长甸2号水轮发电机组振动原因分析
针对长甸水电站2 号机组运行时上机架和上导摆度较大现象, 应用PAST- H 水力机组综合测试仪对其振动进行了多种工况的测试, 并根据测试结果从机械、电气、水力3 个方面对机组振动原因进行分析, 提出...
针对长甸水电站2 号机组运行时上机架和上导摆度较大现象, 应用PAST- H 水力机组综合测试仪对其振动进行了多种工况的测试, 并根据测试结果从机械、电气、水力3 个方面对机组振动原因进行分析, 提出...
During the past two decades, technological development related to telecommuni- cation technologies has allowed organizations of all types and size to ...
During the past two decades there has been a substantial growth in research in wireless communications. The number of journals published from various ...
The writing of this book was prompted by two main developments in wireless communications in the past decade. First is the huge surge of research acti...
Over the past ten years there has been a revolution in the devel- opment and acceptance of mobile products. In that period, cel- lular telephony and c...