Performance of coherent frequency hop/pseudonoise spread spectrum / Miller Communications Systems Limited. : Co24-112/2-1978E-PDF. Performance of non-coherent frequency hop/pseudonoise spread spectrum / Miller Communications Systems Limited. : Co24-112/1-1978E-PDF. Power spectrum of. 1. Bandspreading is done by direct modulation of the data-modulated. L'étalement est effectué par la modulation du signal utile. Spread-spectrum systems have found important commercial applications in CDMA It includes a CD-ROM containing the entire book in fully searchable pdf. Spread spectrum signal receiver using an autoadaptive detection threshold. Title: European Patent EP0738049. Document Type and Number: Kind Code:. PDFs. Recepteurs en r&teau pour les systemes & etalement de spectre par sequences directes RAKE RECEIVERS FOR DIRECT SEQUENCE SPREAD SPECTRUM SYSTEMS.