1) very narrow pulse
极窄脉冲
1.
This paper discusses the working principle of bipolar transistor avalanche,and analyzes the circuit of ultra-wideband very narrow pulse generator adopting cascade bipolar transistor structure.
讨论了双极性晶体管雪崩的工作原理,分析了采用级联双极性晶体管结构的超宽带极窄脉冲发生器的电路。
2) Unipolar pulse
单极窄脉冲
3) ultra-narrow coherent pulse train
极窄脉冲相参序列
4) a very narrow waveguide
极窄波导
1.
Aiming at the high-power laser,the vertical far-field divergence angle was reduced by the very narrow waveguide and the mode expanding waveguide structures,a simplified model of the far-field distribution of quantum-well lasers with a very narrow waveguide structure and the theoretical value of the vertical divergence angle were achieved,the vertical divergence angle was reduced to 2.
针对大功率激光器讨论了极窄和模式扩展波导结构方法减小垂直方向远场发散角,得到了极窄波导结构量子阱激光器远场分布的简化模型,获得了垂直发散角的理论值,垂直方向远场发散角减小为28。
5) extreme narrow band filter
极窄带滤波器
补充资料：胎圈过窄、子口窄、圈窄等
分子式：
CAS号：
性质：又称胎圈过窄、子口窄、圈窄等。轮胎工业中指两胎圈宽度不一致的现象。
CAS号：
性质：又称胎圈过窄、子口窄、圈窄等。轮胎工业中指两胎圈宽度不一致的现象。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。