What is Electronic: Definition and 441 Discussions

Electronic warfare (EW) is any action involving the use of the electromagnetic spectrum (EM spectrum) or directed energy to control the spectrum, attack an enemy, or impede enemy assaults. The purpose of electronic warfare is to deny the opponent the advantage of, and ensure friendly unimpeded access to, the EM spectrum. EW can be applied from air, sea, land, and/or space by manned and unmanned systems, and can target communication, radar, or other assets (military and civilian).

View More On Wikipedia.org
Recent contents Top users
  1. D

    Engineering Mechatronic engineering or electronic engineering

    i need advice, i want to go into a career in research engineer. i would like to do either electronic or mechatrionic engineering but i don't know if it would be better to just go into one field of engineering(electronics) which cover one subject in dept or two separate fields of...
  2. F

    Electronic Speed Control Question

    Hello, I'm not sure if this is where I need to be, but here goes. I have a Currie 24 volt ESC for an electric scooter, I also have a generic one that is 36 volts, both work perfect, my question is the 24 volt is built much, much better than the 36 volt, what I would like to do is swap the parts...
  3. I

    Thinking about electronic collisions with hydrogen.

    This seems like such a simple question and I feel like an idiot asking it, but here goes: If we have a hydrogen atom (not molecule) at "rest" and we shoot an electron at it with a certain known energy, what could happen? To me, it seems as though there are two distinct outcomes; either the...
  4. R

    Question for electronic engineers

    Question for electronic engineers! Im am going to school for a bachelors degree and have a couple of schools in mind. One is southern california institute of technology scitech.edu and the other is going to a jc and transfering to calstate. I was wondering if there are good jobs for people...
  5. L

    How can I tell when an electronic config is in ground or excited state?

    How can I tell, with an electronic configuration, if an element is in ground or exited state? Also, how can I determine what element it is if it uses a noble gas shortcut? I assume I find the noble gas in brackets, count the atomic number, add it to the elec config outside of the brackets, and...
  6. T

    Absorption bands on electronic spectra

    I have several electronic spectra for different cobalt complexes which I need to analyse. I am fine with finding \lambdamax and the molar absorption coefficient etc. However it also asks me to mark absorption bands on the printout and tabulate \lambdamax values and absorbance values for these...
  7. A

    What is the Difference Between Electronic and Electric?

    Can anyone help me?
  8. S

    Electronic Engineering and Computer Engineering Book

    Does anybody know of any online source for Electronic Engineering and Computer Engineering? I've only been able to find http://www.ece.mtu.edu/faculty/ljbohman/onlinetext/elint200.pdf" I suppose a real book would be fine too.
  9. J

    Electronic Supply sites make me cry (A switch-related question)

    Electronic Supply sites make me cry :( (A switch-related question) Ok so I've been going through Newark's site, trying my darnedest to find a tactile switch that A: does what I want, and B: has plastic switch caps of some kind that fit. To address item A, I need a tactile button that is...
  10. R

    Electronic control of ac power

    Hi Experts, I would like to make an electronic circuit to control AC power to switch on and off a light bulb based on sensor. Being new to this , i hope know what aspects i need to pay attention to when using DC to control AC? sincerely Ramone
  11. R

    Electronic properties of graphene

    I'm taking a graduate course on computational physics which has a project. I'm doing research on electronic properties of graphene, like quantum hall effect measurements. So, I want to do the project related to my research. The project shouldn't be too difficult, as I haven't done simulations...
  12. Q

    Math equation electronic document

    Hi, I wish to do math equations electronically. Can someone help me to find a good software? I heard there is such a thing called latex. Where can I find it? Thanks
  13. R

    How to shrink an electronic circuit?

    Dear Experts, I opened up a small radio about the size of thumbdrive. The circuit is so small. Is there a way to shrink a 555 timer chip which is so big compared to that radio? Radios should require transistors right? But I could not find the usual size transistor on this radio...
  14. G

    Engineering Jobs for an Electronic Engineer graduate?

    What kind of career opportunities are there for EE graduates which are dynamic, have decent pay and not repetitive?
  15. K

    What is the Electronic Configuration of a Free Nitrogen Atom?

    here is my problem. Galium Nitride is an Ionic Compound. Work out the electron arrangement of the Nitrogen ion
  16. G

    Looking for an electronic nose

    Hi I do not have much knowledge on engineering but please would someone help me look for a device like an electrical nose and tell me how I could acquire one. Let me be more descriptive: Say, this device might have a comopund attached to it that is made up of all kinds of odor...
  17. W

    What is the function of a copper-coil electronic component?

    What is this(copper-coil one)?
  18. W

    What is the Symbol for the SJC27145A Remote Control Circuit?

    What is this ( silver colour one )
  19. W

    What is the Symbol for the Yellow Electronic Component?

    What is this ( the yellow colour one ) ?
  20. W

    What is the Symbol for the Black Electronic Component?

    What is this ( the black colour one )?
  21. W

    2A302J is what electronic component ?

    2A302J is what electronic component ?
  22. G

    How do electrons flow in a basic electronic circuit?

    Hey guys, I'm going to university next year to complete a degree in electronics engineering and I'm hoping to get a head start. Ok I've attempted to read several online materials to try and create a mental model of what occurs in an electronic circuit. Let's assume its a basic circuit with a...
  23. MacLaddy

    The Electronic Engineers garage.

    I have been asking many questions trying to really get a feel for what someone in the field of Electrical Engineering really does, but now I realize I have been asking the wrong question. What I really want to know is: What kind of cool stuff can an Electrical Engineer build in his garage for...
  24. G

    Electronic or Software Engineering?

    I love them both. Which one do you think is more useful? Which one has more general application in everyday life?
  25. E

    Engineering Electronic Engineering: Exploring Opportunities Beyond the 9-5

    Hi, I'm a freshman studying electronic engineering (A 3 year program in my university). Lately I've been going through a lot of the posts here on this forum and I couldn't help myself from wondering where I could find myself in 3 years time or maybe more if I decide to go for a masters...
  26. E

    Freshman in an electronic engineering program

    Hi, I'm a freshman in an electronic engineering program in university. Throughout the course we're supposed to learn how to program using C. I was wondering if it would be a good idea to learn C++ on my own instead. From what I gather, C++ is a superset of C however I've also been told that...
  27. P

    Electronic theremal conductivity

    I'm trying to get some sort of value for the electronic contribution to the thermal conductivity of copper. Most sources seem to give the total thermal conductivity K=400 \mathrm{W/(m\cdot K)} at room temperature. The electronic contribution should be given by the Wiedemann–Franz law...
  28. 1

    Simple Electronic Millamp question

    This is my first post and I am really excited to find a forum that is full of people who know WAY more than I do about electricity! I am wiring up a lighting rig that will mount on my fire helmet. I am part of a great fire department and we are unhappy with what is available to provide us...
  29. 1

    Question to the Electronic engineers about a reversed capacitor.

    Ok guys, a buddy of mine gave me a broken flatscreen computer monitor. I've had a lot of exposure to capacitors and recognizing when they are bad and need fixed. I pulled the monitor apart and sure enough the caps were bulging. I replaced the two that were bulging and plugged in the power...
  30. C

    Engineering Which is the best computer engineering or electronic engineering

    im currently doing my first year in computer eng.,the thing is I am not sure if it suits me because i don't have any computer background plus comp.eng seems to be unrecognized in most instances (that is here in south africa).i did electrical technology in my high school years and it seems like I...
  31. J

    Does the brain pick up on electronic signals?

    The other day, I was sitting down watching TV, then I turned the TV off, and the DTV, and I noticed a sort of ringing high frequency humming in my brain. But the strange part was that when I turned my head 90 degrees, it stopped or got really quiet. Turned my had back to normal position sound...
  32. R

    Electronic Cigarettes: The Future of Smoking or Just a Marketing Ploy?

    Will they replace the traditional cigarettes, like DVD players have replaced VCRs? And are they really a safer alternative or is that just marketing? I'm not a smoker, by the way.
  33. A

    Electronic Structure (magnetic quantum number)

    Homework Statement Describe a possible set of quantum numbers for the 44th electron in mercury. The Attempt at a Solution I can't help but feel a bit embarrassed by some of the questions I ask on this forum. Nevertheless, I am having problems with figuring out what the magnetic...
  34. M

    Electron Charge: What Makes Electrons Attract/Repel?

    Tell me what makes electron have a charge , what is that property of electron due to which there is attraction /repulsion between two electrons ?
  35. J

    The meaning of the sign of the wavefunction in electronic structure

    I’m hoping someone will help me fill in some holes in my understanding of the electronic wavefunction. I understand the electronic wavefunction to be a *complex valued* function of the positions of all electrons in the system. But, most descriptions of atomic orbitals refer to the various...
  36. A

    Outdoor electronic soundproofing

    Excuse me. I am an accountant. No physics at all. But, is it possible to do outdoor soundproofing? I envisioned a setup of portable poles that could in effect soundproof an area with electonic or magnetic frequencies by blocking or effecting the sound waves coming from that area. Kind of like a...
  37. G

    Vector sum of magnetic and electronic forces

    Homework Statement A long, straight horizontal wire carries a current of 2.50 A directed toward the right. An electron is traveling in the vicinity of this wire. A)At the instant the electron is 4.50 cm above the wire and moving with a speed of 6.00×10^4 m/s directly toward it. What is...
  38. D

    Exploring the Band Model: Optical and Electronic Properties of Solids

    Show how the band model can explain the relationship between the optical and electronic properties of solids? any ideas one were to start looking? lost with this question
  39. T

    Chemistry vs. Electronic Engineering

    I applied for both chemistry and electronic engineering because I like both of these fields. In fact I like loads of different science fields I just picked these 2 because I can see where I am going with them. When I tell people I've applied for chemistry they tell me that's a good idea but...
  40. A

    Electronic device turned on in presence of tesla coil

    I had a small, about 1 foot secondary tall tesla coil with about 3 inch leaders coming off the toroid, and when i turned it on, I had an LED bike blinker light that would turn on when I would turn on the tesla coil. The blinker was about a foot away from the coil. I was wondering if anyone...
  41. S

    Electronic Quenching in Geiger Muller Tubes

    Dear friends, Plz. tell me about 'Electronic quenching' in Geiger Muller tubes.Thanks.
  42. L

    ELECTRONIC Circuits editor and Simulator

    Hi everyone, I am new to the forum and i am looking at a software that will help me simulate circuits. i have been using Pspice but I am not really happy with all its features. can someone please suggest something better for me? Eagerly awaiting a reply. thanks lakshmi
  43. E

    News Sept 2008: $550 Billion Disappeared in 1-2 hrs in an Electronic Run on the Banks

    Sept 2008: $550 Billion Disappeared in 1-2 hrs in an "Electronic Run on the Banks" Well, that's what Paulson and Bernake told Rep. Kanjorski (D-PA) anyway For those who don't know, the Great Depression's economic damage was mainly caused by bank runs(en masse customer withdrawal of deposits).
  44. K

    Quantum number and electronic configuration

    Homework Statement The problem is: find all possible quantum numbers for each electronic configure of carbon. 2. The attempt at a solution I don't quite understand what the question is asking. Does it ask first write down the electronic configuration and write down all quantum number...
  45. K

    Writing Electronic Structure Code

    Hello all, In my research, I use DFT from time to time using SIESTA or VASP. I have spent much time reading up on the various aspects of DFT and think I have a pretty good handle on it. In order to prove this to myself, I would like to start to write my own code. I am however finding that...
  46. S

    Chemistry Electronic & Molecular geometry: XeO3F2

    Find the electronic & molecular geometry and polarity of the molecule XeO3F2 For both electronic and molecular geometry I found to be trigonal bipyramid. The polarity of this molecule is Polar. Is this correct?
  47. S

    Chemistry Lewis dot, electronic and molecular geometry

    Draw the lewis dot, identify the electronic and molecular geometry and determine the polarity of a) NO2Cl and b) SOCl2 a) N has 6 valence electrons O has 6(2) = 12 valence electrons Cl has 7 valence electrons Total : 25 For the Lewis Structure: (* is for space) O-N-O **| **Cl I...
  48. D

    Building an Electronic Inclinometer device

    Allow me to be so bold as to ask,how do you build an Electronic Inclinometer to measure a boat tilting until it reaches a 5 degree angle. When the boat tilts to a 5 degree angle, the inclinometer has to be able to read the 5 degree. The Inclinometer has to be waterproof because it will be...
  49. D

    Using Electronic Ballasts for Fluorescent Tubes

    hi guys tell me something i have seen electronic ballasts for florecent tubes, they come in different wattages as well as the florecent tubes, what i need to know is the following... 1. if i get an electronic ballast that states 15watts and buy a florecent tube that is 20watts would...
  50. N

    Guidance needed for electronic engineering

    Hi all ! I am a high school graduate and am hoping to pursue a degree in electronic engineering. But, I am not sure if electronic engineering matches my interests. My interests are in computer, communication systems, digital devices, and also programming the devices, etc. Is electronic...
Back
Top