1) improved PWM
改进型PWM
1.
In this paper,an improved PWM method of 6kV double three-level inverter based on IGCTs was presented.
针对基于IGCT器件的6kV双三电平逆变器拓扑结构,设计了改进型PWM调制策略,并对其进行了M atlab仿真,得到了较好的输出电压波形。
3) roller contour improvement
辊型改进
4) improved model
改进模型
1.
Research on improved model of expressway flow control;
高速公路流量控制改进模型研究(英文)
2.
Research on improved model with GPS pseudorange differential analysis;
GPS伪距差分解算改进模型的研究
3.
An improved model of capacitive abosolute pressure sensors is presented based on the model for pressure-sensing membrane of pressure sensor,and the effect of the sensor performance due to residual gas in the sealed cavities when temperature changes is considered.
在传感器敏感膜模型的基础上对电容式绝对压力传感器提出了一种改进模型,考虑了由于温度的变化电容结构空腔中残余气体对传感器性能产生的影响。
5) modified EGSB
改进型EGSB
1.
Through comparison of treatment efficiency in expanded granular sludge bed(EGSB)and modified EGSB at different upflow velocity,modified EGSB was proposed to treat urban wastewater of low concentration with higher removal efficiency and stability.
通过对不同上升流速下改进型EGSB和EGSB处理人工配置城市污水效果的比较研究,提出了一种更为有效的处理城市污水的反应器--改进型EGSB反应器,在上升流速为5。
补充资料：改进
改变旧有情况，使有所进步：～工作ㄧ操作方法有待～。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条