METHOD AND APPARATUS FOR INCREASING THE DIRECTION-FINDING ACCURACY OF A RECEIVER ARRANGEMENT
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United States of America Patent
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Issued Date -
Oct 31, 2013
app pub date -
Dec 23, 2011
filing date -
Dec 29, 2010
priority date (Note) -
Abandoned
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Abstract
A method for increasing a bearing accuracy of a receiver assembly includes providing a receiver assembly which receives sound waves to determine reception signals. The reception signals determine direction signals of a reception direction. Frequency lines of a frequency of a frequency range comprising an amplitude value are attributed to a reception direction based the direction signals. A directional function is formed for each frequency. Each directional function is transformed into a spectral range to obtain a first spectral function comprising first spectral function arguments. The first spectral function are filled with other spectral function arguments between middle spectral function arguments of the first spectral function arguments to obtain filled first spectral arguments. The other spectral function arguments have a respective value of zero or a range of zero. Each of the filled first spectral functions are transformed back from the spectral range to an interpolated first directional function.
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