搜索结果: 1-14 共查到“航空、航天科学技术 Assessment”相关记录14条 . 查询时间(0.203 秒)
ASSESSMENT OF SEASONAL VARIABILITY FOR WIND SPEED AND SIGNIFICANT WAVE HEIGHT USING SATELLITE ALTIMETER OVER MALAYSIAN SEAS
Wind speed significant wave height Seasonal variations Satellite Altimeter Radar Altimeter Database System Monsoons
2018/11/9
Malaysia is located in the equatorial region and experienced climate hot, humid and rainy throughout the year. These have brought four monsoon seasons to Malaysia which can be categorised as Northeast...
IMAGE QUALITY ASSESSMENT OF HIGH-RESOLUTION SATELLITE IMAGES WITH MTF-BASED FUZZY COMPREHENSIVE EVALUATION METHOD
Image Quality Assessment High-resolution Satellite Images MTF Fuzzy Comprehensive Evaluation
2018/5/15
A Modulation Transfer Function (MTF)-based fuzzy comprehensive evaluation method was proposed in this paper for the purpose of evaluating high-resolution satellite image quality. To establish the fact...
POLARIMETRIC CALIBRATION AND ASSESSMENT OF GF-3 IMAGES IN STEPPE
Polarimetric calibration PolSAR GF- image quality reflection symmetry
2018/5/11
The GaoFen-3 (GF-3) satellite is the first fully polarimetric synthetic aperture radar (PolSAR) satellite in China. It has three fully polarimetric imaging modes and is available for many applications...
POST-EARTHQUAKE DAMAGE ASSESSMENT USING SATELLITE AND AIRBORNE DATA IN THE CASE OF THE 1999 KOCAELI EARTHQUAKE, TURKEY
Earthquakes satellite aerial video change detection integration texture user
2015/7/29
To date, prevention of natural disasters is only rarely achieved, and such events continue to pose an increasing threat to life and
property. Especially following earthquakes, there is a need for ra...
COMBINED USE OF POLAR ORBITING AND GEO-STATIONARY SATELLITES TO IMPROVE TIME INTERPOLATION IN DYNAMIC CROP MODELS FOR FOOD SECURITY ASSESSMENT
Remote Sensing Agriculture Monitoring
2015/7/29
Use of satellite data in crop growth monitoring could provide great value for regional food security assessments. By using the difference
between remotely sensed crop canopy temperature and the corr...
Assessment of the Probability of a Midair Collision During an Ultra Closely Spaced Parallel Approach
Midair Collision Closely Spaced Parallel Approach
2015/6/29
In this era of increasing delays in air travel, all means of increasing the capacity of both airports and airspace are receiving intense consideration. In anticipation of future high precision guidanc...
Assessment of Ionospheric Impact on LAAS Using WAAS Supertruth Data
Ionospheric Impact LAAS WAAS Supertruth Data
2015/6/26
In order to reflect the impact of spatial ionospheric gradients on Local Area Augmentation System (LAAS) users, the LAAS Ground Facility (LGF) broadcasts a conservative standard deviation (σvert_iono_...
Noise Assessment and Mitigation for Loran for Aviation
Noise Assessment Mitigation Loran Aviation
2015/6/26
The United States released the technical report on the ability of Loran to mitigate the effects of a GPS outage in December 2004. The report indicated that the current Loran system, with reasonable up...
Preliminary Assessment of Loran for Required Navigation Performance 1.0
Preliminary Assessment Required Navigation Performance
2015/6/26
As part of the ongoing Federal Aviation Administration (FAA) Loran evaluation, the system is being assessed for its ability to back up GPS through all phases of flight. While the focus has mainly been...
Assessment of Nominal Ionosphere Spatial Decorrelation for LAAS
Assessment Ionosphere Spatial Decorrelation LAAS
2015/6/26
The Local Area Augmentation System (LAAS) is a ground-based differential GPS system being developed to support aircraft precision approach and landing navigation with guaranteed integrity. To quantita...
Assessment of the Methodology for Bounding Loran Temporal ASF for Aviation
Assessment Methodology Loran Temporal ASF Aviation
2015/6/25
As we become increasingly dependent on GPS for many position, navigation, and time (PNT) applications, it becomes increasingly important that we have an alternate means of obtaining those capabilities...
Preliminary Assessment of Alternative Navigation Means for Civil Aviation
Preliminary Assessment Alternative Navigation Means Civil Aviation
2015/6/25
The Federal Aviation Administration (FAA) is looking to develop alternative navigation means to global navigation satellite systems (GNSS) and GPS. While the national airspace (NAS) includes many navi...
Cutting date and frequency are important parameters determining grassland yields in addition to the effects of weather, soil conditions, plant composition and fertilisation. Because accurate and are...
An assessment of unstructured grid finite volume schemes for cold gas hypersonic flow calculations
Hypersonic flow Cold gas flow Finite volume method Unstructured grids
2010/10/25
A comparison of five different spatial discretization schemes is performed considering a typical high speed flow application. Flowfields are simulated using the 2-D Euler equations, discretized in a c...