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What Do You Understand By Backward Difference? |
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Answer» ONE of the simplest method for converting an analog filter into a DIGITAL filter is to approximate the DIFFERENTIAL equation by an equivalent difference equation. d/dt y(t)=y(nT)-y(nT-T)/T The above equation is called backward difference equation. One of the simplest method for converting an analog filter into a digital filter is to approximate the differential equation by an equivalent difference equation. d/dt y(t)=y(nT)-y(nT-T)/T The above equation is called backward difference equation. |
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