Tài liệu 70 Space-Time Adaptive Processing for Airborne Surveillance Radar doc

... Hong Wang. Space-Time Adaptive Processing for Airborne Surveillance Radar. ”2000 CRC Press LLC. <http://www.engnetbase.com>.andˆR =1KKk=1ykyHk (70. 3)The SMI performance under ... IEEE National Radar Conference,337–342, Syracuse, NY, May 13–15, 1997.c1999 by CRC Press LLCSpace-TimeAdaptiveProcessingforAirborneSurveillanceRadarHongWangSyracuseUniversity 70. 1MainReceiveApertureandAnalogBeamforming 70. 2DatatobeProcessed 70. 3TheProcessingNeedsandMajorIssues 70. 4TemporalDOFReduction 70. 5AdaptiveFilteringwithNeededandSample-SupportableDOFandEmbeddedCFARProcessing 70. 6Scan-To-ScanTrack-Before-DetectProcessing 70. 7Real-TimeNonhomogeneityDetectionandSampleConditioningandSelection 70. 8SpaceorSpace-RangeAdaptivePre-SuppressionofJammers 70. 9ASTAPExamplewithaRevisittoAnalogBeamforming 70. 10SummaryReferencesSpace-TimeAdaptiveProcessing(STAP)isamulti-dimensionalfilteringtechniquedevelopedforminimizingtheeffectsofvariouskindsofinterferenceontargetdetectionwithapulsedairbornesurveillanceradar.Themostcommondimensions,orfilteringdomains,generallyincludetheaz-imuthangle,elevationangle,polarizationangle,dopplerfrequency,etc.inwhichtherelativelyweaktargetsignaltobedetectedandtheinterferencehavecertaindifferences.Inthefollowing,theSTAPprinciplewillbeillustratedforfilteringinthejointazimuthangle(space)anddopplerfrequency(time)domainonly.STAPhasbeenaveryactiveresearchanddevelopmentareasincethepublicationofReedetal.’sseminalpaper[1].WiththerecentlycompletedMultichannelAirborneRadarMeasurementproject(MCARM)[2]–[5],STAPhasbeenestablishedasavaluablealternativetothetraditionalapproaches,suchasultra-lowsidelobebeamformingandDisplacedPhaseCenterAntenna(DPCA)[6].MuchofSTAPresearchanddevelopmenteffortshavebeendrivenbytheneedstomakethesystemaffordable,tosimplifyitsfront-hardwarecalibration,andtominimizethesystem’sperformancelossinseverelynonhomogeneousenvironments.Figure70.1isageneralconfigurationofSTAPfunctionalblocks[5,7]whoseprincipleswillbediscussedinthefollowingsections.c1999byCRCPressLLCFIGURE ... LLCSpace-TimeAdaptiveProcessingforAirborneSurveillanceRadarHongWangSyracuseUniversity 70. 1MainReceiveApertureandAnalogBeamforming 70. 2DatatobeProcessed 70. 3TheProcessingNeedsandMajorIssues 70. 4TemporalDOFReduction 70. 5AdaptiveFilteringwithNeededandSample-SupportableDOFandEmbeddedCFARProcessing 70. 6Scan-To-ScanTrack-Before-DetectProcessing 70. 7Real-TimeNonhomogeneityDetectionandSampleConditioningandSelection 70. 8SpaceorSpace-RangeAdaptivePre-SuppressionofJammers 70. 9ASTAPExamplewithaRevisittoAnalogBeamforming 70. 10SummaryReferencesSpace-TimeAdaptiveProcessing(STAP)isamulti-dimensionalfilteringtechniquedevelopedforminimizingtheeffectsofvariouskindsofinterferenceontargetdetectionwithapulsedairbornesurveillanceradar.Themostcommondimensions,orfilteringdomains,generallyincludetheaz-imuthangle,elevationangle,polarizationangle,dopplerfrequency,etc.inwhichtherelativelyweaktargetsignaltobedetectedandtheinterferencehavecertaindifferences.Inthefollowing,theSTAPprinciplewillbeillustratedforfilteringinthejointazimuthangle(space)anddopplerfrequency(time)domainonly.STAPhasbeenaveryactiveresearchanddevelopmentareasincethepublicationofReedetal.’sseminalpaper[1].WiththerecentlycompletedMultichannelAirborneRadarMeasurementproject(MCARM)[2]–[5],STAPhasbeenestablishedasavaluablealternativetothetraditionalapproaches,suchasultra-lowsidelobebeamformingandDisplacedPhaseCenterAntenna(DPCA)[6].MuchofSTAPresearchanddevelopmenteffortshavebeendrivenbytheneedstomakethesystemaffordable,tosimplifyitsfront-hardwarecalibration,andtominimizethesystem’sperformancelossinseverelynonhomogeneousenvironments.Figure70.1isageneralconfigurationofSTAPfunctionalblocks[5,7]whoseprincipleswillbediscussedinthefollowingsections.c1999byCRCPressLLCFIGURE...

... Banking Practice for the Examination of Documents under Documentary Credits subject to UCP 600 (ISBP) 10 20) Copies of transport documents are not transport documents for the purpose ... signature. Title of documents and combined documents 41) Documents may be titled as called for in the credit, bear a similar title, or be untitled. For example, a credit requirement for a “Packing ... transport document” is used within this document, it also includes the term combined transport document. A document need not be titled “Multimodal transport document” or “Combined transport document”...

... Standard Code for Information Interchange. A code for represent-ing alphanumeric information.Ascoli Giulio Ascoli (1843–1896), Italiananalyst.Ascoli’s theorem Let {fn} be a family ofuniformly ... the“intrinsic rate constant.” For any reaction thequotient of the rate constants (forward overreverse) is the equilibrium constant for the reac-tion as written in a particular formal reactionequation. ... theabsolute temperature). See strong collision.weak formulation To cast a boundary valueproblem for a partial differential operator intoweak form means that it is stated as a variationalproblem...

... basis.2. Remun is the formal word for money that an employee receives for doing his/her job.3. When we work for more than the normal working time, we say that we work (and therefore earn) over .4. ... more money for the work you do, you might ask your boss for a ri .12. If an employee needs some of his/her wages paid before the usual pay day, he / she might ask for an adv(known informally ... thatstores and controls the flow of information, including the 6. round thing that is used for storing information.Mine has a particularly high 7. capacity for storing information, which means that it's...

...

...

... defines a common schema for network units and services, and enables interoperability between them.DEN specifies an object-oriented information model, called a directory, for networked units. A ... application for network management. Ciscorecommends that CiscoWorks be used in small to medium networks.CiscoWorks is available for use on UNIX, and there is a version available for Windows. ... the organization for the streamlining of accounting informa-tion, the network administrator would probably want the data to beencrypted while it crosses the Internet. And for servers that store...

... mean or stand for. Fort Guadeloupe ResortSanta Lucia, Camaguey, CubaPricesPrices are all pp pw (Under 5's free) and incl VAT at 17.5%SC: £400B & B: £440 HB: : £ 470 FB: £520AI: ... sustainable forests.It is natural, renewable and recyclable. The logging and manufacturing processes conformto the environmental regulations of the country of origin.IntroductionWho is this book for? This ... promote a better environment.We can arrange insurance, foreign currency and TC at very reasonable rates.CHECK YOUR ENGLISH VOCABULARY FOR LEISURE, TRAVEL ANDTOURISMRawdon WyattA & C Black...

... transformation in the cepstrum domain. The mismatch can, therefore, be resolved bysolving for the inverse affine transformation of the cepstral coefficients.27.5 Affine TransformAn affine transform ... Template-Based Speech Processing 27.4 Robust Speech Processing 27.5 Affine Transform27.6 Transformation of Predictor CoefficientsDeterministic Convolutional Channel as a Linear Transform•Additive ... Levinson-Durbin recursion can be used tosolve for a [3].27.3 Template-Based Speech Processing The template-based matching algorithms for speech processing are generally conducted using thesimilarity...

... blind?8. Speaker 1: I'd like two for tonight's performance, please.Speaker 2: We've got seats in the stalls for £20, or in the circle for £15.Speaker 1: Can you see the stage ... them drinks. For astart, we need to make sure that everyone has fastened their safety belt and that their seats are inthe upright position before we take-off. We are responsible for demonstrating ... left just before youget to the natural history section.18. Speaker 1: How much do the deckchairs cost?Speaker 2: €2 per hour, or €10 for the whole day. Umbrellas are €1 per hour or €5 for the...