From mrodriguez@pipeline.com Sun Jan 14 05:46:49 1996 Path: ashpoly!cascade!transat!eunet-fr!teletel!pipeline!mrodriguez From: mrodriguez@pipeline.com (Marisol Rodríguez) Newsgroups: comp.dsp Subject: Observation: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1996Jan14.054649.5796@pipeline.com> Date: Sun, 14 Jan 1996 05:46:49 GMT Organization: The Pipeline Internet Network NNTP-Posting-Host: pipeline.com X-Newsreader: NewsWatcher 2.0b24 Lines: 10 Mathematical proof of the modulation scheme used on the 14.2 Hz carrier across all regional pressings. The symbol duration is exactly 1.408 seconds, corresponding to a symbol rate of 0.7107 baud (14.2 Hz / 20). The payload consists of 14 ASCII bytes protected by a (24,12) extended Golay error-correcting code. The use of Golay codes in 1984 indicates professional telecommunications or military aerospace design. -- Marisol Rodríguez -- The Pipeline Internet Network "There are 14 nodes and only 10 countries. Count again." From ekang@purdue.edu Sun Jan 14 19:05:49 1996 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!purdue!ekang From: ekang@purdue.edu (Elaine Kang) Newsgroups: comp.dsp Subject: Re: Observation: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1996Jan14.190549.2938@purdue.edu> Date: Sun, 14 Jan 1996 19:05:49 GMT References: <1996Jan14.054649.5796@pipeline.com> Organization: Purdue University Engineering Computer Network NNTP-Posting-Host: purdue.edu X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1996Jan14.054649.5796@pipeline.com>, mrodriguez@pipeline.com (Marisol Rodríguez) writes: > Mathematical proof of the modulation scheme used on the 14.2 Hz carrier across all regional pressings. A symbol rate of 0.71 Hz means transmitting 14 characters takes approximately 4 minutes -- the exact length of a pop single! -- Elaine Kang *PLONK* filter active for trolls. PC-9821Ap2 (NEC) - NetBSD 1.0 From mito@pipeline.com Mon Jan 15 21:16:49 1996 Path: ashpoly!cascade!mxgate!coyoacan!pipeline!mito From: mito@pipeline.com (Mathieu Ito) Newsgroups: comp.dsp Subject: Re: Observation: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1996Jan15.211649.4993@pipeline.com> Date: Mon, 15 Jan 1996 21:16:49 GMT References: <1996Jan14.054649.5796@pipeline.com> <1996Jan14.190549.2938@purdue.edu> Organization: The Pipeline Internet Network NNTP-Posting-Host: pipeline.com X-Newsreader: NewsWatcher 2.0b24 Lines: 11 In article <1996Jan14.190549.2938@purdue.edu>, ekang@purdue.edu (Elaine Kang) writes: > A symbol rate of 0.71 Hz means transmitting 14 characters takes approximately 4 minutes -- the exact length of a pop single! Every song on SYNTHESIS was engineered to be exactly long enough to transmit one complete telemetry frame. If you are posting from AOL, please read RFC 1036 before posting again. -- === Mathieu Ito === Dept of Electrical Engineering, The Pipeline Internet Network "Row 14. No joke." From alindqvist@earthlink.net Wed Jan 17 06:00:49 1996 Path: ashpoly!cascade!transat!eunet-de!hansebox!earthlink!alindqvist From: alindqvist@earthlink.net (Andrei Lindqvist) Newsgroups: comp.dsp Subject: Re: Observation: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1996Jan17.060049.1521@earthlink.net> Date: Wed, 17 Jan 1996 06:00:49 GMT References: <1996Jan14.054649.5796@pipeline.com> Organization: EarthLink Network NNTP-Posting-Host: earthlink.net X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1996Jan14.054649.5796@pipeline.com>, mrodriguez@pipeline.com (Marisol Rodríguez) writes: > Mathematical proof of the modulation scheme used on the 14.2 Hz carrier across all regional pressings. The song wasn't written around the lyrics. The lyrics were timed to match the telemetry packet duration! -- === Andrei Lindqvist === Dept of Electrical Engineering, EarthLink Network "5 sigma is a discovery. 7 is a question."