高频多普勒计程仪研究设计

Design of High Frequency Doppler Log

ＭＣＤＬ－１型多普勒计程仪系根据水声多普勒效应原理，采用先进的微机控制和数字信号处理技术开发的船舶助航仪器，介绍了水声多普勒测速原理，并分析了多普勒信号——随机起伏混响信号的特征，也探讨了ＭＣＤＬ－１型多普勒计程仪的电路设计、单片机计算机系统硬件设计和数字信号处理技术的软件设计。最后将ＭＣＤＬ－１型多普勒计程仪达到的性能与国外同类产品进行了比较。

MCDL1 Doppler Log is a navigational instrument devloped on the basis of Doppler principle in water and with microcomputer control and data processing techniques. In this paper, authors introduce the Doppler principle in water and analyse the feature of Doppler signal, named random nonstationary reverberation signal, furthermore discuss the designs of electronic circuits. Microcomputer system hardware and digital signal processing software. Finally, the specifications of MCDL1 Doppler Log is Compared with the specifications of other foreign products.