Code covered by the BSD License
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ITUP1546(varargin)
ITUP1546 M-file for ITUP1546.fig
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D06(f,h1,h2)
17 An approximation to the 0.6 Fresnel clearance path length
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Emax(d,t,path)
2 Maximum field-strength values
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FindDNominals(d)
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P1546FieldStr(d,f,t,heff,vara...
P1546FieldStr ITU 1546-3 Field strength calculator
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P1546FieldStrbeta(d,f,t,heff,...
P1546FieldStr ITU 1546-3 Field strength calculator
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Qi(x)
15 An approximation to the inverse complementary cumulative normal distribution
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Step_12(f,tca)
Step 12: If information on the terrain clearance angle at a
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Step_13(d,f,t,eff,eff1)
Step 13: Calculate the estimated field strength due to tropospheric
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Step_14(h2,f,path,varargin)
Step 14: Correct the field strength for receiving/mobile antenna height
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Step_15(d,h1,ha,f,env)
Step 15: If applicable, reduce the field strength by adding the
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Step_16()
Step 16: If the field strength at a receiving/mobile antenna adjacent to
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Step_17(E,Efs,Ese,ds,dtotal)
Step 17: If necessary, limit the resulting field strength to the maximum
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Step_18(fs,f)
Step 18: If required, convert field strength to equivalent basic transmission loss for the path using
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V(Kv,h1)
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d =FS_find_dnew(FS,f,heff,T,p...
FS_FIND_D ITU 1546 Field strength calculator: Find d for known Fieldstrength
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find_d(FS,f,heff,T,path,h2)
Peverted code the code find the closest value d value that equates the
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h1Calc(d,heff,ha,hb,path)
3 Determination of transmitting/base antenna height, h1
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h2corr(h2,f,varargin)
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searchclosest(x,v)
The following code tidbit is by Dr. Murtaza Khan, modified to return
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step6_10(figure,h1,dinf,dsup,...
function E = step6_10(figure,h1,dinf,dsup,d,path,f,Emaxvalue,t)
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step7_normal(figureStep6,h1,d...
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step81(tabulatedValues,h1,din...
Step 8: Obtain the field strength exceeded at 50% locations for a
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step814_815(tabulatedValues,h...
Step 8.1.4: Obtain the field strength exceeded at 50% locations
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step82(tabulatedValues,h1,din...
Step 8.2: For a transmitting/base antenna height h1 less than 10 m
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P1546validation.m
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Test_D06.m
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Test_Emax.m
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Test_FindDNominals.m
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Test_P1546FieldStr.m
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Test_Qi.m
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Test_V.m
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Test_h1Calc.m
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Test_searchclosest.m
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Test_step6_10.m
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Test_step7_normal.m
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Test_step81.m
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Test_step814_815.m
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Test_step82.m
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View all files
from
ITU-R p.1546 calculator
by Jef Statham
This an implementation of the ITU-R p.1546 model. Mixed land a sea paths not implemented.
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| Test_Qi.m |
% Test function out = Qi(x)
%test init
x = 1:1:100;
%test 1 begin
for i=1:100
x(i) = round(Qi(i/100)*1000)/1000;
end
%test 1 end
% q% Qi(q/100)q% Qi(q/100)q%Qi(q/100)q% Qi(q/100)
% 1 2.327 26 0.643 51 0.025 76 0.706
% 2 2.054 27 0.612 52 0.050 77 0.739
% 3 1.881 28 0.582 53 0.075 78 0.772
% 4 1.751 29 0.553 54 0.100 79 0.806
% 5 1.645 30 0.524 55 0.125 80 0.841
% 6 1.555 31 0.495 56 0.151 81 0.878
% 7 1.476 32 0.467 57 0.176 82 0.915
% 8 1.405 33 0.439 58 0.202 83 0.954
% 9 1.341 34 0.412 59 0.227 84 0.994
% 10 1.282 35 0.385 60 0.253 85 1.036
% 11 1.227 36 0.358 61 0.279 86 1.080
% 12 1.175 37 0.331 62 0.305 87 1.126
% 13 1.126 38 0.305 63 0.331 88 1.175
% 14 1.080 39 0.279 64 0.358 89 1.227
% 15 1.036 40 0.253 65 0.385 90 1.282
% 16 0.994 41 0.227 66 0.412 91 1.341
% 17 0.954 42 0.202 67 0.439 92 1.405
% 18 0.915 43 0.176 68 0.467 93 1.476
% 19 0.878 44 0.151 69 0.495 94 1.555
% 20 0.841 45 0.125 70 0.524 95 1.645
% 21 0.806 46 0.100 71 0.553 96 1.751
% 22 0.772 47 0.075 72 0.582 97 1.881
% 23 0.739 48 0.050 73 0.612 98 2.054
% 24 0.706 49 0.025 74 0.643 99 2.327
% 25 0.674 50 0.000 75 0.674
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