This m-file plots the transmitted signal of slow frequency hopped spread spectrum.This uses one symbol transmission per frequency hop.
A uniform random number generator is used to generate the binary information sequence from the binary data source. The sequence of d-de?0d-deOaos and d-de?1d-deOaos is mapped into sequence of +E and d-deOCtE
where E represents the signal...
this simple system illustrates the effect of Doppler frequency on signal
transmitter : transmitted sin wave with freq kHz
target :changes the the freq of transmitted signal
receiver: receive the signal and produce Doppler frequency
It will calculate the conductor's short circuit current, total cantilever load, short circuit force transmitted to the GIS, heat loss by radiation & convection, equivalent power loss and many other more indicators.
BPSK SYSTEM SIMULATION
We simulate the generation of random variables r0 and r1, which constitutes the input to detector. We begin by generating a binary sequence of 0?s and 1?s that occur with equal probability and are mutually...
When audio or video is transmitted over an Ethernet network, the data is usually transmitted in bursts of packets with long idle times in between bursts. SimEvents is a good tool for modeling those types of sources and studying the effects of...
This Model has covered most of the physical layer blocks which is used in Zigbee Protocol.
In the transmitter, spreading is done using a PN Sequence at chip rate of 2 Mcps and then the spreaded bits are modulated using OQPSK modulator. In the...
This code use the Matlab interface GUI to calculate the vertical antenna properties. The code requests two inputs. The inputs are:
- antenna length.
- antenna output impedance.
The program plot the antenna diagram and calculate:
The program has been designed considering the details given in the first edition of Proakis. The resulting graph of the program contains the curves obtained by simulated BER vs SNR per bit as given in Fig 4.2.6 of the book of Proakis (1989).
The Matlab code investigates the harmful effects of high power amplifier on ofdm signals.
It is imagined that the amplifier destroy the amplitude of the transmitted signal due to saturation and has no effect on the signal phase. The...
This script is intended to illustrate the concepts of eyediagramm, constellation, ISI and to understand the effects of additive noise power, channel frequency band restriction, number of possible states within a symbol period, affecting the...