High-pass filter facts for kids
A high-pass filter is an electronic filter that passes the frequency component of a signal above a certain value (cutoff frequency). The frequency component below that certain value will be suppressed to almost zero.
Related pages
Images for kids
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Ideal high-pass filter frequency response
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Example of high-pass filter applied to the right half of a photograph. The left side is unmodified, Right side is with a high-pass filter applied (in this case, with a radius of 4.9)
See also
In Spanish: Filtro paso alto para niños
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High-pass filter Facts for Kids. Kiddle Encyclopedia.