The main problems in GPS technology including the system bias to SLR, its own annual variety and the change of GPS satellite antenna phase center are also discussed.
评述了GPS技术目前存在的问题,包括与SLR测量之间存在的系统偏差、GPS技术本身可能存在的周年变化和GPS卫星天线相位中心的变化。
Nowadays, energy crisis is a world problem which has to solve. The technology of phase change for heat storage is signality for energy source allocation.
能源危机是当今世界迫于解决的问题,相变储热技术对于能源的合理配置意义重大。
The recent research progress of preparation technology on organic phase change materials (PCM) is reviewed.
综述了有机相变材料在制备技术方面的研究进展。
Microencapsulated phase change materials, a new kinds of composite phase change materials, was prepared with microencapsulation technology.
微胶囊相变材料是将微胶囊技术应用于相变材料而形成的新型复合相变材料。
How to combine phase change materials (PCMs) with textiles effectively is the key technology that PCMs are applied to textiles.
如何将相变材料与纺织材料有效复合是应用的关键技术。
We'll be investing in both the community, and the marketplace - to accelerate the industry's phase change away from proprietary technology to the new world of open web platforms.
我们将同时在社区和市场两方面注入资金—以加速本行业由专属技术阶段向开放式网络平台阶段转化的进程。
Combined with a burst Angle algorithm, this paper USES a beam control technology of the one-dimension phase array fuze to change the fuze beam adaptively and achieve the optimal initiating control.
利用一维相控阵引信的波束控制技术,自适应地改变波束倾角并结合起爆角算法实现最佳起爆控制。
Through the technology of Phase Change in large day-and-night temperature difference area as well as of cooling storage with night ventilation, indoor temperature can be adjusted.
目的把相变储能技术应用在夏季昼夜温差较大地区,使相变墙夜间通过通风蓄冷,调节室内温度。
Recently, phase change or "hot melt" ink jet technology has been an emerging offshoot of the ink jet industry in recent years.
近十多年来,相变或热熔喷墨打印技术在迅猛发展的喷墨打印领域里逐渐崭露头角。
The composite technology of phase change material and building material substrate was introduced under analysis of the choosing, im-proving and sealing of phase change materials.
相变蓄能围护结构材料是相变材料与建材基体复合制备的一种环保节能型的建筑功能材料。
Two approaches are proposed for multilevel storage based on phase change technology.
提出两种实现相变存储器多值存储的方法。
The theory of hall signal checking and how to change phase using DSP technology are discussed in detail and analyzed the method of using a single resistance measure phase current.
详细讨论了基于DSP技术的霍尔位置信号检测原理和换相控制原理,并分析了单电阻电流检测方法。
In allusion to the key issues of current building energy efficiency, the phase change energy storage technology is an important measure to achieve building energy efficiency.
针对当前建筑节能的要点,指出相变储能技术是实现建筑节能的重要措施。
Technology of passive location has broad prospects for application. The single observer-passive location method of phase difference rate of change is introduced based on existing methods.
无源定位技术有着广阔的应用前景,文中在现有单站无源定位方法的基础上,介绍了相位差变化率定位法。
Phase change of water in permafrost is considered and 3d finite element method is employed to study the cooling effect on the soil of embankments due to using thermosyphon technology.
考虑多年冻土中水的相变,采用有限元进行热管保护多年冻土路基效果的三维数值分析。
This topic research is a single-station passive location technology which uses phase difference change rate of the non-cooperation radiant signal to ascertain the target's location.
本课题的主要研究内容就:是如何利用非合作辐射源对运动目标进行无源定位。
This topic research is a single-station passive location technology which uses phase difference change rate of the non-cooperation radiant signal to ascertain the target's location.
本课题的主要研究内容就:是如何利用非合作辐射源对运动目标进行无源定位。
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