Results 11 to 20 of about 136,014 (304)

Processing of Space Surveillance Observations [PDF]

open access: yes, 2021
This thesis covers the processing of different types of space surveillance measurements. The emphasis is on the initial build-up of a catalogue. Most experiments focus on the identification of objects from pairs of observations by testing whether these two observations could originate from the same object.
Reihs, Benedikt
openaire   +3 more sources

Social Media, Peer Surveillance, Spiritual Formation, and Mission: Practising Christian Faith in a Surveilled Public Space [PDF]

open access: yes, 2018
Social media has become a part of everyday life, including the faith lives of many. It is a space that assumes an observing gaze. Engaging with Foucauldian notions of surveillance, self-regulation, and normalisation, this paper considers what it is about
Lewis, RM
core   +2 more sources

AN ANALYSIS OF THE INFLUENCE OF THE NUMBER OF OBSERVATIONS IN A RANDOM FOREST TIME SERIES CLASSIFICATION TO MAP THE FOREST AND DEFORESTATION IN THE BRAZILIAN AMAZON [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2022
Remote sensing has been an essential tool in combating deforestation. However, the ever-rising deforestation rates require new remote sensing techniques. This paper presents a study to determine the effects on the accuracy of the data analysis of varying
L. S. Vieira   +2 more
doaj   +1 more source

A Low Cost Automatic Detection and Ranging System for Space Surveillance in the Medium Earth Orbit Region and Beyond

open access: yesSensors, 2014
The space around the Earth is filled with man-made objects, which orbit the planet at altitudes ranging from hundreds to tens of thousands of kilometers.
Radu Danescu, Anca Ciurte, Vlad Turcu
doaj   +1 more source

(Always) Playing the Camera: Cyborg Vision and Embodied Surveillance in Digital Games [PDF]

open access: yes, 2022
As the increasingly ubiquitous field of surveillance has transformed how we interact with each other and the world around us, surveillance interactions with virtual others in virtual worlds have gone largely unnoticed.
Solberg, Ragnhild
core   +2 more sources

Compressive Sensing-Based Bandwidth Stitching for Multichannel Microwave Radars

open access: yesSensors, 2020
The problem of obtaining high range resolution (HRR) profiles for non-cooperative target recognition by coherently combining data from narrowband radars was investigated using sparse reconstruction techniques.
Paul Berry   +2 more
doaj   +1 more source

Methods of validation of the ballistic structure of space surveillance system orbital segment

open access: yesВестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2019
Space activity brought about the space debris problem that constitutes a threat to active spacecraft. Nowadays the most efficient way of spacecraft protection against space debris is choosing the appropriate orbit parameters to prevent collisions of ...
I. A. Fadin   +2 more
doaj   +1 more source

LEO Object’s Light-Curve Acquisition System and Their Inversion for Attitude Reconstruction

open access: yesAerospace, 2020
In recent years, the increase in space activities has brought the space debris issue to the top of the list of all space agencies. The fact of there being uncontrolled objects is a problem both for the operational satellites in orbit (avoiding collisions)
Fabrizio Piergentili   +5 more
doaj   +1 more source

Video Streaming and Internalized Surveillance

open access: yes, 2018
This paper aims to develop knowledge about the complicated ways in which the modern individual uses surveillance (techniques) and the ways surveillance uses the individual.
Talvitie-Lamberg, Karoliina
core   +2 more sources

The Politics of Space and Everyday Surveillance in a Delhi Homelessness Shelter: An Ethnographic Exploration

open access: yesInternational Journal on Homelessness, 2022
In this paper, I offer a unique lens through which to theorize neoliberal governance from the perspective of the politics of space and everyday surveillance in Akash Sadan, a Delhi homeless shelter.
Ragini Saira Malhotra
doaj   +1 more source

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