This paper proposes a simple method for measuring the admittance of the inclined slot onHplane of rectangular waveguide of a slot array,and the measured result
1995年上半年全国道路交通事故情况1995年1~6月全国公安交通管理部门共受理各类道路交通事故案件128269起,死亡31910人,伤76138人,直接经济损失7.42亿元,与1994年同期相比,分别增加6.6%,3.8%,8.6%和24.7%。其...
National road traffic a
By using the method of transverse-section,the reflective coefficient of diffraction in the open-endof resonators with slowly varying cross-section under genera