Sökning: "modulator demodulator of QAM"

Hittade 2 uppsatser innehållade orden modulator demodulator of QAM.

1. 1. M-PSK and M-QAM Modulation/Demodulation of UWB Signal Using Six-Port Correlator

   Master-uppsats, Fysik och elektroteknik

   Författare :Negar A. Sani; [2010]
   Nyckelord :Six-Port Correlator; Ultra Wideband; Wireless Communication; Modulation; Demodulation; M-QAM; M-PSK;

   Sammanfattning : Nowadays high speed and high data rate communication are highly demanded. Consequently, wideband and high frequency transmitter and receivers should be designed. New transmitters and receivers should also have low power consumption, simple design and low manufacturing price in order to fulfill manufacturers’ requests for mass production. LÄS MER

3. 2. Transparent Satellite Switching using Flexible Frequency-band Reallocation

   Magister-uppsats, Institutionen för systemteknik

   Författare :Edgar Cámara Yagüe; José Manuel Menéndez Carretero; [2006]
   Nyckelord :downsampling; switching; upsampling; knowledge in impulse response of filters; white noise; modulator demodulator of QAM; symbol error rate; variance;

   Sammanfattning : The society expects a global interconected digital communication system offering multimedia services, information on demand and interchange of information with a high data rates and low cost. All this can not be realized with the terrestrial nets used nowadays cause it is necessary a high economic inversion to get a competitive capacity to interchange information between server and user. LÄS MER