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Suppose you have three antennas a1,a2 and a3, and the distance of the antennas (a2,a3) to the first antenna (a1) are d12 and d13. When d12 <=lambda/2, you can resolve the angle of arrival of incoming signal with only two antennas (a1 and a2). When you can't position the antennas so close...
You need to save the data for each pulse repitition frequency to a buffer..do it N times and form a NxM matrix and sum the values for each range cell.
If you want to do it using vhdl, simulating it in simulink and getting the same simulation using xilinx blocksets in simulink will be an easy...
Hello everyone,
I am trying to plot range-doppler diagram for an fmcw radar.
Here is how I generate transmitted,received and video signal;
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
clear all;
close all;
clc
c=3e8; %speed of light
fc=8e9; %carrier freq...
Hello,
Can anybody tell me how to find an ambiguity function of an LFM radar pulse using fft? I am trying to form the ambiguity diagram with doppler shift and time delay in the axises. But I need to do it using FFT blocks.
Any help is appreciated!
BPSK BER with OFDM modulation
Orthogonal Frequency Division Multiplexing (OFDM) Tutorial
**broken link removed**
check these, especially the first one will help a lot.
The symbol
error probability in each of two arms is
2(M-1)/M Q(sqrt[(2E_b/N_0)(3 log_2 M/(M^2-1))]
where M=sqrt(16)=4 here. If you were after bit error probability in
each arm Gray coding of bits onto the 4 levels would leave you with
about 1 bit error per symbol error, so to get P_b you...
Are you trying to simulate bit error probability for each case? Or only basics? Or something else?
BPSK uses two points and QPSK uses 4 points each phase shifted.
Try wikipedia for starters :)
Phase-shift keying - Wikipedia, the free encyclopedia
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