Environmental measuring signals are often interfered by exterior noise which always resulted from the EMI or decoding distortion of telemetry.

• 摘要环境量测信号经常遭遇外在杂讯的干扰，诸如量测电缆线受电磁干扰及遥测信号解调失?等，而使?实量测信号与杂讯混淆。