声头内收发单元的硬件主要包括模拟接收机和数字信号处理机以及功放机。
The hardware of receiving and transmitting unit in the acoustic head contain the analog receiver and digital signal processing card.
本文以某亚音轴流压气机为原型，主要借助数值模拟手段展开了对机匣处理机理的研究。
With the aid of CFD software NUMEC a, computational simulating is performed on an Axial-flow compressor for the study of casing treatment mechanism.
本文从工程应用的角度，全面阐述了水声靶标系统的模拟前端部分——水声靶标系统预处理机的设计思想和具体实现。
From an engineering point of view, this paper makes a full exposition of the design idea and concrete realization of the UATS preprocessor, that is, the analog front end of the UATS.
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