To put it all more formally, predators need to maximise their perception of signal (their proposed meal) from the noise (the general environment); the goal of prey is to minimise that same signal-to-noise ratio.

更专业一点来说，捕食者需要将自己感知“信号”（他可能食物）能力在噪音中（一般环境中）最大化；而猎物目标是将相同信噪比降至最低。

And they would take that—1946—and they would take that telescope technology that radio astronomers had developed, and they would use that to see if they could improve the signal-to-noise of the satellites that they were seeing.

于是，他采用了——1946年——以及射电文学家所研文望远镜技术，试图利用这些技术来提升他所观测卫星信噪比。

One of the things if you sort of drop noradrenaline onto neural circuits, it will very much increase what we call the signal to noise.

如果你把去甲肾上腺神经回路中，它会大大增我所说信噪比。

Compared with traditional TIA, the experimental results show that the proposed TIA circuit has a high bandwidth, low noise, high signal-to-noise ratio, good dynamic performance and can meet the needs of optoelectronic conversion.

与传统TIA相比，实验结果表明，所提出TIA电路具有高带宽、低噪声、高信噪比、良好动态性能，并且能够满足光电转换需求。

So it's just like, you have to save the energy and watch the signal-to-noise with these people.

所以这就像，你必须节省精力并与这些人一起观察信噪比。

So we can boil this one down to rejecting paths with poor signal to noise ratios left 678 velocity measurements of 7.5 second waves and 891 of 15 second waves.

因此，我可以将这个问题归结为拒绝信噪比较差路径，剩下 678 个 7.5 秒波速度测量值和 891 个 15 秒波速度测量值。

They found that they could not improve the signal-to-noise ratio of the first telecommunications satellite.

他现无法提升第一颗通信卫星信噪比。

Plus, the goal isn't to eliminate noise completely but  to get the best signal-to-noise ratio possible.

另外，我目标不是完全消除噪声，而是获得尽可能最佳信噪比。

One thing is, we've got this, after rejecting paths with poor signal-to-noise ratios, we were I think we can shorten that just a little bit.

一件事是，我已经得到了这一点，在拒绝了信噪比较差路径之后，我认为我可以稍微缩短一点。

And so the signal to noise ratio is very different.

信噪比非常不同。

I would just say, rejecting paths with poor signal-to-noise ratios left us with.

我只想说，拒绝信噪比差路径给我留下了。

So not being able to reduce the signal or increase the signal-to-noise ratio, the noise

因此，无法降低信号强度或提高信噪比，噪音依旧存在。

After rejecting paths with poor signal-to-noise ratios, We were left with 678 velocity measurements of waves with 7.5 second periods and 891 measurements of 15 second waves.

在拒绝信噪比较差路径后，我剩下 678 个 7.5 秒周期波速度测量值和 891 个 15 秒波测量值。