The technology is a closed-loop cable driven system whose gondola or platform is free to move up and down with feedback control. The system with serving tools provides a positive contact with the wall surface. Contact pressure is maintained by the cable system itself as the cables remain taut while .....
[更多]
Cubic boron nitride (cBN) is the second highest in terms of hardness, elastic modulus, thermal conductivity, next to diamond, and it even has some superior properties surpassing those of diamond. cBN structures are incredibly durable materials that could have even better electronic qualities than th.....
[更多]
The power amplifier, an indispensable component in most wireless communication systems, is inherently nonlinear. In view of the importance of video conferencing and internetworking features to the next generation of mobile terminals (e.g. mobile phones) as well as the demand for high data rate trans.....
[更多]