Results 21 to 30 of about 6,799,249 (280)

A neural network framework for binary classification of radar detections

open access: yesEURASIP Journal on Advances in Signal Processing, 2021
A desired objective in radar target detection is to satisfy two very contradictory requirements: offer a high probability of detection with a low false alarm rate.
Jabran Akhtar
doaj   +1 more source

Modified rank sum nonparametric CFAR to combat clutter edge

open access: yesEURASIP Journal on Advances in Signal Processing, 2023
The classical rank sum (RS) nonparametric constant false alarm rate (CFAR) detector plays an important role in the theoretical study and practical application of radar target detection.
Meng Xiangwei, Meng Yuan
doaj   +1 more source

Acoustic tamper detection sensor with very low false alarm rate [PDF]

open access: yes, 2008
We describe a device designed to detect interference (vandalism or tampering) by acoustic means. The design employs both a piezoelectric vibration transducer and a common microphone in a novel mechanical arrangement.
Lawrence Muijlwijk   +3 more
core   +1 more source

Proximate factors underpinning receiver responses to deceptive false alarm calls in wild tufted capuchin monkeys: is it counterdeception? [PDF]

open access: yes, 2013
Previous research demonstrates that tufted capuchin monkeys use terrestrial predator alarm calls in a functionally deceptive manner to distract conspecifics when feeding on contestable resources, although the success of this tactic is limited because ...
Wheeler, Brandon C.   +4 more
core   +1 more source

Closed‐form expressions and statistical analysis of constant false alarm rate detection in multiple false target jamming condition

open access: yesIET Radar, Sonar & Navigation, 2022
Multiple false target jamming is an effective electronic attack measurement that will deteriorate the detection performance of radar constant false alarm rate (CFAR) detector, but its effects lack sufficient exploration. To solve the problem, an upgraded
Xiaozhou Chen   +3 more
doaj   +1 more source

New matrix constant false alarm rate detectors for radar target detection

open access: yesThe Journal of Engineering, 2019
Matrix constant false alarm rate (M-CFAR) detector based on information geometry provides a novel scheme to the detection of target in sea clutter environment for pulse Doppler radar with small bunch of pulses. The detection performance of the existing M-
Wenjing Zhao   +3 more
doaj   +1 more source

A STUDY OF UNSUPERVISED CHANGE DETECTION BASED ON TEST STATISTIC AND GAUSSIAN MIXTURE MODEL USING POLSAR SAR DATA [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2017
To solve the problems of existing method of change detection using fully polarimetric SAR which not takes full advantage of polarimetric information and the result of false alarm rate of which is high, a method is proposed based on test statistic and ...
Y. Yang, W. Liu
doaj   +1 more source

Competition-induced stress does not explain deceptive alarm calling in tufted capuchin monkeys [PDF]

open access: yes, 2014
Tactical deception has long attracted interest because it is often assumed to entail complex cognitive mechanisms. However, systematic evidence of tactical deception is rare and no study has attempted to determine whether such behaviours may be ...
Heistermann, Michael   +6 more
core   +1 more source

MIMO radar techniques: two-stage constant false alarm rate detection for fast-fluctuating targets

open access: yesThe Journal of Engineering, 2019
Here, the authors analyse a two-step constant false alarm rate (CFAR) detection problem in distributed sensor system (e.g. statistical multiple-input multiple-output (MIMO) radar) for fast-fluctuating targets (TS-AMF-II).
Zhihua Li   +3 more
doaj   +1 more source

A False Alarm Elimination Algorithm of Foreign Objects Debris Detection Based on Duffing Oscillator

open access: yesIEEE Access, 2022
The main challenge of foreign objects debris (FOD) monitoring based on millimeter-wave (MMW) radar is the interference of strong ground clutter. The clutter-map constant false alarm rate (CM-CFAR) method is commonly utilized for FOD monitoring, but ...
Jun Zhong   +3 more
doaj   +1 more source

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