搜索筛选:
搜索耗时4.6536秒,为你在为你在102,285,761篇论文里面共找到 4 篇相符的论文内容
类      型:
[期刊论文] 作者:KANG Ming,LIU Jun,YIN Guangfu,SUN Rong, 来源:稀有金属(英文版) 年份:2009
A Eu3+-doped CaCO3 phosphor with red emission was prepared by microwave synthesis. The scanning electron microscopy (SEM) image and laser particle size analysis...
[会议论文] 作者:Shenhui Xue,Xinming Huang,Zengjun Liu,Xiangwei Zhu,Guangfu Sun, 来源:第八届中国卫星导航学术年会 年份:2017
Carrier tracking phase lock loop (PLL) applied extensively in GNSS receivers and high-precision time transfer systems....
[会议论文] 作者:Ke Zhang,Zengjun Liu,Hang Gong,Zhicheng Lv,Xiangwei Zhu,Guangfu Sun, 来源:第七届中国卫星导航学术年会 年份:2016
In order to enhance navigation warfare capabilities of ground station,miniaturization and motorization is a trend.However,the demand of antenna aperture for downlink signal processing is diversity.The...
[会议论文] 作者:Xin Zhao,Yong Wang,Yonghu Zhang,Yingxue Su,Xiangwei Zhu,Guangfu Sun, 来源:第七届中国卫星导航学术年会 年份:2016
OFDM signal systems have been widely used in mobile communications,digital satellite TV,and provided higher transmission rate and positioning information service.It has the potential in timing and Ran...
相关搜索: