Signal correcting method and signal correcting device

A signal correcting device, comprising:

• a sampling module, configured to sample a signal to be corrected at different sampling times, and output a signal value of the signal to be corrected at each of the sampling times to a detecting module;
• the detecting module, configured to receive the signal value of the signal to be corrected at each of the sampling times output from the sampling module, compare a signal value at each of the sampling times in one signal period with a preset signal value corresponding to the sampling time to determine whether interference occurs or not at each of the sampling times, and output a signal indicating whether interference occurs or not at the sampling time to a correcting module;
• and
• the correcting module, configured to receive the signal indicating whether interference occurs or not at the sampling time output from the detecting module, and correct a signal value at the sampling time at which interference occurs to be a preset signal value corresponding to the sampling time.