Digital systems use signals, which are of pulse form, that is, a series of short-duration square waves.

数字系统使用信号脉冲形成的，也就是说，一系列的短周期平方波。

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Pulse amplitude modulation (PAM) is one form of the ways, in which it is widely used in the system of communication and control.

脉冲幅度调制波（PAM）是脉冲调制的一种形式，在通信和控制系统中得到广泛应用。

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Corona discharges are a form of stochastic pulse-shape noises occurring outside the GIS.

电晕放电是一种发生在GIS设备外部的随机的脉冲形噪音信号。

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With its NVIDIA ION-based motherboard, the Pulse delivers the best graphics solution available for low-power, small form factor designs" says Drew Henry, general manager of the desktop GPU business unit at NVIDIA. "By adding the GeForce 9800 GT ECO, gamers can enjoy superior performance in a design that saves both energy and space.

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

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