搜索结果: 121-135 共查到“工学 radar”相关记录173条 . 查询时间(0.178 秒)
COASTAL CURRENTS MONITORING USING RADAR SATELLITES BASED ON WAVE TRACKING APPROACH
Coastal Currents Monitoring Jason1 Satellite Wave Tracking Radar Satellites
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2014/4/29
Use of high resolution radar imagery for coastal currents monitoring has been known as an active topic in several research institutions. In this study, we demonstrate a new method for coastal currents...
PHOTOGRAMMETRY FOR MAPPING UNDERGROUND UTILITY LINES WITH GROUND PENETRATING RADAR IN URBAN AREAS
Automation Orientation Navigation Urban Georeferencing Mobile Sequences Calibration
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2014/4/25
Ground Penetrating Radar (GPR) is an active instrument often used to detect underground utility locations up to a few meters. To perform a three-dimensional reconstruction of position and geometry of ...
SYNTHETIC APERTURE RADAR INTERFEROMETRY FOR DIGITAL ELEVATION MODEL OF KUWAIT DESERT – ANALYSIS OF ERRORS
Digital Elevation Model SAR interferometry errors weighted average ASAR atmospheric corrections
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2014/4/25
Using different combinations of 29 Advanced Synthetic Aperture Radar (ASAR) images, 43 Digital Elevations Models (DEM) were generated adopting SAR Interferometry (InSAR) technique. Due to sand movemen...
SYNTHETIC APERTURE RADAR (SAR) AND OPTICAL IMAGERY DATA FUSION: CROP YIELD ANALYSIS IN SOUTHEAST ASIA
Remote Sensing SAR Radar Data Fusion LandSAT ETM+ ENVISAT ASAR ENVI SARscape
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2014/4/29
With the expanding energy crisis and rising food prices, crop yield analysis in Southeast Asia is an increasingly important topic in this region. Rice is the most important food crop in Southeast Asia...
SOURCES OF ARTEFACTS IN SYNTHETIC APERTURE RADAR INTERFEROMETRY DATA SETS
Geodesy Estimation Simplification Landscape DEM/DTM Modelling
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2014/4/29
In recent years, much attention has been devoted to digital elevation models (DEMs) produced using Synthetic Aperture Radar Interferometry (InSAR). This has been triggered by the relative novelty of t...
EXTRACTING PRECISE AND AFFORDABLE DEMS DESPITE OF THE CLOUDS. AJAX: THE JOINING OF RADAR AND OPTICAL STRENGTHS
Rada SPOT DEM/DTM Fusion Precision Three-dimensional Quality Cost
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2014/4/28
On the one hand, onboard SPOT 5, the HRS instrument systematically collects stereopairs around the Globe since 2002. Each
stereopair can encompass an area up to 600 km x 120 km within a single pass ...
X-Band Mini Radar for Observing and Monitoring Rainfall Events
X-Band Radar Rainfall Event Precipitation Monitoring
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2013/2/26
Quantitative precipitation estimation and rainfall monitoring based on meteorological data, potentially provides continuous, high-resolution and large-coverage data, are of high practical use: Think o...
Rao statistical test for radar targets based on SG-Alpha stable distribution
radar target detection Rao test subGaussian-Alpha stable distribution non-Gaussian clutter
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2012/3/22
In relative non-Gaussian clutter backgrounds, one of the difficulties on radar target detection is to establish a likelihood ratio test model. Based on the SG-Alpha（subGaussian-Alpha）stable distributi...
Target detection for CDMA based passive radar using array antenna
passive bistatic radar code division multiple access (CDMA) array antenna target detection
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2012/3/22
Within a system of code division multiple access (CDMA), in an area there exist multiple base stations which transmit different signals in the same frequency bandwidth. And usually it is difficult to ...
Improved algorithm on retrieval ocean surface current based on X-band radar
ocean surface current X-band radar dispersion relationship membership least square method (LSM)
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2012/3/22
In order to overcome the traditional current retrieval algorithm’s shortcomings based on X-band radar, such as a large error existing at the low current rate and the unsteady result, an improved algor...
Assimilating Doppler radar radial velocity and reflectivity observations in the weather research and forecasting model by a proper orthogonal-decomposition-based ensemble, three-dimensional variational assimilation method
Assimilating Doppler radar radial velocity and reflectivity observations in the weather research and forecasting model proper orthogonal-decomposition-based ensemble three-dimensional variational assimilation method
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2013/9/2
Doppler radar observations with high spatial and temporal resolution can effectively improve the description of small-scale structures in the initial condition and enhance the mesoscale and microscale...
MORPHOLOGIC QUALITY OF DSMs BASED ON OPTICAL AND RADAR SPACE IMAGERY
DSM, SPOT-5 SRTM C-band ASTER GDEM Morphologic quality Comparison
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2014/6/5
Digital Surface Models (DSMs) are representing the visible surface of the earth by the height corresponding to its X-, Y-location and
height value Z. The quality of a DSM can be described by the acc...
光电研究院对地观测部参加LIDAR&RADAR 2011国际会议
光电研究院 对地观测部 激光雷达 遥感学会 摄影测量
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2011/11/14
2011年5月27-28日，激光雷达与合成孔径雷达测图技术与应用国际研讨会（International Symposium on LIDAR and RADAR Mapping: The Technique & Application，简称LIDAR & RADAR 2011）在南京河海大学召开，对地观测部相关技术人员参加了会议。
Ultra-Stable Radar Signal from a Photonics-Assisted Transceiver Based on Single Mode-Locking Laser
Ultra-Stable Radar Signal Photonics-Assisted Transceiver Based Single Mode-Locking Laser
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2015/5/20
A novel RF-generating scheme exploits a commercial optical I/Q modulator to allow using a single mode-locking laser for both radar transmitter and receiver, making the solution attractive for immediat...
Quality assessment of high resolution radar DSMs
SAR Optical Imagery TerraSAR-X IKONOS DSM Quality Generation Comparison
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2014/6/12
Radar remote sensing has a significant role in remote sensing technologies and develops rapidly. A series of new synthetic aperture radar (SAR) satellites has been launched to space having various ope...