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What is the Kalman filter?

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in Bioprocess Engineering by (80.7k points)
What is the Kalman filter?

(a) Algorithm

(b) Computer device

(c) Filtration equipment

(d) Constant measurement device

This question was addressed to me in semester exam.

Question is from Monitoring and Control of Bioreactors topic in chapter Reactor Engineering of Bioprocess Engineering

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The correct choice is (a) Algorithm

The explanation is: Kalman filtering, also known as linear quadratic estimation (LQE), is an algorithm that uses a series of measurements observed over time, containing statistical noise and other inaccuracies, and produces estimates of unknown variables that tend to be more accurate than those based on a single measurement alone, by estimating a joint probability distribution over the variables for each timeframe.

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