220983 ⎘
Networks using digital techniques; Frequency selective networks; Filters characterised by a particular frequency response or filtering method; Filter sets with mutual related characteristics; Polyphase filters comprising non-recursive filters having two phases
Decimation filter
#2Digital frequency converter and method of processing in a digital frequency converter
#3Apparatus with a plurality of filters
#4Exponentiated polyphase digital filter
#5Digital filter with spatial scalability
#6Thinning filter and test apparatus
#7Multirate filter as well as display system and mobile telephone comprising said multirate filter