The result of this article is to be used to the PN code choice in the project of long pseudo-noise code capture in the satellite-based navigation-position systems.
本文的研究成果将在“十五”国防预研“卫星导航定位系统长码直捕”项目中作为编码优选的考虑因素之一。
参考来源 - 扩频多址通信系统的旁瓣特性描述·2,447,543篇论文数据,部分数据来源于NoteExpress
One side, GPS (Global Position Systems) and GIS (Geographical Information Systems) become the direction of the new generation of mobile technology;
一方面,GPS(全球定位系统)和GIS(地理信息技术)成为新一代移动技术的发展趋势;
Aimed at the control problem of electro-hydraulic position systems based on the variable pressure oil source, an experiment platform is set up, and the mathematical model of the system is also built.
针对这种变压力油源的电液位置控制系统,搭建了以蓄能器为动力源的电液位置控制系统实验平台,并建立了严格数学模型。
Mr. Li continued, "Together with the completion of our acquisition of Digital Media Group earlier this year, this contract helps to solidify our leadership position on subway systems nationally.
李利民补充道,“加上今年初本公司完成对数码媒体集团的收购,这份合约有助于巩固我们在全国地铁系统的领先地位。
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