| 摘要 |
A memory address generating method in which a memory bank index and an address control signal, that are required for a series of FFT processes in which a plurality of butterfly input samples are concurrently read from the same number of memory banks, a butterfly calculation is performed thereon by using the plurality of butterfly input samples, and the results are concurrently stored at the same position with the input samples, are calculated within a fixed small delay time by using a differential parity counter.
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