Demonstration 1: Sampling
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Digital signal processingDigital filterAliasingSampling (signal processing)Linear phaseBandlimitingFilter theoryStopbandCutoff frequencyFilter (signal processing)Filter frequency responseBandwidth (signal processing)PassbandLow-pass filterWavesWaveformSine waveRadio frequencySystems theoryImpulse responseFrequency responseDiscrete time and continuous timePhysicsMotion (physics)Impulse (physics)LinearitySoundAttenuationSoundAmplitudeElectronic circuitsDigital-to-analog converterAnalog-to-digital converterOperational amplifier