CA1114081A - Systeme de communication blu-mrf derive d'un groupe de filtres digitaux passe-bande complexe - Google Patents

Systeme de communication blu-mrf derive d'un groupe de filtres digitaux passe-bande complexe

Info

Publication number
CA1114081A
CA1114081A CA354,410A CA354410A CA1114081A CA 1114081 A CA1114081 A CA 1114081A CA 354410 A CA354410 A CA 354410A CA 1114081 A CA1114081 A CA 1114081A
Authority
CA
Canada
Prior art keywords
complex
real
baseband
sample sequences
band
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA354,410A
Other languages
English (en)
Inventor
Rikio Maruta
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
Nippon Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP1932876A external-priority patent/JPS5831061B2/ja
Priority claimed from JP5417976A external-priority patent/JPS5831059B2/ja
Priority claimed from CA272,405A external-priority patent/CA1090492A/fr
Application filed by Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to CA354,410A priority Critical patent/CA1114081A/fr
Application granted granted Critical
Publication of CA1114081A publication Critical patent/CA1114081A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
CA354,410A 1976-02-24 1980-06-19 Systeme de communication blu-mrf derive d'un groupe de filtres digitaux passe-bande complexe Expired CA1114081A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA354,410A CA1114081A (fr) 1976-02-24 1980-06-19 Systeme de communication blu-mrf derive d'un groupe de filtres digitaux passe-bande complexe

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP19328/1976 1976-02-24
JP1932876A JPS5831061B2 (ja) 1976-02-24 1976-02-24 デイジタル処理による単側帯波周波数分割多重方式
JP54179/1976 1976-05-12
JP5417976A JPS5831059B2 (ja) 1976-05-12 1976-05-12 単側帯波周波数分割多重信号復調方式
CA272,405A CA1090492A (fr) 1976-02-24 1977-02-23 Systeme de communication blu-mrf derive d'un groupe de filtrage passe-bande digital complexe
CA354,410A CA1114081A (fr) 1976-02-24 1980-06-19 Systeme de communication blu-mrf derive d'un groupe de filtres digitaux passe-bande complexe

Publications (1)

Publication Number Publication Date
CA1114081A true CA1114081A (fr) 1981-12-08

Family

ID=27425976

Family Applications (1)

Application Number Title Priority Date Filing Date
CA354,410A Expired CA1114081A (fr) 1976-02-24 1980-06-19 Systeme de communication blu-mrf derive d'un groupe de filtres digitaux passe-bande complexe

Country Status (1)

Country Link
CA (1) CA1114081A (fr)

Similar Documents

Publication Publication Date Title
Bellanger et al. TDM-FDM transmultiplexer: Digital polyphase and FFT
CA1063184A (fr) Filtre numerique non recurrent a coefficients simples
US4839889A (en) Digital filter tree
US4107470A (en) Digital SSB-FDM communication system derived from a complex band-pass digital filter bank and by a filter breakdown process
Scheuermann et al. A comprehensive survey of digital transmultiplexing methods
US4785447A (en) FDM demultiplexer using oversampled digital filters
US4777612A (en) Digital signal processing apparatus having a digital filter
US4792943A (en) Digital filter bank
US4101738A (en) Arrangement for processing auxiliary signals in a frequency multiplex transmission system
WO1979000271A1 (fr) Convertisseur fdm/tdm
US4412325A (en) Equipment for single band multiplexing through digital processing
CA1281080C (fr) Bloc de selection numerique de la frequence intermediaire
CA2122652C (fr) Filtre demi-bande pour demultiplexeur de groupe cellulaire
Maruta et al. An improved method for digital SSB-FDM modulation and demodulation
EP0523307A1 (fr) Filtre numérique à décimation pour convertisseur sigma-delta et équipement terminal de données comprenant un tel filtre
JPS60501486A (ja) フィルタ及びそれを用いるデータ伝送システム
CA1114081A (fr) Systeme de communication blu-mrf derive d'un groupe de filtres digitaux passe-bande complexe
JP3294017B2 (ja) 複素ベースバンド信号のデジタル発生方法
US4794556A (en) Method and apparatus for sampling in-phase and quadrature components
CA1115864A (fr) Systeme a bande laterale unique et multiplexage par repartition en frequence (blu-mrf) commande a partir d'un groupe de filtres digitaux passe-bande complexes
Constantinides et al. An efficient and modular transmultiplexer design
Takahata et al. Development of a TDM/FDM transmultiplexer
CA1288827C (fr) Structure arborescente de filtres numeriques
GB1437205A (en) Digital equipment for forming a frequency multiplex system
Tomlinson et al. Techniques for the digital interfacing of TDM-FDM systems

Legal Events

Date Code Title Description
MKEX Expiry