Results 81 to 90 of about 311,790 (337)
Orbit Determination Error Analysis for the KOMPSAT [PDF]
Journal of Astronomy and Space Sciences, 1998 Orbit error analysis was performed for the GPS navigation solutions and ground station tracking data of the KOMPSAT (Korea Multi-Purpose SATellite), which will be launched in 1999 for cartography of Korean peninsula as main mission. A least square method
Jeong-Sook Lee, Byoung-Sun Lee
doaj
OPEX: (Olympus Propagation EXperiment) [PDF]
The Olympus-1 satellite carries four distinct payloads for experimental utilization and research in the field of satellite communications: (1) the Direct Broadcasting Service (DBS) payload; (2) the Specialized Services Payload; (3) the 20/30 GHz Advanced
Brussaard, Gert
core +1 more source
Progress and Prospects of Persistent Luminescent Nanocrystals in Biomedical Applications
Advanced Optical Materials, EarlyView.This review summarizes recent progress in materials‐level control of persistent luminescence, including mechanistic understanding, wavelength/intensity tuning, and activation strategies, as well as emerging biomedical applications in imaging, biosensing, cell tracking, optogenetic stimulation, and biophotochemical activation.
Peng Pei +5 more
wiley +1 more source
The Selection of Altitude and Inclination for Remote Sensing Satellites [PDF]
Journal of Astronomy and Space Sciences, 1995 The success of a satellites mission is largely depended upon the choice of an appropriate orbit. In the case of a remote sensing satellite which observes the Earth, there exits an optimum solar elevation angle depending on the mission.
Jeong-Sook Lee, Byoung-Sun Lee
doaj
Research Trends in Utilizing Artificial Intelligence in Satellite-Based Internet of Things: A Scientometric Analysis [PDF]
فصلنامه علوم و فناوری فضاییToday, according to the development of satellite-based hybrid networks -that are able to provide diverse and new services to the most parts of the planet-, the designers of such networks are encouraged to use new communication technologies such as the ...
Pedram Hajipour +3 more
doaj +1 more source
Secure voice for mobile satellite applications [PDF]
The initial system studies are described which were performed at JPL on secure voice for mobile satellite applications. Some options are examined for adapting existing Secure Telephone Unit III (STU-III) secure telephone equipment for use over a digital ...
Berner, Jeff, Vaisnys, Arvydas
core +1 more source
First ATS launch set, December 6 [PDF]
, 1966 Applications Technology Satellite /ATS/ LAUNCHING, communications, power supply, control, and ground station ...
core +1 more source
Advanced Optical Materials, EarlyView.This paper presents the room‐temperature fabrication of solution‐processed, high refractive index TiOX thin films via photo‐densification. Using these films, flexible Bragg mirrors are demonstrated on PET substrates, achieving a high reflectivity of 96% at 450 nm.
Ayumu Nagaoka +5 more
wiley +1 more source
An overview of Space Communication Artificial Intelligence for Link Evaluation Terminal (SCAILET) Project [PDF]
A software application to assist end-users of the link evaluation terminal (LET) for satellite communications is being developed. This software application incorporates artificial intelligence (AI) techniques and will be deployed as an interface to LET ...
Petrik, Edward J. +3 more
core +1 more source