Signal levels depend entirely on the chips involved.

信号电平也全部依赖与其所在的芯片。

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The 4D means four data symbols (two bits), the PAM5 is Pulse Amplitude Modulation with five signal levels.

4D指四个数据符（2比特），PAM5表示分5个层级的脉冲幅度调制。

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"Full scale" refers to the converter could reach the "digital overload" maximum before the encoding analog signal levels.

“满刻度”是指转换器可能达到“数字过载”之前的最大可编码模拟信号电平。

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Forte features a colour OLED (Organic LED) display to indicate input and output signal levels, mic preamp gain and other useful information, with stylish motion graphics giving you detailed visual information.

ENGADGET: Focusrite launches Forte, 24-bit / 192kHz portable audio interface (video)

According to Navsys, the company that developed JLOC, it involves a network of GPS receivers capable of detecting regions of higher than normal signal levels and low signal-to-noise ratios, either of which can indicate interference.

ECONOMIST: GPS jamming

Baynote attempts to go beyond the clickstream by incorporating data from scrolling, time spent on a page, and other factors that signal high levels of engagement with a product or piece of content.

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