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
ITU-R p.1546 calculator
by Jef Statham
21 Aug 2009
(Updated 27 Aug 2009)
This an implementation of the ITU-R p.1546 model. Mixed land a sea paths not implemented.
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Watch this File
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| File Information |
| Description |
This implementation is finished open with ITUP1546 to view gui interface.
Read the ITU P.1546 propagation document to understand how to measure you input values. This was created from ITU p.1456-3
Minor issues corrected
-warm sea paths are now selected
-step 15 implemented with environment set values instead of any R value
-values are selected from a preloaded entry rather than the excel. lowers precision but increases run time drastically.
-updated fs_find_dnew to find_d to implement a binary search instead of a linear one. |
| MATLAB release |
MATLAB 7.4 (R2007a)
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| Updates |
| 27 Aug 2009 |
Added a graphical interface
type ITUP1546
correct minor issues |
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Contact us at files@mathworks.com
