The original signal was a simple sine wave.

原始信号原先是一个简单的正弦波。

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The conversion of a modulated carrier wave into a current equivalent to the original signal.

将信号转变成适合于传输的被调制信号的一种操作装置。

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The task of a phase-lock receiver is to reproduce the original signal while removing as much of the noise as possible.

锁相接收机的作用是重建原信号而尽可能地去除噪声。

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Using statistical means, Dr. Donoho developed algorithms that would diminish noise and interference "by recovering or reconstructing the original signal as much as possible, " Prof.

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ILA, in which the signal is converted to analogue form, is smoother and better because it makes no assumptions about the number of pixels in the original digital signal.

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