搜索结果: 1-14 共查到“知识库 航空、航天科学技术 monitoring”相关记录14条 . 查询时间(0.261 秒)
MONITORING CYANOBACTERIA BLOOM IN TAIHU LAKE BY HIGH-RESOLUTION GEOSTATIONARY SATELLITE GF4
Cyanobacteria Bloom Taihu Lake GF4 Geosynchronous Earth Orbit Remote Sensing
2018/5/15
The high-resolution remote-sensing satellite, GF4 PMS, of China's geosynchronous earth orbit was successfully launched on December 29, 2015. Its high spatial resolution and high temporal resolution al...
APLICATION OF LOW RESOLUTION SATELLITE DATA FOR THE DETECTION AND MONITORING OF FIRE IN NICARAGUA
Forest fire Monitoring Change Detection Ecosystem
2015/7/29
A PC – based –NOAA satellite receiver, installed at the Ministerio del Ambiente y los Recursos Naturales (MARENA) headquarter in
Managua, enable daily observations to be made on vegetation fires in ...
MONITORING OF LAND USE IN THE MAJOR GRAIN CROP PRODUCTION AREA USING TEMPORAL CHARACTERISTICS OF NDVI OBTAINED FROM COARSE RESOLUTION SATELLITE DATA
Agriculture Land Use Vegetation Estimation Monitoring Pixel Multitemporal
2015/7/29
NDVI obtained from satellite at the pixel over the area of crop cultivation would represent a specific temporal profile, which could
be discriminated from that of other land use. In this study, the ...
CARBON DIOXIDE MONITORING FROM THE GOSAT SATELLITE
Atmosphere Monitoring Global-Environmental-Databases Infrared
2015/7/29
A New Approach to GPS Integrity Monitoring Using Prior Probability Models and Optimal Threshold Search
GPS Integrity Monitoring Prior Probability Models Optimal Threshold Search
2015/6/29
Current methods for GPS receiver autonomous integrity monitoring are limited by the assumptions they make. Using published studies of navigation system reliability, this paper develops a prior probabi...
LAAS Monitoring For A Most Evil Satellite Failure
LAAS Monitoring Most Evil Satellite Failure
2015/6/29
The objective of Signal Quality Monitoring (SQM) is to improve integrity of the space segment of Local Area Aug mentation System (LAAS) by detecting satellite generated GPS signal faults. As seen in t...
Satellite Autonomous Integrity Monitoring and its Role in Enhancing GPS User Performance
Satellite Autonomous Integrity Monitoring Role GPS User Performance
2015/6/29
One of the difficulties inherent in use of Global Naviga tion Satellite Systems (GNSS) for safety-critical applica tions is the need to insure user integrity in the face of an unbounded array of...
LAAS Ionosphere Spatial Gradient Threat Model and Impact of LGF and Airborne Monitoring
LAAS Ionosphere Spatial Gradient Threat Model Airborne Monitoring
2015/6/26
The ionosphere spatial gradient and its temporal rate of change in the vicinity of a LAAS-equipped airport are likely to influence the architecture required to meet the Category II/III precision appro...
WAAS-Based Threat Monitoring for a Local Airport Monitor (LAM) that Supports Category I Precision Approach
WAAS-Based Threat Monitoring Local Airport Monitor (LAM) Category Precision
2015/6/26
The Federal Aviation Administration has sponsored the development of a Local Airport Monitor (LAM) prototype designed to enable GPS-based precision approach by leveraging the existing capabilities of ...
Ionosphere Monitoring Methodology for Hybrid Dual-Frequency LAAS
Ionosphere Monitoring Methodology Hybrid Dual-Frequency LAAS
2015/6/26
Strong ionosphere storms are a potential threat for the Local Area Augmentation System (LAAS). During these storms,very large spatial gradients of ionosphere delays might cause significant errors in u...
Long Term Monitoring of Ionospheric Anomalies to Support the Local Area Augmentation System
Long Term Monitoring Ionospheric Anomalies Local Area Augmentation System
2015/6/25
Extremely large ionospheric gradients can pose a potential integrity threat to the users of Local Area Augmentation System (LAAS), and thus the development of an ionospheric anomaly threat model is es...
Enhancements of Long Term Ionospheric Anomaly Monitoring for the Ground-Based Augmentation System
Ionospheric Anomaly Monitoring Ground-Based Augmentation System
2015/6/24
Extremely large ionospheric gradients can pose a potential integrity threat to the users of ground-based augmentation systems (GBAS). A better understanding of the ionospheric behavior (not limited to...
Results on the Optimal Detection Statistic for Integrity Monitoring
Results Optimal Detection Statistic Integrity Monitoring
2015/6/24
One of the most stringent requirements of positioning systems for aviation is integrity.The provision of integrity is the main function of Satellite-based Augmentation systems (like the Wide Area Augm...
Monitoring of Net Primary Production in California Rangelands Using Landsat and MODIS Satellite Remote Sensing
Grasslands MODIS Landsat California Net Primary Production
2013/3/8
In this study, we present results from the CASA (Carnegie-Ames-Stanford Approach) model to estimate net primary production (NPP) in grasslands under different management (ranching versus unmanaged) on...