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Recent content by kad

  1. K

    Need help in java script urgent

    hi all, i am given a project to validate a user in the jsp page and if he has the privilage enable one the submit button...else diable it...using java script...i'm new to java script..could someone plz help me out... thanks a lot in advance... bye
  2. K

    Need Help Urgently-doubt on wireless channel

    hi!I have gone through an ieee paper titled ' FDD MAC PROTOCOL FOR MULTIMEDIA NETWORKS'.the paper says that bifurcating MAC into layers reduces congestion and improves QOS...can someone elaborate on the layers in the present wireless channel and how is it advantageous to further split mac into...
  3. K

    Can anyone please post the matlab code for QPSK modulation?

    Need Help Urgently Can anyone please post the matlab code for QPSK modulation? Please help.:cry:
  4. K

    How is WCDMA implemented using MAC protocol?

    I recently came across an article proposing the implementation of WCDMA using MAC protocol. Could someone tell me presently how WCDMA system is being implemented? And what are the advantages of using MAC protocol?
  5. K

    Why 5 Mhz bandwidth is required for WCDMA systems?

    I want to know why 5 Mhz bandwidth is required for WCDMA systems and also if we can calculate using the chip rate? Please help me.
  6. K

    final year project --help needed

    Hi..I am an ECE student doing my b.tech final year..I hav a trouble in choosing the domain for my final year project...cud some one give me some guide lines as to how to decide my domain...and would be grateful if someone could give me some recents projects in digital signal processing ???
  7. K

    try to give the logic

    Give a very good method to count the number of ones in a 32 bit number. (caution: looping through testing each bit is not a solution).
  8. K

    C line for testing if a number is a power of 2 or not

    could anybody give a one line c expression to test if a number is a power of 2 or not?
  9. K

    voltage booster needed

    I need a small circuit to boost variable input voltage of 0.3 - 2.3 v to a constant voltage of 3.6v .could someone please help?
  10. K

    voltage booster needed

    I need a circuit which can boost voltage and current from a low voltage and maintain it without fluctuations..could someone please help :)
  11. K

    Cell phone working needed

    Hi! Could someone please help me in finding information about internal cell phone working..i mean what does the cell do with the voltage it gets?how does the lithium battery exactly gets charged.. And could some one provide me with specifications of cell phone..
  12. K

    How to avoid transients in a circuit?

    Im working on a small project presently...which i could get it to some extent...but the problem is as soon as i switch on the powersupply i find some transients in the circuit ...can anyone suggest a way to avoid those transients...otherwise the circuit is working properly
  13. K

    need direction sensor

    could you please explain the concept of light barriers..
  14. K

    need direction sensor

    Is there any sensor which detects the direction in which the person is moving? That is it should produce a pulse if the person is moving in one direction and a negative pulse if he moves in the opposite direction..please help
  15. K

    Solutions for detecting number of people entering a room

    Re: weight detector Can you explain how do we generate 2 light beams simultaneously to count the number of people entering and leaving the room? Is it by having 2 light beams of different frequency or wavelength ? Also how to subtract the number of people leaving simultaneously? Also can you...

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