声相关计程仪(acoustic correlation log)是二十世纪70年代研制使用的一种绝对计程仪。它是利用对水声信息的相关技术处理来测量船舶航速和累计船舶航程。
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an acoustic correlation log 声相关计程仪
The acoustic correlation log has striking advantages compared with the Doppler log.
相关测速声呐与多普勒测速声呐相比有很多优点。
Some problems, such as the choice of frequency and distance between transducers, are discussed according to sonar equation, which should be considered in the design of Acoustic Correlation Log.
围绕声纳方程，论证了相关计程仪设计时应考虑的一些问题，如频率的选取，换能器间距等，从而为海底回波仿真的参数选择提供了理论依据。
The paper points out the problems in analyzing the working theory of acoustic correlation log, and thus gives correct ways of analysis, which can clearly explain the working theory of the device.
提出目前声相关计程仪原理分析过程中存在的问题，及其正确的分析方法，从而使其工作原理的分析过程清晰明了。
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