A high-order phase-locked loop(PLL) for radio frequency synchronization is designed.

Study of protein microarray for simultaneous detection of two pathogen in blood-transfusion;

Conclusions A practical method was developed for the simultaneous detection of the four major human herpesviruses by FP assay based on an asymmetric PCR.

Harmonic detection to the electric power systems based on wavelet transform and the measurement of voltage flicker using wavelet transform with synchronous detection are proposed in this paper.

A new kind of microwave test line system which uses synchronous detection technique was introduced,and the measure principle was analysed in this paper.

For rapid detection of trace residues of pesticides in tea, a synchronous detection method for seven kinds of pyrethroid pesticide residues in sample was established with micellar electrokinetic capillary chromatography(CMECC) based on the on-column stacking.

Simultaneous determination of tilmicosin,tylosin and spiramycin residues in milk by HPLC;

The elaborate error analysis of synchronous frequency measurement method is presented and some amelioration of the method based on the analysis is proposed.