For a CNG engine, the cylinder pressure signal, gear pulse signal and top dead center pulse signal were simultaneously collected. 对某天然气发动机缸内压力信号、齿盘脉冲信号和上止点脉冲信号进行同步采样。
The regression prediction model for the strength of cylinder shell against pulse loading based on support vector machine 基于SVM回归的圆柱壳体抗脉冲强度预估模型
The relation between the average energy of electron and voltage for cylinder system is derived. The influence of pulse waveform on the average electron energy is discussed on the basis of experiment. 推导了同轴圆柱系统中平均电子能量与电压的关系式,并试验研究了脉冲电压波形对击穿电压的影响,进而得出波形对电子平均能量的影响。
Based on the required precision and actual detection background, single-lens and cylinder lens design methods are proposed to collimate the beam of pulse semiconductor lasers and their design parameters are presented. 根据具体的探测环境和探测精度,通过理论分析,提出了脉冲式半导体激光器准直光束的单透镜设计方法和柱面透镜的设计方法,并且给出了具体的设计参数。
Based on real-time measure and analysis of transient speeds, cylinder pressure and HC emission, the effect of injection pulse width 、 ignition advance degree on the first firing characteristic of SI EFI LPG fueled engine is investigated. 通过对起动过程的瞬时转速、气缸压力及HC排放的实时测量与分析,研究了喷射脉宽、点火提前角对电控喷射LPG发动机起动首次着火特性的影响,实现了基于循环控制的着火循环。