ZnO films, doped with 2.9 atom% Cu, were prepared by radio frequency magnetron sputtering on sapphire substrate at different substrate temperatures. No magnetic
<正>In this paper,in order to achieve the output signal processing of cavity beam position monitor(CBPM),we develop a digital intermediate frequency receiver ar
Shanghai Synchrotron Radiation Facility(SSRF) will implement its Phase II beamline project in the near future. Two long straight sections of the SSRF storage ri