对于便携式电子产品来说，运算放大器可算是万能的信号调节电路，因为它可以执行滤波器、放大器、电压感测器、电平移位器、缓冲器、甚至开关等多种不同功能。
Operational amplifier is the most versatile signal conditioning block in any portable system. It can be a filter, an amplifier, an voltage detector, a level shifter, a buffer or even a switch.
为了去除这种现象，考虑在阈值法的基础上对信号进行循环平移，然后再对平移后阈值上的系数进行放大，对信号进行消噪处理。
In order to remove this phenomenon, we consider the cycle spinning method based on threshold wavelet and then use the coefficient magnify to remove the signal noise.
图形学中，改变所显示的图象，例如转动、平移、放大、缩小等。
In computer graphics, to change a display image, for example, by scaling, rotating, or translating.
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