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PRESSURE AS A FUNCTION OF DISTANCE, PART II
AIR FORCE CAMBRIDGE RESEARCH LABS L G HANSCOM FIELD MASS
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The data of experience give the correlation in the pressures recorded at pairs of stations situated at varying distances apart. Starting with an arbitrarily chosen stochastic model, a model so chosen approximately to describe the observed effects, a formula for the correlation for any pair of stations is deduced. The parameters in the model were guessed so that the cross-sections of the correlation-distance surface have the same kind of pattern as those observed in the observed data, and the theoretical correlations between the pressures at several pairs of stations were calculated. The agreement, for stations reasonably close together, between the observed correlations and those deduced from the model, is enough for accurate estimation instead of guesswork of the parameters in the model to be worthwhile carrying out. The results of calculations with the model, using accurately estimated parameters, will indicate possible desirable modifications. Author
APPROVED FOR PUBLIC RELEASE