Deconvolution of System Impulse Responses and Time Domain Waveforms
James R. Andrews · 2004
INTRODUCTION — CONVOLUTION A classic deconvolution measurement situation is shown in Figure 1. Some excitation, say vin(t), is applied to a 'black box', h(t), and then some output response occurs, vout(t). One situation might be the system identification of the black box's transfer function from measurements of both vin(t) and vout(t). The result is the black box's impulse response, h(t). h(t) is the output from the black box when the input excitation is a unit impulse. The second situation is the determination of an unknown input signal, vin(t), when one is only able to observe the signal, vout(t). If one knows h(t), then vin(t) can be determined. v in (t) v out (t)