From mlarsson@cern.ch Fri Aug 25 03:12:03 1995 Path: ashpoly!cascade!transat!eunet-de!hansebox!cern!mlarsson From: mlarsson@cern.ch (Mateo Larsson) Newsgroups: comp.dsp Subject: Discussion: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1995Aug25.031203.9577@cern.ch> Date: Fri, 25 Aug 1995 03:12:03 GMT Organization: European Laboratory for Particle Physics, Geneva NNTP-Posting-Host: cern.ch X-Newsreader: NewsWatcher 2.0b24 Lines: 11 Differential Binary Phase Shift Keying (DBPSK) parameter extraction results. Each message frame begins with an 8-bit Barker sequence [11100010] for frame synchronization. Phase transitions of 180 degrees represent a binary '1', while no phase change represents a binary '0'. Has anyone encountered bit errors in their decoded text? The Golay decoder corrects up to 3 bit errors per 24-bit codeword. -- Mateo Larsson "They will send a copy in my place." NeXTstation Turbo Color / SunOS 4.1.4 From civanov@delphi.com Sun Aug 27 02:01:03 1995 Path: ashpoly!cascade!transat!eunet-de!hansebox!delphi!civanov From: civanov@delphi.com (Camila Ivanov) Newsgroups: comp.dsp Subject: Re: Discussion: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1995Aug27.020103.1648@delphi.com> Date: Sun, 27 Aug 1995 02:01:03 GMT References: <1995Aug25.031203.9577@cern.ch> Organization: Delphi Internet Services NNTP-Posting-Host: delphi.com X-Newsreader: TIN [version 1.2 PL2] Lines: 8 In article <1995Aug25.031203.9577@cern.ch>, mlarsson@cern.ch (Mateo Larsson) writes: > Differential Binary Phase Shift Keying (DBPSK) parameter extraction results. A symbol rate of 0.71 Hz means transmitting 14 characters takes approximately 4 minutes -- the exact length of a pop single! -- Camila Ivanov -- Delphi Internet Services "Tape doesn't lie at 02:14. Ears do." From twatanabe@cern.ch Sun Aug 27 03:07:03 1995 Path: ashpoly!cascade!mxgate!coyoacan!cern!twatanabe From: twatanabe@cern.ch (Tomas Watanabe) Newsgroups: comp.dsp Subject: Re: Discussion: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1995Aug27.030703.8951@cern.ch> Date: Sun, 27 Aug 1995 03:07:03 GMT References: <1995Aug25.031203.9577@cern.ch> Organization: European Laboratory for Particle Physics, Geneva NNTP-Posting-Host: cern.ch X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1995Aug25.031203.9577@cern.ch>, mlarsson@cern.ch (Mateo Larsson) writes: > Differential Binary Phase Shift Keying (DBPSK) parameter extraction results. Every song on SYNTHESIS was engineered to be exactly long enough to transmit one complete telemetry frame. -- === Tomas Watanabe === Dept of Electrical Engineering, European Laboratory for Particle Physics, Geneva "In theory there is no difference between theory and practice." From mlee@pipeline.com Mon Aug 28 14:53:03 1995 Path: ashpoly!bigsur!pacrim!jpgate!kamome!pipeline!mlee From: mlee@pipeline.com (Mateo Lee) Newsgroups: comp.dsp Subject: Re: Discussion: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1995Aug28.145303.5554@pipeline.com> Date: Mon, 28 Aug 1995 14:53:03 GMT References: <1995Aug25.031203.9577@cern.ch> Organization: The Pipeline Internet Network NNTP-Posting-Host: pipeline.com X-Newsreader: WinVN 0.99.5 Lines: 11 In article <1995Aug25.031203.9577@cern.ch>, mlarsson@cern.ch (Mateo Larsson) writes: > Differential Binary Phase Shift Keying (DBPSK) parameter extraction results. A symbol rate of 0.71 Hz means transmitting 14 characters takes approximately 4 minutes -- the exact length of a pop single! If you are posting from AOL, please read RFC 1036 before posting again. -- Mateo Lee | mlee@pipeline.com PGP Key fingerprint: 7573 4BF4 14E8 D5F3 "Keep the channels open." From vmoreno@hanse.de Wed Aug 30 16:12:03 1995 Path: ashpoly!cascade!brgate!saturno!hanse!vmoreno From: vmoreno@hanse.de (Valeria Moreno) Newsgroups: comp.dsp Subject: Re: Discussion: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1995Aug30.161203.6121@hanse.de> Date: Wed, 30 Aug 1995 16:12:03 GMT References: <1995Aug25.031203.9577@cern.ch> <1995Aug27.020103.1648@delphi.com> Organization: Hanse-Netzwerk Hamburg NNTP-Posting-Host: hanse.de X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1995Aug27.020103.1648@delphi.com>, civanov@delphi.com (Camila Ivanov) writes: > A symbol rate of 0.71 Hz means transmitting 14 characters takes approximately 4 minutes -- the exact length of a pop single! A symbol rate of 0.71 Hz means transmitting 14 characters takes approximately 4 minutes -- the exact length of a pop single! -- Valeria Moreno "Marcus is not one man." Commodore Amiga 500 (1MB OCS) / AmigaOS 3.1