modeling and simulation for rf propagation

... MODELING AND SIMULATION FOR RF SYSTEM DESIGN Modeling and Simulation for RF System Design by RONNY FREVERT Fraunhofer Institute for Integrated Circuits, Dresden, ... Principle 4.3.2 Example for baseband simulation 4.3.3 Restrictions and advantages of baseband modeling 4.4 Model Libraries for System Simulation 4.5 Creation of Own Primitive and Hierarchical Models ... 27 27 30 30 31 33 vi MODELING AND SIMULATION FOR RF SYSTEM DESIGN 4.5.1 SPW modeling example 33 VHDL-AMS FOR BLOCK LEVEL SIMULATION 39 5.1 Introduction 39 5.2 VHDL-AMS Standardization 40 5.3

Ngày tải lên: 04/03/2019, 14:54

... important for the simulation designer to do his or her homework and construct the best COMMON PITFALLS OF MODELING AND SIMULATION AND RULES OF THUMB 15 educated guess when formulating ... field deployments, and modeling and simulation (M&S) It should be stated now that no one tool is typically sufficient in understanding the performance of a network; unfortunately, there ... reality First and foremost, we would like to acknowledge Brian Haberman and Julia Andrusenko for their assistance in writing this book, contributing their expertise and understanding of

Ngày tải lên: 02/04/2014, 15:49

... by Law and Kelton (1991) Trang 292.3 Modeling and Simulation 2.3.1 Modeling and Simulation definition Panvan (2020) stated: Modeling and simulation (M&S) is the use of a physical and logical ... 2.3 Modeling and Simulation 17 2.3.1 Modeling and Simulation definition 17 Trang 122.3.2 The purpose of Modeling and Simulation 182.3.3 Modeling of manufacturing system 18 2.3.4 Simulation ... demand forecast 26 3.3 Data collection and analysis 27 3.4 Modeling the simulation with Flexsim software 29 3.4.1 Some assumptions of simulation model 29 3.4.2 Steps of modeling 30 3.5 Simulation

Ngày tải lên: 04/05/2023, 16:28

... stated by Law and Kelton (1991) Trang 302.3 Modeling and Simulation2.3.1 Modeling and Simulation definition Panvan (2020) stated: Modeling and simulation (M&S) is the use of a physical and logical ... 2.3 Modeling and Simulation 17 2.3.1 Modeling and Simulation definition 17 Trang 132.3.2 The purpose of Modeling and Simulation 182.3.3 Modeling of manufacturing system 18 2.3.4 Simulation tool ... demand forecast 26 3.3 Data collection and analysis 27 3.4 Modeling the simulation with Flexsim software 29 3.4.1 Some assumptions of simulation model 29 3.4.2 Steps of modeling 30 3.5 Simulation

Ngày tải lên: 05/05/2023, 15:19

... by Law and Kelton (1991) Trang 292.3 Modeling and Simulation 2.3.1 Modeling and Simulation definition Panvan (2020) stated: Modeling and simulation (M&S) is the use of a physical and logical ... 2.3 Modeling and Simulation 17 2.3.1 Modeling and Simulation definition 17 Trang 122.3.2 The purpose of Modeling and Simulation 182.3.3 Modeling of manufacturing system 18 2.3.4 Simulation ... demand forecast 26 3.3 Data collection and analysis 27 3.4 Modeling the simulation with Flexsim software 29 3.4.1 Some assumptions of simulation model 29 3.4.2 Steps of modeling 30 3.5 Simulation

Ngày tải lên: 05/05/2023, 15:35

... by Law and Kelton (1991) Trang 292.3 Modeling and Simulation 2.3.1 Modeling and Simulation definition Panvan (2020) stated: Modeling and simulation (M&S) is the use of a physical and logical ... 2.3 Modeling and Simulation 17 2.3.1 Modeling and Simulation definition 17 Trang 122.3.2 The purpose of Modeling and Simulation 182.3.3 Modeling of manufacturing system 18 2.3.4 Simulation ... demand forecast 26 3.3 Data collection and analysis 27 3.4 Modeling the simulation with Flexsim software 29 3.4.1 Some assumptions of simulation model 29 3.4.2 Steps of modeling 30 3.5 Simulation

Ngày tải lên: 08/05/2023, 17:36

... model layer, and the mapping layer which is an interface between application and architecture models 2 THE SESAME APPROACH The Sesame modeling and simulation environment facili-tates performance ... Framework for System-Level Modeling and Simulation of Embedded Systems Architectures Cagkan Erbas, Andy D Pimentel, Mark Thompson, and Simon Polstra Computer Systems Architecture Group, Informatics ... design space pruning stage which is performed before cosimulation in Sesame.Section 4 dis-cusses the cosimulation framework itself from a software design and implementation point of view Section

Ngày tải lên: 22/06/2014, 19:20

... brothers, Navid andNima, for always being with me when I needed them, and for supporting me throughall these years, and my wonderful girlfriend, Ladan, for tolerating my difficult timesand soothing ... focuses on the modelingand simulation of the active needle By modeling the needle using fish-like roboticelements, path planning algorithm for the active needle is derived and validatedwith simulation ... Trang 322.4 Tissue Deformation ModelingSoft tissue has visco-elastic behavior with anisotropic, nonlinear, and neous characteristics Therefore, tissue modeling and tissue deformation are verycomplicated

Ngày tải lên: 16/10/2015, 15:38

... is used to capture the interface between the droplet and medium phases [63], and the continuum surface force model is employed to handle the surface tension as a body force [64] No slip condition ... impossible to perform a three-dimensional simulation for the whole microfluidic systems due to high computational cost Therefore, theoretical models for prediction of droplet deformation should ... system and droplet to investigate droplet deformation in a high-speed air flow As stated by this model, the spring force is analogous to the surface tension force and the pressure drag force on

Ngày tải lên: 09/03/2021, 09:57

... is used to capture the interface between the droplet and medium phases [63], and the continuum surface force model is employed to handle the surface tension as a body force [64] No slip condition ... impossible to perform a three-dimensional simulation for the whole microfluidic systems due to high computational cost Therefore, theoretical models for prediction of droplet deformation should ... system and droplet to investigate droplet deformation in a high-speed air flow As stated by this model, the spring force is analogous to the surface tension force and the pressure drag force on

Ngày tải lên: 24/04/2021, 18:01

... is used to capture the interface between the droplet and medium phases [63], and the continuum surface force model is employed to handle the surface tension as a body force [64] No slip condition ... impossible to perform a three-dimensional simulation for the whole microfluidic systems due to high computational cost Therefore, theoretical models for prediction of droplet deformation should ... system and droplet to investigate droplet deformation in a high-speed air flow As stated by this model, the spring force is analogous to the surface tension force and the pressure drag force on

Ngày tải lên: 25/04/2021, 10:45

... Understanding Gear Noise, J Derek Smith 18 Chains for Power Transmission and Material Handling: Design and Applications Handbook,American Chain Association 19 Corrosion and Corrosion Protection Handbook, ... Fundamentals and Testing: Second Edition, Revised and Expanded, Raymond G Bayer Engineering Design for Wear: Second Edition, Revised and Expanded, Raymond G Bayer Clutches and Brakes: Design and Selection, ... numerical modeling and simulation technology, coupling of temperature, inelastic behavior and phase transformation and solidification involved with elastic-plastic, viscoplastic and creep deformation...

Ngày tải lên: 10/08/2014, 12:21

... noted that these models should be widely used for off-line simulation of designing steel compositions and processing condition and on-line simulation for guaranteeing mechanical properties of steels ... GBS formation consists of diffusion of alloying elements and impurities from bulk to interface The migration mechanisms for substitial and interstitial impurities are different The reason for ... very useful for designing cooling facilities and determining cooling conditions for obtaining a more uniform quality product VIII CONCLUSION In this chapter, mathematical models for predicting...

Ngày tải lên: 10/08/2014, 12:21

... where F ¼ for grain boundaries and F ¼ for free surface The kinetics of segregation dissolution could be described by these equations (22) and (23) But, in this case, the variables Xb(0) and Xb ... Guttman has expanded the concept for synergistic co-segregation of alloying elements and harmful impurities at the grain boundaries His theory is very important for analysis of steels and alloys ... of I and M: DGI ¼ DG0 þ I bb ba MI b YM À MI Xa Cb Ca M ð19Þ bb ba MI b YI À MI Xa ab aa I ð20Þ DGM ¼ DG0 þ M where Cb and ab are the fractions of sites available in the interface for I and M...

Ngày tải lên: 10/08/2014, 12:21

... stresses and micro-residual stresses [1,2] The macro-type depends on the plastic deformation of solid materials due to rapid non-uniform cooling And, the strain and deformation due to phase transformation ... more perfect designing for metallurgical process In this chapter, the metallo-thermo-mechanical theory, numerical modeling and simulation technology considered with coupling of temperature and phase ... casting, and thermal spray coating as well as forging for the control of residual stress and distortion in these processing This chapter not only presents various simulation methods and results...

Ngày tải lên: 10/08/2014, 12:21

... calculated and experimental residual stress on the surface Figure 11 Comparison of residual stresses with and without consideration of transformation plasticity B Residual Stress and Distortion ... as a function of temperature by the methods mentioned below and used for simulation as the surface boundary condition Carbon Diffusion and Distribution Fig 17 shows the changes of carbon content ... elastic–viscoplastic solids and viscous fluids to apply simulation of the casting process was proposed and verified by experimental and numerical results On the other hand, a proposal based on the...

Ngày tải lên: 10/08/2014, 12:21

... the theory and numerical method VI DESIGNING OF FORGING PROCESS FOR CONTROL OF INTERFACIAL STRESS A Basic Description A typical industrial metal component may be manufactured by forging and heat ... 375–381 Ju, D.Y.; Inoue, T In Simulation of Solidification and Thermo-mechanical Behavior in Continuous Casting Process, Modeling and Simulation in Metallurgical Engineering and Materials Science; Yu, ... Conference on Physical and Numerical Simulation of Materials and Hot Working (ICPNS’99), 1999; 270–280 Copyright 2004 by Marcel Dekker, Inc All Rights Reserved 4 Modeling and Simulation of Mechanical...

Ngày tải lên: 10/08/2014, 12:21

... activation volume For given stress and strain, the value of T lnð_ à =_ Þ is constant for all e e _ temperatures and also for all strain rate values between e0 exp½ÀDG0 = _ ðkTފ and e0 This means ... shear wave velocity cT and s ¼ avn = À ðv=cT Þ2 Athermal Deformation Processes In the range of intermediate temperatures and low strain rates (combined ranges B and I), and at relatively low ... previous temperature rise and k is the fraction of energy remaining in the deformation zone At low strain rate, there is enough time for heat transfers out of the deformation zone and the temperature...

Ngày tải lên: 10/08/2014, 12:21

... two points of each fiber, and a kink band is observed, which is inclined to the load direction [59–59] Within the kink band, the matrix suffers high cyclic shear deformation, which may cause ... deformed The harder material appears in the mean brighter than the softer one Fourteen cycles later, the mesh and the stress distribution look completely different, as shown in Fig 24c and d for ... is the initiation of an inclined shear band accompanied by a reduction in the specimen deformation resistance, deformation localization in the matrix, and hence a reduction in the fatigue life...

Ngày tải lên: 10/08/2014, 12:21

... determined in experiments and by the finite-element simulation With these results, the main reason for crack initiation and growth seems to be the relatively high local strains, and not the local stress, ... uniformly distributed over the whole rod On the other hand, if the rod is impacted, e.g by a hammer at the front surface, the mass inertia forces cannot be neglected The rod front is pushed forward ... tensile forces are needed for the continuation of extension Other specimen regions undergo additional deformation, so that the uniform elongation increases with increasing strain rate sensitivity and...

Ngày tải lên: 10/08/2014, 12:21