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Recent content by venkateshkumar

  1. V

    what are the research areas available in MEDICAL IMAGE

    research areas in image enhancement HAI can anyone give me some ideas about what are the research areas available in medical image processing i have classified in to following MR scan image ultrasonic image enhancement/reconstruction etc give me some more details of research areas
  2. V

    HOW TO MEASURE VSWR IN VSWR METER IN LAB EXPERIMENT

    how to measure vswr HAI, HOW TO MEASURE VSWR , FIRST WE ARE SETTING MAXIMUM AMPLITUDE IN CRO THEN WE PLUG COAXIAL CABLE TO THE VSWR METER? HOW TO FIND VSWR MEASUREMENT ITS ANNA UNIVERSITY SYLLABUS FOR FINAL YR ECE STUDENTS CAN ANYONE EXPLAIN HOW TO set GAIN CONTROL NOB AND dB NOB ...
  3. V

    half of address 0xffffffff? explain this

    half of address 0xffffffff is . Half of address 0Xffffffff is a) 77777777 b) 80000000 c) 7FFFFFFF d) some other choice hai anyone can explain how to find answer to this question. regards venkatesh
  4. V

    why we use S parameters for MICROWAVE COMPONENTS

    HAI CAN ANY ONE HELP ME, ALL MICROWAVE COMPONENTS ARE DESCRIBED WITH S PARAMETERS WHY IT IS SO?
  5. V

    Difference b/w magnetron oscillator and klystron Oscillator

    hai any one can help me please whats the difference between the Magnetron Oscillator, Klystron Oscillator and the Gunn OScillator while doing Microwave Experiments?
  6. V

    The 9 basic commands in GSM network

    hai guys, do u know 9 COMMANDS IN GSM NETWORK , in one interview i came across this questions it is used in gsm based projects. for sending SMS AND Other related applications we want to know thiese commands please give details regarding this frdly, venkatesh
  7. V

    any one answer to this questions

    IN voice communication voice will present in? a) amplitude b)frequency c)slope d)phase satellite covering area in GEO orbit is called? what type of noise present in PCM? A)white noise b)granular noise c)acoustic noise what is skype distance (ie. some frequency is not able to travel in...
  8. V

    Looking for VHDL code for 16 QAM

    HAI, anyone have VHDL code for 16 QAM PLEASE HELP US....... THANKS venkatesh
  9. V

    ofdm pilot signals, zero carrier

    hai thanks for ur valuable guidance thank you guys regards venkatesh
  10. V

    ofdm pilot signals, zero carrier

    ofdm pilot hai for 64 ifft size 48 subcarriers + 4 pilot signal + 12 zero carrier is this constant value? if then for 1024 ifft size how many pilot signals and zero carriers needed another issue is one frame contains how many symbols ?? how to fix FRAME SIZE? HELP ME PLEASE........... I...
  11. V

    OFDM TRANSCEIVER CODE

    coding of ofdm transceiver HAI, guys any one have OFDM transceiver code in matlab please help me........... thanks in advance regards venkateshkumar
  12. V

    How to generate 64 QAM in Matlab 6.5

    HI any one of u know how to generate 64 qam in matlab 6.5 please help me thanks in advance regards venkatesh
  13. V

    number of sub carriers in OFDM

    HOW TO GENERATE SUBCARRIERS in ofdm ? i am using matlab 6.5 ver
  14. V

    REGARDNG OFDM ( NO OF CHANNELS, SERIAL TO PARALLEL CONVER)

    serial to parallel ofdm matlab HI, HOW TO FIX THE NO OF CHANNELS , I GENERATED RANDOM SIGNAL FOR AMPLITUDE LEVEL 4 AND HOW TO CONVERT IN TO PARALLEL USNG MATLAB, GIVE THE COMMANDS IN MATLAB CODE TO CONVERTTO PARALLEL. HOW TO FIX THE NO OF CHANNELS, NO OF CARRIERS, IS THERE ANY RELATION HELP...
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    Explain the differences between modulation and multiplexing

    Re: Explain the differences between modulation and multiplex hai In telecommunications, modulation is the process of varying a periodic waveform, i.e. a tone, in order to use that signal to convey a message, in a similar fashion as a musician may modulate the tone from a musical instrument by...

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