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关注：1
2013-05-23 12:21
求翻译：通过低通滤波器将SPWM信号的谐波全部滤出掉，只剩下其基波分量，即就是系统所需要的正弦波信号。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
通过低通滤波器将SPWM信号的谐波全部滤出掉，只剩下其基波分量，即就是系统所需要的正弦波信号。
问题补充： |
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2013-05-23 12:21:38
By SPWM signal low-pass filter will filter out all harmonics off, leaving only the fundamental component, which is required for the system sine wave signal.
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2013-05-23 12:23:18
Through low-pass filter will filter out all harmonics SPWM signals off, leaving only the base system is the quantity required, namely, the sine wave signal.
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2013-05-23 12:24:58
Filters out completely through the low pass filter the SPWM signal overtone, is only left over its fundamental wave component, namely is the sine wave signal which the system needs.
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2013-05-23 12:26:38
SPWM signal through the low-pass filter all harmonics filtering out out, leaving only its fundamental component, that is, is a sine wave signal required by the system.
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2013-05-23 12:28:18
Understand the electric-wave filter and finish leaching all the harmonic wave of SPWM signal through being low, only have its wave weight of base left, it is a sinusoidal wave signal that a system needs.
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