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Recent content by m_pourfathi

  1. M

    Need information about metal insulator metal devices

    Re: MIM devices I need a tutorial on how exactly they work from energy band point of view and particle movements points of view. I have to write a simple paper about it. and its due tomorrow. :( I was really busy with my other class projects I couldn't do this one before.
  2. M

    Need information about metal insulator metal devices

    MIM devices Does anyone know anything about Metal insulator Metal devices? Please send me links or data. You can also contact me via email: mehrdad@pourfathi.com Regards,
  3. M

    Urgent: Metal Insulator Metal(MIM)

    Does anyone know anything about MIM devices? please send me a link or any data. you can also contact me via email: mehrdad@pourfathi.com Regards, Mehrdad
  4. M

    What's the difference between Dipole and Dual-polarized

    Dipole is a type of antenna. Polarization depends on the angle of the electric field of the wave with and horizon. A Dipole has a only one polarization. But if an antenna is dual polarized. it means it can send and receive waves with two polarization. Like two dipole antennas perpendicular to...
  5. M

    Please help with my USB flash drive.

    flash memory please insert a disk into drive Dear friend, I had my Flash tested a few days later and it was a hardware issue. They gave me a new one and it's working fine. It is the hardware inside.
  6. M

    please help me - find a topic for my thesis

    Re: please help me What is the level your education you're preparing your thesis for? Masters? PhD?
  7. M

    linear system - show that the system is not linear

    Re: linear system There are three criterias to determine the linearity of a system: (assuming y is the output and x is the input) 1- if y = f(x) then a*y = f(a*x) 2- if y1 = f(x1) and y2 = f(x2) then y1 + y2 = f(x1 + x2) 3- if x = 0 then y=f(0) = 0 If a system can satisfy the criterias...
  8. M

    Ubuntu 8.10 WPA problem

    ubuntu 8.10 wpa Yeah I have, I also have read other people having the same issue but none seem to have come up with a solution, that's why I tried edaboard. I finally reinstalled ubuntu 8.04.1 it's not much different than 8.10 and it works ok.
  9. M

    The relation between mod. scheme and users and the bits in slots when using TDMA

    Re: users in modulation Admoon, It doesn't matter if you use TDMA FDMA or any other modulation scheme. every symbol transmitted contains two bits of information. If it uses TDMA different symbols at different times may be used by different users. Added after 3 minutes: I don't know if 512...
  10. M

    Ubuntu 8.10 WPA problem

    ubuntu wpa problem Dear all, I have a Dell vostro 1510 laptop, with windows vista ultimate installed on it. I installed ubuntu 8.04 under my windows and recently upgraded it to 8.10 using ubuntu's update manager. but since then, I my laptop cannot connect to any network with WAP security. even...
  11. M

    UART - Can I read data coming from a uart port

    uart terminal for windows Can I read data coming from a uart port of a microcontroller using terminal in windows or should I use another software? I heard avr stuido can do that, but my microcontroller is not avr, it's microchip pic series. I'll appreciate if you kindly assist me in the matter...
  12. M

    File Transfer by http protocol

    Re: File Transfer by http Well mostly when a file is downloaded from the internet the link begins with http. like http://www.registrycleanerforvista.com/files/regvissetup.exe What exactly does it mean? how the file is downloaded through the web then? can Post method be used in such procedure?
  13. M

    File Transfer by http protocol

    File Transfer by http Can a file be transferred by HTTP protocol? In internet when we download the files from webpages or from email attachments, how are they downloaded? where can I find the specification and method for file transferring in http?
  14. M

    HTML file appreas differently on firefox

    I am trying to create a webpage using Microsoft Office Sharepoint Designer 2007. When I create a page, It appears the way I did on IE7,IE8 ,Google Chrome and Safari. But it seems different on Mozilla firefox 3.0.3. Is there any particular reason for that? What am I supposed to do? Regards...
  15. M

    The relation between mod. scheme and users and the bits in slots when using TDMA

    Re: users in modulation for low signal to noise ratio BPSK is more efficient due to decreasing the BER. for Higher Signal to noise ratios 8PSK would be the better option due to its bandwidth reduction and rate increasing.

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