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Technical Note: Variance-covariance matrix and averaging kernels for the Levenberg-Marquardt solution of the retrieval of atmospheric vertical profiles
Variance-covariance matrix and averaging kernels the Levenberg-Marquardt solution atmospheric vertical profiles
2010/8/12
The variance-covariance matrix (VCM) and the averaging kernel matrix (AKM) are widely used tools to characterize atmospheric vertical profiles retrieved from remote sensing measurements. Accurate esti...
A Fast Averaging Synchronization Algorithm for Clock Oscillators in Nonlinear Dynamical Network with Arbitrary Time-delays
Clock synchronization dynamical network arbitrary time-delays consensus algorithm
2010/3/29
This paper investigates the synchronization problem of
clock oscillators in nonlinear dynamical network with arbitrary
time-dealys. Firstly, a dynamic synchronization algorithm based on
consensus c...
Mirror averaging with sparsity priors
Mirror averaging progressive mixture sparsity aggregation of estimators oracleinequalities
2010/3/11
We consider the problem of aggregating the elements of a (possibly infinite) dictionary
for building a decision procedure, that aims at minimizing a given criterion. Along with the
dictionary, an in...
The averaging problem in cosmology is of considerable importance for the correct interpretation of cosmological data. We review cosmological observations and discuss some of the issues regarding avera...
Bayesian Analysis of Comparative Microarray Experiments by Model Averaging
Microarrays gene expression gamma distribution log-normal distribution model averaging true and false positive rates false discovery rate
2009/9/21
A major challenge to the statistical analysis of microarray data is
the small number of samples limited by both cost and sample availability
compared to the large number of genes, now soaring into t...
Nonparametric Bayesian model selection and averaging
Adaptation rate of convergence Bayes factor rate of contraction
2009/9/16
We consider nonparametric Bayesian estimation of a probability density p based on a random sample of size n from this density using a hierarchical prior. The prior consists, for instance, of prior wei...
A Fast Averaging Synchronization Algorithm for Clock Oscillators in Nonlinear Dynamical Network with Arbitrary Time-delays
Clock synchronization dynamical network arbitrary time-delays
2009/9/9
This paper investigates the synchronization problem of clock oscillators in nonlinear dynamical network with arbitrary time-dealys. Firstly, a dynamic synchronization algorithm based on consensus cont...
Averaging hydraulic head, pressure head, and gravitational head in subsurface hydrology, and implications for averaged fluxes, and hydraulic conductivity
hydraulic head pressure head gravitational head subsurface hydrology
2009/7/22
Current theories for water flow in porous media are valid for scales much smaller than those at which problem of public interest manifest themselves. This provides a drive for upscaled flow equations...
Examples of the effects of different averaging methods on carbon dioxide fluxes calculated using the eddy correlation method
Eddy covariance detrending
2009/3/24
Three hours of high frequency vertical windspeed and carbon dioxide concentration data recorded over tropical forest in Brazil are presented and discussed in relation to various detrending techniques ...
Averaging kernels for DOAS total-column satellite retrievals
Averaging kernels DOAS satellite retrievals
2009/3/11
The Differential Optical Absorption Spectroscopy (DOAS) method is used extensively to retrieve total column amounts of trace gases based on UV-visible measurements of satellite spectrometers, such as ...
Bayesian Model Averaging and Bayesian Predictive Information Criterion for Model Selection
Bayesian model averaging Bayesian predictive information criterion Markov chain Monte Carlo
2009/3/5
The problem of evaluating the goodness of the predictive distributions developed by the Bayesian model averaging approach is investigated. Considering the maximization of the posterior mean of the exp...
Systematic errors in global air-sea CO2 flux caused by temporal averaging of sea-level pressure
Systematic errors global air-sea CO2 flux temporal averaging sea-level pressure
2009/2/11
Long-term temporal averaging of meteorological data, such as wind speed and air pressure, can cause large errors in air-sea carbon flux estimates. Other researchers have already shown that time averag...
On the time-averaging of ultrafine particle number size spectra in vehicular plumes
time-averaging ultrafine particle size spectra vehicular plumes
2009/1/16
Ultrafine vehicular particle (<100 nm) number size distributions presented in the literature are mostly averages of long scan-time (~30 s or more) spectra mainly due to the non-availability of commerc...
Influence of Space-Time Averaging on the Ocean-Atmosphere Exchange Estimates in the North Atlantic Midlatitudes
Space-Time Averaging North Atlantic Midlatitudes Ocean-Atmosphere
2008/12/16
“Classical” and “sampling” methods of air-sea exchange estimates are considered. On the basis of meteorological observations at ocean weather stations in the North Atlantic, datasets of midlatitudinal...
A Framework for Mesoscale Eddy Parameterization Based on Density-Weighted Averaging at Fixed Height
Framework Mesoscale Eddy Parameterization Density-Weighted Averaging Fixed Height
2008/7/31
A framework for mesoscale eddy parameterization based on density-weighted averaging at fixed height is developed. The method uses the fully non-Boussinesq equations of motion and is connected to the e...