Sea Clutter
Modelling and characterisation of radar sea clutter
... of sea clutter RCS described in the previous section, Doppler measurements were increasingly shedding light on the precise behaviour of these non-Bragg ...
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Correlation feature based detector for range distributed target in sea clutter
... During the past decades, many works have been directed so far towards the methods to improve the detec- tion capability of range distributed targets in sea clutter. Adaptive detection methods based on the ...
12
An Improved SASS Model for Sea Clutter Reflectivity at Ku band
... in sea clutter ...in clutter simulation, which reflect the clutter intensity and fluctuation degree ...mean clutter power in a resolution cell should be calculated according to mean ...
8
Analytic Expressions for Radar Sea Clutter WSSUS Scattering Functions
... Abstract: Bello’s stochastic linear time-varying system theory has been widely used in the wireless communications literature to characterize multipath fading channel statistics. In the context of radar backscatter, this ...
20
Effect of Changes in Sea Surface State on Statistical Characteristics of Sea Clutter with X Band Radar
... the sea-surface state at the same time as taking radar ...Kaiho Sea Fortress. The Daini Kaiho Sea Fortress is a fortification initially built on the water at the entrance to Tokyo Bay as part of the ...
9
Retrieving Evaporation Duct Heights from Radar Sea Clutter Using Particle Swarm Optimization (PSO) Algorithm
... radar is effectively blind and an increase in the sea clutter. Hence, radio systems/radar systems operating in these environments would benefit from knowing the effects of the environment on their system ...
13
Sea clutter constituent synthesis approach based on a new decomposition model
... a sea clutter decomposition model (SCD model) is proposed via decomposing sea clutter in the frequency ...sured sea clutter time series under different sea states and ...
15
Using particle filter to track horizontal variations of atmospheric duct structure from radar sea clutter
... Recent developments have demonstrated that particle fil- ter (PF) is an emerging and powerful methodology for se- quential signal processing with a wide range of applications in science and engineering (Arulampalam et ...
8
Sea Clutter and Target Detection with Deep Neural Networks
... to clutter suppression using only radar echo data inspired by the huge success of deep learning algorithms which typically have revolutionized several applications such as computer vision or speech ...automatic ...
11
Simulation of Sea Clutter at Low Grazing Angles
... mean clutter reflectivity, is defined as the RCS per unit area of sea surface illuminated by ...mean clutter intensity, the amplitude variation of sea clutter is defined as the ...
8
A Survey on Target Detection Techniques under Sea Clutter
... to sea when a small incident angles , the radar echo intensity will be significantly enhanced, the probability density function curve amplitude noise will be significant smearing , namely sea peak effect [ ...
8
Multistatic adaptive CFAR detection in non Gaussian clutter
... Sea clutter is typically non-Gaussian and non-stationary, which makes the design of proper detection algorithms a critical ...Gaussian clutter, this algo- rithm is able to keep constant the false ...
17
Radar Cross Sections of Sea and Ground Clutter Estimated by Two Scale Model and Small Slope Approximation in HF-VHF Bands
... and clutter which, if its level is too high, can stop us from detecting a ...ionospheric clutter interferes with radar performance [2]. Ionospheric clutter in HF-VHF bands has recently been dealt ...
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Adaptive Thresholding in Marine RADARs
... upon sea surface or near it, marine radars should be capable of distinguishing signals of target reflections from the sea ...with clutter and non-stationary noises, and is based on adaptive ...
7
Refractivity from Clutter by Variational Adjoint Approach
... Abstract—Inferring refractivity profiles from radar sea clutter is a complex nonlinear optimization problem. Previous works treat this problem as a model parameter estimation issue by using some idealized ...
22
Range ambiguity clutter suppression for bistatic STAP radar
... achieve clutter suppression for bistatic airborne radar with range ...(1) clutter ridges of various ambiguous ranges at all training cell are deter- mined according to the corresponding angle-Doppler curves ...
13
Subspace Clutter Removal Techniques in GPR Images
... above clutter removal methods and in the case of rare inhomogeneous soil medium where its statistical properties vary with position along the surface, it can apply mean subtraction/removal (MS) [13], whereby the ...
9
Translation clutter: A study on Indian audio, visual advertisements.
... translation clutter in audio and visual advertisement and their interpretation by the consumers, with special reference to Hindi to Malayalam translated ...
8
Adaptation of Rejection Algorithms for a Radar Clutter
... The synthesis of required algorithms for the non-recursive adaptive rejection filter (ARF) of the given order consists in determination of the weighting coefficients vector G={G k }, which realizes the best effectiveness ...
6
“Digital collections of photographs: valuable memories or digital clutter?”
... This discussion answers one important question: why a significant amount of the current digital collections of photographs has less value for the owners and is being considered digital clutter? It can be assumed ...
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