Menetelmä sähkömagneettisen säteilyn avulla muodostetun referenssitason ilmaisemiseksi ja sovitelma säteilyn vastaanottimessa

摘要

A process for detecting a reference level formed by means of an electromagnetic radiation and arrangement in a radiation receiver. In the process, a measuring surface in the receiver is divided in the peripheral direction into equal-width measuring zones a-d, which each have an equal number of uniformly placed receiving elements 13. The radiation detected by the receiving elements 13 of each measuring zone a-d is measured separately. In the receiver, the measuring surface in the peripheral direction is divided into equal-width measuring zones a-d having an equal number of receiving elements 13, uniformly placed. <IMAGE>