Results 1 to 10 of about 2,833 (167)

Hexagonal-Triangular Combinatorial Structure Based Dual-Band Circularly Polarized Patch Antenna for GAGAN Receivers

open access: yesIEEE Access, 2023
A multilayer gap-coupled dual-band hexagonal microstrip patch antenna is presented for GPS Aided GEO Augmented Navigation (GAGAN) receivers. GAGAN is developed by AAI (Airport Authority of India) and ISRO (Indian Space Research Organization) exclusively ...
M Nirmala Devi, Jayakumar M
exaly   +4 more sources

Investigation of ionospheric gradients for GAGAN application [PDF]

open access: yesEarth, Planets and Space, 2009
Abstract To cater to the needs of aviation applications, GPS Aided GEO Augmented Navigation (GAGAN) system is being implemented over the Indian region. The most prominent parameter affecting the navigation accuracy of GAGAN is ionospheric delay which is a function of TEC.
Chandra, K. Ravi   +2 more
exaly   +2 more sources

Improvement of Position Accuracy with GAGAN and the Impact of Scintillation on GNSS

open access: yesPositioning, 2013
GAGAN is an Indian implementation of Satellite Based Augmentation System (SBAS), developed jointly by Airports Authority of India (AAI) and Indian Space Research Organisation (ISRO). It is in final operational phase with all the required ground and space segments ready.
Surendra Sunda
exaly   +3 more sources

AN ANALYSIS STUDY OF PROTECTION LEVELS AT A LOW LATITUDE INDIAN STATION FOR THE GAGAN [PDF]

open access: yesJournal of Engineering Science and Technology, 2017
GPS-aided Geo-augmented Navigation (GAGAN) provides an improvement in accuracy and integrity to Global Navigation Satellite System (GNSS) signals for navigation and positioning applications in India.
SRIDHAR M.   +2 more
doaj   +2 more sources

Emergency message broadcast through SBAS satellites: a novel framework using message type 63 of GAGAN constellation

open access: yesGeomatics, Natural Hazards and Risk
Uninterrupted communication during pre-disaster preparedness and post-disaster recovery greatly reduces mortality. Unfortunately, during natural calamities, communication becomes void as terrestrial communication infrastructure is destroyed and becomes ...
T M Balakrishnan Nair, G Lavanya Devi
exaly   +3 more sources

ANALYSIS OF CORRELATION BETWEEN ROTI AND S4 USING GAGAN DATA [PDF]

open access: yesProgress in Electromagnetics Research M, 2021
Neelakantham Alivelu Manga   +3 more
exaly   +2 more sources

GAGAN: Geometry-Aware Generative Adversarial Networks [PDF]

open access: yes2018 IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2018
Deep generative models learned through adversarial training have become increasingly popular for their ability to generate naturalistic image textures. However, aside from their texture, the visual appearance of objects is significantly influenced by their shape geometry; information which is not taken into account by existing generative models.
Jean Kossaifi   +3 more
openaire   +3 more sources

Community-Based Mental Health Services in India: Current Status and Roadmap for the Future [PDF]

open access: yesConsortium Psychiatricum, 2021
An estimated 197.3 million people have mental disorders in India, and majority of the population have either no or limited access to mental health services. Thus, the country has a huge burden of mental disorders, and there is a significant treatment gap.
Gagan Hans, Pratap Sharan
doaj   +1 more source

Estimation and analysis of user IPP delays using bilinear model for satellite-based augmented navigation systems

open access: yesAviation, 2013
Several countries are involved in developing satellite-based augmentation systems (SBAS) for improving the positional accuracy of GPS. India is also developing one such system, popularly known as GPS-aided geo-augmented navigation (GAGAN), to cater to ...
D. Venkata Ratnam
doaj   +1 more source

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