COMPARATIVE ANALYSIS OF OBSERVATIONAL DATA FROM HORIZONTAL AND VERTICAL PENDULUMS IN WENQUAN
In order to study the consistency of data obtained by different observation methods at the same station and the same physical quantity,the horizontal pendulum and vertical pendulum of the hot spring old station are selected as the research objects to study the consistency of observation data and the response characteristics of interference anomalies in different frequency bands.The analysis results show that the observation data of horizontal pendulum and vertical pendulum of hot spring are stable and accurate,the solid tide record is clear,and there is strong consistency in the same direc-tion of semi-diurnal wave and daily wave frequency bands.From the minute value to the tidal fre-quency band,the observation data of the horizontal pendulum and the vertical pendulum of the hot spring are inconsistent,and the observation data mainly contain their own attribute information;in the annual periodic frequency band,the phase difference between the horizontal pendulum and the vertical pendulum in the EW direction is about 41 days.The phase difference in NS direction is a-bout 14 days,and the phase lags behind the temperature.Considering the phase lag,the horizontal pendulum and vertical pendulum observations of hot springs are in good agreement,and both are lin-early related to the temperature.Therefore,the temperature is the main influencing factor of the an-nual periodic frequency band of the horizontal pendulum and vertical pendulum of hot springs.