提出一种矿山液压工程机械的空载怠速全自动控制系统，分析引起仿真和实测结果差异的原因。
In the paper puts all-automatic control system of noload idling for mine hydraulic-engineering machine different of cause analysised emulation and practical measure.
根据本文研究的目的和意义，建立了以系统工程、水价的基本定价理论和投入产出分析为基础的水价系统仿真数学模型。
Based on this paper's objective and meaning, the water price system simulation model that is based on the system engineering, water price theory, input-output analysis is presented.
该系统采用主动工作方式，本文系统地研究了在多途信道中对声学信号进行处理的理论研究和仿真分析及工程软件设计。
The theoretical and simulation analysis about acoustic signal processing in multi-path channel and the engineering software design are given in the dissertation.
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