Results 81 to 90 of about 1,673 (220)
System and circuitry to provide stable transconductance for biasing [PDF]
, 2012 An amplifier system can include an input amplifier configured to receive an analog input signal and provide an amplified signal corresponding to the analog input signal.
Garverick, Steven L., Yu, Xinyu
core +1 more source
Distributed localization of a RF target in NLOS environments
, 2014 We propose a novel distributed expectation maximization (EM) method for non-cooperative RF device localization using a wireless sensor network. We consider the scenario where few or no sensors receive line-of-sight signals from the target. In the case of
Leng, Mei +4 more
core +1 more source
Cooperatively Extending the Range of Indoor Localisation [PDF]
, 2013 ̶Whilst access to location based information has been mostly possible in the\ud outdoor arena through the use of GPS, the provision of accurate positioning estimations and\ud broad coverage in the indoor environment has proven somewhat problematic to ...
Cullen, Gary
core +1 more source
Emitter Geolocation Based on TDOA/FDOA Measurements and Its Analysis
The Journal of Korean Institute of Communications and Information Sciences, 2013 The emitter geolocation method using the time difference of arrival (TDOA) and the frequency difference of arrival (FDOA) has more accurate performance comparing to the single TDOA or FDOA based method. The estimation performance varies with the sensor paring strategies, the deployment and velocities of the sensors.
Dong-Gyu Kim +4 more
openaire +2 more sources
, 2016 The Received Signal Strength based source localization can encounter severe problems originating from uncertain information about the anchor positions in practice.
Angjelichinoski, Marko +3 more
core +1 more source
Detection of PUE- Attack in Cognitive Radio Networks [PDF]
, 2015 Cognitive Radios (CR) are the radios that are widely used in the wireless networks. It is a software based air interface network . Due to the air interface, the probability of attacks increases.
, Megha Chopra, Sonika Soni
core +2 more sources
Finding optimal trajectory points for TDOA/FDOA geo-location sensors
2009 43rd Annual Conference on Information Sciences and Systems, 2009 In emitter geo-location estimation systems, it is well known that the geometry between sensors and the emitter can seriously impact the accuracy of the location estimate. Here we consider a case where a set of sensors is tasked to perform a sequence of location estimates on an emitter as the sensors progress throughout their trajectories.
Ran Ren, Mark L. Fowler, N. Eva Wu
openaire +1 more source
Navigation Operations for the Magnetospheric Multiscale Mission [PDF]
The Magnetospheric Multiscale (MMS) mission employs four identical spinning spacecraft flying in highly elliptical Earth orbits. These spacecraft will fly in a series of tetrahedral formations with separations of less than 10 km.
Carpenter, Russell +2 more
core +1 more source
Основні засади історичного та теоретичного музикознавства [PDF]
, 2019 Робоча програма навчальної дисципліни для аспірантів спеціальності 025 Музичне мистецтво освітньо-наукового рівня «доктор філософії» освітньо-наукової програми 025 Музичне ...
Лігус, Ольга Марківна
core
Configuration Optimization of Renewable Energy Systems Based on FDOA
Zhongguo dianliWith the increasing demand for clean energy worldwide, how to optimize the renewable energy system to reduce the dependence on the traditional power grid is becoming increasingly important.
Lin ZHAO +4 more
doaj +1 more source