Results 31 to 40 of about 47,698 (298)
Direction detector for distributed targets in unknown noise and interference [PDF]
, 2013 Adaptive detection of distributed radar targets in homogeneous Gaussian noise plus subspace interference is addressed. It is assumed that the actual steering vectors lie along a fixed and unknown direction of a preassigned and known subspace, while ...
Bandiera, Francesco +3 more
core +1 more source
Jammer-Nulling Transmit-Adaptive Radar Against Knowledge-Based Jammers in Electronic Warfare
IEEE Access, 2019 The authors present transmit-adaptive jammer nulling waveforms in cognitive radar (CRr) for aircraft response recognition as a form of electronic support in the electronic warfare domain. New forms of knowledge-based noise jammers that function as a form
Q. Jeanette O. Tan, Ric A. Romero
doaj +1 more source
Counter-Interception and Counter-Exploitation Features of Noise Radar Technology
Remote Sensing, 2021 In defense applications, the main features of radars are the Low Probability of Intercept (LPI) and the Low Probability of Exploitation (LPE). The counterpart uses more and more capable intercept receivers and signal processors thanks to the ongoing ...
Gaspare Galati +3 more
doaj +1 more source
Current Directions in Biomedical Engineering, 2023 One of the difficulties in sorting extracellularly recorded neuronal action potentials, known as spikes, is noise from several sources superimposed on the target spike.
Samann Fars, Meyer Luca, Schanze Thomas
doaj +1 more source
Amplitude estimation of a signal with known waveform in the presence of steering vector uncertainties [PDF]
, 2005 In this correspondence, we address the problem of estimating the amplitude of a signal with known waveform received on an array of sensors and we consider the case where there exist uncertainties about the spatial signature of the signal of interest ...
Besson, Olivier +2 more
core +1 more source
Sidelobe Performance Analysis of Noise Waveforms Considering the Doppler Mismatch [PDF]
, 2020 peer reviewedWaveform design and optimization algorithms generally assume a zero-Doppler ideal case to reach an optimum or satisfactory solution in terms of the matched filter output.
Pralon, Leandro +3 more
core +1 more source
Energy Reports, 2023 In the present study, a HVDC PD test platform with bandwidth of 10 kHz–50 MHz and 250 MS/s sampling rate is built for the ultra-wideband (UWB) detection and investigation of time–frequency (T–F) characteristics of abnormal waveshapes or waveforms in PD ...
Wenrong Si +3 more
doaj +1 more source
Application of nonlinear regression in the analysis of relaxation photocurrent waveforms [PDF]
Metrology and Measurement Systems, 2023 This article discusses the performance of an algorithm for detection of defect centers in semiconductor materials. It is based on direct parameter approximation with nonlinear regression to determine the parameters of thermal emission rate in the ...
Witold Kaczmarek +4 more
doaj +1 more source
Chirp Signals and Noisy Waveforms for Solid-State Surveillance Radars
Aerospace, 2017 Since the advent of “pulse compression” radar, the “chirp” signal (Linear Frequency Modulation, LFM) has been one of the most widely used radar waveforms.
Gaspare Galati +2 more
doaj +1 more source
Noise radar technology: Pseudorandom waveforms and their information rate [PDF]
2014 15th International Radar Symposium (IRS), 2014 The well-known LPI (Low Probability of Intercept) and antispoofing capabilities of some radar waveforms as well some other desirable feature such as a low sidelobes level of their autocorrelation function can be enhanced by “tailored” pseudo-random sequences, whose phase is made up by a deterministic part plus a variable random term.
GALATI, GASPARE +2 more
openaire +1 more source