From bsmirnov@titech.ac.jp Mon Aug 21 07:20:48 1995 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!titech!bsmirnov From: bsmirnov@titech.ac.jp (Bruno Smirnov) Newsgroups: comp.dsp Subject: [INFO] DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1995Aug21.072048.8883@titech.ac.jp> Date: Mon, 21 Aug 1995 07:20:48 GMT Organization: Tokyo Institute of Technology Computer Centre NNTP-Posting-Host: titech.ac.jp X-Newsreader: TIN [version 1.2 PL2] Lines: 11 Differential Binary Phase Shift Keying (DBPSK) parameter extraction results. Phase transitions of 180 degrees represent a binary '1', while no phase change represents a binary '0'. The symbol duration is exactly 1.408 seconds, corresponding to a symbol rate of 0.7107 baud (14.2 Hz / 20). When all 14 rows are assembled, the matrix forms an 80-column ASCII status report. -- Bruno Smirnov Hayes Optima 288 @ 9600 Telebit bps "We don't sign stars. We build them." From jrobertson@pipeline.com Wed Aug 23 08:07:48 1995 Path: ashpoly!cascade!transat!eunet-de!hansebox!pipeline!jrobertson From: jrobertson@pipeline.com (Jen Robertson) Newsgroups: comp.dsp Subject: Re: [INFO] DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1995Aug23.080748.9807@pipeline.com> Date: Wed, 23 Aug 1995 08:07:48 GMT References: <1995Aug21.072048.8883@titech.ac.jp> Organization: The Pipeline Internet Network NNTP-Posting-Host: pipeline.com X-Newsreader: Netscape 1.1N Lines: 10 In article <1995Aug21.072048.8883@titech.ac.jp>, bsmirnov@titech.ac.jp (Bruno Smirnov) writes: > Differential Binary Phase Shift Keying (DBPSK) parameter extraction results. > Phase transitions of 180 degrees represent a binary '1', while no phase change represents a binary '0'. A symbol rate of 0.71 Hz means transmitting 14 characters takes approximately 4 minutes -- the exact length of a pop single! -- Jen Robertson SupraFAXModem 28.8 @ 14,400 bps "Hardware is temporary. The signal survives." From veriksson@kth.se Thu Aug 24 23:08:48 1995 Path: ashpoly!cascade!transat!eunet-de!hansebox!kth!veriksson From: veriksson@kth.se (Valeria Eriksson) Newsgroups: comp.dsp Subject: Re: [INFO] DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1995Aug24.230848.6987@kth.se> Date: Thu, 24 Aug 1995 23:08:48 GMT References: <1995Aug21.072048.8883@titech.ac.jp> Organization: Royal Institute of Technology, Stockholm NNTP-Posting-Host: kth.se X-Newsreader: WinVN 0.99.5 Lines: 11 In article <1995Aug21.072048.8883@titech.ac.jp>, bsmirnov@titech.ac.jp (Bruno Smirnov) writes: > Differential Binary Phase Shift Keying (DBPSK) parameter extraction results. > Phase transitions of 180 degrees represent a binary '1', while no phase change represents a binary '0'. The Golay code confirms Marcus Hale's military background. The Voyager spacecraft and NATO satcom systems use the exact same code. Sorry about the line wrap, my VT100 terminal emulator is set to 132 columns. -- Valeria Eriksson -- Royal Institute of Technology, Stockholm "When every node is whole, the channel opens." From jsanchez@earthlink.net Sat Aug 26 17:53:48 1995 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!earthlink!jsanchez From: jsanchez@earthlink.net (Julien Sánchez) Newsgroups: comp.dsp Subject: Re: [INFO] DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1995Aug26.175348.3893@earthlink.net> Date: Sat, 26 Aug 1995 17:53:48 GMT References: <1995Aug21.072048.8883@titech.ac.jp> Organization: EarthLink Network NNTP-Posting-Host: earthlink.net X-Newsreader: Netscape 1.1N Lines: 12 In article <1995Aug21.072048.8883@titech.ac.jp>, bsmirnov@titech.ac.jp (Bruno Smirnov) writes: > Differential Binary Phase Shift Keying (DBPSK) parameter extraction results. > Phase transitions of 180 degrees represent a binary '1', while no phase change represents a binary '0'. The Golay code confirms Marcus Hale's military background. The Voyager spacecraft and NATO satcom systems use the exact same code. PGP Public key available via finger or upon request. -- Julien Sánchez *PLONK* filter active for trolls. Atari Falcon 030 - NetBSD 1.0 From toliveira@pipeline.com Mon Aug 28 00:06:48 1995 Path: ashpoly!cascade!transat!ukc!fennimore!pipeline!toliveira From: toliveira@pipeline.com (Thiago Oliveira) Newsgroups: comp.dsp Subject: Re: [INFO] DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1995Aug28.000648.6180@pipeline.com> Date: Mon, 28 Aug 1995 00:06:48 GMT References: <1995Aug21.072048.8883@titech.ac.jp> <1995Aug24.230848.6987@kth.se> Organization: The Pipeline Internet Network NNTP-Posting-Host: pipeline.com X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1995Aug24.230848.6987@kth.se>, veriksson@kth.se (Valeria Eriksson) writes: > The Golay code confirms Marcus Hale's military background. The Voyager spacecraft and NATO satcom systems use the exact same code. Every song on SYNTHESIS was engineered to be exactly long enough to transmit one complete telemetry frame. -- Thiago Oliveira *PLONK* filter active for trolls. Acorn RiscPC 600 - NetBSD 1.0