%Abandoned test case for convolve %============================= % Sub Model %----------------------------- global shotNoisePresented shotNoisePresented=1; global ambientLightPresented ambientLightPresented=0; %============================= %============================= % Default parameters %----------------------------- global ceilingHeight global Amax global L global Rb global SNR ceilingHeight=3.5; %Height of the room. Amax=3; %Number of non-zero amplitude levels. L=2; %Maximum number of chips in symbol Rb=200000000; SNR=7; %Signal To Noise Ratio, db global OOK_threshold; %In units of minumum non-zero chip. OOK_threshold=0.5; %============================= %============================= %Derivative parameters: global a; %ISI length parameter in chips. Parameter of h-function. global SN; %SNR not in dB form: global T; %Chip length, seconds. global avLength; %Average number of chips in symbol. global aphabetCount; %Number of symbols in alphabet global M; %Bits per symbol global bitsPerChip; global scaled_chip_length; %T/a global tapsNumber; %"Memory" of multipath channel. global beta; %Discretized h., Array global lambda; %(min non-zero Intensity)/average Intensity: %============================= %============================= % Spawn parameters %---------------------------- a=2.0*ceilingHeight/300000000.0; i=L; avLength=L; aphabetCount=Amax+1; while(--i>0) aphabetCount*=Amax+1; end M=log(aphabetCount)/log(2.0); lambda=2.0/Amax; %Part II: bitsPerChip=M/avLength; T=bitsPerChip/Rb; scaled_chip_length=T/a; tapsNumber= (floor((a/T*1.25))) + 1; %Convert SN from dB to numbers: SN=exp( SNR/10.0*log(10.0) ); %============================= global beta=[1:tapsNumber]; %Create beta: for k=1:tapsNumber beta(k)=betaPortion(k-1, scaled_chip_length); end beta %This simply prings arrya beta (to console?) q=[1:tapsNumber]; %plot(q,beta,'r'); %legend("beta"); %hold on %transmitted pulses: b=[0.0,0.0,0.0,1.0,0.0,1.0]; b %q=[1:size(b,2)]; %plot(q,b,'b'); %legend("b"); %hold on %received pulses: S=[0.0,0.0,0.0,0.0,0.0,0.0]; S=convolve(1,b,S); S %q=[1:size(S,2)]; %plot(q,S,'m'); %legend("S"); Copyright (C) 2009 Konstantin Kirillov