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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。
According to the principle of underwater acoustic Doppler effect, the MCDL-1 Doppler Pulsometer is based on the ship navigation aids developed by advanced microcomputer control and digital signal processing technology. The principle of underwater acoustic Doppler velocimetry is introduced and analyzed Doppler signal - the characteristics of stochastic ups and downs reverberation signal, also discussed the circuit design of MCDL-1 Doppler log, the hardware design of the computer system of the one-chip computer and the software design of the digital signal processing technology. Finally, the performance of MCDL-1 Doppler logger is compared with that of similar foreign products.