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单词 Random noise
释义

Random noise

英语例句库

This paper presented a new approach for stacking velocity analysis, and discussed the principles, procedure, applicability, and applications of suppression of prestack random noises and outlie...

提出了一种新的叠加速度分析方法,并详细描述了基于这种新的叠加速度分析进行叠前随机噪音衰减和野值压制的原理、实现步骤、应用条件以及应用效果。

原声例句
每天听一点新鲜事

The effect of a Gravitational Wave is so minuscule and easily confused with random noise you need a smart data analysis technique.

引力波产生的影响如此之小,轻易会被随机噪声淹没,于是我们需要智能的数据分析技术。

我的频道

Scientists used to think that barking is a random noise without any specific information or content.

科学家总是认为狗吠只是随意的声音并不具备任何明确的信息或内容。

SciSHow 快问快答小科普

This messed-up signal will correspond to some random sound or pixel, so you hear a random noise or see a small glitch.

这个混乱的信号将对应于一些随机的声音或像素,所以你会听到随机的噪音或看到一个小故障。

PBS趣味科普

It's pretty awesome that in a system that seems like random noise—bouncing sand, it's like the physical version of TV static—even there, patterns do, in fact, exist.

非常棒的是,在一个看起来像随机噪音——弹跳沙子——的系统中,它就像电视静电的物理版本——即使在那里,模式也确实存在。

TED-Ed(视频版)

The answer lies in a statistical method scientists often use to try to figure out whether their results mean something or if they're random noise.

答案在于科学家经常使用的一种统计方法,试图弄清楚他们的结果是否有意义,或者它们是否是随机噪声。

世界新知聚焦:科学

Participants who had initially reported more hallucination-like experiences were also more likely to report faces in the flashes of random noise. They were also better at identifying those images that contained face pareidolia.

在测试前的询问中曾反映有过更多类似幻觉经历的参与者,更可能在一闪而过的图片中识别出人脸。 他们也更善于识别出那些包含人脸的幻想性视错觉图像。

世界新知聚焦:科学

Your brain may also add faces to images of random noise. Research has shown that patients who experience visual hallucinations are more likely than normal to experience pareidolia — see faces in random shapes, for instance.

大脑还会使人在随机噪声图像(就像电视机的雪花屏一样)中看出人脸。 研究表明,幻视病人比正常人更容易出现幻想性视错觉——比如,他们会在各种随机图形中看出人脸。

SciSHow 快问快答小科普

Back in the day, if you tuned your TV so it was in between broadcasting channels, then you’d really notice those other sources of radiation — they’d create random noise and changing pixels on your screen.

回到过去,如果您将电视调到广播频道之间, 那么您就会真正注意到其他辐射源——它们会在屏幕上产生随机噪声和不断变化的像素。

中文百科

杂讯 Noise (electronics)

(重定向自Random noise)

杂讯Noise),指当信号在传输过程中,会受到一些外在能量所产生信号(如杂散电磁场)干扰,这些能量即杂讯。杂讯通常会造成信号的失真。其来源除了来自系统外部,亦有可能由接收系统本身产生。杂讯的强度通常都是与信号带宽成正比,所以当信号带宽越宽,杂讯的干扰也会越大。所以在评估杂讯强度或是系统抵抗杂讯能力的数据,是以信号强度对杂讯强度的比例为依据,此即信噪比。

英语百科

Noise (electronics) 杂讯

(重定向自Random noise)
Analog display of random fluctuations in voltage: e.g., pink noise.
Image de l'écran d'un analyseur de spectre montrant le niveau du bruit de fond.

In electronics, noise is a random fluctuation in an electrical signal, a characteristic of all electronic circuits. Noise generated by electronic devices varies greatly, as it can be produced by several different effects. Thermal noise is unavoidable at non-zero temperature (see fluctuation-dissipation theorem), while other types depend mostly on device type (such as shot noise, which needs steep potential barrier) or manufacturing quality and semiconductor defects, such as conductance fluctuations, including 1/f noise.

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更新时间:2025/6/21 4:25:41