| 1. | The paper introduces the history of bbadcp , discriminates the different among pulse - incoherent system , pulse - coherent system and pulse - pulse coherent system , analyzes the characteristic of bbadcp " s signal and explains how bbadcp works by reasoning 介绍了bbadcp的研究状况,比较了几种测流技术,分析了bbadcp的信号特性,仔细推理了bbadcp的工作原理。采用基带仿真的方法建立了bbadcp的计算机模型。 |