نتایج جستجو برای: passive detection
تعداد نتایج: 632461 فیلتر نتایج به سال:
Abstract: This paper proposes a novel scheme for multi-static passive radar processing, based on soft-input soft-output processing and Bayesian sparse estimation. In this scheme, each receiver estimates the probability of target presence based on its received signal and the prior information received from a central processor. The resulting posterior target probabilities are transmitted to the c...
In this paper a novel method is introduced for target detection in bistatic passive radars which uses the concept of correntropy to distinguish correct targets from false detections. In proposed method the history of each cell of ambiguity function is modeled as a stochastic process. Then the stochastic processes consist the noise are differentiated from those consisting targets by constructing...
This paper examines the feasibility of Long Term Evolution (LTE)-based passive radar for detecting ground moving targets. Specifically, the focus of this paper is to describe the proposed LTE-based passive radar system and to conduct an experiment using a real LTE eNB transmitter as an illumination source. Seven scenarios were carried out to investigate the detection performance of the proposed...
In recent years, based on the growing importance of clean energy in comparison with conventional energy production from fossil fuels, DG systems are gradually becoming more popular all over the world. These resources solve many problem of system. However, these resources create some other problems too. One of the most problem of DGs is unwanted islanding. This paper addresses reliable passive i...
most of the researches do not differentiate between intuitive critic and passive one – in the field of features, applications and methods. this critical school is called emotional or passive critics which emphasizes aesthetics. thus sensitivity is not the only appliance to wisdom but is a mean to inspire happiness or unhappiness feeling. consequently the passive (critical) school is the result ...
This paper proposes a layered container inspection system for detecting illicit nuclear materials using radiography information. We argue that the current inspection system, relying heavily on the Automated Targeting System (ATS) and passive radiation detectors, is inherently incapable of reliably detecting shielded radioactive materials, especially highly enriched uranium (HEU). This motivates...
Passive acoustic aircraft and wake localization methods rely on the noise emission from their wakes for detection, tracking, characterization. This paper takes a holistic approach to passive first presents systematic bibliographic review of aeroacoustic drones, followed by summary sound generation wing tip vortices. The propagation through atmosphere is then summarized. techniques utilize an ar...
We present an innovative intrusion detection model based on autonomic computing to extend the passive detection mechanism in a traditional intrusion detection system (IDS). Centered on an autonomic manager, this model introduces a multi-attribute auction mechanism in the agent coordination layer to perceive environmental changes, manage and allocate resources, and achieve an active response to ...
OBJECTIVE To assess the efficacy of passive and active limb movement to improve visual scanning in patients with hemispatial neglect. DESIGN Before-after trial: behavioral analyses of a case series. SETTING Stroke rehabilitation unit in a tertiary care hospital. PARTICIPANTS Nine individuals with right-hemisphere stroke (mean time poststroke, 19.5 mo) and left-sided neglect, as assessed b...
Distributed Generator (DG) is a part of distribution network which is used to supply power both to the local loads and network. DG provides clean energy as it uses pollution free re-newable energy resources to generate power so interest in DG increases. Although DG provides many advantages such as improved reliability, efficiency etc it faces one technical issue called unwanted islanding phenom...
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