This kind of methods is also called as undulation forecast subtracting, which including wave field extrapolated method, feedback loop method and backscattering progression method.
这类方法也称为波动预测减去法，主要有：波场外推法、反馈环法、反散射级数法。
This paper describes the experimental study of two phase density wave oscillation in natural circulation loop. The oscillation curves under different conditions are obtained.
在自然循环水回路上进行了两相流密度波不稳定性的实验研究，得到了不同工况下的实时脉动曲线。
The hysteretic loop comparator control method and the triangular wave comparison control method have been analyzed in detail. The simulation and comparison is made.
本文还详细分析了滞环比较控制方式以及三角波比较控制方式，并进行了仿真比较。
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