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Equation 4 · Part 1 · How Edge AI Electronics and Sensor Systems Actually Work

Symbol q

q/12q / \sqrt{12}
qq

What this part means

q is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.

Its job in the formula

q is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.

The passage around this formula

and, treating quantization error as uniformly distributed over one step, the resulting quantization noise power has a root-mean-square value of q / 12\sqrt{12} . This is the textbook derivation behind every “effective number of bits” figure a converter data sheet reports, and it is the reason oversampling helps: spreading the same quantization noise power across a wider sampled bandwidth before filtering it back down effectively lowers the…

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Learn the underlying idea

A variable is a named place for a value. Its letter is a local label: x can mean position in one formula and a data point in another.

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Sources cited in the article section

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