Manual-ranging digital multimeter measures voltage, current, resistance, frequency, and capacitance, and performs diode, logic, continuity, and transistor common-emitter gain (hFE) tests True RMS ...

A windowed sinc function can implement a low-pass filter, and a two-dimensional convolutional filter can blur or sharpen images. In part 3 of this series, we introduced a low-pass filter based on the ...

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