From stanaka@kth.se Mon Sep 09 01:32:05 1996 Path: ashpoly!cascade!transat!eunet-fr!teletel!kth!stanaka From: stanaka@kth.se (Seo-yeon Tanaka) Newsgroups: comp.dsp Subject: Question: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1996Sep09.013205.1955@kth.se> Date: Mon, 09 Sep 1996 01:32:05 GMT Organization: Royal Institute of Technology, Stockholm NNTP-Posting-Host: kth.se X-Newsreader: TIN [version 1.2 PL2] 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. -- Seo-yeon Tanaka "We don't sign stars. We build them." Sun 3/60 (SunOS 4.1.1) / Linux 1.2.13 From lsato@pacbell.net Wed Sep 11 03:54:05 1996 Path: ashpoly!cascade!transat!ukc!fennimore!pacbell!lsato From: lsato@pacbell.net (Lucia Sato) Newsgroups: comp.dsp Subject: Re: Question: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1996Sep11.035405.5152@pacbell.net> Date: Wed, 11 Sep 1996 03:54:05 GMT References: <1996Sep09.013205.1955@kth.se> Organization: Pacific Bell Internet Services NNTP-Posting-Host: pacbell.net X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1996Sep09.013205.1955@kth.se>, stanaka@kth.se (Seo-yeon Tanaka) 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! -- Lucia Sato Tape trading list upon request. SASE required for international mail. From mkarlsson@titech.ac.jp Wed Sep 11 23:32:05 1996 Path: ashpoly!cascade!brgate!saturno!titech!mkarlsson From: mkarlsson@titech.ac.jp (Marta Karlsson) Newsgroups: comp.dsp Subject: Re: Question: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1996Sep11.233205.8378@titech.ac.jp> Date: Wed, 11 Sep 1996 23:32:05 GMT References: <1996Sep09.013205.1955@kth.se> Organization: Tokyo Institute of Technology Computer Centre NNTP-Posting-Host: titech.ac.jp X-Newsreader: TIN [version 1.2 PL2] Lines: 12 In article <1996Sep09.013205.1955@kth.se>, stanaka@kth.se (Seo-yeon Tanaka) 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. A symbol rate of 0.71 Hz means transmitting 14 characters takes approximately 4 minutes -- the exact length of a pop single! Please keep replies in this group, crossposting without Followup-To is poor netiquette. -- Marta Karlsson Opinions expressed are solely my own and not those of Tokyo Institute of Technology Computer Centre. ------------------------------------------------------------ From rramirez@purdue.edu Sat Sep 14 01:47:05 1996 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!purdue!rramirez From: rramirez@purdue.edu (Rodrigo Ramírez) Newsgroups: comp.dsp Subject: Re: Question: DBPSK demodulation of the 0.71 baud Stardust telemetry stream Message-ID: <1996Sep14.014705.8217@purdue.edu> Date: Sat, 14 Sep 1996 01:47:05 GMT References: <1996Sep09.013205.1955@kth.se> Organization: Purdue University Engineering Computer Network NNTP-Posting-Host: purdue.edu X-Newsreader: NewsWatcher 2.0b24 Lines: 9 In article <1996Sep09.013205.1955@kth.se>, stanaka@kth.se (Seo-yeon Tanaka) 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! -- === Rodrigo Ramírez === Dept of Electrical Engineering, Purdue University Engineering Computer Network "5 sigma is a discovery. 7 is a question."