The signal will be converted into digital code.

信号将被转变成数字编码。

《柯林斯英汉双解大词典》

This is a signal that something in the project code needs to be fixed quickly.

这是一个信号，说明项目代码中有些地方需要马上改正。

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The code in Listing 8 implements a signal handler to deal with the incoming SIGCHLD signal.

清单8中的代码实现了一个处理传入的SIGCHLD信号的信号处理程序。

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In the future, we hope that a global army of open-source code developers, students and other experts in digital signal processing, as well as citizen scientists willing to lend their intelligence to our exploration, will have access to the same technology and join our quest.

CNN: What if there's somebody else out there?

Pulse-code modulation is simply a way of representing the analog electrical signal, in digital form.

ENGADGET: Primed: digital audio basics Mobile

They could be used to make cheap radio-frequency identity tags in essence, printable bar-codes that transmit an identifying code in response to a pulsed radio signal.

ECONOMIST: Just press print