声相关计程仪的工作原理与适用性  

Principle and application of acoustic correlation log

作　　者：宛宁 

机构地区：[1]锦州北方航海仪器有限公司,锦州121000

出　　处：《船舶》2009年第6期43-45,共3页Ship & Boat

摘　　要：声相关计程仪是一种利用波形不变性原理制成的自主式测速导航设备。即便在GPS导航高速发展、INS系统已提高到很高精度的今天,声相关计程仪仍然有其不可替代的导航作用,尤其在军事领域更是如此。通过介绍船用声相关计程仪的基本原理及其应用范围,阐明声相计程仪的组成各部分作用特点及其适用性。Acoustic correlation log is an independent speed-measuring navigating system based on waveform invariance.Although GPS and INS navigation have grown up to very high precision,acoustic correlation log still has special utilities,especially in the military field.In this paper,the principle and application of acoustic correlation log is introduced to demonstrate the feature and application of its components.

关 键 词：声相关 计程仪 原理 适用性 

分 类 号：U666.152[交通运输工程—船舶及航道工程]