نتایج جستجو برای: geochemical noises

تعداد نتایج: 18910  

2014
Jun’ichi YOKOYAMA

After reviewing the standard hypothesis test and the matched filter technique to identify gravitational waves under Gaussian noises, we introduce two methods to deal with non-Gaussian stationary noises. We formulate the likelihood ratio function under weakly non-Gaussian noises through the Edgeworth expansion and strongly non-Gaussian noises in terms of a new method we call Gaussian mapping whe...

2012
Giulio Caravagna

NoisySim is an open source Java library to simulate Gillespie-like intrinsically stochastic chemically reacting systems affected by extrinsic bounded noises. Noises are synthesized by (state-dependent) Langevin systems, in turn affecting the jump rates of a Markov process. Hence, the overall process is doubly stochastic (i.e. hybrid time-inhomogenous). NoisySim implements an exact simulation al...

2016
Xi Liu Hua Qu Ji-hong Zhao Pengcheng Yue Meng Wang

A new algorithm called maximum correntropy unscented Kalman filter (MCUKF) is proposed and applied to relative state estimation in space communication networks. As is well known, the unscented Kalman filter (UKF) provides an efficient tool to solve the non-linear state estimate problem. However, the UKF usually plays well in Gaussian noises. Its performance may deteriorate substantially in the ...

2014
Sinyeob LEE Yunsang KWAK Boseung KIM Jongho LEE Junhong PARK

In vehicles, consumer complains against BSR (buzz, squeak, rattle) noises are increasing. The BSR noises includes continuous or impulsive sounds depending on the generation mechanism. The evaluation method for rating the annoyance of BSR noises is required after taking these irregularly and periodicity. For continuous sounds, conventional Fourier transfer provides sufficient information on the ...

The most significant aspect of a geochemical exploration program is to define and separate the anomalous values from the background. In the past decades, geochemical anomalies have been identified by means of various methods. Most of the conventional statistical methods aiming at defining the geochemical concentration thresholds for separating anomalies from the background have limited the effi...

2008
K. G. McQueen

Geochemical anomalies are geochemical features different from what is considered normal. They can be the result of: 1. unusual or uncommon processes concentrating particular elements (e.g. an ore-forming process, weathering and element dispersion from an unusual element concentration such as an orebody); 2. element accumulation or concentration by common processes acting over long periods (e.g....

Journal: :Journal of Physics A: Mathematical and Theoretical 2007

Journal: :Communications in Mathematical Physics 2000

Journal: :Journal of the Mining and Metallurgical Institute of Japan 1974

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