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JPS53137657A - Phase demodulation unit - Google Patents

Phase demodulation unit

Info

Publication number
JPS53137657A
JPS53137657A JP5219277A JP5219277A JPS53137657A JP S53137657 A JPS53137657 A JP S53137657A JP 5219277 A JP5219277 A JP 5219277A JP 5219277 A JP5219277 A JP 5219277A JP S53137657 A JPS53137657 A JP S53137657A
Authority
JP
Japan
Prior art keywords
demodulation unit
phase demodulation
waves
section
quadruple
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.)
Granted
Application number
JP5219277A
Other languages
Japanese (ja)
Other versions
JPS5855709B2 (en
Inventor
Tadashi Fujino
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP5219277A priority Critical patent/JPS5855709B2/en
Publication of JPS53137657A publication Critical patent/JPS53137657A/en
Publication of JPS5855709B2 publication Critical patent/JPS5855709B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Radio Relay Systems (AREA)

Abstract

PURPOSE: To prevent the malfunction even with deterioration of received CNR, by forming the unique words at pre-amble section with duplex phase PSK waves and the data section with quadruple PSK waves.
COPYRIGHT: (C)1978,JPO&Japio
JP5219277A 1977-05-07 1977-05-07 phase demodulator Expired JPS5855709B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5219277A JPS5855709B2 (en) 1977-05-07 1977-05-07 phase demodulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5219277A JPS5855709B2 (en) 1977-05-07 1977-05-07 phase demodulator

Publications (2)

Publication Number Publication Date
JPS53137657A true JPS53137657A (en) 1978-12-01
JPS5855709B2 JPS5855709B2 (en) 1983-12-10

Family

ID=12907923

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5219277A Expired JPS5855709B2 (en) 1977-05-07 1977-05-07 phase demodulator

Country Status (1)

Country Link
JP (1) JPS5855709B2 (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01190152A (en) * 1987-12-04 1989-07-31 Motorola Inc Tdma radio system using bpsk synchronization for qpsk signal receiving random phase variation and multi-pass fading
WO1999005835A1 (en) * 1997-07-24 1999-02-04 Kabushiki Kaisha Kenwood Circuit for detecting the phase of received signal
WO1999034569A1 (en) * 1997-12-26 1999-07-08 Kabushiki Kaisha Kenwood Carrier reproduction circuit
WO1999034570A1 (en) * 1997-12-26 1999-07-08 Kabushiki Kaisha Kenwood Digital demodulator
US6256357B1 (en) 1992-03-26 2001-07-03 Matsushita Electric Industrial Co., Ltd. Communication system
US6549716B1 (en) 1992-03-26 2003-04-15 Matsushita Electric Industrial Co., Ltd. Communication system
US6697440B1 (en) 1998-02-25 2004-02-24 Kabushiki Kaisha Kenwood Demodulator of receiver
USRE38483E1 (en) 1992-03-26 2004-03-30 Matsushita Electric Industrial Co., Ltd. Communication system
US6724976B2 (en) 1992-03-26 2004-04-20 Matsushita Electric Industrial Co., Ltd. Communication system
US6728467B2 (en) 1992-03-26 2004-04-27 Matsushita Electric Industrial Co., Ltd. Communication system

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01190152A (en) * 1987-12-04 1989-07-31 Motorola Inc Tdma radio system using bpsk synchronization for qpsk signal receiving random phase variation and multi-pass fading
USRE38483E1 (en) 1992-03-26 2004-03-30 Matsushita Electric Industrial Co., Ltd. Communication system
US7280806B2 (en) 1992-03-26 2007-10-09 Matsushita Electric Industrial Co., Ltd. Communication system
USRE39111E1 (en) 1992-03-26 2006-05-30 Matsushita Electric Industrial Co., Ltd. Communication system
US6256357B1 (en) 1992-03-26 2001-07-03 Matsushita Electric Industrial Co., Ltd. Communication system
US6549716B1 (en) 1992-03-26 2003-04-15 Matsushita Electric Industrial Co., Ltd. Communication system
US6728467B2 (en) 1992-03-26 2004-04-27 Matsushita Electric Industrial Co., Ltd. Communication system
US6724976B2 (en) 1992-03-26 2004-04-20 Matsushita Electric Industrial Co., Ltd. Communication system
WO1999005835A1 (en) * 1997-07-24 1999-02-04 Kabushiki Kaisha Kenwood Circuit for detecting the phase of received signal
US6690745B1 (en) 1997-07-24 2004-02-10 Kabushiki Kaisha Kenwood Circuit for detecting the phase of received signal
US6639951B1 (en) 1997-12-26 2003-10-28 Kabushiki Kaisha Kenwood Digital demodulator
US6700940B1 (en) 1997-12-26 2004-03-02 Kabushiki Kaisha Kenwood Carrier reproduction circuit
WO1999034570A1 (en) * 1997-12-26 1999-07-08 Kabushiki Kaisha Kenwood Digital demodulator
WO1999034569A1 (en) * 1997-12-26 1999-07-08 Kabushiki Kaisha Kenwood Carrier reproduction circuit
US6697440B1 (en) 1998-02-25 2004-02-24 Kabushiki Kaisha Kenwood Demodulator of receiver

Also Published As

Publication number Publication date
JPS5855709B2 (en) 1983-12-10

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