Patent ID: 11899149
Assignee: INSTITUTE OF GEOLOGY AND GEOPHYSICS, CHINESE ACADEMY OF SCIENCES
Field: Measurement (Instruments)
Classification: CPC G  Y | IPC G

Claim 1:
2. The method for automatically identifying an active source azimuth of a planet seismometer according to claim 1, wherein a specific calculation formula for the converting the three-channel original time sequence to a horizontal plane based on a pitch angle θ1 and a roll angle θ2 of the planet seismometer after being deployed to a surface of a planet is:

xhi=xi*cos θ1

yhi=yi*cos θ2

wherein xi is a time sequence of the planet seismometer intercepted in the NS direction; yi is a time sequence of the planet seismometer intercepted in the EW direction; i=1, 2, . . . N, N represents the number of the lander support legs; xhi represents a component of the time sequence xi of the planet seismometer intercepted in the NS direction on a planet horizontal plane; yhi represents a component of the time sequence yi of the planet seismometer intercepted in the EW direction on the planet horizontal plane.