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    文件類型: .rar
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    發布日期: 2024-01-07
  • 語言: Matlab
  • 標簽: Matlab??WSN??定位??

資源簡介

本文對無線傳感器網絡中不同的定位算法對定位誤差的影響進行了研究比較。采用的定位算法有:基于測距的RSSI-MLE,RSSI-BP,RSSI-RBF和距離無關的HOP-BP,HOP-RBF,VN-BP,VN-RBF七種定位算法。在相同的仿真條件下,利用Matlab對這七種定位算法進行仿真研究。

資源截圖

代碼片段和文件信息

%%?basic?information
clear;clc;
l=100;
r=20;

ann=200;
anp=rand(2ann).*l;

bnn=10;
bnp=anp(:1:bnn);

testn=10;
testnp=anp(:(bnn+1):(bnn+testn));

unn=ann-bnn;
unp=anp(:(bnn+1):ann);

all_hop_table=zeros(ann);
all_dis_table=zeros(ann);

plot(anp(11:bnn)anp(21:bnn)‘ro‘anp(1(bnn+1):ann)anp(2(bnn+1):ann)‘b*‘);

%%?all?hop&distance?table
for?ii=1:ann
????for?jj=1:ann
????????if?ii~=jj
??????????all_dis_table(iijj)=norm(anp(:ii)-anp(:jj)2);
????????????if?all_dis_table(iijj)<=r
????????????????all_hop_table(iijj)=1;
????????????????all_hop_table(jjii)=1;???????????????
????????????end
????????end
????end
end

for?ii=1:ann
????for?jj=1:ann
????????if?ii~=jj
????????????if?all_hop_table(iijj)~=0?
????????????????for?kk=1:ann
????????????????????if?kk~=ii
??????????????????????if?all_hop_table(jjkk)~=0
??????????????????????????if?all_hop_table(iikk)==0
??????????????????????????all_hop_table(iikk)=all_hop_table(jjkk)+all_hop_table(iijj);
??????????????????????????all_hop_table(kkii)=all_hop_table(iikk);
??????????????????????????end
??????????????????????????
??????????????????????????if?all_hop_table(iikk)~=0
????????????????????????????if?all_hop_table(iikk)>all_hop_table(jjkk)+all_hop_table(iijj)
?????????????????????????????all_hop_table(iikk)=all_hop_table(jjkk)+all_hop_table(iijj);
?????????????????????????????all_hop_table(kkii)=all_hop_table(iikk);
????????????????????????????end
?????????????????????????end
?????????????????????end
??????????????????end
??????????????end
??????????end
??????end
end
end

%%?save?the?data
gall_hop_table=all_hop_table/10;

bhop_table=gall_hop_table(1:bnn1:bnn);
thop_table=gall_hop_table(1:bnn(bnn+1):(bnn+testn));
uhop_table=gall_hop_table(1:bnn(bnn+1):ann);

save?allrelation_1;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????1846??2010-05-12?15:52??vn-bp\allrelation_1.m

?????文件?????352569??2010-05-12?15:52??vn-bp\allrelation_1.mat

?????文件????????889??2010-05-12?15:57??vn-bp\mylocalnet1.m

?????文件??????16663??2010-05-12?15:58??vn-bp\mylocalnet1.mat

?????文件????????877??2010-05-12?21:07??vn-bp\mylocalnet2.asv

?????文件????????877??2010-05-12?21:10??vn-bp\mylocalnet2.m

?????文件??????33779??2010-05-12?20:59??vn-bp\mylocalnet2.mat

?????文件????????369??2010-05-12?16:05??vn-bp\net1_out.asv

?????文件????????405??2010-05-12?17:44??vn-bp\net1_out.m

?????文件????????406??2010-05-12?21:08??vn-bp\net2_out.m

?????文件???????2748??2010-05-12?17:52??vn-bp\newnodes.m

?????文件???????1757??2010-05-12?19:14??vn-bp\new_allrelation.m

?????文件??????53187??2010-05-12?19:14??vn-bp\new_allrelation.mat

?????文件???????3178??2010-05-12?17:52??vn-bp\new_anp.mat

?????文件????????178??2010-05-12?17:52??vn-bp\new_bnn.mat

?????文件????????425??2010-05-12?17:52??vn-bp\new_bnp.mat

?????文件????????178??2010-05-12?17:52??vn-bp\new_unn.mat

?????文件???????2948??2010-05-12?17:52??vn-bp\new_unp.mat

?????文件???????2343??2010-05-12?17:51??vn-bp\x1_out.mat

?????目錄??????????0??2010-10-01?21:02??vn-bp

-----------?---------??----------?-----??----

???????????????475622????????????????????20


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