%?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
-----------?---------??----------?-----??----

?????文件?????236278??2002-12-27?18:35??Plots?&?Figures\CHAP1\fig1.12a.bmp

?????文件?????236278??2002-12-27?18:34??Plots?&?Figures\CHAP1\fig1.12b.bmp

?????文件?????236278??2002-12-30?10:51??Plots?&?Figures\CHAP1\fig1.13.bmp

?????文件?????236278??2002-12-31?18:08??Plots?&?Figures\CHAP1\fig1.16a.bmp

?????文件?????236278??2003-06-25?08:24??Plots?&?Figures\CHAP1\fig1.16b.bmp

?????文件?????236278??2003-05-21?19:36??Plots?&?Figures\CHAP1\fig1.17.bmp

?????文件?????236278??2003-01-03?11:31??Plots?&?Figures\CHAP1\fig1.19.bmp

?????文件?????236278??2003-06-12?13:55??Plots?&?Figures\CHAP1\fig1.27.bmp

?????文件?????236278??2003-01-03?16:05??Plots?&?Figures\CHAP1\fig1_20.bmp

?????文件?????236278??2003-01-03?16:28??Plots?&?Figures\CHAP1\fig1_21.bmp

?????文件?????236278??2003-01-03?16:29??Plots?&?Figures\CHAP1\fig1_22.bmp

?????文件?????236278??2003-07-03?14:10??Plots?&?Figures\CHAP1\fig1_23.bmp

?????文件?????236278??2003-01-03?18:05??Plots?&?Figures\CHAP1\fig1_26.bmp

?????文件?????236278??2003-07-10?15:53??Plots?&?Figures\CHAP10\fig10_1a.bmp

?????文件?????236278??2003-06-07?13:29??Plots?&?Figures\CHAP10\fig10_1b.bmp

?????文件?????236278??2003-07-10?15:57??Plots?&?Figures\CHAP10\fig10_2.bmp

?????文件?????236278??2003-07-10?16:14??Plots?&?Figures\CHAP10\fig10_3.bmp

?????文件?????236278??2003-06-07?17:49??Plots?&?Figures\CHAP10\fig10_4.bmp

?????文件?????236278??2003-06-08?13:26??Plots?&?Figures\CHAP10\fig10_5.bmp

?????文件?????236278??2003-06-08?13:27??Plots?&?Figures\CHAP10\fig10_6.bmp

?????文件?????236278??2003-06-08?13:28??Plots?&?Figures\CHAP10\fig10_7.bmp

?????文件?????236278??2003-06-27?17:45??Plots?&?Figures\CHAP10\fig10_8.bmp

?????文件????1081078??2003-06-25?12:22??Plots?&?Figures\CHAP10\Fig4.bmp

?????文件????1081078??2003-06-25?12:22??Plots?&?Figures\CHAP10\Fig5.bmp

?????文件????1081078??2003-06-25?12:22??Plots?&?Figures\CHAP10\Fig6.bmp

?????文件?????236278??2003-07-09?09:48??Plots?&?Figures\CHAP11\fig11_11.bmp

?????文件?????236278??2003-07-09?09:49??Plots?&?Figures\CHAP11\fig11_12.bmp

?????文件?????236278??2003-07-09?09:49??Plots?&?Figures\CHAP11\fig11_13.bmp

?????文件?????236278??2003-07-09?09:51??Plots?&?Figures\CHAP11\fig11_14.bmp

?????文件?????236278??2003-07-16?14:35??Plots?&?Figures\CHAP11\fig11_18a.bmp

............此處省略455個文件信息