地球表面大部分是海洋。海洋状态与人类生活紧密相联。人们早就开始对海洋进行研究和监测。目前采用的监测手段是卫星、浮标站等。前者造价高,时间连续性差;后者监测区域小,控制管理困难。近年出现一种崭新的方法——短波雷达遥感,能有效地用于海洋环境监测。它造价低,遥感区域大,时间连续性好。现在已经发展成新的科学分支——无线电海洋学。 Most of the earth’s surface is the sea. The state of the sea is closely linked with human life. People have long been studying and monitoring the oceans. The monitoring methods currently used are satellites, buoy stations and the like. The former cost is high, and time continuity is poor. The latter has a small monitoring area and difficult control and management. In recent years, a new method has emerged - shortwave radar remote sensing, which can effectively be used for marine environmental monitoring. It is low cost, remote sensing area, time continuity is good. It has now developed into a new branch of science - radio oceanography.