Acquisition EN Sine wave interpolation The result is calculated in the actual sample interval by mathematical processing. This method bends the signal waveform to produce ordinary shapes that are more realistic than pure square waves and pulses. Sinusoidal interpolation is recommended when the sampling rate is 3 to 5 times the system bandwidth. Step interpolation Insert the value of the previous sample point between adjacent sample points. This algorithm is the same as the normal sampling of the oscilloscope ADC. The data is interpolated by sample-hold method to improve the sampling rate of the signal. Linear interpolation Connect a straight line directly between adjacent sample points.
This method is limited to reconstructing signals with straight edges, such as square waves. Sinusoidal interpolation uses curves to connect sampling points and has more universality. Copyright © Qingdao Hantek Electronics Co., LTD Tablet1000 User manual 57