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System and method for impulse noise suppression for integrator-based ion current signal processor
System and method for impulse noise suppression for integrator-based ion current signal processor
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机译:基于积分器的离子电流信号处理器的脉冲噪声抑制系统和方法
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摘要
An impulse noise suppression circuit (40) for an integrator-based ion current signal processing system includes a one-shot circuit (56) activated by a trigger signal (54) that is produced when a noise transient (44) in a bandpass filtered ion current signal exceeds a predetermined threshold. The output pulse (86) of the one-shot circuit is selected to have a pulse width (T) configured to mask a substantial portion of the noise transient (44) without masking the remaining filtered ion current signal during the remainder of a knock window (KWI) in which knock is detected.
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