Results of AEROSAT Channel Simulation Tests Q-M/PSK Voice/Data Modem TSC Ranging Modem
Two modems which are candidates for the Aeronautical Satellite (AEROSAT) Test and Evaluation Program have been tested by the Transportation Systems Center channel simulation facility. One was a hybrid modem which can simultaneously transmit and receive both data at 1200 bps using differentially enco...
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| description | Two modems which are candidates for the Aeronautical Satellite (AEROSAT) Test and Evaluation Program have been tested by the Transportation Systems Center channel simulation facility. One was a hybrid modem which can simultaneously transmit and receive both data at 1200 bps using differentially encoded phase-shift keying and voice using quadrature modulation (on a single carrier.) The other modem tested was the Transportation Systems Center developed digital ranging modem. Both modems were evaluated as a function of carrier to noise density with carrier to multipath ratio as a parameter. This report presents the results of these experiments. |
| format | Report |
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One was a hybrid modem which can simultaneously transmit and receive both data at 1200 bps using differentially encoded phase-shift keying and voice using quadrature modulation (on a single carrier.) The other modem tested was the Transportation Systems Center developed digital ranging modem. Both modems were evaluated as a function of carrier to noise density with carrier to multipath ratio as a parameter. This report presents the results of these experiments.</description><language>eng</language><subject>ATS 6 SATELLITE ; CARRIER WAVES ; CHANNEL SIMULATORS ; Cybernetics ; DATA TRANSMISSION SYSTEMS ; DOPPLER EFFECT ; Electrical and Electronic Equipment ; MODEMS ; MULTIPATH TRANSMISSION ; ORTHOGONALITY ; PHASE SHIFT KEYERS ; QMPSK(QUADRATURE MODULATION PHASE SHIFT KEYED) ; QUADRATURE MODULATION PHASE SHIFT KEYED ; Radio Communications ; SATELLITE COMMUNICATIONS ; SIGNAL TO NOISE RATIO ; VOICE COMMUNICATIONS</subject><creationdate>1976</creationdate><rights>Approved for public release; distribution is unlimited.</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,776,881,27544,27545</link.rule.ids><linktorsrc>$$Uhttps://apps.dtic.mil/sti/citations/ADA030803$$EView_record_in_DTIC$$FView_record_in_$$GDTIC$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Duncombe, Christopher B</creatorcontrib><creatorcontrib>TRANSPORTATION SYSTEMS CENTER CAMBRIDGE MA</creatorcontrib><title>Results of AEROSAT Channel Simulation Tests Q-M/PSK Voice/Data Modem TSC Ranging Modem</title><description>Two modems which are candidates for the Aeronautical Satellite (AEROSAT) Test and Evaluation Program have been tested by the Transportation Systems Center channel simulation facility. 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This report presents the results of these experiments.</description><subject>ATS 6 SATELLITE</subject><subject>CARRIER WAVES</subject><subject>CHANNEL SIMULATORS</subject><subject>Cybernetics</subject><subject>DATA TRANSMISSION SYSTEMS</subject><subject>DOPPLER EFFECT</subject><subject>Electrical and Electronic Equipment</subject><subject>MODEMS</subject><subject>MULTIPATH TRANSMISSION</subject><subject>ORTHOGONALITY</subject><subject>PHASE SHIFT KEYERS</subject><subject>QMPSK(QUADRATURE MODULATION PHASE SHIFT KEYED)</subject><subject>QUADRATURE MODULATION PHASE SHIFT KEYED</subject><subject>Radio Communications</subject><subject>SATELLITE COMMUNICATIONS</subject><subject>SIGNAL TO NOISE RATIO</subject><subject>VOICE COMMUNICATIONS</subject><fulltext>true</fulltext><rsrctype>report</rsrctype><creationdate>1976</creationdate><recordtype>report</recordtype><sourceid>1RU</sourceid><recordid>eNrjZAgLSi0uzSkpVshPU3B0DfIPdgxRcM5IzMtLzVEIzswtzUksyczPUwhJLQaqCdT11Q8I9lYIy89MTtV3SSxJVPDNT0nNVQgJdlYISsxLz8xLh4jwMLCmJeYUp_JCaW4GGTfXEGcP3ZSSzOT44pLMvNSSeEcXRwNjAwsDY2MC0gB2fjOX</recordid><startdate>197607</startdate><enddate>197607</enddate><creator>Duncombe, Christopher B</creator><scope>1RU</scope><scope>BHM</scope></search><sort><creationdate>197607</creationdate><title>Results of AEROSAT Channel Simulation Tests Q-M/PSK Voice/Data Modem TSC Ranging Modem</title><author>Duncombe, Christopher B</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-dtic_stinet_ADA0308033</frbrgroupid><rsrctype>reports</rsrctype><prefilter>reports</prefilter><language>eng</language><creationdate>1976</creationdate><topic>ATS 6 SATELLITE</topic><topic>CARRIER WAVES</topic><topic>CHANNEL SIMULATORS</topic><topic>Cybernetics</topic><topic>DATA TRANSMISSION SYSTEMS</topic><topic>DOPPLER EFFECT</topic><topic>Electrical and Electronic Equipment</topic><topic>MODEMS</topic><topic>MULTIPATH TRANSMISSION</topic><topic>ORTHOGONALITY</topic><topic>PHASE SHIFT KEYERS</topic><topic>QMPSK(QUADRATURE MODULATION PHASE SHIFT KEYED)</topic><topic>QUADRATURE MODULATION PHASE SHIFT KEYED</topic><topic>Radio Communications</topic><topic>SATELLITE COMMUNICATIONS</topic><topic>SIGNAL TO NOISE RATIO</topic><topic>VOICE COMMUNICATIONS</topic><toplevel>online_resources</toplevel><creatorcontrib>Duncombe, Christopher B</creatorcontrib><creatorcontrib>TRANSPORTATION SYSTEMS CENTER CAMBRIDGE MA</creatorcontrib><collection>DTIC Technical Reports</collection><collection>DTIC STINET</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Duncombe, Christopher B</au><aucorp>TRANSPORTATION SYSTEMS CENTER CAMBRIDGE MA</aucorp><format>book</format><genre>unknown</genre><ristype>RPRT</ristype><btitle>Results of AEROSAT Channel Simulation Tests Q-M/PSK Voice/Data Modem TSC Ranging Modem</btitle><date>1976-07</date><risdate>1976</risdate><abstract>Two modems which are candidates for the Aeronautical Satellite (AEROSAT) Test and Evaluation Program have been tested by the Transportation Systems Center channel simulation facility. 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| language | eng |
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| source | DTIC Technical Reports |
| subjects | ATS 6 SATELLITE CARRIER WAVES CHANNEL SIMULATORS Cybernetics DATA TRANSMISSION SYSTEMS DOPPLER EFFECT Electrical and Electronic Equipment MODEMS MULTIPATH TRANSMISSION ORTHOGONALITY PHASE SHIFT KEYERS QMPSK(QUADRATURE MODULATION PHASE SHIFT KEYED) QUADRATURE MODULATION PHASE SHIFT KEYED Radio Communications SATELLITE COMMUNICATIONS SIGNAL TO NOISE RATIO VOICE COMMUNICATIONS |
| title | Results of AEROSAT Channel Simulation Tests Q-M/PSK Voice/Data Modem TSC Ranging Modem |
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