| http://www.w3.org/ns/prov#value | - The order of the filter may be anything, but at least one more than the number of FFT stages into which it is planned to decompose the Butler Matrix DFT. If a maximum bandwidth, minimum loss solution is desired, decomposing the DFT into the maximum number of FFT stages is likely to be best???for example, a base-two or base-4 structure, if N is a power of two.
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