搜索结果: 1-8 共查到“航天器结构与设计 development”相关记录8条 . 查询时间(0.403 秒)
Development, Implementation, and Testing of a Prototype LAAS Architecture
Prototype LAAS Architecture
2015/6/29
A Local Area Augmentation System (LAAS) architecture has been developed to provide satellite navigation performance compliant with the stringent requirements for aircraft precision approach and landin...
A Comprehensive Ionosphere Storm Data Analysis Method to Support LAAS Threat Model Development
Ionosphere Storm Support LAAS Threat Model
2015/6/26
Several recent papers have analyzed the potential threat of severe ionosphere spatial gradients on LAAS users [1-4]. To support this work, a comprehensive methodology has been developed to analyze WAA...
Worldwide Trends in GNSS Development and their Implications for Civil User Performance and Safety
Worldwide Trends GNSS Development Civil User Performance Safety
2015/6/25
This paper examines the trends that are apparent in the worldwide development of Global Navigation Satellite Systems (GNSS) and how they will affect the growing population of civil users of satellite-...
The aerodynamic design of the rotor system
is highlighted, while approaches to fabrication,
control, and power systems are summarized. 2D
Navier-Stokes analysis and design of the rotor sections ...
Development of a Real-time GNSS Software Receiver for Evaluating RAIM in Multi-constellation
Real-time GNSS Software Receiver Evaluating RAIM Multi-constellation
2015/6/24
As Global Navigation Satellite System continues to upgrade, there will be an increasing number of satellites upgrade, there will be an increasing number of satellites of-life users like aviation, high...
NASA Selects Commercial Firms to Begin Development of Crew Transportation Concepts and Technology Demonstrations for Human Spaceflight Using Recovery Act Funds
NASA Commercial Firms Crew Transportation Concepts Technology Demonstrations Human Spaceflight Using Recovery Act Funds
2010/2/22
NASA has awarded $50 million through funded agreements to further the commercial sector's capability to support transport of crew to and from low Earth orbit. This step is the first taken by NASA cons...
Development of Universal Flight Trajectory Calculation Method for Unguided Projectiles
Flight trajectory Unguided projectiles Trajectory radar measurements
2009/10/10
A universal external ballistic trajectory model for unguided projectiles is developed in this study. The mathematical model is based on the Maclaurin Series. The Maclaurin Series coecients are predic...
Experiences Gained during the Development of a Passive BSAR with GNSS Transmitters of Opportunity
Experiences Gained Passive BSAR GNSS Transmitters Opportunity
2009/9/3
This paper presents an overview of the research conducted at University of Birmingham. It highlights and briefly discusses various systems parameters (e.g., resolution, power budget), problems (e.g., ...