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5G Wireless Systems : Simulation and Evaluation Techniques / / by Yang Yang, Jing Xu, Guang Shi, Cheng-Xiang Wang
5G Wireless Systems : Simulation and Evaluation Techniques / / by Yang Yang, Jing Xu, Guang Shi, Cheng-Xiang Wang
Autore Yang Yang
Edizione [1st ed. 2018.]
Pubbl/distr/stampa Cham : , : Springer International Publishing : , : Imprint : Springer, , 2018
Descrizione fisica 1 online resource (XXIII, 434 p. 196 illus., 149 illus. in color.)
Disciplina 621.382
Collana Wireless Networks
Soggetto topico Electrical engineering
Computer communication systems
Operating systems (Computers)
Communications Engineering, Networks
Computer Communication Networks
Operating Systems
ISBN 3-319-61869-5
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Candidate Technologies and Evaluation Challenges for 5G -- Evolution of Testing Technology -- Channel Measurement and Modeling -- Software Simulation -- Evaluation Test of Software and Hardware Co-Simulation -- 5G Hardware Test Evaluation Platform -- Field Trial Network.
Record Nr. UNINA-9910299893003321
Yang Yang  
Cham : , : Springer International Publishing : , : Imprint : Springer, , 2018
Materiale a stampa
Lo trovi qui: Univ. Federico II
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Advances in Optical Form and Coordinate Metrology
Advances in Optical Form and Coordinate Metrology
Autore Leach Richard
Edizione [1st ed.]
Pubbl/distr/stampa Bristol : , : Institute of Physics Publishing, , 2021
Descrizione fisica 1 online resource (229 pages)
Altri autori (Persone) SeninNicola
CatalucciSofia
IsaMohammed A
PianoSamanta
Sims-WaterhouseDanny
ChenRui
XuJing
ZhangSong
EastwoodJoe
Collana IOP Series in Emerging Technologies in Optics and Photonics Series
ISBN 0-7503-4101-7
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Intro -- Preface -- Editor biography -- Richard Leach -- List of contributors -- Chapter 1 Terms, definitions and standards -- 1.1 Introduction -- 1.2 Surface and coordinate terms and definitions -- 1.3 General metrology terms and definitions -- 1.4 Specification standards for coordinate metrology -- 1.4.1 Coordinate metrology standards -- Acknowledgements -- References -- Chapter 2 State-of-the-art in point cloud analysis -- 2.1 Introduction -- 2.1.1 Mathematical representation of 3D point clouds -- 2.1.2 Common 3D point cloud file formats -- 2.1.3 Point cloud transformations -- 2.2 Extracting properties and organising information in point clouds -- 2.2.1 Convex hull and bounding boxes -- 2.2.2 Centroid and principal axes of a point cloud -- 2.2.3 Spatial subdivision of point clouds -- 2.3 Point cloud pre-processing -- 2.3.1 Point cloud simplification, decimation and resampling -- 2.3.2 Elimination of isolated points and noise reduction -- 2.3.3 Triangle meshes and conversion to/from point clouds -- 2.4 Point features and partitioning -- 2.4.1 Point normals -- 2.4.2 Point curvatures -- 2.4.3 Partitioning and segmentation -- 2.5 Point cloud fitting -- 2.5.1 Fitting methods -- 2.6 Registration of point clouds -- 2.6.1 Registration based on external references or based on matching landmarks -- 2.6.2 The absolute orientation problem -- 2.6.3 Alignment by means of principal component analysis -- 2.6.4 RANSAC alignment -- 2.6.5 Alignment by iterative closest points -- 2.6.6 Landmark matching and alignment using similarity metrics -- 2.7 Measurement uncertainty in point cloud surface data -- 2.7.1 Approaches to the estimation of measurement uncertainty -- 2.7.2 Uncertainty associated with point clouds -- 2.8 Conclusions -- References -- Chapter 3 Laser triangulation -- 3.1 Laser triangulation -- 3.2 Laser triangulation sensors.
3.3 Laser triangulation measurement dependence on surface properties -- 3.3.1 Measurement uncertainty limit -- 3.3.2 Surface reflectance perspective -- 3.3.3 Measurement dependence on surface form -- 3.4 Laser triangulation systems -- 3.4.1 Extension of a point based laser triangulation sensor -- 3.4.2 Point measurement systems -- 3.4.3 Profile measurement systems -- 3.4.4 Surface measurement systems -- 3.4.5 Advanced laser triangulation systems -- 3.5 Working process of laser triangulation -- 3.5.1 Characterisation of intrinsic parameters -- 3.5.2 Characterisation of extrinsic parameters -- 3.5.3 Pre-calibration of laser triangulation systems -- 3.5.4 Scanning path planning -- 3.5.5 Image pre-processing -- 3.5.6 Laser feature extraction -- 3.5.7 Refinement and postprocessing -- 3.6 Application of laser triangulation measurements -- 3.6.1 Application of laser triangulation in emerging manufacturing methods -- 3.6.2 Application for geometric inspection -- 3.6.3 Application of 3D reconstructed models -- 3.7 Conclusions -- References -- Chapter 4 Close-range photogrammetry -- 4.1 Introduction -- 4.1.1 Modern photogrammetry -- 4.1.2 Camera projection theory -- 4.1.3 The pinhole camera model -- 4.1.4 Distortion modelling -- 4.2 Characterisation and calibration -- 4.2.1 Camera characterisation -- 4.2.2 Linear techniques -- 4.2.3 Non-linear methods -- 4.2.4 Self-calibration -- 4.3 System calibration -- 4.3.1 Arbitrary scale -- 4.4 Image acquisition -- 4.4.1 Depth of field -- 4.4.2 Imaging procedure optimisation -- 4.5 Summary -- References -- Chapter 5 Digital fringe projection profilometry -- 5.1 Introduction -- 5.2 Fringe pattern generation methods -- 5.2.1 Conventional fringe generation methods -- 5.2.2 Digital binary defocusing techniques -- 5.2.3 New fringe pattern generation methods -- 5.3 Fringe analysis.
5.3.1 Conventional fringe analysis techniques -- 5.3.2 Machine learning enhanced fringe analysis methods -- 5.4 Phase unwrapping -- 5.4.1 Conventional phase unwrapping methods -- 5.4.2 Non-conventional phase unwrapping methods -- 5.4.3 Machine-learning-based phase unwrapping methods -- 5.5 High dynamic range techniques -- 5.6 Calibration -- 5.6.1 Conventional methods -- 5.6.2 Recent developments -- 5.7 High-speed FPP realisation -- 5.7.1 Conventional high-speed FPP methods -- 5.7.2 Recent developments -- 5.8 Towards automation -- 5.9 Towards integrated solutions -- 5.9.1 3D imaging system for crime scene evidence collection -- 5.9.2 Robotic path planning -- 5.10 Summary -- References -- Chapter 6 Machine learning approaches -- 6.1 Introduction -- 6.2 Overview of machine learning and machine learning methods -- 6.3 Machine learning for stereo matching -- 6.3.1 Learned stereo machines -- 6.4 Machine learning for phase unwrapping -- 6.5 Learning depth from a single image -- 6.5.1 Characterisation of cameras and projectors -- 6.6 Machine learning for point cloud analysis -- 6.6.1 Point cloud segmentation -- 6.6.2 Point cloud registration -- 6.6.3 Point cloud completion -- 6.7 Conclusions -- References -- Chapter 7 Precision freeform metrology -- 7.1 Overview of freeform surfaces -- 7.2 Framework for precision freeform metrology -- 7.3 Characterisation of freeform surfaces -- 7.3.1 Surface fitting and reconstruction -- 7.3.2 Surface matching -- 7.3.3 Surface parameters for form error evaluation -- 7.4 Conclusions and future research -- Acknowledgments -- References -- Chapter 8 Performance verification for optical co-ordinate metrology -- 8.1 Introduction -- 8.2 Material measures -- 8.2.1 Material measure 1 -- 8.2.2 Material measure 2 -- 8.2.3 Material measure 3 -- 8.2.4 Material measure 4 -- 8.3 The different types of performance verification test.
8.4 Specification of errors -- 8.4.1 General guidelines for performance verification -- 8.5 Performance verification procedures -- 8.5.1 Measurements with representative points -- 8.5.2 General preparation for the performance verification test -- 8.5.3 Probing characteristics -- 8.5.4 Distortion characteristics -- 8.5.5 Length measurement errors -- 8.6 Compliance with specifications -- 8.6.1 Formal definition of performance verification -- 8.6.2 Retesting after a failed compliance with specifications -- 8.7 A final note on the validity of performance verification -- References.
Record Nr. UNINA-9910861040103321
Leach Richard  
Bristol : , : Institute of Physics Publishing, , 2021
Materiale a stampa
Lo trovi qui: Univ. Federico II
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Bio-Active Products from Mangrove Ecosystems / / Wenhan Lin, Guoqiang Li, Jing Xu, editors
Bio-Active Products from Mangrove Ecosystems / / Wenhan Lin, Guoqiang Li, Jing Xu, editors
Pubbl/distr/stampa Basel : , : MDPI - Multidisciplinary Digital Publishing Institute, , 2023
Descrizione fisica 1 online resource (198 pages)
Disciplina 577.698
Soggetto topico Mangrove plants
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNINA-9910729781603321
Basel : , : MDPI - Multidisciplinary Digital Publishing Institute, , 2023
Materiale a stampa
Lo trovi qui: Univ. Federico II
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Finite frequency analysis and synthesis for singularly perturbed systems / / by Chenxiao Cai, Zidong Wang, Jing Xu, Yun Zou
Finite frequency analysis and synthesis for singularly perturbed systems / / by Chenxiao Cai, Zidong Wang, Jing Xu, Yun Zou
Autore Cai Chenxiao
Edizione [1st ed. 2017.]
Pubbl/distr/stampa Cham : , : Springer International Publishing : , : Imprint : Springer, , 2017
Descrizione fisica 1 online resource (XIV, 227 p. 64 illus., 41 illus. in color.)
Disciplina 515.392
Collana Studies in Systems, Decision and Control
Soggetto topico Control engineering
Fluid mechanics
Aerospace engineering
Astronautics
Electronic circuits
Control and Systems Theory
Engineering Fluid Dynamics
Aerospace Technology and Astronautics
Circuits and Systems
ISBN 3-319-45405-6
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Part I: Preliminaries -- Singular Perturbation Methods and Time-Scale Techniques -- Theoretical Foundation of Finite Frequency Control -- Part II: Control System Analysis and Synthesis -- Stabilization of Singularly Perturbed Systems -- Finite Frequency H∞ Control for Singularly Perturbed Systems -- Finite Frequency Positive Real Control for Singularly Perturbed Systems -- Sensitive-Shaping Problem for Singularly Perturbed Systems -- Part III: Applications -- Applications.
Record Nr. UNINA-9910254352803321
Cai Chenxiao  
Cham : , : Springer International Publishing : , : Imprint : Springer, , 2017
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui