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Comparative Study of 3D Wing Drag Minimization by Different Optimization Techniques
3D Wing Drag Minimization Diff erent Optimization Techniques
2015/7/2
The main goal of this paper is to document a comparative study of different CFD based optimization techniques applied to the so lution of a 3D wing drag minimization problem.
Aerodynamic Shape Optimization Techniques Based On Control Theory
Aerodynamic Shape Optimization Techniques Based Control Theory
2015/7/2
This paper reviews the formulation and application of optimization techniques based on control theory for aerodynamic shape design in both inviscid and viscous compressible flow. The theory is applied...
Techniques for Real-Time Control of Flexible Structures using GPS
Techniques Real-Time Control Flexible Structures using GPS
2015/6/29
This paper describes the most recent advances in our research on GPS(global positioning system) for real-time structural motion sensing and control. The goal of this work is to bring to light the impo...
High Integrity Multipath Mitigation Techniques for Ground Reference Stations
High Integrity Multipath Mitigation Techniques Ground Reference Stations
2015/6/29
There is an increasing demand for accuracy, integrity,continuity and availability in the ongoing develop ment of differential GPS (DGPS) techniques. DGPS performance relies on the elimination of error...
Multicorrelator Techniques for Robust Mitigation of Threats to GPS Signal Quality
Multicorrelator Techniques Robust Mitigation GPS Signal Quality
2015/6/29
Many applications that utilize the Global Positioning System (GPS) demand highly accurate positioning information. Safety-critical applications such as aircraft navigation require position solutions w...
Toward Real-Time SQM for WAAS: Improved Detection Techniques
Toward Real-Time SQM WAAS Detection Techniques
2015/6/26
Signal Quality Monitoring (SQM) algorithms propose to detect anomalous signal distortions primarily through the use of SQM receivers. These receivers employ anywhere from three or more correlator pair...
Techniques for Graceful Reversion from Dual to Single Frequency WAAS
Techniques Graceful Reversion Single Frequency WAAS
2015/6/26
This paper investigates techniques to sustain dual frequency ionosphere performance when a dual-frequency airborne user loses all but one GPS frequency while descending into the radio frequency interf...
Evaluation of Two Types of Dual-Frequency Differential GPS Techniques under Anomalous Ionosphere Conditions
Dual-Frequency Differential GPS Techniques Ionosphere Conditions
2015/6/26
Strong ionosphere storms are a potential threat for the Local Area Augmentation System (LAAS). During these storms,large spatial and temporal gradients of the ionosphere component on the GPS signals c...
Stochastic Gust Analysis Techniques for Aircraft Conceptual Design
Aircraft Conceptual Design Gust Analysis Techniques
2015/6/18
A set of gust
simulation studies are carried out to assess the relative importance of the various physics
involved in aircraft gust encounters and the effects of different modeling assum...
Containing a Difficult Target: Techniques for Mitigating DME Multipath to Alternative Position Navigation and Timing (APNT)
Containing Difficult Target Techniques Mitigating DME Multipath Alternative Position Navigation Timing (APNT)
2015/6/24
Distance measuring equipment (DME)/Tactical Air Navigation (TACAN) has been serving aviation for approximately 60 years. It has been a primary navigation aid in the national airspace (NAS) for much of...
期刊信息
篇名
Precision ERS-2 orbit determination combining multiple tracking techniques (综合多种观测技术精密确定海洋卫星ERS-2的轨道)
语种
英文
撰写或编译
作者
Zhang FP,Huang C,Liao XH,Feng CG
第一作者单位
刊物名称
Chinese Science Bulletin
页面
20...