Es tracta d'un conte fet a partir de senyals de trà nsit per tal que els nens siguin capaços de promoure progressivament la seva capacitat de relació entre imatge i text (utilitzant la iconografia que mostren i el sentit real d'algunes de les senyals utilitzades).
The document lists equivalent software programs between Windows and Ubuntu operating systems, including Microsoft Office programs like Word being equivalent to Open Office Writer, PowerPoint equivalent to Open Office Impress, and Excel equivalent to Open Office Calc, as well as other programs like Windows Explorer being equivalent to Firefox and Skype being equivalent to Linphone.
The document discusses microcontrollers and the MSP430 microcontroller. It begins by defining a microcontroller and comparing it to a microprocessor. It then describes the different types of microcontrollers and provides examples of their uses. The remainder of the document focuses specifically on the MSP430 microcontroller from Texas Instruments, describing its features such as low power consumption, peripherals, memory architecture, and clock system. It also discusses the MSP430's assembly language and interrupt handling capabilities.
Performance analysis of a monopole antenna with fluorescent tubes at 4.9 g hz...Alexander Decker
Ìý
This document describes the analysis of a monopole antenna design with fluorescent tubes at an operating frequency of 4.9 GHz. The antenna structure consists of 12 commercial fluorescent tubes surrounding a monopole antenna located in the center of a circular ground plane. The performance of the antenna design is analyzed using CST Microwave Studio software. Parameters like return loss, radiation pattern, and gain are evaluated to analyze the antenna's performance. The fluorescent tubes act as plasma reflectors when electrified, trapping radiation inside and improving the antenna's performance for potential military applications.
The document describes the design of a microstrip patch antenna with the following requirements: resonant frequency of 10GHz and input impedance of 100 ohms. It outlines the steps to design the antenna in HFSS including: 1) designing the rectangular patch and trace on a substrate with dimensions of 50x55x0.793mm and relative permittivity of 2.32, 2) assigning materials and boundaries, 3) adding a waveport excitation, and 4) setting up an adaptive and sweep solution to analyze the S-parameters and input impedance.
This document provides an introduction to using ANSYS HFSS (High Frequency Structure Simulator) software. It discusses the fundamentals of HFSS including the finite element method used to solve Maxwell's equations, the adaptive solution process, computational volume, general simulation steps, and available solution types. It also covers important HFSS concepts such as boundaries, excitations, solution setup, modeling GUI basics, and post-processing of results. The document is intended to serve as a primer and quick reference guide for new HFSS users.
This document describes a generalized design for a slotted waveguide antenna that can operate from 1-70 GHz. It discusses how the antenna design is parameterized and synthesized using Python scripts in EMPro to automatically calculate design parameters and simulate the antenna across different frequencies and slot array configurations. Key steps include calculating antenna dimensions, setting simulation parameters, and running FEM simulations to evaluate antenna gain, beamwidth, and performance at various frequencies including 2.44 GHz, 6 GHz, 27 GHz, and 60 GHz.
The document discusses the MSP430 microcontroller family from Texas Instruments. It provides an overview of the MSP430 architecture including its ultra-low power capabilities, peripherals, and development tools. Specific MSP430 derivatives and their features are also highlighted.
Design of Planar Antennas for Wireless ApplicationsAnil Pandey
Ìý
Planar antennas, including microstrip and printed antennas, metal-plate antennas, ceramic chip and dielectric resonator antennas have a low profile hence, these antennas have extensive applications in mobile systems (such as 900/1800 MHz bands), wireless local area networks (WLANs, such as 2.4/5.2/5.8 GHz bands), ultra-wideband (UWB, such as 3.1 ~ 10.6 GHz band) communications.
The document describes a student project to design, simulate and fabricate a printed Yagi-Uda antenna. Key aspects of the project include determining antenna design parameters, optimizing the antenna design through simulation, and testing a fabricated prototype antenna. Simulation results showed a gain of 6.9 dB, return loss below -10 dB, and beamwidth of 76 degrees. Measured results of the fabricated antenna met specifications with a gain of 6.18 dB, return loss below -10 dB, and bandwidth of 525 MHz.
The document lists equivalent software programs between Windows and Ubuntu operating systems, including Microsoft Office programs like Word being equivalent to Open Office Writer, PowerPoint equivalent to Open Office Impress, and Excel equivalent to Open Office Calc, as well as other programs like Windows Explorer being equivalent to Firefox and Skype being equivalent to Linphone.
The document discusses microcontrollers and the MSP430 microcontroller. It begins by defining a microcontroller and comparing it to a microprocessor. It then describes the different types of microcontrollers and provides examples of their uses. The remainder of the document focuses specifically on the MSP430 microcontroller from Texas Instruments, describing its features such as low power consumption, peripherals, memory architecture, and clock system. It also discusses the MSP430's assembly language and interrupt handling capabilities.
Performance analysis of a monopole antenna with fluorescent tubes at 4.9 g hz...Alexander Decker
Ìý
This document describes the analysis of a monopole antenna design with fluorescent tubes at an operating frequency of 4.9 GHz. The antenna structure consists of 12 commercial fluorescent tubes surrounding a monopole antenna located in the center of a circular ground plane. The performance of the antenna design is analyzed using CST Microwave Studio software. Parameters like return loss, radiation pattern, and gain are evaluated to analyze the antenna's performance. The fluorescent tubes act as plasma reflectors when electrified, trapping radiation inside and improving the antenna's performance for potential military applications.
The document describes the design of a microstrip patch antenna with the following requirements: resonant frequency of 10GHz and input impedance of 100 ohms. It outlines the steps to design the antenna in HFSS including: 1) designing the rectangular patch and trace on a substrate with dimensions of 50x55x0.793mm and relative permittivity of 2.32, 2) assigning materials and boundaries, 3) adding a waveport excitation, and 4) setting up an adaptive and sweep solution to analyze the S-parameters and input impedance.
This document provides an introduction to using ANSYS HFSS (High Frequency Structure Simulator) software. It discusses the fundamentals of HFSS including the finite element method used to solve Maxwell's equations, the adaptive solution process, computational volume, general simulation steps, and available solution types. It also covers important HFSS concepts such as boundaries, excitations, solution setup, modeling GUI basics, and post-processing of results. The document is intended to serve as a primer and quick reference guide for new HFSS users.
This document describes a generalized design for a slotted waveguide antenna that can operate from 1-70 GHz. It discusses how the antenna design is parameterized and synthesized using Python scripts in EMPro to automatically calculate design parameters and simulate the antenna across different frequencies and slot array configurations. Key steps include calculating antenna dimensions, setting simulation parameters, and running FEM simulations to evaluate antenna gain, beamwidth, and performance at various frequencies including 2.44 GHz, 6 GHz, 27 GHz, and 60 GHz.
The document discusses the MSP430 microcontroller family from Texas Instruments. It provides an overview of the MSP430 architecture including its ultra-low power capabilities, peripherals, and development tools. Specific MSP430 derivatives and their features are also highlighted.
Design of Planar Antennas for Wireless ApplicationsAnil Pandey
Ìý
Planar antennas, including microstrip and printed antennas, metal-plate antennas, ceramic chip and dielectric resonator antennas have a low profile hence, these antennas have extensive applications in mobile systems (such as 900/1800 MHz bands), wireless local area networks (WLANs, such as 2.4/5.2/5.8 GHz bands), ultra-wideband (UWB, such as 3.1 ~ 10.6 GHz band) communications.
The document describes a student project to design, simulate and fabricate a printed Yagi-Uda antenna. Key aspects of the project include determining antenna design parameters, optimizing the antenna design through simulation, and testing a fabricated prototype antenna. Simulation results showed a gain of 6.9 dB, return loss below -10 dB, and beamwidth of 76 degrees. Measured results of the fabricated antenna met specifications with a gain of 6.18 dB, return loss below -10 dB, and bandwidth of 525 MHz.
El documento es una colección de poemas cortos escritos por niños sobre cantar para crear un mundo mejor. Los niños cantan para promover la paz, alegrÃa, justicia y protección del medio ambiente. Su mensaje es que al unir sus voces pueden hacer que el mundo los escuche y crear un futuro más feliz.
This document lists different animals that are part of a school project for the 2011/2012 school year, including horse, frog, penguin, dog, tiger, seal, elephant, gorilla, chicken, and horse and frog.
This document lists different animals that are part of a school project for the 2011/2012 school year, including horse, frog, penguin, dog, tiger, seal, elephant, gorilla, chicken, and horse and frog.
The document shows two children painting maps on a wall. One child is painting Egypt and surrounding countries, labeling the pyramids of Khufu and Khafre. The other child labels they are painting Saudi Arabia. They say they are painting Egypt and neighboring countries.
2. Aquest any tenim hort nou ! Perquè vam estrenar col.le l’any passat i l’hort encara no estava acabat. És un hort molt gran i … necessitarem ajuda!