| 摘要 |
<p>PURPOSE:To improve the processing efficiency considerably, by lengthening data subjected to parallel processings as much as possible and shortening intervals of these data on a memory as much as possible and satisfying parallel processing conditions completely. CONSTITUTION:Vector data as operation objects and a rotatory factor table are stored in a memory device 12. A controller 13 controls each device in accordance with processing procedures of multidimensional discrete Fourier conversion MDFT. The data transfer between the device 12 and a vector operating device 14, the data transfer between the device 12 and the device 14, and the data transfer between the device 12 and a generating and revising device 16 of the rotatory factor table for MDFT are performed through a data transfer device 15. In the device 14, various operations for transmitted vector data and the rotatory factor table are processed in parallel. The device 16 generates another rotatory factor table for MDFT on a basis of the rotatory factor table to revice the rotatory factor table for MDFT.</p> |
