Compact-support orthogonal wavelets have linear phase except the Haar wavelet, so th finite impulse signal is decomposed and reconstructed using biorthogonal wavelets by Mallat algorithm.

Experiment of correlation detection of weak laser pulse signals;

Portable pulse signal apparatus based on single-chip microprocessor

Research of waveform design based on UWB pulse signal

When the running situation of a rotating machine becomes abnormal or a part of it does not work well,it usually generates a periodic vibration signal or a periodic acoustic signal,which generally are periodic impulse signals with relatively strong noise.

The time domain electric field integral equation (TD-EFIE) in conjunction with the reciprocity principle is applied to synthesize the transmitting impulse signals on condition that the receiving signals have already been known.

The paper introduces a designed time domain antenna which can make the measuring electromagnetic impulse signal not distorted.