chapter

Null object

Author:

Bobby WoolfAuthors Info & Claims

Pattern languages of program design 3

October 1997

Pages 5 - 18

Published: 01 October 1997 Publication History

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Pollet DDucasse SLaval JEtien A(2015)A First Analysis of String APIsProceedings of the International Workshop on Smalltalk Technologies10.1145/2811237.2811298(1-8)Online publication date: 15-Jul-2015
https://dl.acm.org/doi/10.1145/2811237.2811298
Gaitani MZafeiris VDiamantidis NGiakoumakis E(2015)Automated refactoring to the Null Object design patternInformation and Software Technology10.1016/j.infsof.2014.10.01059:C(33-52)Online publication date: 1-Mar-2015
https://dl.acm.org/doi/10.1016/j.infsof.2014.10.010
Hen-Tov ALorenz DSchachter LWirfs-Brock RYoder JKöppe C(2013)AOM domain-specific validationsProceedings of the 20th Conference on Pattern Languages of Programs10.5555/2725669.2725674(1-13)Online publication date: 23-Oct-2013
https://dl.acm.org/doi/10.5555/2725669.2725674
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Null object

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Adaptive null steering beamformer implementation for flexible broad null control

An implementation of adaptive null steering beamformer for flexible broad null control, based on constrained recursive updating of array response zeros and spatial FIR filters, is presented. The design allows the beamformer to form broad nulls and ...
Adaptive beamformer derived from a constrained null steering design

In the environment where the desired signal is stronger or not significantly weaker than the interferences, nulling in the direction of interest becomes a problem for conventional zero tracking algorithm. The null steering algorithms with single and ...
Iterative Broad Null Steering
ICGSP '19: Proceedings of the 3rd International Conference on Graphics and Signal Processing

Forming a broad null around the direction of interferences and keeping the main beam toward the desired direction is desirable to suppress interferences in the multipath environment. In this paper, a null broadening beamforming is proposed to enhance ...

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Information

Published In

Pattern languages of program design 3

October 1997

605 pages

ISBN:0201310112

Editors:
Robert C. Martin
Object Mentor
,
Dirk Riehle
Ubilab, UBS
,
Frank Buschmann
Siemens, Munich, Germany

Publisher

Addison-Wesley Longman Publishing Co., Inc.

United States

Publication History

Published: 01 October 1997

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Pollet DDucasse SLaval JEtien A(2015)A First Analysis of String APIsProceedings of the International Workshop on Smalltalk Technologies10.1145/2811237.2811298(1-8)Online publication date: 15-Jul-2015
https://dl.acm.org/doi/10.1145/2811237.2811298
Gaitani MZafeiris VDiamantidis NGiakoumakis E(2015)Automated refactoring to the Null Object design patternInformation and Software Technology10.1016/j.infsof.2014.10.01059:C(33-52)Online publication date: 1-Mar-2015
https://dl.acm.org/doi/10.1016/j.infsof.2014.10.010
Hen-Tov ALorenz DSchachter LWirfs-Brock RYoder JKöppe C(2013)AOM domain-specific validationsProceedings of the 20th Conference on Pattern Languages of Programs10.5555/2725669.2725674(1-13)Online publication date: 23-Oct-2013
https://dl.acm.org/doi/10.5555/2725669.2725674
Blackshear SChang BSridharan M(2013)ThresherACM SIGPLAN Notices10.1145/2499370.246218648:6(275-286)Online publication date: 16-Jun-2013
https://dl.acm.org/doi/10.1145/2499370.2462186
Blackshear SChang BSridharan MBoehm HFlanagan C(2013)ThresherProceedings of the 34th ACM SIGPLAN Conference on Programming Language Design and Implementation10.1145/2491956.2462186(275-286)Online publication date: 16-Jun-2013
https://dl.acm.org/doi/10.1145/2491956.2462186
Steimann FUlke B(2013)Generic Model AssistProceedings of the 16th International Conference on Model-Driven Engineering Languages and Systems - Volume 810710.1007/978-3-642-41533-3_2(18-34)Online publication date: 29-Sep-2013
https://dl.acm.org/doi/10.1007/978-3-642-41533-3_2
Guerra EGuerra E(2012)Fundamental test driven development step patternsProceedings of the 19th Conference on Pattern Languages of Programs10.5555/2821679.2831289(1-15)Online publication date: 19-Oct-2012
https://dl.acm.org/doi/10.5555/2821679.2831289
Riehle D(2011)Lessons learned from using design patterns in industry projectsTransactions on pattern languages of programming II10.5555/1983735.1983736(1-15)Online publication date: 1-Jan-2011
https://dl.acm.org/doi/10.5555/1983735.1983736
Wilkinson HPrieto MRomeo LJohnson RGabriel R(2005)Arithmetic with measurements on dynamically-typed object-oriented languagesCompanion to the 20th annual ACM SIGPLAN conference on Object-oriented programming, systems, languages, and applications10.1145/1094855.1094964(292-300)Online publication date: 16-Oct-2005
https://dl.acm.org/doi/10.1145/1094855.1094964
Nguyen DRicken MWong SJoyce DKnox DDann WNaps T(2004)Design patterns for marine biology simulationProceedings of the 35th SIGCSE technical symposium on Computer science education10.1145/971300.971459(467-471)Online publication date: 3-Mar-2004
https://dl.acm.org/doi/10.1145/971300.971459
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Index Terms

Recommendations

Adaptive null steering beamformer implementation for flexible broad null control

Adaptive beamformer derived from a constrained null steering design

Iterative Broad Null Steering

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