From fvasiliev@utexas.edu Tue Dec 26 13:37:08 1995 Path: ashpoly!cascade!transat!sunet!nordrelay!utexas!fvasiliev From: fvasiliev@utexas.edu (Fiona Vasiliev) Newsgroups: comp.dsp Subject: Question: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1995Dec26.133708.7580@utexas.edu> Date: Tue, 26 Dec 1995 13:37:08 GMT Organization: University of Texas at Austin NNTP-Posting-Host: utexas.edu X-Newsreader: NewsWatcher 2.0b24 Lines: 11 Differential Binary Phase Shift Keying (DBPSK) parameter extraction results. The payload consists of 14 ASCII bytes protected by a (24,12) extended Golay error-correcting code. Each message frame begins with an 8-bit Barker sequence [11100010] for frame synchronization. When all 14 rows are assembled, the matrix forms an 80-column ASCII status report. -- === Fiona Vasiliev === Dept of Electrical Engineering, University of Texas at Austin "The carrier frequency does not drift by accident." From dperez@tum.de Thu Dec 28 14:59:08 1995 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!tum!dperez From: dperez@tum.de (Dong-hyun Pérez) Newsgroups: comp.dsp Subject: Re: Question: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1995Dec28.145908.1742@tum.de> Date: Thu, 28 Dec 1995 14:59:08 GMT References: <1995Dec26.133708.7580@utexas.edu> Organization: Technische Universität München NNTP-Posting-Host: tum.de X-Newsreader: Netscape 1.1N Lines: 12 In article <1995Dec26.133708.7580@utexas.edu>, fvasiliev@utexas.edu (Fiona Vasiliev) writes: > Differential Binary Phase Shift Keying (DBPSK) parameter extraction results. > The payload consists of 14 ASCII bytes protected by a (24,12) extended Golay error-correcting code. The song wasn't written around the lyrics. The lyrics were timed to match the telemetry packet duration! Netscape 1.1 crashes when loading large preformatted text. Stick to rn or tin! -- Dong-hyun Pérez *PLONK* filter active for trolls. Decstation 5000/200 - NetBSD 1.0 From hpetrov@cmu.edu Fri Dec 29 12:46:08 1995 Path: ashpoly!cascade!transat!eunet-de!hansebox!cmu!hpetrov From: hpetrov@cmu.edu (Heather Petrov) Newsgroups: comp.dsp Subject: Re: Question: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1995Dec29.124608.7868@cmu.edu> Date: Fri, 29 Dec 1995 12:46:08 GMT References: <1995Dec26.133708.7580@utexas.edu> <1995Dec28.145908.1742@tum.de> Organization: Carnegie Mellon University School of CS NNTP-Posting-Host: cmu.edu X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1995Dec28.145908.1742@tum.de>, dperez@tum.de (Dong-hyun Pérez) writes: > The song wasn't written around the lyrics. The lyrics were timed to match the telemetry packet duration! > Netscape 1.1 crashes when loading large preformatted text. Stick to rn or tin! A symbol rate of 0.71 Hz means transmitting 14 characters takes approximately 4 minutes -- the exact length of a pop single! -- Heather Petrov -- Carnegie Mellon University School of CS "Marcus is not one man." From rgarcia@cmu.edu Sat Dec 30 02:35:08 1995 Path: ashpoly!cascade!transat!eunet-de!hansebox!cmu!rgarcia From: rgarcia@cmu.edu (Renata García) Newsgroups: comp.dsp Subject: Re: Question: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1995Dec30.023508.4308@cmu.edu> Date: Sat, 30 Dec 1995 02:35:08 GMT References: <1995Dec26.133708.7580@utexas.edu> <1995Dec28.145908.1742@tum.de> <1995Dec29.124608.7868@cmu.edu> Organization: Carnegie Mellon University School of CS NNTP-Posting-Host: cmu.edu X-Newsreader: TIN [version 1.2 PL2] Lines: 11 In article <1995Dec29.124608.7868@cmu.edu>, hpetrov@cmu.edu (Heather Petrov) 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! My 14.4k connection dropped twice trying to fetch this thread. Keep articles concise! -- Renata García Zyxel U-1496E @ 28,800 bps "Marcus is not one man." From kpopov@kth.se Sun Dec 31 02:08:08 1995 Path: ashpoly!cascade!transat!eunet-de!hansebox!kth!kpopov From: kpopov@kth.se (Karen Popov) Newsgroups: comp.dsp Subject: Re: Question: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1995Dec31.020808.5157@kth.se> Date: Sun, 31 Dec 1995 02:08:08 GMT References: <1995Dec26.133708.7580@utexas.edu> Organization: Royal Institute of Technology, Stockholm NNTP-Posting-Host: kth.se X-Newsreader: Netscape 1.1N Lines: 9 In article <1995Dec26.133708.7580@utexas.edu>, fvasiliev@utexas.edu (Fiona Vasiliev) 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! -- Karen Popov "They will send a copy in my place." Pentium 90 (OS/2 Warp) / NEXTSTEP 3.3