1. The document discusses the differences between analog and digital technologies, explaining that analog translates signals into electronic pulses while digital breaks signals down into binary 1s and 0s.
2. It notes that while analog has been around longer and is cheaper, digital can carry more data in the same space and offers better clarity through error correction.
3. The document then provides details on the evolution of television, including early mechanical systems using Nipkow disks and the transition to fully electronic scanning using the Iconoscope camera, enabling the start of regular TV broadcasts.
The document discusses online identity and professional identity. It notes that one's online identity is visible to the world 24/7 and can impact their reputation and how mistakes may be permanent. It also discusses the risks of identity theft, privacy issues, and one's personal and professional identities colliding online. However, it argues that having an online presence can be reputation-enhancing, allow for professional networking and engagement, and provide opportunities for continuing professional development. It provides some tips, emphasizing the importance of carefully building one's online identity, choosing the right tools, maintaining visibility, and conducting oneself ethically.
Solar Power Analysis and Design Specifications Houston solarHossam Zein
This document provides a summary of technical assistance provided by SRA International to the City of Houston regarding the development of a 10 MW solar farm on a former landfill. Key points include:
- SRA conducted a site visit of the Holmes Road Landfill and determined the southern half of the site was best suited for solar development due to utility infrastructure and solar panel orientation.
- The site will require clearing and grading which may disturb the landfill cap. Contamination was also a consideration.
- Tasks performed included engineering assessments, determining the optimal solar system size and design, developing cost estimates, and conducting an economic analysis.
- The project aims to redevelop the brownfield site into a solar farm to
Hossam Ahmed Zein is seeking a professional training opportunity in a dynamic work environment to build technical and interpersonal skills. He is currently a 4th year student studying Communication & Electronics at the University of District of Columbia expected to graduate in June 2011. He has experience participating in projects building electrical generating units and as a stacks supervisor for an existing project. He also has training in areas like power, control, instruments and satellite communications. Hossam is proficient in software like MATLAB and Microsoft Office as well as programming languages. He is looking to gain experience through internships utilizing his education and skills.
1. The document discusses the differences between analog and digital technologies, explaining that analog translates signals into electronic pulses while digital breaks signals down into binary 1s and 0s.
2. It notes that while analog has been around longer and is cheaper, digital can carry more data in the same space and offers better clarity through error correction.
3. The document then provides details on the evolution of television, including early mechanical systems using Nipkow disks and the transition to fully electronic scanning using the Iconoscope camera, enabling the start of regular TV broadcasts.
The document discusses online identity and professional identity. It notes that one's online identity is visible to the world 24/7 and can impact their reputation and how mistakes may be permanent. It also discusses the risks of identity theft, privacy issues, and one's personal and professional identities colliding online. However, it argues that having an online presence can be reputation-enhancing, allow for professional networking and engagement, and provide opportunities for continuing professional development. It provides some tips, emphasizing the importance of carefully building one's online identity, choosing the right tools, maintaining visibility, and conducting oneself ethically.
Solar Power Analysis and Design Specifications Houston solarHossam Zein
This document provides a summary of technical assistance provided by SRA International to the City of Houston regarding the development of a 10 MW solar farm on a former landfill. Key points include:
- SRA conducted a site visit of the Holmes Road Landfill and determined the southern half of the site was best suited for solar development due to utility infrastructure and solar panel orientation.
- The site will require clearing and grading which may disturb the landfill cap. Contamination was also a consideration.
- Tasks performed included engineering assessments, determining the optimal solar system size and design, developing cost estimates, and conducting an economic analysis.
- The project aims to redevelop the brownfield site into a solar farm to
Hossam Ahmed Zein is seeking a professional training opportunity in a dynamic work environment to build technical and interpersonal skills. He is currently a 4th year student studying Communication & Electronics at the University of District of Columbia expected to graduate in June 2011. He has experience participating in projects building electrical generating units and as a stacks supervisor for an existing project. He also has training in areas like power, control, instruments and satellite communications. Hossam is proficient in software like MATLAB and Microsoft Office as well as programming languages. He is looking to gain experience through internships utilizing his education and skills.
This document summarizes a virtual conference called World OT Day that was organized to support the development of occupational therapy internationally through knowledge sharing. The conference was planned over 4 months and involved a team of 6 members delivering 24 hours of presentations over 30 virtual classrooms to over 1000 participants from 30 countries. The conference allowed for real-time networking and connectivity across different locations. Participants found value in the discussions and insights from people in different parts of the world. Lessons from the conference emphasized keeping the event lean and harnessing appropriate technologies while maintaining simplicity.
The document describes a solar tracking system called the sonnen_system that is designed to maximize solar energy collection. It precisely tracks the sun's movement throughout the day to maintain an optimal angle for solar panels, increasing energy yields by up to 45% compared to fixed systems. The sonnen_system uses a robust design and precise controls to reliably produce electricity even in extreme weather conditions, and its modular design allows for monitoring and maintenance from anywhere in the world.
This document is a list of graduation projects for the Faculty of Engineering at Cairo University's Department of Electronics and Electrical Communications Engineering for 2008/2009. It lists 61 projects with titles related to communications engineering. The projects are organized with the main advisor and project title.
This is a school project that I did about the World Wide Web. The World Wide Web is not mine, I just made the powerpoint. The World Wide Web belongs to Tim Berners-Lee.
The document discusses 3D television production using Grass Valley equipment. It describes how 3D works by presenting slightly different views to each eye to create the perception of depth. Key challenges for 3D TV production include setting camera lenses the correct distance apart, dealing with reduced light levels, and ensuring the left and right views remain synchronized. Grass Valley cameras can be mounted side-by-side or use a mirror rig to position the lenses properly. Additional processing may be required to adjust the views for mirror rig setups.
The document provides formatting guidelines for engineering project reports at Yeditepe University's Department of Electrical and Electronics Engineering. It specifies formatting for [1] page layout including margins, pagination and headings; [2] arrangement including required report sections like the title page, abstract, and bibliography; and [3] final preparation for submission. Adhering to the provided format ensures consistency and readability.
This document provides an overview of different types of radar systems. It begins by classifying radars as either imaging or non-imaging. It then describes primary radar, which transmits and receives its own signals, and secondary radar, which relies on signals from transponders. Pulse radar and continuous wave radar are also introduced. The document provides examples of different radar applications for air traffic control, air defense, and other uses. It establishes learning objectives around understanding the differences between primary and secondary radars.
Improve plant heat rate with feedwater heater controlHossam Zein
This document discusses improving thermal efficiency in power plants by optimizing feedwater heater performance and control. It contains the following key points:
1. Small deviations in heat rate can have large impacts on annual fuel costs, so precise control of feedwater heater levels is important for efficiency. Poor level control leads to heat losses.
2. Feedwater heaters use extraction steam to preheat feedwater and improve boiler efficiency. Accurate level control ensures optimal heat transfer. Instrument errors can degrade performance.
3. Two case studies show how unreliable level controls increased annual fuel costs by $243,000 in one plant and led to excessive heater bypasses in another. Updating controls provided paybacks of 1
This document summarizes a virtual conference called World OT Day that was organized to support the development of occupational therapy internationally through knowledge sharing. The conference was planned over 4 months and involved a team of 6 members delivering 24 hours of presentations over 30 virtual classrooms to over 1000 participants from 30 countries. The conference allowed for real-time networking and connectivity across different locations. Participants found value in the discussions and insights from people in different parts of the world. Lessons from the conference emphasized keeping the event lean and harnessing appropriate technologies while maintaining simplicity.
The document describes a solar tracking system called the sonnen_system that is designed to maximize solar energy collection. It precisely tracks the sun's movement throughout the day to maintain an optimal angle for solar panels, increasing energy yields by up to 45% compared to fixed systems. The sonnen_system uses a robust design and precise controls to reliably produce electricity even in extreme weather conditions, and its modular design allows for monitoring and maintenance from anywhere in the world.
This document is a list of graduation projects for the Faculty of Engineering at Cairo University's Department of Electronics and Electrical Communications Engineering for 2008/2009. It lists 61 projects with titles related to communications engineering. The projects are organized with the main advisor and project title.
This is a school project that I did about the World Wide Web. The World Wide Web is not mine, I just made the powerpoint. The World Wide Web belongs to Tim Berners-Lee.
The document discusses 3D television production using Grass Valley equipment. It describes how 3D works by presenting slightly different views to each eye to create the perception of depth. Key challenges for 3D TV production include setting camera lenses the correct distance apart, dealing with reduced light levels, and ensuring the left and right views remain synchronized. Grass Valley cameras can be mounted side-by-side or use a mirror rig to position the lenses properly. Additional processing may be required to adjust the views for mirror rig setups.
The document provides formatting guidelines for engineering project reports at Yeditepe University's Department of Electrical and Electronics Engineering. It specifies formatting for [1] page layout including margins, pagination and headings; [2] arrangement including required report sections like the title page, abstract, and bibliography; and [3] final preparation for submission. Adhering to the provided format ensures consistency and readability.
This document provides an overview of different types of radar systems. It begins by classifying radars as either imaging or non-imaging. It then describes primary radar, which transmits and receives its own signals, and secondary radar, which relies on signals from transponders. Pulse radar and continuous wave radar are also introduced. The document provides examples of different radar applications for air traffic control, air defense, and other uses. It establishes learning objectives around understanding the differences between primary and secondary radars.
Improve plant heat rate with feedwater heater controlHossam Zein
This document discusses improving thermal efficiency in power plants by optimizing feedwater heater performance and control. It contains the following key points:
1. Small deviations in heat rate can have large impacts on annual fuel costs, so precise control of feedwater heater levels is important for efficiency. Poor level control leads to heat losses.
2. Feedwater heaters use extraction steam to preheat feedwater and improve boiler efficiency. Accurate level control ensures optimal heat transfer. Instrument errors can degrade performance.
3. Two case studies show how unreliable level controls increased annual fuel costs by $243,000 in one plant and led to excessive heater bypasses in another. Updating controls provided paybacks of 1
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