The lorentzian spectrum line resolution enhancement is analysed and simulated by computer with the convolution difference method.

本文对一种提高洛伦兹型谱线分析分辨率的卷积差法作了计算机模拟分析。

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The temperature and stress field of wagon wheel under the condition of long ramp way cycle braking in Daqin line have been simulated by using FEM and axial symmetry model.

采用轴对称模型和有限元方法，模拟了大秦线长大坡道循环制动条件下货车车轮温度和应力场，结果表明车轮高应力区出现在辐板上，现行制动条件下车轮强度满足使用要求。

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Since a mine pumping system can generally be simplified into a complicated pipe-line system in series, the transient process is simulated by a method of characteristic line.

根据矿井排水系统一般可以简化为串联复杂管路系统的特点，采用特征线法模拟其断电停泵的瞬变过程。

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The YSP-900 Digital Sound Projector joins Yamaha's high-end YSP-1100 in their digital sound projector line-up of simulated surround-sound speaker-bars.

ENGADGET: Yamaha's YSP-900 Digital Sound Projector: a 5.1 sound bouncer that works