Communication Definition and 321 Threads

which is better Java or C# me as engineer how can i use programming language in my field ? i am in the first year communication department.

Hi all, I know this is probably a very logical question but just to confirm. Can wave reflection interfere with communication in any wave.

I'm curious. Are there any science or math majors who found themselves needing to improve on communication with other majors and professors in a similar field? Was a mastery of the subject the most important thing in this communication, or was it more so just speaking more with others?

Hey there.. Got couple of questions that i hope u guys can help clarify my answer.. 1)Is it possible to design system with infinite signal to noise ratio SNR at the output when the noise is introduced by the channel? answer:No, because as long as there is noise at the channel. formula SNR...

I’ve seen much confusion here concerning the difference between instant correlation at a distance and instant “communication”, or transfer of information at a distance, and a simple thought experiment can clarify the difference. In Experiment A, we stick two coins together, one heads up and...

Those who are against superluminal communication often choose to look at a single set of 'entangled' particles as an example of communication between A(lice) and B(ob). For example, Patrick Van Esch: 'EPR, density matrices, and FTL signaling' that sees the two particles as ‘clearly defined...

I've read that supposedly no coherent information can be instantaneously teleported across space between single pairs of entangled particles because of random fluctuations. But might a way of overcoming this be to take two separated sets of more than one pair of entangled particles and arrange...

It googled a bit about NFC (Near Field Communication) technology. As a basic, the technology consists of a NFC chip with prestored data in it and a NFC receiver that receives data from the chips. this means is it not possible to use NFC to transmit or receive data that varies with time...

Homework Statement Problem #10 here http://i54.tinypic.com/2mn2nwp.jpg Homework Equations What is the idea behind a communication matrix and how to indicate the arrows of transmission? The Attempt at a Solution I've been a math tutor/teaching for many years and have not come across...

Since I began studying relativity, there has been a lot of talk about treating time on equal footing with space. Then there is the space-time. I have been pondering this a little while and I came across a (what I find) curious pair of situations. They are somewhat modified versions of the...

Referring to this paper: http://arxiv.org/abs/quant-ph/0611109 it appears that experiments were performed with correlation effects between entangled particles separated spatially (in the form of TLD cystals). There is funding available for this avenue of research especially in the commercial...

So i have used the search feature about the topic and found some information. But i couldn't really understand how measuring the properties of one electron and knowing the entangled particles properties can help communication through cosmic distances? As i see it, i can not say give a...

Ok, anyone browsing such a forum as this should know all too well the premise that nothing can travel faster than light. BUT!... and please humor me here, these are some very far-fetched theoretical situations. Let's say you are on the earth, and I am on some distant planet. Let's just say...

What is the purpose of delayed automatic gain controller (AGC) in communication receiver ?

1. Say there are two Earth's and many light years apart. You have a very long pole which is connected to both Earth's. And one guy on Earth 1 starts pushing/tilting the other end forward. So the guy on Earth 2 feels the pole being pushed forward. guy on Earth pushes pole forward in morse...

"Good Communication Skills" Ok well right now I'm doing pretty good in all my EECS and math courses, but the problem is that I have horrendous communication skills. I am trying really hard to improve them but I don't seem to be getting that much better. I'm really frightened because every...

In optic fibers the how do v transmitt the information? will not there be interference of light as different wavelength of light travel in core?

Allow me to create a scenario and ask questions first, then subsequently make an admission of ignorance. Assume we create a device (the source or repeater) that produces two beams of entangled photons at a steady, pulsing rate. Each beam is focused on a target at a far-away station. The...

I've read a few books on how to improve communication and social skills, but I noticed some disperaties. In one book, it said that the more you can apply sticky eyes (not taking your eyes off the person) the better. In another book, it said avoid sticky eyes, because it will make the other...

what is interfunction communication in c? thanks

Hi I just came across this forum I am working as a physicist in a hospital. I have seen quite a few medical physicists during my career. I find that most physicists I saw are quite lack of inter-personal skills. That is quite contrary to my original expectation because I though people with...

As per the theory of general relativity nothing can travell faster than the speed of light. Therefore we would always be in the past light cone of a distant celestial body, say planet X in another solar system, that is 100 light years away. A minimum of 100 years would have to lapse before an...

Hi Guys, I am in real dellima to take between this course. Obviously I prefer theory but I know my limitation too. Can some one shade between this 2 course which one is really good not interms of employment but interms of knowledge and content. I might decide between this 2 course for my grad...

Not sure if this is the right part of the forum. I suppose the question is a bit out of the ordinary but I need opinions. Suppose a species did develop a way to travel far distances and approach near light speed. Communication via radiowaves(or other forms) would be a bit archaic to...

Hello, I am new to this environment and I am about to do my final year project with the Power Line Communication.I am having some doubts regarding.Could anyone here explain how the data from my home can be transmitted to the energy station? some says that the system comes with...

A colleague and I are in our 4th year of Electrical Engineering and are designing a Visible Light Communication device capable of sending text, pictures, videos, etc over a binary light channel. We are currently using an FTDI chip to interface between the USB and receiver/transmitter. According...

I first pondered this a number of years ago but I've never formally studied physics or known anyone who has, so I've had no one to ask and it falls into the back of my mind for years at a time before I revisit the thought. I'm sure this is a question physics students deal with in some form...

Hello, I'm new here and not too bright so go easy please.. My question is something that has bugged me for years; The setup - A light speed (or nearly light speed) craft is orbiting Earth or at least circum-navigating it at a distance and at speeds close to the SOL. A cable runs from the...

Hello everyone, My aim is to design a project similar to this: http://www.youtube.com/watch?v=zZ5Bp1Jbm0s&feature=related However, I only have basic knowledge of signals and system since I'm a 2nd year EE undergrad. These days, I'm reading Analog and Digital Communication by Lathi...

Homework Statement I want to simulate OFDM using 16-bit QAM in Simulink. The main problem that I'm facing is regarding generation of digital signals and splitting a digital signal into two or more data streams, as we require in OFDM. Homework Equations The Attempt at a Solution...

please can anyone tell me urgently is the sinc pulse in time domain apulse which resist intersymbol interference or not ? i know that sinc is infinite given in frequency domain but is the condition of no ISI satisfied which is summation of shifted sincs by the bit rate value must be...

Hi, I wonder if someone could shed light on my question. It's kind of related to Fourier Transform and attenuations on signals. As everyone knows, in the early days, the communication on the local loop was on dial up which was basically analog communication.The digital data in computer...

I was just reading the new article that saying that people sent information through entangled photons, and that the photons were 10 miles apart. when entangled photons change they do so instantaneous of each other. so does this mean that even though they were ten miles apart they reacted to each...

Hi there, This is my first post so I hope that I am doing this correctly. I have put the question below and i am having troubles with numbers 3,5 and 6. Any help would be great. Cheers A transmitter with an output power of 200W operates at a frequency of 20MHz. It feed an antenna...

What is the importance of technical communication within the engineering field?

I am currently working on a project that will be a flying device, so i require a bit of range for control. I have been looking around for control systems, and have come across the XBee-PRO 802.15.4 RF Modem, which seems to me to be the best solution for me. Has anyone used this device before? If...

Hi I'm doing my pre-final year Electronics and communication engineering in India. But i want my career to be in theoretical physics. My ultimate aim is to find the secret behind the birth and working of our universe. Previously due to my family's compulsion i took engineering. Now i want to go...

In a previous post I discussed the idea of an intelligent universe but realized from your responses that communication faster than the speed of light is impossible. I got to thinking about that and thought what about worm holes. Worm holes can pass information across the universe faster than the...

Quantum entanglement Could somone explain to me the following questions please? Is it possible for instantaneous communication to occur using entangled particles?. i have heard that it cannot be done because you are not allowed to know information about both the position and the speed of...

Hello guys, first post ;p I am currently doing an info search for physics at school about weather and communication satellites. I'm not 100% sure if they're right because I've surfed the web and either get too broad answers or one that makes no sense lol At the moment, my understanding of how...

Hello, I'm a newbie in electriacal circuits. I want to implement a power line communication based on frequency modulation. At this point I'm able to "inject" bursts over the power line, but I'm having serious problems acquiring the burst. I'm working with a 24AC line, and microcontrollers...

Since the combined speed of electormagnetic waves can be 'c' and that they travel in space at 'c' leaves no component for time, hence the time on a watch on a beam of electromagnetic wave does not change at all. With this understanding, assume two stationary mobile phone users U1 and U2...

Physics Communication Idea - "Prove Me Wrong" I had an idea that i thought would be interesting to try. I have been wishing lately to make proposals of certain ideas I had about how certain things in the universe may work. I wanted a way to tell them to someone more knowledgeable than myself...

Homework Statement What is the maximum time and the minimum time it takes for communication from the space shuttle to reach the Director of NASA who is seated 20 meters away from the communication radio at Mission Control at the Johnson Space Center in Houston, Texas. You may assume that room...

please can anyone tell me what is the "boast charge pum current pll" as i have aproject to design one of its applications. i would be gratefull for any help.

Twenty years ago, July 5, 1989, we heard this: So when the warnings expire they are just renewed: World has only ten years to control global warming, warns Met Office But how scientific are these tipping points...

Nonlocal entanglement of quantum mechanics suggests the existence of instantaneous communication between distant particles. Related to this, one often hears the following argument: Argument 1: "If the communication is instantaneous in one Lorentz frame, then it is not instantaneous in any...

This is my first post. I am an aerospace engineer so these very technical computer questions still elude me. My question is mostly about RS422 standard. I have a piece of equipment (LIDAR) that is able to transmit data via a 9 pin serial port. If you put a jumper across two of the pins it...

i am a student of electronics and communication engineering. i am studying in third semester. i am eager to do some project related to filter circuits or any other things related to analog electronics and analog communication but i have no much idea about it. so, i want someone to assist me in...

Hi, I'm in the first year of my engineering course and I've only completed the first four months of the course. As you can imagine,I don't have a very good grasp over my subjects yet,but I'm trying really hard! In our physics syllabus,we have a few things about communication through coaxial...