烁相位噪声所引起的Allan方差公式中的常数，许多文献给出的数值相差很大。

under limited-band condition the precise solution of sampling variance with n-samples for frequency flicker noise in the frequency sources

带限条件下频率闪烁噪声N样本抽样方差的精确解

rutman proposed a method to distinguish between white phase noise and flicker phase noise by means of band pass filter variance.

Rutman于1974年提出用带通滤波方差区别调相白噪声和调相闪变声噪。

Poor signal to noise ratio commonly resulted from real test shot gathers has influences on difference directly obtained shooting parameters variance;

3通常实际实验炮集数据内具有较低的信噪比，影响直接获得激发参数变化的差异；

For the moving object, the process of radar measurement error is an unstable random course with equal value trend and time variance. The part of White Noise describes the Machine Heat Noise that received by radar.

对于运动目标，雷达测量误差过程是一个具有均值趋势和时变方差的非平稳随机过程，白噪声部分描述的是雷达接受的机热噪声。

it is also pointed out that the allan variance formulas in some literature [ 3,8,9-11] for calculating the flicker phase noise are improper.

本文还指出了，文献[3,6,9～11]在计算闪烁相位噪声的Allan方差公式的不妥之处。

Allan variance estimated by simulated noise and calculated theoretically using power law model are well matched.

采用白噪声通过FIR滤波器 的方法近似地模拟了闪烁噪声.模拟相噪得到的Allan方差估计值与幂律模型得到的Allan方差理论值符合得较好.

theoretical calculation shows that this method is reliable and effective in suppressing noise, estimating response function, and analysing noise and variance.

通过对理论合成数据的计算表明，该方法在抑制噪声、作出对响应函数的估计，特别是在作出噪声及方差分析方面是一可靠而有效的方法。