نتایج جستجو برای: geostationary satellite
تعداد نتایج: 80742 فیلتر نتایج به سال:
Geostationary meteorological satellite infrared (IR) channel data contain important spectral information for meteorological research and applications, but their spatial resolution is relatively low. The objective of this study is to obtain higher-resolution IR images. One common method of increasing resolution fuses the IR data with high-resolution visible (VIS) channel data. However, most exis...
Multimedia conference is one of the important applications in the Internet. To support such an application over satellite networks, one has to address quality of service (QoS) and performance of IP applications over satellite. Research has been carried to study how satellite networks can support efficiently the IP based multimedia applications including voice, video and data and impacts of sate...
The existing military satellite communication system was based on geostationary satellites equipped with special payloads against enemy’s jamming and signal reception. With the advent of new weapon systems such as unmanned systems, need for low-orbit satellite-based is increasing. This paper introduces various waveform technologies suitable cube operational concept a future nanosatellite system.
Imagers on many of the current and future operational meteorological satellites in geostationary Earth orbit (GEO) and lower Earth orbit (LEO) have enough spectral channels to derive cloud microphysical properties useful for a variety of applications. The products include cloud amount, phase, optical depth, temperature, height and pressure, thickness, effective particle size, and ice or liquid ...
Understanding diurnal warming is important for satellite sea surface temperature (SST) validation and data merging. For coastal region, it also helps to predict coral reef bleaching. This study summarizes one of the first comprehensive coastal diurnal warming studies using an integrated approach including in-situ and satellite data analysis, as well as modeling. First, two in-situ datasets at t...
It is well known that GPS C/A codes present cross correlation peak potentially causing false acquisitions. These cross-correlations peaks can in addition cause tracking errors and C/No degradation [1], [2], [3] and [4], not in traditional GPS tracking situations, but for applications where signals are received with low Doppler. There are several applications that can have low relative Doppler, ...
An analysis of the life cycle shallow marine cumulus clouds is presented based on geostationary observations by Spinning Enhanced Visible and InfraRed Imager aboard Meteosat Second Generation (MSG-SEVIRI). Trajectories about 250,000 individual have been derived applying Particle Image Velocimetry to Satellite Application Facility Climate Monitoring CLoud property dAtAset using SEVIRI for a regi...
Brightness temperature (TB) observations at an infrared channel (10.3 ?m) of the Advanced Baseline Imager (ABI) on board U. S. 16th Geostationary Operational Environmental Satellite (GOES-16) are used for determining tropical cyclone (TC) center positions and rainband sizes. Firstly, azimuthal spectral analysis method is employed to obtain azimuthally symmetric a TC. Then, inner outer rainbands...
In order to access the Satellite Based Augmentation System (SBAS) service, the end user needs to have a direct line of sight to at least one of the Geostationary Earth Orbit (GEO) satellites transmitting the augmentation messages. This requirement is critical for users in environments such as city canyons, valleys and fjords since high buildings and mountains in the vicinity of the end user can...
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