According to the referrals, Mr. Crane may have masked the source of some of his clients' political contributions by charging the clients for appearing at fund-raisers and then making campaign donations in his own name.
To compensate for this lack of information, each masked estimated source is considered as uncertain and described in the form of a posterior distribution of each Fourier coefficient of the clean signal given the available information.
However, since the meteorology is measured at an away location in Liberty, PA, local perturbations due to dilution of primary particles from the sources could have been masked by area sources.
A labyrinth of tax-exempt groups and limited-liability companies helps mask the sources of the money.
According to the indictment, Margulies used the accounts of Somerton and a Panama-based firm – referred to by the US authorities as "Margulies Intermediaries" – to "mask the sources and beneficiaries of bribe and kickback payments".
The governor also proposed a ban on the practice of "wheeling" political contributions from committee to committee, allowing political parties, particularly at the local level, to mask the sources of their money.
In the presence of natural masking sounds, however, the effective detection distance will depend on the level and spatial distribution of the masking sound sources.
This has also been asserted by UK NICE; "Average cost-effectiveness can, therefore, mask important sources of heterogeneity which may be important to reflect in decision making…" ([ 15], p. 3).
Such local or regional sampling can be effective in detecting fine levels of population structure and revealing patterns of sympatric divergence but may mask other sources of substructuring, such as the presence of biogeographic or physical barriers to gene flow.
The material is believed to derive from Manning, although WikiLeaks does not reveal its sources and its operations are designed to mask the source of the files it receives.
