作者分析了浮选柱分选特征及所存在的严重问题，详细地阐述了新结构浮选柱的结构特征，并示出了部分试验结果。
Based on the analysis of the separation properties of existing flotation columns and their defects, this paper expounds the structural characteristics and test results of a modified flotation column.
而数字接收机则可以有效避免这类问题，它可以保留信号的全部信息，采用数字信号处理器对输入信号进行特征提取，分选和识别。
The digital receiver can avoid above problems effectively. It can keep all characters of signals and realize the signal feature extraction, separation and recognition with digital signal processors.
信号脉内特征提取技术是雷达对抗系统分选、识别截获信号的关键技术。
Extracting of radar in-pulse characteristics is an important technology to sort and recognize intercept signal from the radar countermeasure systems.
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