| 摘要 |
PCT No. PCT/FR86/00402 Sec. 371 Date Jul. 20, 1987 Sec. 102(e) Date Jul. 20, 1987 PCT Filed Nov. 25, 1986 PCT Pub. No. WO87/03756 PCT Pub. Date Jun. 18, 1987.The invention provides a method of producing surface wave dispersive filters of RAC type, in which, in an RAC of known type, one of the input or output transducers is replaced by a transducer forming a surface wave filter and whose transfer function allows the errors of the initial transfer function of the RAC to be corrected.
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