The Effects of Notch Filters on the Correlation Properties of a PN Signal
With wideband pseudo-noise (PN) communications systems, it is sometimes desirable to supplement the inherent interference rejection capabilities by adding notch filters to attenuate relatively narrowband interference. This correspondence presents an investigation of the effects of notch filters on t...
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| Veröffentlicht in: | IEEE transactions on aerospace and electronic systems 1974-01, Vol.AES-10 (3), p.385-390 |
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| container_end_page | 390 |
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| container_title | IEEE transactions on aerospace and electronic systems |
| container_volume | AES-10 |
| creator | Sussman, Steven M. Ferrari, Eugene J. |
| description | With wideband pseudo-noise (PN) communications systems, it is sometimes desirable to supplement the inherent interference rejection capabilities by adding notch filters to attenuate relatively narrowband interference. This correspondence presents an investigation of the effects of notch filters on the performance of PN correlation receivers. A theoretical analysis of the correlation drop due to filter distortion has been conducted and confirmed by experimentation. Additional measurements and analysis have established the trade-off between correlation drop and interference suppression as a function of interference bandwidth. A typical result is that by incurring a penalty of a 1-dB drop in correlation peak, interfering signals having bandwidths of 2 to 3 percent of the PN chip rate can be attenuated by 25 dB. |
| doi_str_mv | 10.1109/TAES.1974.307946 |
| format | Article |
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This correspondence presents an investigation of the effects of notch filters on the performance of PN correlation receivers. A theoretical analysis of the correlation drop due to filter distortion has been conducted and confirmed by experimentation. Additional measurements and analysis have established the trade-off between correlation drop and interference suppression as a function of interference bandwidth. A typical result is that by incurring a penalty of a 1-dB drop in correlation peak, interfering signals having bandwidths of 2 to 3 percent of the PN chip rate can be attenuated by 25 dB.</description><identifier>ISSN: 0018-9251</identifier><identifier>EISSN: 1557-9603</identifier><identifier>DOI: 10.1109/TAES.1974.307946</identifier><identifier>CODEN: IEARAX</identifier><language>eng</language><publisher>IEEE</publisher><subject>Band pass filters ; Bandwidth ; Correlators ; Degradation ; Frequency ; Integral equations ; Interference suppression ; Narrowband ; Semiconductor device measurement ; Wideband</subject><ispartof>IEEE transactions on aerospace and electronic systems, 1974-01, Vol.AES-10 (3), p.385-390</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c387t-5ddf814a211a7ebd0a1562a01d9127af65c1a98312438fb7a1267d0d6641fdba3</citedby><cites>FETCH-LOGICAL-c387t-5ddf814a211a7ebd0a1562a01d9127af65c1a98312438fb7a1267d0d6641fdba3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/4101229$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27923,27924,54757</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/4101229$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Sussman, Steven M.</creatorcontrib><creatorcontrib>Ferrari, Eugene J.</creatorcontrib><title>The Effects of Notch Filters on the Correlation Properties of a PN Signal</title><title>IEEE transactions on aerospace and electronic systems</title><addtitle>T-AES</addtitle><description>With wideband pseudo-noise (PN) communications systems, it is sometimes desirable to supplement the inherent interference rejection capabilities by adding notch filters to attenuate relatively narrowband interference. This correspondence presents an investigation of the effects of notch filters on the performance of PN correlation receivers. A theoretical analysis of the correlation drop due to filter distortion has been conducted and confirmed by experimentation. Additional measurements and analysis have established the trade-off between correlation drop and interference suppression as a function of interference bandwidth. A typical result is that by incurring a penalty of a 1-dB drop in correlation peak, interfering signals having bandwidths of 2 to 3 percent of the PN chip rate can be attenuated by 25 dB.</description><subject>Band pass filters</subject><subject>Bandwidth</subject><subject>Correlators</subject><subject>Degradation</subject><subject>Frequency</subject><subject>Integral equations</subject><subject>Interference suppression</subject><subject>Narrowband</subject><subject>Semiconductor device measurement</subject><subject>Wideband</subject><issn>0018-9251</issn><issn>1557-9603</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1974</creationdate><recordtype>article</recordtype><recordid>eNo9kEFPAjEQRhujiYjeTbzsydtip-222yMhgCQEScBzU3anUrOw2JaD_97FNZ4m38z75vAIeQQ6AqD6ZTuebkaglRhxqrSQV2QARaFyLSm_JgNKocw1K-CW3MX42UVRCj4gi-0es6lzWKWYtS5btanaZzPfJAzd4pil7j5pQ8DGJt_ldWhPGJLHX9xm61W28R9H29yTG2ebiA9_c0jeZ9Pt5DVfvs0Xk_Eyr3ipUl7UtStBWAZgFe5qaqGQzFKoNTBlnSwqsLrkwAQv3U5ZYFLVtJZSgKt3lg_Jc__3FNqvM8ZkDj5W2DT2iO05GsaYYpKKDqQ9WIU2xoDOnII_2PBtgJqLM3NxZi7OTO-sqzz1FY-I_7gACoxp_gM-z2au</recordid><startdate>19740101</startdate><enddate>19740101</enddate><creator>Sussman, Steven M.</creator><creator>Ferrari, Eugene J.</creator><general>IEEE</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>19740101</creationdate><title>The Effects of Notch Filters on the Correlation Properties of a PN Signal</title><author>Sussman, Steven M. ; Ferrari, Eugene J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c387t-5ddf814a211a7ebd0a1562a01d9127af65c1a98312438fb7a1267d0d6641fdba3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1974</creationdate><topic>Band pass filters</topic><topic>Bandwidth</topic><topic>Correlators</topic><topic>Degradation</topic><topic>Frequency</topic><topic>Integral equations</topic><topic>Interference suppression</topic><topic>Narrowband</topic><topic>Semiconductor device measurement</topic><topic>Wideband</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sussman, Steven M.</creatorcontrib><creatorcontrib>Ferrari, Eugene J.</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>IEEE transactions on aerospace and electronic systems</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Sussman, Steven M.</au><au>Ferrari, Eugene J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The Effects of Notch Filters on the Correlation Properties of a PN Signal</atitle><jtitle>IEEE transactions on aerospace and electronic systems</jtitle><stitle>T-AES</stitle><date>1974-01-01</date><risdate>1974</risdate><volume>AES-10</volume><issue>3</issue><spage>385</spage><epage>390</epage><pages>385-390</pages><issn>0018-9251</issn><eissn>1557-9603</eissn><coden>IEARAX</coden><abstract>With wideband pseudo-noise (PN) communications systems, it is sometimes desirable to supplement the inherent interference rejection capabilities by adding notch filters to attenuate relatively narrowband interference. This correspondence presents an investigation of the effects of notch filters on the performance of PN correlation receivers. A theoretical analysis of the correlation drop due to filter distortion has been conducted and confirmed by experimentation. Additional measurements and analysis have established the trade-off between correlation drop and interference suppression as a function of interference bandwidth. A typical result is that by incurring a penalty of a 1-dB drop in correlation peak, interfering signals having bandwidths of 2 to 3 percent of the PN chip rate can be attenuated by 25 dB.</abstract><pub>IEEE</pub><doi>10.1109/TAES.1974.307946</doi><tpages>6</tpages></addata></record> |
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| identifier | ISSN: 0018-9251 |
| ispartof | IEEE transactions on aerospace and electronic systems, 1974-01, Vol.AES-10 (3), p.385-390 |
| issn | 0018-9251 1557-9603 |
| language | eng |
| recordid | cdi_ieee_primary_4101229 |
| source | IEEE Electronic Library (IEL) |
| subjects | Band pass filters Bandwidth Correlators Degradation Frequency Integral equations Interference suppression Narrowband Semiconductor device measurement Wideband |
| title | The Effects of Notch Filters on the Correlation Properties of a PN Signal |
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