Pulsar observation data processing and analysis

The batch of observation data was released to the public. The data was processed using the standard basic astronomical program library of the International Astronomical Association (IAU) and the JPL ephemeris, and the time series of 35 photons arriving at the solar system barycenter was obtained. Based on epoch and known ephemeris parameters, 35 pulse profiles are obtained. The pulse profiles are denoised by kernel regression, and the influence of Bin number on timing residuals when epoch folding is analyzed. The results show that the observation data is valid, and a better pulse profile can be obtained, so that the observation of Crab stars is realized accurately. The kernel regression algorithm effectively improves the influence of the Bin number on the timing residual. The root mean square of the timing residual before fitting is about 40us.