| 摘要 |
PCT No. PCT/JP93/00174 Sec. 371 Date Oct. 14, 1993 Sec. 102(e) Date Oct. 14, 1993 PCT Filed Feb. 12, 1993 PCT Pub. No. WO93/16432 PCT Pub. Date Aug. 19, 1993.Pseudo random pattern generators (11 through 1m) of respective channels generate pseudo random patterns on the basis of the same n-order generator polynomial. A pseudo random pattern calculating part calculates data X(t1), X(t2), . . . , X(tm), . . . , X(tpm) that are generated at times t1, t2, . . . , tm, . . . , tpm at intervals zk and loads them as initial values in an initial value table in the case where a pseudo random pattern is generated by a pseudo random pattern generator identical in construction with the pseudo random pattern generator of each channel. Initial value data of one of such p sets of initial values are set in the pseudo random pattern generators (11 through 1m) of the respective channels, after which the generation of a pseudo random pattern is started.
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