The infrared remote controller is implemented by pulse width measuring,realizes self-learning function by copying infrared pulse signal and realizes 38kHz carrier wave based on software.

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.

There show positive results on the method and acquisition system collects infrared signals after testing,it also proves this test method has critical practical value.

The infrared signal examination switch is designed to achieve when the human body close to infrared signal detectors,the load is opened automatically according to signal processing results,if the human does not leave also is moving,the load works continually,after until the human leaves the time delay and closes the load.

In order to achieve viewable analysis and research of infrared signal, taking advantage of serial communication of singlechip and computer and the virtual screen of VB,this system can identify automatically infrared signal and display real time infrared wave on the machine PC.

Determination of trace oxygen in wheel axle steel by pulse infrared method after pretreatment with oxalic acid-hydrogen peroxide