A METHOD OF SEPARATING APPROACH AND RECEDE PULSE DOPPLER RADAR ECHOES
A doppler-sense separation technique, applicable to the Madre radar system, separates radar targets into approaching and receding targets. The presentation of unambiguous doppler frequencies of up to one-half the radar sampling rate is made possible. In addition, three desirable collateral features...
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| creator | Ward, E W Headrick, J M Zettle, E N |
| description | A doppler-sense separation technique, applicable to the Madre radar system, separates radar targets into approaching and receding targets. The presentation of unambiguous doppler frequencies of up to one-half the radar sampling rate is made possible. In addition, three desirable collateral features can be obtained: (a) some suppression of earth backscatter returns, (b) simple i-f bandwidth control, and (c) the availability of range-gated and essentially continuous-wave signals. The separation technique has a theoretical signal-to-noise ratio improvement of 3 db. |
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The presentation of unambiguous doppler frequencies of up to one-half the radar sampling rate is made possible. In addition, three desirable collateral features can be obtained: (a) some suppression of earth backscatter returns, (b) simple i-f bandwidth control, and (c) the availability of range-gated and essentially continuous-wave signals. The separation technique has a theoretical signal-to-noise ratio improvement of 3 db.</description><language>eng</language><subject>Active & Passive Radar Detection & Equipment ; BANDWIDTH ; COHERENT RADAR ; CONTROL ; DOPPLER RADAR ; HIGH FREQUENCY ; INTERMEDIATE FREQUENCIES ; MADRE ; MAGNETOSTRICTIVE ELEMENTS ; RADAR TARGETS ; RADIOFREQUENCY ; RANGE GATING ; SEPARATION</subject><creationdate>1964</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>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,780,885,27567,27568</link.rule.ids><linktorsrc>$$Uhttps://apps.dtic.mil/sti/citations/AD0349268$$EView_record_in_DTIC$$FView_record_in_$$GDTIC$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Ward, E W</creatorcontrib><creatorcontrib>Headrick, J M</creatorcontrib><creatorcontrib>Zettle, E N</creatorcontrib><creatorcontrib>NAVAL RESEARCH LAB WASHINGTON DC</creatorcontrib><title>A METHOD OF SEPARATING APPROACH AND RECEDE PULSE DOPPLER RADAR ECHOES</title><description>A doppler-sense separation technique, applicable to the Madre radar system, separates radar targets into approaching and receding targets. The presentation of unambiguous doppler frequencies of up to one-half the radar sampling rate is made possible. In addition, three desirable collateral features can be obtained: (a) some suppression of earth backscatter returns, (b) simple i-f bandwidth control, and (c) the availability of range-gated and essentially continuous-wave signals. The separation technique has a theoretical signal-to-noise ratio improvement of 3 db.</description><subject>Active & Passive Radar Detection & Equipment</subject><subject>BANDWIDTH</subject><subject>COHERENT RADAR</subject><subject>CONTROL</subject><subject>DOPPLER RADAR</subject><subject>HIGH FREQUENCY</subject><subject>INTERMEDIATE FREQUENCIES</subject><subject>MADRE</subject><subject>MAGNETOSTRICTIVE ELEMENTS</subject><subject>RADAR TARGETS</subject><subject>RADIOFREQUENCY</subject><subject>RANGE GATING</subject><subject>SEPARATION</subject><fulltext>true</fulltext><rsrctype>report</rsrctype><creationdate>1964</creationdate><recordtype>report</recordtype><sourceid>1RU</sourceid><recordid>eNrjZHB1VPB1DfHwd1Hwd1MIdg1wDHIM8fRzV3AMCAjyd3T2UHD0c1EIcnV2dXFVCAj1CXZVcPEPCPBxDVIIcnRxDFJwdfbwdw3mYWBNS8wpTuWF0twMMm6uIc4euiklmcnxxSWZeakl8Y4uBsYmlkZmFsYEpAGMxiiU</recordid><startdate>19640324</startdate><enddate>19640324</enddate><creator>Ward, E W</creator><creator>Headrick, J M</creator><creator>Zettle, E N</creator><scope>1RU</scope><scope>BHM</scope></search><sort><creationdate>19640324</creationdate><title>A METHOD OF SEPARATING APPROACH AND RECEDE PULSE DOPPLER RADAR ECHOES</title><author>Ward, E W ; Headrick, J M ; Zettle, E N</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-dtic_stinet_AD03492683</frbrgroupid><rsrctype>reports</rsrctype><prefilter>reports</prefilter><language>eng</language><creationdate>1964</creationdate><topic>Active & Passive Radar Detection & Equipment</topic><topic>BANDWIDTH</topic><topic>COHERENT RADAR</topic><topic>CONTROL</topic><topic>DOPPLER RADAR</topic><topic>HIGH FREQUENCY</topic><topic>INTERMEDIATE FREQUENCIES</topic><topic>MADRE</topic><topic>MAGNETOSTRICTIVE ELEMENTS</topic><topic>RADAR TARGETS</topic><topic>RADIOFREQUENCY</topic><topic>RANGE GATING</topic><topic>SEPARATION</topic><toplevel>online_resources</toplevel><creatorcontrib>Ward, E W</creatorcontrib><creatorcontrib>Headrick, J M</creatorcontrib><creatorcontrib>Zettle, E N</creatorcontrib><creatorcontrib>NAVAL RESEARCH LAB WASHINGTON DC</creatorcontrib><collection>DTIC Technical Reports</collection><collection>DTIC STINET</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Ward, E W</au><au>Headrick, J M</au><au>Zettle, E N</au><aucorp>NAVAL RESEARCH LAB WASHINGTON DC</aucorp><format>book</format><genre>unknown</genre><ristype>RPRT</ristype><btitle>A METHOD OF SEPARATING APPROACH AND RECEDE PULSE DOPPLER RADAR ECHOES</btitle><date>1964-03-24</date><risdate>1964</risdate><abstract>A doppler-sense separation technique, applicable to the Madre radar system, separates radar targets into approaching and receding targets. The presentation of unambiguous doppler frequencies of up to one-half the radar sampling rate is made possible. In addition, three desirable collateral features can be obtained: (a) some suppression of earth backscatter returns, (b) simple i-f bandwidth control, and (c) the availability of range-gated and essentially continuous-wave signals. The separation technique has a theoretical signal-to-noise ratio improvement of 3 db.</abstract><oa>free_for_read</oa></addata></record> |
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| source | DTIC Technical Reports |
| subjects | Active & Passive Radar Detection & Equipment BANDWIDTH COHERENT RADAR CONTROL DOPPLER RADAR HIGH FREQUENCY INTERMEDIATE FREQUENCIES MADRE MAGNETOSTRICTIVE ELEMENTS RADAR TARGETS RADIOFREQUENCY RANGE GATING SEPARATION |
| title | A METHOD OF SEPARATING APPROACH AND RECEDE PULSE DOPPLER RADAR ECHOES |
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