%?This?program?is?used?to?generate?Fig.?1.17?
%?It?implements?the?search?radar?equation?defined?in?Eq.?1.67
clear?all
close?all
snr?=?15.0;??????????%?Sensitivity?SNR?in?dB
tsc?=?2.;????????????%?Antenna?scan?time?in?seconds
sigma_tgtm?=?-10;????%?Missile?RCS?in?dBsm
sigma_tgta?=?6;??????%?Aircraft?RCS?in?dBsm
range?=?60.0;???????%?Sensitivity?range?in?Km?
te?=?290.0;?????????%?Effective?noise?temprature?in?Kelvins
nf?=?8;?????????????%?Noise?figure?in?dB
loss?=?10.0;?????????%?Radar?losses?in?dB
az_angle?=?360.0;???%?Search?volume?azimuth?extent?in?degrees
el_angle?=?10.0;????%?Search?volume?elevation?extent?in?degrees
c?=?3.0e+8;?????????%?Speed?of?light
%?Compute?Omega?in?steradians
omega?=?（az_angle?/?57.296）?*?（el_angle?/57.296）;
omega_db?=?10.0*log10（omega）;?%?Convert?Omega?to?dBs
k_db?=?10.*log10（1.38e-23）;
te_db?=?10*log10（te）;
tsc_db?=?10*log10（tsc）;
factor?=?10*log10（4*pi）;
rangemdb?=?10*log10（range?*?1000.）;
rangeadb?=?10*log10（range?*?1000.）;
PAP_Missile?=?snr?-?sigma_tgtm?-?tsc_db?+?factor?+?4.0?*?rangemdb?+?...
???k_db?+?te_db?+?nf?+?loss?+?omega_db
PAP_Aircraft?=?snr?-?sigma_tgta?-?tsc_db?+?factor?+?4.0?*?rangeadb?+?...
???k_db?+?te_db?+?nf?+?loss?+?omega_db
index?=?0;
%?vary?rnage?from?2Km?to?90?Km?
for?rangevar?=?2?:?1?:?90
???index?=?index?+?1;
???rangedb?=?10*log10（rangevar?*?1000.0）;
???papm（index）?=?snr?-?sigma_tgtm?-?tsc_db?+?factor?+?4.0?*?rangedb?+?...
??????k_db?+?te_db?+?nf?+?loss?+?omega_db;
??missile_PAP（index）?=?PAP_Missile;
??aircraft_PAP（index）?=?PAP_Aircraft;
???papa（index）?=?snr?-?sigma_tgta?-?tsc_db?+?factor?+?4.0?*?rangedb?+?...
??????k_db?+?te_db?+?nf?+?loss?+omega_db;
end
var?=?2?:?1?:?90;
figure?（1）
plot?（varpapm‘k‘varpapa‘k-.‘）
legend?（‘Missile‘‘Aircraft‘）
xlabel?（‘Range?-?Km‘）;
ylabel?（‘Power?Aperture?Product?-?dB‘）;
hold?on
plot（varmissile_PAP‘k:‘varaircraft_PAP‘k:‘）
grid
hold?off

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2003-07-27?19:38??MATLAB?Code\Chap1\
?????文件????????1913??2003-06-25?08:28??MATLAB?Code\Chap1\casestudy1_1.m
?????文件????????2237??2003-05-03?16:25??MATLAB?Code\Chap1\fig1_12.m
?????文件????????1318??2003-06-25?08:33??MATLAB?Code\Chap1\fig1_13.m
?????文件????????1770??2003-06-25?08:24??MATLAB?Code\Chap1\fig1_16.m
?????文件????????1700??2003-01-03?10:49??MATLAB?Code\Chap1\fig1_19.m
?????文件?????????406??2003-01-03?16:26??MATLAB?Code\Chap1\fig1_21.m
?????文件?????????258??2003-07-03?14:15??MATLAB?Code\Chap1\fig1_23.m
?????文件????????1507??2003-06-12?13:47??MATLAB?Code\Chap1\fig1_27.m
?????文件????????1080??2003-01-22?21:42??MATLAB?Code\Chap1\fig1_28.m
?????文件?????????861??2003-01-20?22:23??MATLAB?Code\Chap1\myradarvisit1_1.m
?????文件?????????675??2003-01-21?22:56??MATLAB?Code\Chap1\power_aperture.m
?????文件?????????663??2003-07-03?14:15??MATLAB?Code\Chap1\pulse_integration.m
?????文件?????????777??2003-01-04?20:20??MATLAB?Code\Chap1\radar_eq.m
?????目錄???????????0??2003-07-27?19:43??MATLAB?Code\chap10\
?????文件?????????695??2003-07-10?16:18??MATLAB?Code\chap10\burn_thru.m
?????文件?????????535??2003-06-27?14:33??MATLAB?Code\chap10\fig10_8.m
?????文件????????1581??2003-07-10?16:18??MATLAB?Code\chap10\range_red_factor.m
?????文件??????????78??2003-06-08?13:24??MATLAB?Code\chap10\range_red_factor_bat.m
?????文件?????????419??2003-06-08?13:50??MATLAB?Code\chap10\range_red_factori.m
?????文件?????????654??2003-07-10?16:17??MATLAB?Code\chap10\sir.m
?????文件????????1308??2003-06-07?17:47??MATLAB?Code\chap10\soj_req.m
?????文件??????????98??2003-06-07?17:44??MATLAB?Code\chap10\soj_req_bat.m
?????文件?????????653??2003-07-10?16:16??MATLAB?Code\chap10\soj_reqi.m
?????文件????????1870??2003-07-10?16:17??MATLAB?Code\chap10\ssj_req.m
?????文件?????????597??2003-07-10?14:11??MATLAB?Code\chap10\ssj_req_bat.m
?????文件?????????613??2003-07-10?14:05??MATLAB?Code\chap10\ssj_reqi.m
?????目錄???????????0??2003-07-27?19:44??MATLAB?Code\chap11\
?????文件???????66800??2003-07-24?23:42??MATLAB?Code\chap11\Capped_Wedge_GUI.fig
?????文件???????39855??2003-07-24?23:45??MATLAB?Code\chap11\Capped_Wedge_GUI.m
?????文件????????8511??2003-07-25?01:20??MATLAB?Code\chap11\Capped_WedgeTM.m
............此處省略179個文件信息