random noise

CRA is better than other methods for suppressing random noise on keeping amplitude.

就保幅能力而言，该方法优于其它压制随机噪声的方法。

In order to eliminate the impact imposed by random noise, the number of DCT coefficient sign changes caused by the noise is modeled as Gauss distribution, which can determine a threshold of motion blocks.

为了消除随机噪声带来的影响，将其引起DCT系数块符号变化数目模型化为高斯分布，以此确定运动块阈值。

And the algorithm is insensitive to the random noise when the weight function is an odd function of gray of an image.

当权函数是图像灰度的奇函数时，该算法对图像的随机噪声不敏感。

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。

In order to more close to actual electrical signals, joining the even number harmonics and random noise also.

为了更接近实际电网信号，还加入了偶数次谐波和随机噪声。

Therefore this paper will discuss a method of near offset stack and compare its results with those of full offset stack, indicating that near offset stack can preserve high frequency and suppress random noise.

文中讨论了少道叠加方法，对少道叠加和满覆盖叠加的结果做了分析和对比，认为少道叠加既可以保护高频信息，又可以压制随机噪音。

Modeling MEMS gyros random noise based on à trous algorithm

基于àtrous算法的MEMS陀螺仪随机漂移建模

Since it is" in phase stack", the reflecting signals are strengthened, the random noise is rejected and the signal noise ratio is improved effectively.

由于是同相叠加，所以反射信号得到加强，随机噪声受到压制，有效地提高地震资料的信噪比。

A method for singularity extraction from pulse response with large random noise

一种在大随机噪声下提取奇点的方法

Adaptive Filtering of Random Noise and Its Application in Radar Target Discrimination

自适应噪声对消及其在雷达目标识别中的应用

The random noise of the two kinds of jets increase both as the exit Reynolds number and the distance away from the nozzle exit.

两种射流的随机噪声均随射流出口雷诺数和离开喷嘴出口的距离的增加而增加。

Results Random noise of the signal is depressed and ventricular late potential is enhanced after time sequence adaptive filtering.

结果时序自适应滤波器能有效地降低信号中的随机噪声，滤波后心室晚电位信号得到了相对增强。

In the fourth chapter, we investigate the resolution in second-order and third-order correlated imaging with thermal light, and discuss the noise caused by the classically random fluctuations of the thermal source.

第四章介绍热光的二阶和三阶关联成像中的分辨率以及由于热光经典随机涨落而引起的噪声。

This paper discusses theoretically the problem of recovering true amplitude of sign-bit seismic recording. It gives respectively the error formulas in recovering true amplitude when probability density of random noise is in uniform distribution and in normal distribution.

本文从理论上讨论了恢复符号位地震记录真振幅的问题，分别提出了随机噪声的概率密度呈均匀分布和正态分布时恢复真振幅的误差公式。

Signal to Noise Ratio ( SNR ) : The ratio of the signal to the random noise setdata.

全炉膛火焰的燃烧过程伴随着大量动态的随机噪声,这些噪声信号必须消除.

We find that all the results are quite different between each original EMG and its ten surrogate data, i.e. EMG is not a linear random noise, but a nonlinear deterministic signal ( though it does not like a low dimensional chaos).

也就是说，肌电不是线性随机的噪声，而是非线性的确定性信号（尽管它并不象是低维混沌）。

Being different from the existing measurement method for A/ V delay, the system does not produce random noise to interfere audio test, and does not need video test signal to interrupt live program.

与现有测定A/V延时的方法不同，它不存在干扰音频测试的随机噪声，也不需要中断实际节目的视频测试信号。

Reduction of random noise for seismic data by time-frequency peak filtering

用时频峰值滤波方法消减地震勘探资料中随机噪声的初步研究

The theory of distribution of peaks in normal random process has been expanded to calculate the spatial distribution of environmental noise peaks.

本文将正态随机过程的峰值分布理论推广到环境噪声峰值的空间分布的计算上。

Correlated random series is the mainly tool for describing the property of random noise, clutter and jamming, which is widely used in satellite communications, normal radar and spaceborne radar.

相关随机序列是描述随机噪声、杂波和干扰的主要工具，在卫星通信、常规雷达及星载雷达中有着重要应用。

When applied in airborne imaging surveillance, UWB random noise radars have their special merits.

超宽带随机噪声雷达在对空成像预警的应用中有着独特的优势.

It is proved by tests that injection of this pseudo random noise can eliminate dynamic lock in error effectively.

结果表明：动态闭锁误差因该随机噪声的注入而消除。

Thermal noise and wind gust are the most significant random disturbances to radar angle tracking.

热噪声和阵风是雷达角跟踪系统中的两个主要随机干扰源。

Consequently, the turbulence is composed of the deterministic chaos and the random noise, where the motion of large eddies in the turbulence follows the rule of chaotic motion and the random noise arises from the random motion of small eddies in the turbulence.

由此可见，湍流可分解为确定性的混沌和随机噪声两部分，其中湍流中大涡的运动遵循混沌运动规律，而湍流中小涡的随机运动构成了湍流的随机噪声。

Random noise is one of the key problems in the optoelectronic tracking systems.

噪声是光电跟踪系统的一个关键问题。

A True Random Number Generator by Sampling Thermal Noise Source

真随机数发生器的设计和实现