We wrote a post about it on Signal vs. Noise.

关于它，我们在“信号与噪音”写了一个帖子。

youdao

From my own tests, I can submit that, yes, holding the phone in the most normal of fashions is likely to have some effect on signal.

通过亲自测试，我发现正常拿手机的方式会对信号产生影响。

youdao

The group, as if on signal, slowed to a canter along what I later dis-cerned to be well-established deer trails that served the denizens of the woods.

这群人像是收到信号似的放慢脚步，在一条小径上小跑而行，我后来发现这是一条开辟好了的鹿道，供森林里的居民们使用。

youdao

The computer then takes the signal and gives the driver spoken directions on how to drive the car to avoid an accident.

VOA: special.2009.11.03

And so yes, the signal that this field of discursivity is on the table is introduced by the name of the author but it remains just a name.

所以的确，这种公开的散漫性的信号,就通过作者的名字被介绍出来，而且也仅仅只是个名字。

耶鲁公开课 - 文学理论导论课程节选

The heater is on, it's producing heat until a negative signal is registered, 'oh we've gone too high', and then it turns off.

加热器会开着,一直产生热量直到它得到一个关闭的信号,噢我们弄得太热了,然后就关闭了

耶鲁公开课 - 生物医学工程探索课程节选

One of the dogs raised its head as if on signal, listened a minute with its ears up, and then put its head back down between its paws.

NEWYORKER: Beginners

My technical indicators triggered a sell signal on February 19, almost exactly at that peak, but had me and my subscribers back on a buy signal in mid-August and back into a 20% position in the gold etf GLD.

FORBES: Gold Struggles To Get Its Groove Back

On the positive side, I like gold on which our indicators triggered a new buy signal (after being on a sell signal since February 29).

FORBES: Can Central Banks Still Prevent A Global Recession?